Final Solution

Recording by Pere Ubu.

Recording identifiers

ISRC
GBCKK1540803
CopyrightID (CopyrightChains transaction hash)
0x9be6a347369d3915e69125c587baf6e8a65c4063f03e7e124366f9a9db3f6624

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:d16b6313defe8b1d3d3fadb245403bec600ddcd952969931936d099fb3324801

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.