Nothing On My Back

Recording by Sum 41.

Recording identifiers

ISRC
USIR20110118
CopyrightID (CopyrightChains transaction hash)
0x43f0514a587e8dd1996979dca9afb110c233248034db723726983dba6328a9c7
Copyright registration time
2026-06-04T12:09:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d7ebbe8e4b93c9cbeb3cfebc656c55443be2700ae17462235ea43b8c1541c828

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.