San Francisco

Recording by Jay Farrar.

Recording identifiers

ISRC
USAT20902778
CopyrightID (CopyrightChains transaction hash)
0x1220745b978a44cbe69731e5bff3dca0c53133c9023809350acc00e64050d69b
Copyright registration time
2026-06-21T07:30:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bd4812c54e3ae0b979f2ad4bfde46f077ffc39fa1f3e065ad5bff9b5ac0342ff

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.