The Black and Crazy Blues

Recording by Rahsaan Roland Kirk.

Recording identifiers

ISRC
USAT20105167
CopyrightID (CopyrightChains transaction hash)
0xd2eeeb6984dd6c5837f315a570fa217d85f79bddfdfc158b61dd0d6f902a818f
Copyright registration time
2026-07-05T00:48:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9643e5e8c660d387480d5c2d24d0b912889ce96490c9931684ae31a18a71f36f

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.