Two in One upon a Ground

Recording by Henry Purcell.

Recording identifiers

ISRC
DEE471400543
CopyrightID (CopyrightChains transaction hash)
0x82009f25fda9a22b37561fe678c99b2d3e96bbcc3fa9e5fdb6c5cc68eb8eaa15
Copyright registration time
2026-07-07T03:58:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:676f028656a97be36e1a713baf88528eb9edec3bf44121b134e6091e4b14dd0f

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.