Reason To Believe

Recording by Sum 41.

Recording identifiers

ISRC
USUM71102091
CopyrightID (CopyrightChains transaction hash)
0x15269bc6e24082c4629da83e84c8882813e6c53a3e04b37ed4a349d976804744
Copyright registration time
2026-06-07T23:52:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a4085d12a1df6c1e42d28c5545107a886ed3229dbd96d13d584062ffbcea4d04

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.