Rhythms

Recording by Sum 41.

Recording identifiers

ISRC
USIR20110120
CopyrightID (CopyrightChains transaction hash)
0x43c2f546cc843bd9ab6a4f2b2d1420366d40a8942373be001006cb2ebf88c584
Copyright registration time
2026-06-04T10:05:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2573e0b2f808070850a7e448136a04f65c0ede33439b66a864690605b7c1c713

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.