ISRC NLA508309706
Verified recording
NLA508309706 is “12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 2 in G minor for 2 Violins & Cello, RV 578: 3. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x4149eb8da203689c8fb141bf4645feea47fd4de3afcfc129faac8b9bd3e1750d 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/NLA508309706.
Recording identifiers
- ISRC
- NLA508309706
- Title
- 12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 2 in G minor for 2 Violins & Cello, RV 578: 3. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x4149eb8da203689c8fb141bf4645feea47fd4de3afcfc129faac8b9bd3e1750d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:c0a37528d0606a207b0a1db5fdbb36369c286afa95c9658781e258017d6d35e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508309706
- 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: 3. Larghetto · Machine-readable JSON-LD