ISRC NLTR41200010
Verified recording
NLTR41200010 is “Goldberg Variations Bwv 988, Variatio 9, Canone Alla Terza” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0xa9ba873e8b5220680b963a30af4d54cacd90ae7cbdba4f194c507ecd05dfb9d2 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200010.
Recording identifiers
- ISRC
- NLTR41200010
- Title
- Goldberg Variations Bwv 988, Variatio 9, Canone Alla Terza
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0xa9ba873e8b5220680b963a30af4d54cacd90ae7cbdba4f194c507ecd05dfb9d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:66989768bbdb3473238a25bab6ccfe80a086195cb76053075000a31b6171bcbe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200010
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Goldberg Variations Bwv 988, Variatio 9, Canone Alla Terza · Machine-readable JSON-LD