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

GPAI Ledger › GPT-5.2 (OpenAI) › Capture 30 Sep 2026

GPT-5.2 — capture 20260930T114456Z

ProviderOpenAI
TargetAIAL evaluation — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/main/evals/openai-gpt-5.2.yaml
Fetched (UTC)2026-09-30T11:44:56Z
Stored file3,226 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when
SHA-256ebcc66bb29f16d9bd3b075f6b1f05b2cdaa57ef663c09cacd813b0e4aa573b94
OpenTimestamps proofebcc66bb29f16d9bd3b075f6b1f05b2cdaa57ef663c09cacd813b0e4aa573b94.yaml.20260930T114456Z.ots (calendar-attested; anchored in bitcoin over time)
Waybacknot saved
Prior capture of this target12c129a63db696977801f81551586927f50855e84c2213be18614c2840bd268b (captured 2026-09-13T12:30:32Z)

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 size3,226 bytes
Canonical text SHA-2562ca4885ef81a85fab88d8c0589086a73ed9c032b53695749d88ec0c05139d623
Extracted text length371 words