GPAI Ledger › Claude Mythos 5 / Claude Fable 5 (Anthropic) › Capture 31 Aug 2026
Claude Mythos 5 / Claude Fable 5 — capture 20260831T103632Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/38dfbd8da731954fe4eef2364736805a3eef99be/public/evals/claude-mythos-5-fable-5/index.html |
| Fetched (UTC) | 2026-08-31T10:36:32Z |
| Upstream commit | 3 Aug 2026 — 38dfbd8da731 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 19,429 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 | a16ace614383c9cc5a545453fa1e9934d77b03abc9ab25dd8f6b7d578c4edf9e |
| OpenTimestamps proof | a16ace614383c9cc5a545453fa1e9934d77b03abc9ab25dd8f6b7d578c4edf9e.html.20260831T103632Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | 8b0239ee77a72259f3ae2b3a8b9ad159775351f421d9944e4904f29d5aa072ef (captured 2026-08-31T10:31:18Z) |
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 | 19,429 bytes |
|---|---|
| Canonical text SHA-256 | 81c90c1cd5aef8e9776eaa48c5189fb0e43b5f49c83f15454e8fe8c03d2f60c6 |
| Extracted text length | 679 words |