ISRC FRZ141023120
Verified recording
FRZ141023120 is “Cello Concerto in F major, RV 412: II. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x1defebd403d298387728f41c77c651cb362dee8f9e10e74f53ba43146223cfcf and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141023120.
Recording identifiers
- ISRC
- FRZ141023120
- Title
- Cello Concerto in F major, RV 412: II. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x1defebd403d298387728f41c77c651cb362dee8f9e10e74f53ba43146223cfcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:c79b72a98ef19343b8749e20150c4edd02962d3744d2460e109a996367f069d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141023120
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Cello Concerto in F major, RV 412: II. Larghetto · Machine-readable JSON-LD