ISRC NLA507615221
Verified recording
NLA507615221 is “Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 1. Preludio (Grave)” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x4f35999a72f915fd3a8ace482f2a00ab3d8aea11d105139f4b72543033c3550f 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/NLA507615221.
Recording identifiers
- ISRC
- NLA507615221
- Title
- Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 1. Preludio (Grave)
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x4f35999a72f915fd3a8ace482f2a00ab3d8aea11d105139f4b72543033c3550f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ef70b79e30ea205decb5309d1339c1f65b0654ab4e3f6bb9292c329dacfdf76e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507615221
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 1. Preludio (Grave) · Machine-readable JSON-LD