ISRC NLTR41200024
Verified recording
NLTR41200024 is “Goldberg Variations Bwv 988, Variatio 23” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0xbcfe0b4a9663514e515b7385bfc798239eee6a450dd67f69bc5fe540c1ab5a52 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200024.
Recording identifiers
- ISRC
- NLTR41200024
- Title
- Goldberg Variations Bwv 988, Variatio 23
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0xbcfe0b4a9663514e515b7385bfc798239eee6a450dd67f69bc5fe540c1ab5a52
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:a422d0fb01a0755a52559182962a0be72a005418a86a5cb50ad01e680861c96f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200024
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Goldberg Variations Bwv 988, Variatio 23 · Machine-readable JSON-LD