J'me défonce

Recording by Biffty.

Recording identifiers

ISRC
FR6031501690
CopyrightID (CopyrightChains transaction hash)
0xa29b1b9aceeb873de07a5ede96ea4d119e52b942f4c8dd73c1f0ecb514339d2a
Copyright registration time
2026-06-25T21:21:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:68fd76d0f43fc861e299e64bd2e332bdeeadc4edf61b7195b6103e5e4dc208dd

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.