Déjà vu

Recording by Avril Lavigne.

Recording identifiers

ISRC
USAT22108159
CopyrightID (CopyrightChains transaction hash)
0x3f3548866f969870af6284592725d2b89b9e9473654975921a7df6093d13c00f
Copyright registration time
2026-06-04T16:27:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:0df578cebfa359b86eb311c62af9f337cd8a088fb3fdc2bbe3bcebcd997ca2b3

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.