Some Say

Recording by Sum 41.

Recording identifiers

ISRC
USIR20400691
CopyrightID (CopyrightChains transaction hash)
0xf4e74ae344bce9acd36cae79d6f4fa56f05b37a26f31f60f385d2c6fc482192a
Copyright registration time
2026-06-02T00:14:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4cda2a22b55a96bee2e0de9eff62d4459c9d79857ba63fefecd7239ef77f5c5e

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.