Navvy

Recording by Pere Ubu.

Recording identifiers

ISRC
GBCEJ7800012
CopyrightID (CopyrightChains transaction hash)
0x57cd067a9b6f780476ca07741ae95f88971c525254f50ff1eadd1043f0076517
Copyright registration time
2026-06-17T11:06:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:7f3328b1a3671f9de942e5ebdbe4d5858ad975e680e504a5516a205cc65b5294

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.