Westbound Sign

Recording by Green Day.

Recording identifiers

ISRC
USRE19500213
CopyrightID (CopyrightChains transaction hash)
0x1f7c098b14a8c7b1083ce5e7a8c42994e95448a330e2c8715b4d3f0127ee0866
Copyright registration time
2026-06-04T13:01:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eaed2b974af7271ab2a4ad70bc7bf512509a3d0e1db07421ac654d83a7cc390f

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.