Laughing

Recording by Pere Ubu.

Recording identifiers

ISRC
QM6N21530454
CopyrightID (CopyrightChains transaction hash)
0x1ea7512708b2c253839ceabc75161ae1c69047d8b94e74d8410b97ad41b14025
Copyright registration time
2026-06-18T08:27:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6bcabbd0959a0d4760e7db25a2b086b2dfdb3a5a07eb0a39526276af05d78cd9

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.