Girlfriend - The Submarines' Time Warp '66 Mix - Mandarin

Recording by Avril Lavigne.

Recording identifiers

ISRC
USRC10700420
CopyrightID (CopyrightChains transaction hash)
0x6138279d10f574aa1b638fc8b88db08a93cf3bd85510b4b6bfbd3f520227f361
Copyright registration time
2026-07-06T20:05:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9ce0038ea7d01524a6b3cca2cd5aab9eba112ee657cf7e0f3846315f7107551f

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.