ISRC NLE422201709
Verified recording
NLE422201709 is “Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo, ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xb9dec07e2d86312640cc8c67eb7c36aa7b05d70be28ae2201943218be2197840 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422201709.
Recording identifiers
- ISRC
- NLE422201709
- Title
- Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo, ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xb9dec07e2d86312640cc8c67eb7c36aa7b05d70be28ae2201943218be2197840
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:9b1eec1498b1fc779a38b694b07752976a408aedb44121f4fd27a730d5126890- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422201709
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo, ma non tanto · Machine-readable JSON-LD