GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 29 Aug 2026
Claude Sonnet 5 — capture 20260829T184941Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/38dfbd8da731954fe4eef2364736805a3eef99be/evals/claude-sonnet-5.yaml |
| Fetched (UTC) | 2026-08-29T18:49:41Z |
| 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 | 4,079 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 | 5b9d043d4a5d88d4e95c378c34533ca0b40a9c56a974a551fdf4941ff420b4e2 |
| OpenTimestamps proof | 5b9d043d4a5d88d4e95c378c34533ca0b40a9c56a974a551fdf4941ff420b4e2.yaml.20260829T184941Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | 426fef68348f38cd4eb204afad304092e32f11c20eb8e2aa85d0a074d32599ea (captured 2026-08-29T18:48:54Z) |
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 | 4,079 bytes |
|---|---|
| Canonical text SHA-256 | 3b04f3fa3e00f98a4009a86be8fdeed40640e7826e7333158c44b866361f84da |
| Extracted text length | 531 words |