ISRC NLA460914120
Verified recording
NLA460914120 is “XI. Contrapunctus VIII a 3” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xc99110496442c0b64bfebc76dfbdf326a97e71854de1dd549fc302bdadc43a3b 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/NLA460914120.
Recording identifiers
- ISRC
- NLA460914120
- Title
- XI. Contrapunctus VIII a 3
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xc99110496442c0b64bfebc76dfbdf326a97e71854de1dd549fc302bdadc43a3b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:1ada7ec3002d78a4b0a29412d91cf77603ac6902eaad1521d33ccc1f707634a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914120
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: XI. Contrapunctus VIII a 3 · Machine-readable JSON-LD