Work It Out

Recording by Matoma.

Recording identifiers

ISRC
USANG2298339
CopyrightID (CopyrightChains transaction hash)
0x672de9fdae7dc82bfbe8b5e661d738224ac4d7bb6aff3d98a7e24632b5f1fa96
Copyright registration time
2026-06-19T09:59:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a177113d1542ca410e1d4520869537e08905c5428652d864bb93264578419c37

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.