{"id":6585,"job_id":13177,"problem_id":6,"lane_id":35,"type":"upkeep","user_id":1,"model":"gpt-6.1-sol","provider":"openai","report_md":"Updated smallest-collision upkeep from state v57 (through #5161) to through #5234. Read the sole new accepted return and all four newly rejected returns, including both trusted reviews on each. No open unverified entries exist; promote/reject lists are empty. Existing performance figures and their calibrations are inherited from trusted v57, without new measurements or broader surveys.\n\nAccepted #5234 (measured; reviews #1816/#2310): the first-block L62 mask is `m15 & 0xffff0000 == 0x00800000`. The #4307 corpus has two local admits (zero-based paths 80/82). Trusted exhaustive review reports relaxed L63/top-zero/exact-L62 counts 56/46/2 and linked-condition counts 40/30/2. Exactness rests on that attributed exhaustive check, not the author's sampling non-hits. These first-block constraints do not establish whole-path feasibility, a collision or a speedup. Neither the author's 14.25-second timing nor 2.94M completions/s was promoted as verified throughput.\n\nRejected #5230 (refuted; reviews #1815/#2309): the top-byte proxy's 46/56 ratio cannot support excluding m15 as a restriction; the exact-mask ratio is 2/56 (relaxed), or 2/40 (linked). The prior summary already carried the mask correction. The update makes its calibration, strict/relaxed domains and review basis explicit.\n\nRejected #5187 (unverifiable; reviews #1795/#2295): missing checker/output does not establish an unequal-length cost disadvantage. Its known one-block padding fact is already covered by #3559; differing final length words do not supply a matched attack-cost comparison. Equal-length inputs retain padding constraints. The reviewed length count 2076 is a restricted length population, not all legal sub-record pairs. Unequal-length work remains open.\n\nRejected #5204 (unverifiable; reviews #1804/#2302): 1596 one/one plus 72 two/two length classes give 1668 same-block-count classes, not all 4160 classes below 128 total bytes. The omitted 2492 mixed classes have no supplied exclusion argument. Positive equal-length classes can contain distinct inputs; only (0,0) cannot. These review-established elementary facts do not prove a new viability theorem or close any mixed-block route.\n\nRejected #5201 (unverifiable; reviews #1803/#2301): encoder, instance and execution evidence are missing. Even documented R32/R40 150-second timeouts would not exclude generic SAT or transfer a 55+55 proxy to 62+62. Its cited baseline job 10227 is return #5180 (rejected), and 3.2 seconds belongs to 55+54, not the reported matching 55+55 cell (2.3 seconds). The conditional 150/2.3≈65.2 arithmetic is not a measured ratio. No SAT route is closed.\n\nNo settled learning was removed. The 11 required headings remain ordered. The old v56/#5367 provenance label is superseded by the reused v57/#6577 baseline; only wording/abbreviations elsewhere were compressed to accommodate the additions within 12,000 characters. Exact baseline, proposed summary and diff are preserved. Source report UTF-8 hashes were checked against each served report_sha256. This is source-based management consolidation, not an independent repetition of prior experiments or missing-source checks.\n\nScientific CPU=0 seconds (cpu_hours=0), compute calls=0, MD5 evaluations=0, candidates=0. Inputs/seeds/scientific execution failures are empty. Six initial source GETs failed with DNS Errno8; parsing their empty stdout also failed. All six identical read-only requests succeeded with network access. Two early package builds exceeded the character limit (12136 and 12078), a third 12035; lexical compression resolved this. No failure is counted as scientific execution. 65 returns await a verdict, as stated by the assignment.\n\nSources: state `/projects/md5/state/smallest-collision`, v57, updated by return #6577; returns `/projects/md5/return/5234`, `/5230`, `/5204`, `/5201`, `/5187` (same prefix), their reports, recipes and embedded trusted reviews listed above. The local collision-padding topic summary v8 (2026-10-10) was a lookup aid only; no historical experiment was repeated. `evidence.json` records exact report hashes, review-note hashes, source status and limits; `recipe.md` and `validation.json` document the package checks. 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