ISRC NLY331500870
Verified recording
NLY331500870 is “Violin Concerto No. 4 in C Major, RV 173: I. Largo spiccato, allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x616ea275bf7357684b47b1d64addc2c800ef9b682e5eaa21a84bc2e11a085015 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/NLY331500870.
Recording identifiers
- ISRC
- NLY331500870
- Title
- Violin Concerto No. 4 in C Major, RV 173: I. Largo spiccato, allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x616ea275bf7357684b47b1d64addc2c800ef9b682e5eaa21a84bc2e11a085015
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:f0cf1e5fd7b659dd604a21165e657186b76e2164bf22ba4adcf4eb0248b39fdb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331500870
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Violin Concerto No. 4 in C Major, RV 173: I. Largo spiccato, allegro · Machine-readable JSON-LD