Punk Is Dead - Grumblemorph Remix

Recording by Crass.

Recording identifiers

ISRC
GBBTF2100280
CopyrightID (CopyrightChains transaction hash)
0xd9645b8b8bb955f8646f5bc50265dfa16193a599d8459e86bdc38a92dae116de
Copyright registration time
2026-07-07T19:55:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:6a2ec006fb46cfd14d87a36b6f4efa7e6a5daa253121b38d1c3b7b0077577b1c

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.