I Didn't Know What Time It Was

Recording by Bud Powell.

Recording identifiers

ISRC
USPR39401842
CopyrightID (CopyrightChains transaction hash)
0x4323d4ceb5becc130e8c8209ea5b40d2bf4b8eff907c6230f6ffe510cf851f2a
Copyright registration time
2026-07-06T19:05:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:954ddd994db128a00a7776dc7538ae10fa7d1ed06e4c19027ad6c1b162ff7249

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.