ISRC FRZ131801330
Verified recording
FRZ131801330 is “Concerto for Strings in C Major, RV 117: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x318078a17a488b2e636a4436e1e9f4453b293ea590b8a5c95ae9c53526a7c0d0 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131801330.
Recording identifiers
- ISRC
- FRZ131801330
- Title
- Concerto for Strings in C Major, RV 117: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x318078a17a488b2e636a4436e1e9f4453b293ea590b8a5c95ae9c53526a7c0d0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:8d7ef46306622b6466bf9c21ace24ee43140cd817c7b9543df374e373bafb45b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131801330
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Concerto for Strings in C Major, RV 117: II. Largo · Machine-readable JSON-LD