ISRC NLTR41200031
Verified recording
NLTR41200031 is “Goldberg Variations Bwv 988, Variatio 30, Quodlibet” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x9dfa019f65f70aefdc6b74c27d75b9973e2e6d6188088b774c016c3cdb149f76 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200031.
Recording identifiers
- ISRC
- NLTR41200031
- Title
- Goldberg Variations Bwv 988, Variatio 30, Quodlibet
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x9dfa019f65f70aefdc6b74c27d75b9973e2e6d6188088b774c016c3cdb149f76
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:d36d2ee9f990b24acba779e589764c499ed9dbf2d0c7ec5fb754fca76091ff87- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200031
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Goldberg Variations Bwv 988, Variatio 30, Quodlibet · Machine-readable JSON-LD