ISRC NLA506400365
Verified recording
NLA506400365 is “12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 9 in B flat major: 1. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x88e340b2df1ff414cd675771db6f2c9c78260c0a0857bf73c3348f02c69ef5f0 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/NLA506400365.
Recording identifiers
- ISRC
- NLA506400365
- Title
- 12 Violin Concertos, Op. 9 - "La cetra" / Concerto No. 9 in B flat major: 1. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x88e340b2df1ff414cd675771db6f2c9c78260c0a0857bf73c3348f02c69ef5f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:bae83f8e9f75aad39a840b57b19eebc50b2d6a353da21385c1fd3aec91da0da5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506400365
- 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: 1. Allegro · Machine-readable JSON-LD