Thirty One

Recording by Butcher Brown.

Recording identifiers

ISRC
USC4R2212265
CopyrightID (CopyrightChains transaction hash)
0x2ca1166823d2fc17bc6de51e866fa30d9f799025b21e61ac828506ffbad3975f
Copyright registration time
2026-06-20T09:18:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0574eb5942f11b6568fd73f88cdf194b533e7cdef2501771b3ab23679786e6c0

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.