ISRC NLTR41200002
Verified recording
NLTR41200002 is “Goldberg Variations Bwv 988, Variatio 1” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x1f94187b61725b620bf96d524f1506364dbcca457eb4424156cc94a50f6376b2 and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200002.
Recording identifiers
- ISRC
- NLTR41200002
- Title
- Goldberg Variations Bwv 988, Variatio 1
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x1f94187b61725b620bf96d524f1506364dbcca457eb4424156cc94a50f6376b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:8f9b87170d214f1f75e756c290e8c05d694542de26591250486f4bf3f500336a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200002
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: Goldberg Variations Bwv 988, Variatio 1 · Machine-readable JSON-LD