ISRC NLA506700377
Verified recording
NLA506700377 is “Sonata for Cello and Continuo in F major, R.41: 1. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xf407c95075a17ab177439a0dfa59574c92e48281adac5bd5ce122f65d5118d09 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/NLA506700377.
Recording identifiers
- ISRC
- NLA506700377
- Title
- Sonata for Cello and Continuo in F major, R.41: 1. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xf407c95075a17ab177439a0dfa59574c92e48281adac5bd5ce122f65d5118d09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1125be25642b29079fe689107a30adeb77a628f00eaa902c451e6b08d660b6f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506700377
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sonata for Cello and Continuo in F major, R.41: 1. Largo · Machine-readable JSON-LD