ISRC NLA506400369
Verified recording
NLA506400369 is “12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 10 in G major, RV300: 2. Largo cantabile” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xd4f8738170cca4c328b2a864121ee2671a3415619f7f69cb01fdf8ec41969b3c 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/NLA506400369.
Recording identifiers
- ISRC
- NLA506400369
- Title
- 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 10 in G major, RV300: 2. Largo cantabile
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xd4f8738170cca4c328b2a864121ee2671a3415619f7f69cb01fdf8ec41969b3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b69b95a198c05a5ed21398718895ec4319f83f011d82ac0546f561a84a416771- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400369
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 10 in G major, RV300: 2. Largo cantabile · Machine-readable JSON-LD