Purness

Recording by John Cosani.

Recording identifiers

ISRC
US83Z2141631
CopyrightID (CopyrightChains transaction hash)
0xb0722bb7fe483909faa7a2be65f7a81824c5a4e47a9ed3d89d6e5786600b54cc
Copyright registration time
2026-06-24T21:19:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:e94e5da555715a821ac328fea70d035b380e072f50f5620870b899ef0f51396b

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.