ISRC NLB151600425
Verified recording
NLB151600425 is “Violin Concerto No. 1 in E Major, RV 269 "La Primavera" (Spring): II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x1cabf26713153657f8bd8d12bf017905bc3a05d7e230ec4ebee5785a3f6574ab and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151600425.
Recording identifiers
- ISRC
- NLB151600425
- Title
- Violin Concerto No. 1 in E Major, RV 269 "La Primavera" (Spring): II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x1cabf26713153657f8bd8d12bf017905bc3a05d7e230ec4ebee5785a3f6574ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:ab62be24c617aca07be051d6016fa614f7b5fd0317c4a7ceebfe680d0d4b96f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151600425
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: Violin Concerto No. 1 in E Major, RV 269 "La Primavera" (Spring): II. Largo · Machine-readable JSON-LD