Bad Reputation

Recording by Avril Lavigne.

Recording identifiers

ISRC
USRC11000927
CopyrightID (CopyrightChains transaction hash)
0x9e0b8a565435e4034407394ab52706088a5d772fc77f6b2b1fb61bc978387922
Copyright registration time
2026-06-04T08:09:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:38b23d24b7545d88670599c9d6fac2baf5638075994c279c9a1013d463142916

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.