ISRC NLA509002011
Verified recording
NLA509002011 is “Cello Sonata in B flat major, RV 46: 1. Preludio (Largo)” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x1b8ae575fd69aafaa3d82a414bb1e514eb0e3ff2824a8fbc14fb5cf8120db099 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509002011.
Recording identifiers
- ISRC
- NLA509002011
- Title
- Cello Sonata in B flat major, RV 46: 1. Preludio (Largo)
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x1b8ae575fd69aafaa3d82a414bb1e514eb0e3ff2824a8fbc14fb5cf8120db099
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:6a351305689779922b9220e335db3b551c5975cf965325dc24f02dcfe9f4c16e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509002011
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Cello Sonata in B flat major, RV 46: 1. Preludio (Largo) · Machine-readable JSON-LD