F.U.

Recording by Avril Lavigne.

Recording identifiers

ISRC
USAT22108160
CopyrightID (CopyrightChains transaction hash)
0xc7de8632718c54998f921fc0da817e032f9b84c27d6fb4b69b24ec56882741f4
Copyright registration time
2026-06-04T10:24:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:87b656f0e26da471a99941c8b99d03383b1369454ce0058824b65caf530245eb

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.