ISRC NLA508600411
Verified recording
NLA508600411 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
0xb17bae36c1d7f18b7e84952023a734da17fb9592fcc1582dbbb76215fe55805d and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508600411.
Recording identifiers
- ISRC
- NLA508600411
- 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)
0xb17bae36c1d7f18b7e84952023a734da17fb9592fcc1582dbbb76215fe55805d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:5506d5f1a7eeb73f0727621c1a22ea45eea3250c223c0573514f096a5cc64f8b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508600411
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
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