The Croppy Boy

Recording by Cornelius Cardew.

Recording identifiers

ISRC
ITK197500079
CopyrightID (CopyrightChains transaction hash)
0x94261b9b75d0ba87c29dde16ea3064cf24d0916277fc0df72f73d7f37c512485
Copyright registration time
2026-07-07T20:12:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:563f7eba4d0965d007b46eb0483bec46e033d6d339fc3e8f1e303a9a20e9fa07

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.