ISRC FR7JM1770150
Verified recording
FR7JM1770150 is “Cello Sonata in B-Flat Major, RV 45: III. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x13991db40c5d8a6513fa440dbc272ddac035834f94b513b2723d666e08e3fe11 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770150.
Recording identifiers
- ISRC
- FR7JM1770150
- Title
- Cello Sonata in B-Flat Major, RV 45: III. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x13991db40c5d8a6513fa440dbc272ddac035834f94b513b2723d666e08e3fe11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:2779d0a434e0e2332ebba39d8da0fc71ebe52b04f26622ca8fe6663625a6fe21- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770150
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Cello Sonata in B-Flat Major, RV 45: III. Largo · Machine-readable JSON-LD