Summer

Recording by Sum 41.

Recording identifiers

ISRC
USIR20000137
CopyrightID (CopyrightChains transaction hash)
0x87d09248078d99b92f3da24ca49785c1a165795ab73be4145aa85d0c487a01f0
Copyright registration time
2026-06-04T10:33:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:badaa67675d9e402d19325531f551a8eb674ae9e5b455bf0b00b2961ed6f081d

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.