Group Dances II

Recording by John Playford.

Recording identifiers

ISRC
USA220810883
CopyrightID (CopyrightChains transaction hash)
0x58de0be7d6c22c4a711439acb6c4f42a7aab395bb37a033f28fab4bb8751d043
Copyright registration time
2026-07-07T11:12:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:42410cf32f995f5257e0878e2963f87e496236db222ab30e522a4c55bf1e7bf8

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.