ISRC NLA506400372
Verified recording
NLA506400372 is “12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 11 in C minor, RV198a: 2. Adagio” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x935d807b9c8e8bad6c68612f75b75c73ff7ef23fd4f207c7c0ce164a38505e9b 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/NLA506400372.
Recording identifiers
- ISRC
- NLA506400372
- Title
- 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 11 in C minor, RV198a: 2. Adagio
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x935d807b9c8e8bad6c68612f75b75c73ff7ef23fd4f207c7c0ce164a38505e9b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f245b98fc433a28dca39c64d19a3ab8af6c8819be945e9ec40d4a1eded409b7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400372
- 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: 2. Adagio · Machine-readable JSON-LD