{"id":6664,"job_id":13314,"problem_id":6,"lane_id":null,"type":"explore","user_id":1,"model":"gpt-6.1-sol","provider":"openai","report_md":"Bounded applicability screening of accepted return #4086; job #13314.\n\nThis is an administrative relevance judgment. Operational calibration: heuristic; the reused source remains accepted at measured. No new scientific acceptance, method claim, witness, review request, route change or document integration is made. The source and this screen share the contributor handle; the current screen reuses the recorded evidence and does not claim new execution independence.\n\nThe served report's UTF-8 SHA-256 is `bdddb55fbd6cbd426d2d486c1ada8f39eb9cc9327e48acbb543f9d5875817cfd`, exactly the issued report pin. It is currently trusted-accepted, non-provisional, measured, with no supersession and no typed scopes. Both current trusted accepting reviews (#1493 and #2380) were read in full. The served manifest's 22 artifact hash references match the 22 issued artifact references; their underlying bytes were not downloaded or rechecked in this screen. The bounded live applicability index was read but did not include #4086, so its omission is not evidence of ineligibility or a prior screen. The issued brief says no prior screening.\n\n| Issued target | Decision | Limit |\n|---|---|---|\n| self-match | inapplicable | Pair-equality calibration supplies no ASCII32 input/digest equality bridge. |\n| all-zeros | inapplicable | Pair-equality calibration supplies no absolute-zero yield bridge. |\n| smallest-collision | applicable, provisional | Relevant to the existing sampled dBB d3/d4 cost model only; no typed scopes or automatic transfer. |\n\nThe complete target-specific evidence and assumptions are in applicability_assessment.entries. All three scope_keys lists are intentionally empty. Missing scope authority remains an unresolved validation condition; it does not prevent this bounded relevance consideration and does not authorize a new scientific task.\n\nReuse and limitations: [review #1493](https://solveathome.org/projects/md5/review/1493) and [review #2380](https://solveathome.org/projects/md5/review/2380) narrow the source's exactness rhetoric to finite sampled observations. Preserve their corrections: no universal independence, necessity/completeness, message/length invariance or d2 extrapolation; no speedup or record; historical M1 timing is machine-specific with incomplete total work accounting. The largest pooled chi-square contribution is depth 4, not depth 8; #4015's A380 run differs from released M1 job 8151. The source's historical 136-byte record statement is superseded by the issued summary's 124 bytes. Neither the title nor the topic summary's compressed 'anywords' phrasing overrides these review limits.\n\nThe source credits dBB 1993 and returns #3504, #4000/#4015 for the existing trail, heuristic factor and earlier yields, with #3967 in implementation provenance and released job 8151 as a prior sample. These dependencies are retained as source-reported lineage, not independently inspected originals in this screen. The 5,952-record prior histogram is not newly audited. Earlier local summaries were consulted as historical context; the current served report and reviews govern this matrix.\n\nActual scientific execution for this assignment: 0 compute calls, 0 scientific CPU seconds, 0 MD5 evaluations, 0 candidates and 0 scientific execution failures; no seeds or scientific inputs were used. Local JSON parsing and SHA-256 of report text only checked administrative identity. Initial source retrieval failed under sandbox DNS; the identical controller GET succeeded with authorized network access. No scientific execution was attempted. No new scientific artifacts are submitted.\n\nReconsider only after a material source correction, changed target contract or changed exact scope authority. The present unresolved validation does not reopen research, retire other obligations or integrate OUTCOMES.\n\nSources actually consulted: [return #4086](https://solveathome.org/projects/md5/return/4086), complete report, recipe, manifest metadata, decision, research_authority and both full reviews; [review #1493](https://solveathome.org/projects/md5/review/1493) and [review #2380](https://solveathome.org/projects/md5/review/2380); [shared-research protocol](https://solveathome.org/projects/md5/research-protocol?section=shared-research), Cross-area applicability; [bounded live applicability index](https://solveathome.org/projects/md5/research-applicability); issued topic summaries [self-match v52](https://solveathome.org/projects/md5/state/self-match), [all-zeros v38](https://solveathome.org/projects/md5/state/all-zeros), [smallest-collision v59](https://solveathome.org/projects/md5/state/smallest-collision), especially the dBB/#4086 entry, used as the assignment's cached snapshots; historical local summaries self-match v10, all-zeros v8 and collision-padding v8 (local-only). No original paper or contributor program was executed or newly scientifically validated.\n","patch":null,"cpu_hours":0,"hashes":{},"author_rung":"heuristic","status":"recorded","final_rung":"recorded","created_at":"2026-10-30T10:30:57.445Z","repo_url":null,"commit":null,"cites":{"files":[],"handles":[],"returns":[4086],"messages":[]},"tokens":{"log":"summary","input":99271,"models":{"gpt-6.1-sol":9500},"output":9500,"source":"reported","entries":0,"cache_read":981376,"cache_write":0,"observed_models":[]},"paper_slug":null,"revision_path":null,"revision_sha":null,"recipe_md":null,"verification":null,"target":null,"finding":null,"human_md":null,"provisional":false,"effects_applied_at":null,"effort":"high","also_fix":null,"transcript_omitted":null,"patch_hash":null,"superseded_by":null,"duplicate_of":null,"transcript_resubmitted_at":"2026-10-30T10:31:02.059Z","file_notes":null,"research":null,"research_route_id":null,"verification_plan":null,"verification_fingerprint":null,"review_admitted_at":null,"department_id":"dept_881be467b0112d2f39dc8f0b","run_id":"run_bab9b8f666dc648c9778e41e","triage_lead":null,"revision_base_sha":null,"integration":null,"resolves":null,"paper_exposition":null,"research_evidence":null,"transcript_mode":"summary","known_work":null,"work_disposition":null,"applicability_assessment":{"schema":"research-applicability-v1","entries":[{"decision":"inapplicable","target_id":"self-match","scope_keys":[],"evidence_md":"[Source #4086](https://solveathome.org/projects/md5/return/4086), Hypothesis and Arms A-C, studies equal-output dBB collision tails on paired chaining states and a binary d3/d4 padded-message family. [review #1493](https://solveathome.org/projects/md5/review/1493) and [review #2380](https://solveathome.org/projects/md5/review/2380) restrict acceptance to the sampled configurations and historical observations. The self-match target hashes exactly 32 lowercase hexadecimal ASCII bytes and compares the digest prefix to those same input characters. The source supplies neither such a candidate family nor a digest-to-input equality mechanism or self-match yield measurement. Its pair-equality calibration does not answer this absolute input-dependent target. This is a mismatch of the accepted contribution, not an impossibility claim about other collision-derived methods.","assumptions_md":"Keep full 64-step standard-IV MD5, legal padding and the exact ASCII32 domain. Do not treat an arbitrary step-32 state as a reachable ASCII32 message or a pair collision as a fixed point. No new construction is evaluated. The source has no typed scope; scope_keys=[] conveys no validated transfer authority.","transfer_eligible":false,"provisional_relevance":true},{"decision":"inapplicable","target_id":"all-zeros","scope_keys":[],"evidence_md":"[Source #4086](https://solveathome.org/projects/md5/return/4086), Hypothesis and Results, calibrates conditional equality of two outputs, not their common absolute digest. Its binary message family is compatible with the target byte alphabet and size limit, but that compatibility alone supplies no zero-prefix advantage. Neither the 261,776/2^34 d3 tail hits nor 65,876/2^32 d4 tail hits are zero-digest successes. [review #1493](https://solveathome.org/projects/md5/review/1493) and [review #2380](https://solveathome.org/projects/md5/review/2380) endorse no absolute-zero yield, output-distribution advantage or faster preimage method. The null collision search likewise supplies no all-zero candidate. Thus the accepted contribution has no established bridge to the issued zero-prefix objective; this does not close redesigned multiblock or differential approaches.","assumptions_md":"The target is any actual byte message of 0-1024 bytes, full standard-IV MD5 and exact encoded-length padding; arbitrary-IV and internal-state samples are not target witnesses. Collision equality must not be relabelled as a leading-zero event. Absolute-target construction, distinct-output yield and complete matched cost evidence are absent. No such extension is endorsed or commissioned; scope_keys=[] grants no transfer.","transfer_eligible":false,"provisional_relevance":true},{"decision":"applicable","target_id":"smallest-collision","scope_keys":[],"evidence_md":"Provisional relevance only. [Source #4086](https://solveathome.org/projects/md5/return/4086), Arms A-C and Not new / prior work, supplies measured calibration for the existing dBB d3/d4 collision-search cost model. [review #1493](https://solveathome.org/projects/md5/review/1493) and [review #2380](https://solveathome.org/projects/md5/review/2380) retain d3 261,776 hits in 17,179,869,184 sampled step-32 trials and d4 65,876 in 4,294,967,296, with zero recorded round-3 failures and zero off-diagonal trail/pair outcomes in those samples. Review #1493 reports historical replay and an independent 4,080-hit/2^28 simulator sample; these are reused attestations, not fresh execution here. Arm C records 961,727 IHVs, 491,995,416 legal candidates, 14,979 step-32 records and zero pairs. These observations bear directly on pricing that existing full-collision family within the target length limit. They do not find a pair, shorten the current 124-byte record, establish a method gain, or settle any entire study topic.","assumptions_md":"Condition on the stated same-message/all-MSB dBB trail and sampled d3/d4 configurations: the report specifies d3 m0=0x80000000|b, m14=536, and d4 m1=0x80, m14=544. Synthetic Arm A states are conditional tail samples; reachable standard-IV search evidence is separately Arm C. Preserve the full-round, feedforward and legal-padding checks for any actual pair. Near-2^-16 is finite calibration, not exact independent-fair-bit probability, universal filter completeness, arbitrary-word/length invariance or a d2 estimate. Expected 4.21 million IHVs, 17.5 M1 hours and 9.4 A380 hours remain conditional projections, not guaranteed or fully costed gains. Within-IHV clustering, selected-generator and transfer uncertainty remain. Typed scope authority is unresolved: the accepted source and issued check both have zero scopes. Empty scope_keys is allowed solely for this consideration; this applicable relevance judgment cannot authorize automatic transfer. No new scientific review or experiment is requested.","transfer_eligible":false,"provisional_relevance":true}],"targets":[{"id":"self-match","lane":"self-match","title":"Self match: a 32-character hex string equal to its own MD5","domain_md":"The candidate is exactly 32 lowercase ASCII characters from `0123456789abcdef`, in any order, repeats allowed. Its **32 literal ASCII bytes** are hashed; it is not decoded as hex. The score is the length of the common prefix of the candidate and its digest, 0 to 32, stopping at the first mismatch: later matches do not count. The final goal is a candidate equal to its own digest (a fixed point). None is known, and none is proven to exist: a random-map heuristic gives roughly a 63% chance that one exists.\n\nSubmit `candidate`. Fixture: `54db1011d76dc70a0a9df3ff3e0b390f` has digest `54db1011d76d137956603122ad86d762`, score 12. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\nThe candidate is exactly 32 lowercase ASCII characters from `0123456789abcdef`, in any order, repeats allowed. Its **32 literal ASCII bytes** are hashed; it is not decoded as hex. The score is the length of the common prefix of the candidate and its digest, 0 to 32, stopping at the first mismatch: later matches do not count. The final goal is a candidate equal to its own digest (a fixed point). None is known, and none is proven to exist: a random-map heuristic gives roughly a 63% chance that one exists.\n\nSubmit `candidate`. Fixture: `54db1011d76dc70a0a9df3ff3e0b390f` has digest `54db1011d76d137956603122ad86d762`, score 12. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.","topic_ids":["self-match.methods","self-match.study-1","self-match.study-2","self-match.study-3"]},{"id":"all-zeros","lane":"all-zeros","title":"All zeros: an input of at most 1 KiB whose MD5 is 32 zeros","domain_md":"The input is any byte string of 0 to 1,024 bytes, inclusive, sent as `input_hex`: strict lowercase, even-length hex, decoded once (`616263` is the three bytes `abc`; the empty string is zero bytes). Arbitrary binary is allowed. The score is the number of zero hex characters at the start of the digest, 0 to 32, stopping at the first nonzero character. The final goal is the digest `00000000000000000000000000000000`. No such input is known.\n\nSubmit `input_hex`. Fixture: the 32 ASCII bytes `b100d474eb100d60d042e863c1e0adee` (hex `6231303064343734656231303064363064303432653836336331653061646565`) have digest `00000000000008d71ef80eb3849237d2`, score 13. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\nThe input is any byte string of 0 to 1,024 bytes, inclusive, sent as `input_hex`: strict lowercase, even-length hex, decoded once (`616263` is the three bytes `abc`; the empty string is zero bytes). Arbitrary binary is allowed. The score is the number of zero hex characters at the start of the digest, 0 to 32, stopping at the first nonzero character. The final goal is the digest `00000000000000000000000000000000`. No such input is known.\n\nSubmit `input_hex`. Fixture: the 32 ASCII bytes `b100d474eb100d60d042e863c1e0adee` (hex `6231303064343734656231303064363064303432653836336331653061646565`) have digest `00000000000008d71ef80eb3849237d2`, score 13. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.","topic_ids":["all-zeros.methods","all-zeros.study-1","all-zeros.study-2","all-zeros.study-3"]},{"id":"smallest-collision","lane":"smallest-collision","title":"Smallest collision: two different inputs with the same full MD5, fewest total bytes","domain_md":"Inputs `a_hex` and `b_hex` are arbitrary byte strings of 0 to 1,024 bytes each, with the same strict hex transport as All zeros. They must differ, and **all 128 digest bits** must match: there is no partial score. The pair is unordered (swapping is a duplicate), unequal lengths and an empty member are allowed. Lower total bytes is better; an equal total is a tie and the earlier receipt keeps the record. The 128-byte reference is not a proven minimum: by counting, some pair with both members at most 16 bytes must collide, but that argument finds no pair.\n\nSubmit `a_hex` and `b_hex`. Fixture: Marc Stevens' 64-byte single-block pair, digest `008ee33a9d58b51cfeb425b0959121c9`, 64 + 64 = 128 bytes. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\nInputs `a_hex` and `b_hex` are arbitrary byte strings of 0 to 1,024 bytes each, with the same strict hex transport as All zeros. They must differ, and **all 128 digest bits** must match: there is no partial score. The pair is unordered (swapping is a duplicate), unequal lengths and an empty member are allowed. Lower total bytes is better; an equal total is a tie and the earlier receipt keeps the record. The 128-byte reference is not a proven minimum: by counting, some pair with both members at most 16 bytes must collide, but that argument finds no pair.\n\nSubmit `a_hex` and `b_hex`. Fixture: Marc Stevens' 64-byte single-block pair, digest `008ee33a9d58b51cfeb425b0959121c9`, 64 + 64 = 128 bytes. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.","topic_ids":["smallest-collision.methods","smallest-collision.study-1","smallest-collision.study-2","smallest-collision.study-3"]}],"reviewer":{"model":"gpt-6.1-sol","effort":"high","handle":"Benjaminsen","trusted":true,"user_id":1,"authority_basis":"project_grant","same_contributor":true},"effective":true,"check_job_id":13314,"input_sha256":"2cdbb5693183e193fcbd30196d40d17ea3612ee92919c117eeaa34765a92e4ee","source_snapshot":{"version":"research-applicability-v1","scope_hashes":[],"report_sha256":"bdddb55fbd6cbd426d2d486c1ada8f39eb9cc9327e48acbb543f9d5875817cfd","targets_sha256":"b975e91f005e279621dcdaafa92a1369a7129de37d0a225f6a815f014a3b9209","source_return_id":4086,"material_evidence":{"sha256":"469e1676c62b32ba1f9952d2d1078d9a9eae62f8f071b56b2c5f92ef4dcbca2b","entries":{"return:4086":"bb811bead6d4de38cca0eb30316cdbc3c34ba8c0a2ece89b0fd1ca21ee4b02e8","artifact:4086:2524ceaca6d0df70c08c26f3eeefcec6ad2a57020748bd5078d1069ed141fc37":"2524ceaca6d0df70c08c26f3eeefcec6ad2a57020748bd5078d1069ed141fc37","artifact:4086:33a3f2e4fad58b1915ac224a978ef49a10377b49e405cb10267ba0b424f4f90f":"33a3f2e4fad58b1915ac224a978ef49a10377b49e405cb10267ba0b424f4f90f","artifact:4086:37318266a93915434790009e50e2664eefb3bb462f9679c9d7bd35285bf18c63":"37318266a93915434790009e50e2664eefb3bb462f9679c9d7bd35285bf18c63","artifact:4086:3f7f9fbf265aad056fb86ce171b26ec58369d01bb34fcb04e843183663f726dd":"3f7f9fbf265aad056fb86ce171b26ec58369d01bb34fcb04e843183663f726dd","artifact:4086:582c364f71470927da25fe9a4cdfc692f73381ad3a11e4675d9b12eaa1518613":"582c364f71470927da25fe9a4cdfc692f73381ad3a11e4675d9b12eaa1518613","artifact:4086:5b1cb8a7e6560d720098378006c503b407fc97d3486a51f573a63ab2bf0103f2":"5b1cb8a7e6560d720098378006c503b407fc97d3486a51f573a63ab2bf0103f2","artifact:4086:5c29c8937f4fdadd6cb2e753a48f05743f33d3cce6383f592393f825a0f07a76":"5c29c8937f4fdadd6cb2e753a48f05743f33d3cce6383f592393f825a0f07a76","artifact:4086:5e0a9c5ecbfe6f1afde510a7791d55401d78007b63874694ea476327fa95415d":"5e0a9c5ecbfe6f1afde510a7791d55401d78007b63874694ea476327fa95415d","artifact:4086:62d3d87710ce6bc434f0ac4af9a831076567f186a5ae7b2edc97aea7b15fabe9":"62d3d87710ce6bc434f0ac4af9a831076567f186a5ae7b2edc97aea7b15fabe9","artifact:4086:6427c4bd6e9e5eb13688072422c09488745afd8b4f98c08a13456e25607411f2":"6427c4bd6e9e5eb13688072422c09488745afd8b4f98c08a13456e25607411f2","artifact:4086:7836a56cbeb4024c3114bedaba03617433f7c3ea8e4365a1644e8a72de1198ca":"7836a56cbeb4024c3114bedaba03617433f7c3ea8e4365a1644e8a72de1198ca","artifact:4086:7c291c946d78a74b3db4176b3d7fd5ba6a013554aceea00ce90a44b35e07c7f3":"7c291c946d78a74b3db4176b3d7fd5ba6a013554aceea00ce90a44b35e07c7f3","artifact:4086:82ec9084917c55dd631a4c5ae3529f7f62289035d24642e0df3fc5406b9ec6cc":"82ec9084917c55dd631a4c5ae3529f7f62289035d24642e0df3fc5406b9ec6cc","artifact:4086:aa4f090d3160d8cb9135f23fc0c05d4cb6be7a286339c90c7637f319b15d2b29":"aa4f090d3160d8cb9135f23fc0c05d4cb6be7a286339c90c7637f319b15d2b29","artifact:4086:c5cf8449a97b5ec67cf9a92dfe94f06c3e8f80a4a413fb6ac3d5e4ef296451e2":"c5cf8449a97b5ec67cf9a92dfe94f06c3e8f80a4a413fb6ac3d5e4ef296451e2","artifact:4086:c7a6bf2b06c50005a89fb6b55710bffcbda6b6b7a16f023b4dabf3d82e2db0f0":"c7a6bf2b06c50005a89fb6b55710bffcbda6b6b7a16f023b4dabf3d82e2db0f0","artifact:4086:d1823b77ba4d18d370d12757a5f6b1a05a002eac5384052a2265dc2800bdf901":"d1823b77ba4d18d370d12757a5f6b1a05a002eac5384052a2265dc2800bdf901","artifact:4086:d821713196c79c751912684f70590b392a8d92497985a59fc650f83cfb49d97a":"d821713196c79c751912684f70590b392a8d92497985a59fc650f83cfb49d97a","artifact:4086:e00a838ceaf981284cc4f23cfde8f76a3cc69c71962b7e0072c88baa76f13153":"e00a838ceaf981284cc4f23cfde8f76a3cc69c71962b7e0072c88baa76f13153","artifact:4086:ec003c3cd11cbcf85a7ded4775844d9bdc53ae0369878c470706c84d23b2775d":"ec003c3cd11cbcf85a7ded4775844d9bdc53ae0369878c470706c84d23b2775d","artifact:4086:f1dd28cebe5c1f60343a6e101b67b2b9c0546e5f3b0d9e52f2c141d58e7ec19e":"f1dd28cebe5c1f60343a6e101b67b2b9c0546e5f3b0d9e52f2c141d58e7ec19e","artifact:4086:f683188c4721d32259352c1fc963688ce36d45e96e0b85996d0df034c5f1b673":"f683188c4721d32259352c1fc963688ce36d45e96e0b85996d0df034c5f1b673"},"version":"material-evidence-v1"},"consideration_only":true},"source_return_id":4086,"consideration_only":true,"scientific_authority":false,"provisional_relevance":true,"base_assessment_return_id":null},"negative_result":null,"first_indexed_at":null,"index_held_at":null,"index_ok":null,"index_reason":null,"handle":"Benjaminsen","job_brief":"Bounded applicability screening of accepted scientific return #4086: provisional consideration before validated transfer. This is relevance judgment, not another acceptance of the source or endorsement of unvalidated scopes. Do not run experiments, reproduce a computation or re-prove the source. No prior screening. Read the source and its current scope assessments once.\n\nSource snapshot: {\"version\":\"research-applicability-v1\",\"consideration_only\":true,\"source_return_id\":4086,\"report_sha256\":\"bdddb55fbd6cbd426d2d486c1ada8f39eb9cc9327e48acbb543f9d5875817cfd\",\"scope_hashes\":[],\"material_evidence\":{\"version\":\"material-evidence-v1\",\"entries\":{\"return:4086\":\"bb811bead6d4de38cca0eb30316cdbc3c34ba8c0a2ece89b0fd1ca21ee4b02e8\",\"artifact:4086:2524ceaca6d0df70c08c26f3eeefcec6ad2a57020748bd5078d1069ed141fc37\":\"2524ceaca6d0df70c08c26f3eeefcec6ad2a57020748bd5078d1069ed141fc37\",\"artifact:4086:33a3f2e4fad58b1915ac224a978ef49a10377b49e405cb10267ba0b424f4f90f\":\"33a3f2e4fad58b1915ac224a978ef49a10377b49e405cb10267ba0b424f4f90f\",\"artifact:4086:37318266a93915434790009e50e2664eefb3bb462f9679c9d7bd35285bf18c63\":\"37318266a93915434790009e50e2664eefb3bb462f9679c9d7bd35285bf18c63\",\"artifact:4086:3f7f9fbf265aad056fb86ce171b26ec58369d01bb34fcb04e843183663f726dd\":\"3f7f9fbf265aad056fb86ce171b26ec58369d01bb34fcb04e843183663f726dd\",\"artifact:4086:582c364f71470927da25fe9a4cdfc692f73381ad3a11e4675d9b12eaa1518613\":\"582c364f71470927da25fe9a4cdfc692f73381ad3a11e4675d9b12eaa1518613\",\"artifact:4086:5b1cb8a7e6560d720098378006c503b407fc97d3486a51f573a63ab2bf0103f2\":\"5b1cb8a7e6560d720098378006c503b407fc97d3486a51f573a63ab2bf0103f2\",\"artifact:4086:5c29c8937f4fdadd6cb2e753a48f05743f33d3cce6383f592393f825a0f07a76\":\"5c29c8937f4fdadd6cb2e753a48f05743f33d3cce6383f592393f825a0f07a76\",\"artifact:4086:5e0a9c5ecbfe6f1afde510a7791d55401d78007b63874694ea476327fa95415d\":\"5e0a9c5ecbfe6f1afde510a7791d55401d78007b63874694ea476327fa95415d\",\"artifact:4086:62d3d87710ce6bc434f0ac4af9a831076567f186a5ae7b2edc97aea7b15fabe9\":\"62d3d87710ce6bc434f0ac4af9a831076567f186a5ae7b2edc97aea7b15fabe9\",\"artifact:4086:6427c4bd6e9e5eb13688072422c09488745afd8b4f98c08a13456e25607411f2\":\"6427c4bd6e9e5eb13688072422c09488745afd8b4f98c08a13456e25607411f2\",\"artifact:4086:7836a56cbeb4024c3114bedaba03617433f7c3ea8e4365a1644e8a72de1198ca\":\"7836a56cbeb4024c3114bedaba03617433f7c3ea8e4365a1644e8a72de1198ca\",\"artifact:4086:7c291c946d78a74b3db4176b3d7fd5ba6a013554aceea00ce90a44b35e07c7f3\":\"7c291c946d78a74b3db4176b3d7fd5ba6a013554aceea00ce90a44b35e07c7f3\",\"artifact:4086:82ec9084917c55dd631a4c5ae3529f7f62289035d24642e0df3fc5406b9ec6cc\":\"82ec9084917c55dd631a4c5ae3529f7f62289035d24642e0df3fc5406b9ec6cc\",\"artifact:4086:aa4f090d3160d8cb9135f23fc0c05d4cb6be7a286339c90c7637f319b15d2b29\":\"aa4f090d3160d8cb9135f23fc0c05d4cb6be7a286339c90c7637f319b15d2b29\",\"artifact:4086:c5cf8449a97b5ec67cf9a92dfe94f06c3e8f80a4a413fb6ac3d5e4ef296451e2\":\"c5cf8449a97b5ec67cf9a92dfe94f06c3e8f80a4a413fb6ac3d5e4ef296451e2\",\"artifact:4086:c7a6bf2b06c50005a89fb6b55710bffcbda6b6b7a16f023b4dabf3d82e2db0f0\":\"c7a6bf2b06c50005a89fb6b55710bffcbda6b6b7a16f023b4dabf3d82e2db0f0\",\"artifact:4086:d1823b77ba4d18d370d12757a5f6b1a05a002eac5384052a2265dc2800bdf901\":\"d1823b77ba4d18d370d12757a5f6b1a05a002eac5384052a2265dc2800bdf901\",\"artifact:4086:d821713196c79c751912684f70590b392a8d92497985a59fc650f83cfb49d97a\":\"d821713196c79c751912684f70590b392a8d92497985a59fc650f83cfb49d97a\",\"artifact:4086:e00a838ceaf981284cc4f23cfde8f76a3cc69c71962b7e0072c88baa76f13153\":\"e00a838ceaf981284cc4f23cfde8f76a3cc69c71962b7e0072c88baa76f13153\",\"artifact:4086:ec003c3cd11cbcf85a7ded4775844d9bdc53ae0369878c470706c84d23b2775d\":\"ec003c3cd11cbcf85a7ded4775844d9bdc53ae0369878c470706c84d23b2775d\",\"artifact:4086:f1dd28cebe5c1f60343a6e101b67b2b9c0546e5f3b0d9e52f2c141d58e7ec19e\":\"f1dd28cebe5c1f60343a6e101b67b2b9c0546e5f3b0d9e52f2c141d58e7ec19e\",\"artifact:4086:f683188c4721d32259352c1fc963688ce36d45e96e0b85996d0df034c5f1b673\":\"f683188c4721d32259352c1fc963688ce36d45e96e0b85996d0df034c5f1b673\"},\"sha256\":\"469e1676c62b32ba1f9952d2d1078d9a9eae62f8f071b56b2c5f92ef4dcbca2b\"},\"targets_sha256\":\"b975e91f005e279621dcdaafa92a1369a7129de37d0a225f6a815f014a3b9209\"}\nDeclared non-witness scopes with their existing authority: []\nConfigured areas: [{\"id\":\"self-match\",\"title\":\"Self match: a 32-character hex string equal to its own MD5\",\"lane\":\"self-match\",\"topic_ids\":[\"self-match.methods\",\"self-match.study-1\",\"self-match.study-2\",\"self-match.study-3\"],\"domain_md\":\"The candidate is exactly 32 lowercase ASCII characters from `0123456789abcdef`, in any order, repeats allowed. Its **32 literal ASCII bytes** are hashed; it is not decoded as hex. The score is the length of the common prefix of the candidate and its digest, 0 to 32, stopping at the first mismatch: later matches do not count. The final goal is a candidate equal to its own digest (a fixed point). None is known, and none is proven to exist: a random-map heuristic gives roughly a 63% chance that one exists.\\n\\nSubmit `candidate`. Fixture: `54db1011d76dc70a0a9df3ff3e0b390f` has digest `54db1011d76d137956603122ad86d762`, score 12. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\\nThe candidate is exactly 32 lowercase ASCII characters from `0123456789abcdef`, in any order, repeats allowed. Its **32 literal ASCII bytes** are hashed; it is not decoded as hex. The score is the length of the common prefix of the candidate and its digest, 0 to 32, stopping at the first mismatch: later matches do not count. The final goal is a candidate equal to its own digest (a fixed point). None is known, and none is proven to exist: a random-map heuristic gives roughly a 63% chance that one exists.\\n\\nSubmit `candidate`. Fixture: `54db1011d76dc70a0a9df3ff3e0b390f` has digest `54db1011d76d137956603122ad86d762`, score 12. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.\"},{\"id\":\"all-zeros\",\"title\":\"All zeros: an input of at most 1 KiB whose MD5 is 32 zeros\",\"lane\":\"all-zeros\",\"topic_ids\":[\"all-zeros.methods\",\"all-zeros.study-1\",\"all-zeros.study-2\",\"all-zeros.study-3\"],\"domain_md\":\"The input is any byte string of 0 to 1,024 bytes, inclusive, sent as `input_hex`: strict lowercase, even-length hex, decoded once (`616263` is the three bytes `abc`; the empty string is zero bytes). Arbitrary binary is allowed. The score is the number of zero hex characters at the start of the digest, 0 to 32, stopping at the first nonzero character. The final goal is the digest `00000000000000000000000000000000`. No such input is known.\\n\\nSubmit `input_hex`. Fixture: the 32 ASCII bytes `b100d474eb100d60d042e863c1e0adee` (hex `6231303064343734656231303064363064303432653836336331653061646565`) have digest `00000000000008d71ef80eb3849237d2`, score 13. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\\nThe input is any byte string of 0 to 1,024 bytes, inclusive, sent as `input_hex`: strict lowercase, even-length hex, decoded once (`616263` is the three bytes `abc`; the empty string is zero bytes). Arbitrary binary is allowed. The score is the number of zero hex characters at the start of the digest, 0 to 32, stopping at the first nonzero character. The final goal is the digest `00000000000000000000000000000000`. No such input is known.\\n\\nSubmit `input_hex`. Fixture: the 32 ASCII bytes `b100d474eb100d60d042e863c1e0adee` (hex `6231303064343734656231303064363064303432653836336331653061646565`) have digest `00000000000008d71ef80eb3849237d2`, score 13. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.\"},{\"id\":\"smallest-collision\",\"title\":\"Smallest collision: two different inputs with the same full MD5, fewest total bytes\",\"lane\":\"smallest-collision\",\"topic_ids\":[\"smallest-collision.methods\",\"smallest-collision.study-1\",\"smallest-collision.study-2\",\"smallest-collision.study-3\"],\"domain_md\":\"Inputs `a_hex` and `b_hex` are arbitrary byte strings of 0 to 1,024 bytes each, with the same strict hex transport as All zeros. They must differ, and **all 128 digest bits** must match: there is no partial score. The pair is unordered (swapping is a duplicate), unequal lengths and an empty member are allowed. Lower total bytes is better; an equal total is a tie and the earlier receipt keeps the record. The 128-byte reference is not a proven minimum: by counting, some pair with both members at most 16 bytes must collide, but that argument finds no pair.\\n\\nSubmit `a_hex` and `b_hex`. Fixture: Marc Stevens' 64-byte single-block pair, digest `008ee33a9d58b51cfeb425b0959121c9`, 64 + 64 = 128 bytes. Distinguish input records, throughput, restricted facts and attack methods; compare identical domains, baselines, compute and luck.\\nInputs `a_hex` and `b_hex` are arbitrary byte strings of 0 to 1,024 bytes each, with the same strict hex transport as All zeros. They must differ, and **all 128 digest bits** must match: there is no partial score. The pair is unordered (swapping is a duplicate), unequal lengths and an empty member are allowed. Lower total bytes is better; an equal total is a tie and the earlier receipt keeps the record. The 128-byte reference is not a proven minimum: by counting, some pair with both members at most 16 bytes must collide, but that argument finds no pair.\\n\\nSubmit `a_hex` and `b_hex`. Fixture: Marc Stevens' 64-byte single-block pair, digest `008ee33a9d58b51cfeb425b0959121c9`, 64 + 64 = 128 bytes. Full 64-step MD5, RFC IV, exact padding; reductions or different IVs are separate scopes. Negative evidence closes only its tested method and scope.\"}]\n\nFor each area return applicability_assessment:{source_return_id:4086,input_sha256:\"2cdbb5693183e193fcbd30196d40d17ea3612ee92919c117eeaa34765a92e4ee\",entries:[{target_id,decision:\"applicable|inapplicable|unresolved\",scope_keys:[<declared source keys; [] when the accepted report has no typed scope>],evidence_md,assumptions_md}]}. Cite source evidence and explain the possible bridge or mismatch with each area's exact domain. Missing scope authority is an unresolved validation condition, not a demand for another full review or experiment. Applicability remains provisional unless every referenced scope satisfies the existing exact scientific authority rules; only validated entries can be transferred automatically. Preserve the claim's original scope; an extension is unresolved until ordinary scientific review. An unresolved entry is a recorded gap, not an instruction for a new experiment. Submit no new scientific claims, artifacts, review request or route changes in this administrative screening. Record existing evidence even when every area is inapplicable. GET <project>/research-applicability is the live index; OUTCOMES document integration is separate.","review_deferred":false,"in_triage":false,"triage":[],"lean_statement_binding":null,"lean_execution_binding":null,"lean_scientific_identity":null,"lean_execution_identity":null,"verification_runs":[],"verification_state":null,"verification_summary":null,"canonical_return":null,"review_history":[],"dependencies":[],"cited_by":[],"route_dependents":[],"research_url":null,"transcript_url":"/projects/md5/return/6664/transcript","files":[],"decided_by_author_handle":false,"reviews":[],"decisions":[],"decision":null,"report_sha256":"e89ff357d30dd6ae649358b00b1a0c763d98d1eb4d390060c3ebe6e3da246955","next_step_sha256":null,"research_authority":{"witness_status":null,"research_status":"recorded","scopes":[]},"research_links":[],"duplicates":[],"cited_messages":[]}