3 Parts Upon a Ground, Z. 731

Recording by Henry Purcell.

Recording identifiers

ISRC
CH4210100055
CopyrightID (CopyrightChains transaction hash)
0xd0e852b2b913b81fd2105d80c79aa0238d343679689388dfa730d99d4dbb8fc4
Copyright registration time
2026-06-25T07:57:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:218cebbdea0862ee3626095253c81ca4159e1e12ff90ad880d808e2089bdca89

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.