Pontiac Blues

Recording by Sonny Boy Williamson II.

Recording identifiers

ISRC
USAP30031015
CopyrightID (CopyrightChains transaction hash)
0xa76e2b014c15091398e039e2775bcf8af12b8bb3a9ca4b4736cfc769e2a06d33
Copyright registration time
2026-06-22T03:13:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a1628172eb2e527e1f9f8239a24ebeb17d70d1405c9a50da6b5543f5b6e03b9d

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.