ISRC NLA508600402
Verified recording
NLA508600402 is “Concerto For 2 Violins, Strings, And Continuo In D Minor, BWV 1043: 2. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xe32dbf2735635593421d3979a20b178471dba140246d0ffc9e616b2d78d8201d and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508600402.
Recording identifiers
- ISRC
- NLA508600402
- Title
- Concerto For 2 Violins, Strings, And Continuo In D Minor, BWV 1043: 2. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xe32dbf2735635593421d3979a20b178471dba140246d0ffc9e616b2d78d8201d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:c6b60284cf366a8ea8c37a51d834ca5c5b5713941c485e3261d7f89deecd9f9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508600402
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Concerto For 2 Violins, Strings, And Continuo In D Minor, BWV 1043: 2. Largo ma non tanto · Machine-readable JSON-LD