Pollyanna

Recording by Green Day.

Recording identifiers

ISRC
ZZOPM2105817
CopyrightID (CopyrightChains transaction hash)
0x56bb80c26829a6b270ad2dcb8e4fc7637ae7c0d38e0737cc658e2be24b509bc8
Copyright registration time
2026-06-04T15:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:14098b5eb370bb517573e8d3988173487d83f29e26ecd1b36d111cbbb6a6b0be

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.