ISRC NLTR41200032
Verified recording
NLTR41200032 is “Goldberg Variations Bwv 988, Aria” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x71bc481cb1c821c0dfdef804bdde155c99b2738a663e34d423bfa23b25171148 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200032.
Recording identifiers
- ISRC
- NLTR41200032
- Title
- Goldberg Variations Bwv 988, Aria
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x71bc481cb1c821c0dfdef804bdde155c99b2738a663e34d423bfa23b25171148
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:c2ec9d206d5d41b19783bf21c38e23b69f14c94334ba54d0c42ef354b510bb11- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200032
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Goldberg Variations Bwv 988, Aria · Machine-readable JSON-LD