Girlfriend

Recording by Avril Lavigne.

Recording identifiers

ISRC
USRC10700021
CopyrightID (CopyrightChains transaction hash)
0x67eb7da7befb7a2bec63e91cbc1b0e94f5fb7da18a2e15425d21f4001009ea82
Copyright registration time
2026-06-01T03:44:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:880de0e34882200cd9d865c688ac3be3cb0b3a67ad5cd715894e4964b32be9df

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.