Butch and Butch

Recording by Roy Haynes.

Recording identifiers

ISRC
FR14F0300920
CopyrightID (CopyrightChains transaction hash)
0x38e04a8f417850559bfd49518c1879987a6a28a37aebf98a1adb465a8aed6ef5
Copyright registration time
2026-07-31T09:38:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:50:37Z
Bitcoin block
960383
Canonical record hash
sha256:411d8c0d9f1d0e0bfe983f300a843de2ae727d262d67bd613f0320fa345e75a7

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.