Sonny Boy's Christmas Blues

Recording by Sonny Boy Williamson II.

Recording identifiers

ISRC
USAP30031014
CopyrightID (CopyrightChains transaction hash)
0x9f1e6419faf15cc96c1953f307d867ccca6860e593bd49ac9f0112772c300857
Copyright registration time
2026-07-06T18:16:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:90cd4ba5205f065a6896be8d69388577d114cbbfd204bdce0d02df8d20fe690a

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.