ISRC NLTR41200026
Verified recording
NLTR41200026 is “Goldberg Variations Bwv 988, Variatio 25” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0x483e7b14fc38851bb9414501db26fd6a44f6e9ef5fafe8fba916b4a01f1c0939 and independently timestamped
in Bitcoin block 960165 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200026.
Recording identifiers
- ISRC
- NLTR41200026
- Title
- Goldberg Variations Bwv 988, Variatio 25
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0x483e7b14fc38851bb9414501db26fd6a44f6e9ef5fafe8fba916b4a01f1c0939
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:29:40+00:00
- Bitcoin block
- 960165
- Canonical record hash
sha256:031a06fbb1fc909c6939a8acce1e7f3e4f5fe8f9dc88924d029aec739e42d779- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200026
- Bitcoin block existence check
- https://blockstream.info/api/block/960165
Full record
Track page: Goldberg Variations Bwv 988, Variatio 25 · Machine-readable JSON-LD