ISRC NLA506400373
Verified recording
NLA506400373 is “12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 11 in C minor, RV198a: 3. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xf6d196780b19d90b538b03ada8d6398b727186a8a9e6f5079b9bc2778bba1e8b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400373.
Recording identifiers
- ISRC
- NLA506400373
- Title
- 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 11 in C minor, RV198a: 3. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xf6d196780b19d90b538b03ada8d6398b727186a8a9e6f5079b9bc2778bba1e8b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2de0bfe52d090c16ca0710c4a3da021e28abdb9499bc606546bc5b895f5351d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400373
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 11 in C minor, RV198a: 3. Allegro · Machine-readable JSON-LD