GPAI Ledger › Claude Opus 4.6 (Anthropic) › Capture 31 Aug 2026
Claude Opus 4.6 — capture 20260831T113344Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/4c332ff3420ed7bf1328d384d4b53bbfe3489f9d/public/evals/claude-opus-4-6/index.html |
| Fetched (UTC) | 2026-08-31T11:33:44Z |
| Upstream commit | 6 Aug 2026 — 4c332ff3420e (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 11,787 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when |
| SHA-256 | befa88e0e87a4e3e4d8f41e6309837dd2b4f26c7fc1aaef73b473c632f8bf6d0 |
| OpenTimestamps proof | befa88e0e87a4e3e4d8f41e6309837dd2b4f26c7fc1aaef73b473c632f8bf6d0.html.20260831T113344Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | 09bea4e1cce4ddfe02e3f201b51d4e49687e8af89cfc85d0b801ffd4232818e6 (captured 2026-08-31T11:11:53Z) |
Verify: obtain the file from the target address above, then sha256sum it — it must equal the hash above; the .ots proof dates that hash.
Structured facts
This is another organisation's own research, and this project does not redistribute it: the file itself is not served here; these facts still pin its identity and let any copy be authenticated against this record.
| Document size | 11,787 bytes |
|---|---|
| Canonical text SHA-256 | d0be79d6e1a118d22450591d50e400b0aec13e59bd4c5fdaca88cd1f86117609 |
| Extracted text length | 209 words |