Extraordinary Girl / Letterbomb

Recording by Green Day.

Recording identifiers

ISRC
USRE10401221
CopyrightID (CopyrightChains transaction hash)
0x43cbd08385264c4b692bc260bc9b12a5d1b653be17e5abae41f401c79827df71
Copyright registration time
2026-06-04T11:10:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:310eec99dd2c89ddae178cbd0d1535ed1dc9211cc967fb73e4893ddd24850470

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.