ISRC NLK4J1900005

Verified recording

NLK4J1900005 is “Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 2. Adagio ovvero Largo (performed on two pianos)” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0x71484702d215e53b47f78e9739e35c32994356e9447b358fb5cd5f8d93fdcc79 and independently timestamped in Bitcoin block 953515 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900005.

Recording identifiers

ISRC
NLK4J1900005
Title
Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 2. Adagio ovvero Largo (performed on two pianos)
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0x71484702d215e53b47f78e9739e35c32994356e9447b358fb5cd5f8d93fdcc79

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06+00:00
Bitcoin block
953515
Canonical record hash
sha256:6c9d0a2bda254ec31ae22036a0e260bbd419c2213883f951659cd4e1147e62c2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900005
Bitcoin block existence check
https://blockstream.info/api/block/953515

Full record

Track page: Concerto for 2 Harpsichords, Strings & Continuo in C Major, BWV 1061: 2. Adagio ovvero Largo (performed on two pianos) · Machine-readable JSON-LD