ISRC NLA508803401
Verified recording
NLA508803401 is “12 Violin Concertos, Op. 4 - "La stravaganza" - Rev. Ephrikian / Concerto No. 1 in B flat major, RV 383a: 1. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x627d7ef0b80d67050a9dfcecdc2b3d6f569929189a175220a9f9a175624bfb93 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508803401.
Recording identifiers
- ISRC
- NLA508803401
- Title
- 12 Violin Concertos, Op. 4 - "La stravaganza" - Rev. Ephrikian / Concerto No. 1 in B flat major, RV 383a: 1. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x627d7ef0b80d67050a9dfcecdc2b3d6f569929189a175220a9f9a175624bfb93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:1edd1da92f68fad507dd5b4fc4020be65eda3cc6a8040cb5e4187e6c05eec155- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508803401
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 12 Violin Concertos, Op. 4 - "La stravaganza" - Rev. Ephrikian / Concerto No. 1 in B flat major, RV 383a: 1. Allegro · Machine-readable JSON-LD