Final Solution

Recording by Pere Ubu.

Recording identifiers

ISRC
US4XR0423106
CopyrightID (CopyrightChains transaction hash)
0x19765bbe05b4508c47fe66f7ec1f7c1e9dab47fdce722bae12884667b1f25482
Copyright registration time
2026-06-20T15:31:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e484c63cf74097df33798b0e940ea49c4509ba45dbbb55fdfb85f72fbd614404

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.