ISRC NLTR41200018
Verified recording
NLTR41200018 is “Goldberg Variations Bwv 988, Variatio 17” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x7c55b1e6714d2f66d044109ae09dd42b32b4fbd0fc49f575e20c9da989b801c2 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200018.
Recording identifiers
- ISRC
- NLTR41200018
- Title
- Goldberg Variations Bwv 988, Variatio 17
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x7c55b1e6714d2f66d044109ae09dd42b32b4fbd0fc49f575e20c9da989b801c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a00deae1d85cf5dcb5c80c617740f9c04dd13ca8bff1d1eb846ef6d48a833709- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200018
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Goldberg Variations Bwv 988, Variatio 17 · Machine-readable JSON-LD