ISRC NLA506400367
Verified recording
NLA506400367 is “12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 9 in B flat major: 3. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xb3c48bba61b60e559a0a96522b8ba1be31aad3c82f80fa4b10b06d5194324b4c 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/NLA506400367.
Recording identifiers
- ISRC
- NLA506400367
- Title
- 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 9 in B flat major: 3. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xb3c48bba61b60e559a0a96522b8ba1be31aad3c82f80fa4b10b06d5194324b4c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:679aa6a050d7ce18946318ed8f0273db766b246b0ee910fc21996414d106ec98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400367
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 9 in B flat major: 3. Allegro · Machine-readable JSON-LD