GPAI Ledger The public record of EU AI Act training-data summaries

GPAI Ledger › GPT-5.5 (OpenAI) › Capture 29 Aug 2026

GPT-5.5 — capture 20260829T184406Z

ProviderOpenAI
TargetAIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/fb04f913855123fef5480e30e9d7ee55eb455a82/evals/gpt-5-5.yaml
Fetched (UTC)2026-08-29T18:44:06Z
Upstream commit3 Aug 2026 — fb04f9138551 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then)
Stored file8,136 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when
SHA-256ffd87f06565fcdd600e583ea4ea51990c5d08f53ecf69650c00da9f03fca673f
OpenTimestamps proofffd87f06565fcdd600e583ea4ea51990c5d08f53ecf69650c00da9f03fca673f.yaml.20260829T184406Z.ots (calendar-attested; anchored in bitcoin over time)
Waybacknot saved
Prior capture of this target42fe2f31aef4fb92c0ffedf0c20de261abf7eebb2340339b20504c2a01f53ff5 (captured 2026-08-29T18:42:03Z)

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 size8,136 bytes
Canonical text SHA-25696b5c2e347c1a45f5c2c9a95c5ac277fc74db12fbbb233d504e71edd3a032c3f
Extracted text length1,048 words