The Laughing Policeman At The Zoo, Pt. 2

Recording by Charles Penrose.

Recording identifiers

ISRC
GBMJG2213555
CopyrightID (CopyrightChains transaction hash)
0x088b7cc82c8a463437d9ad7b8af86fa89142ca0c857f1950113bddc58243730e
Copyright registration time
2026-07-07T23:59:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c13390f7429c30159456ebe545f884fd3955b73cb033e2747bfcb275f5636bf4

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.