GPAI Ledger › Claude Mythos 5 / Claude Fable 5 (Anthropic) › Capture 31 Aug 2026
Claude Mythos 5 / Claude Fable 5 — capture 20260831T104814Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/fb0dc932d4685c18e0fd0d590eb52bbeb1ceb783/public/evals/claude-mythos-5-fable-5/index.html |
| Fetched (UTC) | 2026-08-31T10:48:14Z |
| Upstream commit | 4 Aug 2026 — fb0dc932d468 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 20,236 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 | 732865b787fbe85f52024144f1a7da5d1a6e0a8bd688bfc8f07530e48af5fcd0 |
| OpenTimestamps proof | 732865b787fbe85f52024144f1a7da5d1a6e0a8bd688bfc8f07530e48af5fcd0.html.20260831T104814Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | a16ace614383c9cc5a545453fa1e9934d77b03abc9ab25dd8f6b7d578c4edf9e (captured 2026-08-31T10:36:32Z) |
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 | 20,236 bytes |
|---|---|
| Canonical text SHA-256 | 716957750e4ec87e95908151c2dd2a1d70ead919586e9eaee6273e51bc2185e6 |
| Extracted text length | 788 words |