Intro

Recording by Sum 41.

Recording identifiers

ISRC
USIR20400689
CopyrightID (CopyrightChains transaction hash)
0x5d5b73b820e0cc0b0a78db60868e1818f8001568676e1c95eae436378f2f03e2
Copyright registration time
2026-06-05T06:50:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:bcbb8df9275f783b3f44035588161133065c6cff8bb54f44f822160a2f1773dc

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.