Work It Out

Recording by acro jazz laboratories.

Recording identifiers

ISRC
JPP321600440
CopyrightID (CopyrightChains transaction hash)
0x547d46d71d9cbaf927113b068df357cc92c4e1036f4e1df4551efb1c29f12c4e
Copyright registration time
2026-07-06T18:20:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:21Z
Bitcoin block
957065
Canonical record hash
sha256:510ad9f0427463568e7a90b23afd02e313b4df35364618f8229f6b2ce59dfb1f

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.