ISRC NLTR41200005
Verified recording
NLTR41200005 is “Goldberg Variations Bwv 988, Variatio 4” by Calefax Reed Quintet,
registered on the CopyrightChains blockchain with CopyrightID
0xf1dfc85a99b09d87a71f441679497c0af14fc4709ca86d7755436385c3dd79cd and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200005.
Recording identifiers
- ISRC
- NLTR41200005
- Title
- Goldberg Variations Bwv 988, Variatio 4
- Artist
- Calefax Reed Quintet
- CopyrightID (CopyrightChains transaction hash)
0xf1dfc85a99b09d87a71f441679497c0af14fc4709ca86d7755436385c3dd79cd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:46f7c50a8dad257c8b614f12902981d53404754659429a62b0a8eb8788ab9264- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLTR41200005
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Goldberg Variations Bwv 988, Variatio 4 · Machine-readable JSON-LD