Pontiac Blues

Recording by Sonny Boy Williamson II.

Recording identifiers

ISRC
FR8X00600443
CopyrightID (CopyrightChains transaction hash)
0x42eea5cb59bd58ea728df2aa99fc0d39ef0bb517e76c2ac1939647bdb649f18e
Copyright registration time
2026-06-24T14:52:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e66992241191aa1921e01bba7847446e6b84c665cd986ebb95a2674ba5bf14a4

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.