ISRC NLA509401502
Verified recording
NLA509401502 is “Bassoon Concerto in F major, RV.491: 2. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x82b127747b1c9f40edf6cf469338d82873dca3e51c8b5b938ba0dc4a7a504d05 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509401502.
Recording identifiers
- ISRC
- NLA509401502
- Title
- Bassoon Concerto in F major, RV.491: 2. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x82b127747b1c9f40edf6cf469338d82873dca3e51c8b5b938ba0dc4a7a504d05
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:b28ac1e9d8992f53d9f4a137703d1886dafd65b8f101fee2a700aaae8fbcbb34- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509401502
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Bassoon Concerto in F major, RV.491: 2. Largo · Machine-readable JSON-LD