ISRC NLTR41200023
Verified recording
NLTR41200023 is “Goldberg Variations Bwv 988, Variatio 22, Alla Breve” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0xb747f05b514230e8fb36fe2887bb3f0727d788a2cb8b904cfc413ed7820f9331 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200023.
Recording identifiers
- ISRC
- NLTR41200023
- Title
- Goldberg Variations Bwv 988, Variatio 22, Alla Breve
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0xb747f05b514230e8fb36fe2887bb3f0727d788a2cb8b904cfc413ed7820f9331
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:12c3877ce3ae68a1bc8998cb4442f730f203a898884744334a4ae894a5d2548c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200023
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Goldberg Variations Bwv 988, Variatio 22, Alla Breve · Machine-readable JSON-LD