California - Live

Recording by John Mayall.

Recording identifiers

ISRC
USF066900090
CopyrightID (CopyrightChains transaction hash)
0x2780009fcdf7b69c0099618136055922cac41ce41680b20937d495f85b88af27
Copyright registration time
2026-06-05T16:45:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:663261c2bfaecf62154148e5297445378ba534a01f99ea07a27f8e88192616ad

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.