ISRC NLA506700379
Verified recording
NLA506700379 is “Sonata for Cello and Continuo in F major, R.41: 3. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x433040d60efd20e558f764afcaa0b2ee3714b786b1ff50d0920a3ed5e074ff04 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/NLA506700379.
Recording identifiers
- ISRC
- NLA506700379
- Title
- Sonata for Cello and Continuo in F major, R.41: 3. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x433040d60efd20e558f764afcaa0b2ee3714b786b1ff50d0920a3ed5e074ff04
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9a6650ea7c75326c1a7e262daf229bf58516cb8c9d2b0786e917e4f3aa85b506- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506700379
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sonata for Cello and Continuo in F major, R.41: 3. Largo · Machine-readable JSON-LD