ISRC NLTR41200020
Verified recording
NLTR41200020 is “Goldberg Variations Bwv 988, Variatio 19” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x4844f714bf330bf6fae4773da9f4057868d5121e629818f80a0d76d7605ce543 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/NLTR41200020.
Recording identifiers
- ISRC
- NLTR41200020
- Title
- Goldberg Variations Bwv 988, Variatio 19
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x4844f714bf330bf6fae4773da9f4057868d5121e629818f80a0d76d7605ce543
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:ae39c6bd55ba8424dd7c1140f38922f253438664622ac3a1ab423786ab32e10f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200020
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Goldberg Variations Bwv 988, Variatio 19 · Machine-readable JSON-LD