Retrospective

Recording by Colossus.

Recording identifiers

ISRC
NLCK41079288
CopyrightID (CopyrightChains transaction hash)
0xd2b78a1753690e39ccfdf9b127b9b748ef792215554160988a5ca5fb966620c9
Copyright registration time
2026-07-07T04:11:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:062f6716eb2cc06cbfed4a55d8aed4fc9650954821712fe5ca68552b831472c0

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.