ISRC NLTR41200028
Verified recording
NLTR41200028 is “Goldberg Variations Bwv 988, Variatio 27, Canone Alla Nona” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x1f0157605502f148a05f54c7d02632e6ef35b2cac4699410458c5d0d6a7f0d32 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200028.
Recording identifiers
- ISRC
- NLTR41200028
- Title
- Goldberg Variations Bwv 988, Variatio 27, Canone Alla Nona
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x1f0157605502f148a05f54c7d02632e6ef35b2cac4699410458c5d0d6a7f0d32
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:a6cea26541ab893db956473fc31a6ba87993cebbfea24ab242096f9e0ebd7b8a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200028
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Goldberg Variations Bwv 988, Variatio 27, Canone Alla Nona · Machine-readable JSON-LD