ISRC NLA507509602
Verified recording
NLA507509602 is “12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 8 in A Minor for 2 Violins, RV 522: 2. Larghetto e spirituoso” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xec0583d00541d819d6d24c446e068043a574f9ddec2e471cedeb8df1055c4b01 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507509602.
Recording identifiers
- ISRC
- NLA507509602
- Title
- 12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 8 in A Minor for 2 Violins, RV 522: 2. Larghetto e spirituoso
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xec0583d00541d819d6d24c446e068043a574f9ddec2e471cedeb8df1055c4b01
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:42f8fb93a4a3f1b2ffe0f65bc4e4281c0310d0ed1634c7fa2381f84c553a4761- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507509602
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: 12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 8 in A Minor for 2 Violins, RV 522: 2. Larghetto e spirituoso · Machine-readable JSON-LD