GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 29 Aug 2026
Claude Sonnet 5 — capture 20260829T190231Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/948877cb12c420f0cc45ba011ba255f0570f985e/evals/claude-sonnet-5.yaml |
| Fetched (UTC) | 2026-08-29T19:02:31Z |
| Upstream commit | 6 Aug 2026 — 948877cb12c4 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 4,954 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 | 017de344599c9cfd670963478a3eaf8d804d715dd550933c118bc46e2ee94ed0 |
| OpenTimestamps proof | 017de344599c9cfd670963478a3eaf8d804d715dd550933c118bc46e2ee94ed0.yaml.20260829T190231Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | 1a3f9ae8d3c5cc26a1350bc3bf50ef2e1e832f3109ea70aee27f235758ab1711 (captured 2026-08-29T18:58:20Z) |
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 | 4,954 bytes |
|---|---|
| Canonical text SHA-256 | 218582a6994d6ee7df0bff7f1fa66ca011ea79be56c508ce5db7b5c82dcfed33 |
| Extracted text length | 644 words |