ISRC USB8U1612674
Verified recording
USB8U1612674 is “The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xdccb9244fa1fa975775c102d22a18119b1fb3da12107144e4b14cc68707bae8b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612674.
Recording identifiers
- ISRC
- USB8U1612674
- Title
- The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xdccb9244fa1fa975775c102d22a18119b1fb3da12107144e4b14cc68707bae8b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a18e068409f07ad15a862d80b8e7a45b217e957765990f121dd5c0dad45142dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612674
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo · Machine-readable JSON-LD