ISRC NLA460914119
Verified recording
NLA460914119 is “X. Contrapunctus VII a 4 per augmentationem et diminutionem” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8854250841a0eb28c80655a830669f4c59c5d2a056660d8615b9cdc13f9c1908 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914119.
Recording identifiers
- ISRC
- NLA460914119
- Title
- X. Contrapunctus VII a 4 per augmentationem et diminutionem
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8854250841a0eb28c80655a830669f4c59c5d2a056660d8615b9cdc13f9c1908
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:152fcf9c06febf43d6a2dad4bb733a724fbf14806fde3469d27a0e59951388d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914119
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: X. Contrapunctus VII a 4 per augmentationem et diminutionem · Machine-readable JSON-LD