ISRC NLK4J1900004
Verified recording
NLK4J1900004 is “Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 1. [No Tempo Indication] (performed on two pianos)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x6935f39548d85aac1119adffa176874a1ad48b29d542e349281fbd6dfa9129a4 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900004.
Recording identifiers
- ISRC
- NLK4J1900004
- Title
- Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 1. [No Tempo Indication] (performed on two pianos)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x6935f39548d85aac1119adffa176874a1ad48b29d542e349281fbd6dfa9129a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:963e07b2699b8123bf7b2b9fe2eb6568ba716d61fdd1520f2fd35ea2695d0914- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900004
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 1. [No Tempo Indication] (performed on two pianos) · Machine-readable JSON-LD