Letterbomb

Recording by Green Day.

Recording identifiers

ISRC
USRE11000191
CopyrightID (CopyrightChains transaction hash)
0x9e9c3f60e9a9cf5a4e6ad83513ec9ddddd63469c5ab7819ae00f0c3d6c6ebd05
Copyright registration time
2026-07-07T06:00:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1624994e26c9657f92f473732d2745812f67a300b27b2bdf994689a64b1bf9e7

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.