ISRC NLY331406832
Verified recording
NLY331406832 is “Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x1d6697de000e876fc5bf5bb7a57d5cebbdad8e337dd4ef657ede347983a3f11a and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406832.
Recording identifiers
- ISRC
- NLY331406832
- Title
- Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x1d6697de000e876fc5bf5bb7a57d5cebbdad8e337dd4ef657ede347983a3f11a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:aafcaf8e33b786a63a8de71bb438586d9ce18eadd9566c48ee5a5d5588e16377- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406832
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD