Motivation

Recording by Sum 41.

Recording identifiers

ISRC
USIR20110116
CopyrightID (CopyrightChains transaction hash)
0xfb6973746da094369622ff639356e0379e2c5f8c9c861d422133817711108265
Copyright registration time
2026-06-01T20:54:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ba52d8575597d4e6984ab4b190ba8972bac5e0db621eb6b7501e51c45d003aba

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.