ISRC USRDG0227317
Verified recording
USRDG0227317 is “The Four Seasons: Violin Concerto No. 4 in F Minor, "Winter": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x200f9fbd90cc70133f3aaf156bce19479548bad1431b22093c1f0064614c2062 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0227317.
Recording identifiers
- ISRC
- USRDG0227317
- Title
- The Four Seasons: Violin Concerto No. 4 in F Minor, "Winter": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x200f9fbd90cc70133f3aaf156bce19479548bad1431b22093c1f0064614c2062
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f7e06d20dba78686639e7a341aeddf86a86802d3597e596b786eb2cf7443a177- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0227317
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Four Seasons: Violin Concerto No. 4 in F Minor, "Winter": II. Largo · Machine-readable JSON-LD