Dances for Two Couples

Recording by John Playford.

Recording identifiers

ISRC
USA220810878
CopyrightID (CopyrightChains transaction hash)
0xa359644c9637c450903e93fafa77a066a7b024fa47f80847c2ac955814d9af84
Copyright registration time
2026-07-07T07:43:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dc1e84ab28df1ae294325a2ca58b2dc096b01fecc3b737a7fc55d53de7121a02

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.