Just for Laughs, Pt. 1

Recording by Charles Mingus.

Recording identifiers

ISRC
GBXHC2040250
CopyrightID (CopyrightChains transaction hash)
0x73db4bab8b4c87088507ec4f278936d7661dffa83b2e65d3db1b5d6e1a62392a
Copyright registration time
2026-07-07T12:23:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b57ad5b42d66f906b0514afb6d87aea9ea7539367cdddefa672f30cca169b5d3

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.