How We Do

Recording by Duff Disco.

Recording identifiers

ISRC
GBCPZ1105059
CopyrightID (CopyrightChains transaction hash)
0x476a8eb89fb90e07d01119e3f5edbbabb6e0fb0fc2ea3f8e7534da9475cf942e
Copyright registration time
2026-07-29T18:34:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:9cc9629fd7bf8f971ed2555d305d6011f267cba052fd62aaf33a62cf4b1e166b

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.