ISRC NLA507800911
Verified recording
NLA507800911 is “Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Siciliano (Largo)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x663f8da8c956af9410d15ada17d842c28e8f17fd4999faa698d2dec816d1f483 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507800911.
Recording identifiers
- ISRC
- NLA507800911
- Title
- Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Siciliano (Largo)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x663f8da8c956af9410d15ada17d842c28e8f17fd4999faa698d2dec816d1f483
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:cac5dfe04347754392885560937d487acb90d7e3169daa0c1e6cf9e4415e3cd7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507800911
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Siciliano (Largo) · Machine-readable JSON-LD