ISRC NLA508309707
Verified recording
NLA508309707 is “12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 2 in G minor for 2 Violins & Cello, RV 578: 4. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x7d500e1fddb8fbd08bd7a56900e656af6ef0cea5af795c3df700ad292e183207 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508309707.
Recording identifiers
- ISRC
- NLA508309707
- Title
- 12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 2 in G minor for 2 Violins & Cello, RV 578: 4. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x7d500e1fddb8fbd08bd7a56900e656af6ef0cea5af795c3df700ad292e183207
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:00ee91372d90872c0a3b6ccd03cd724a40154c244f28b429d3295f2d2b5aff72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508309707
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 2 in G minor for 2 Violins & Cello, RV 578: 4. Allegro · Machine-readable JSON-LD