ISRC USB8U1612665
Verified recording
USB8U1612665 is “The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x14a08164a06d2bf3037d41b86970d1ca3e3854a6b1136571e593b618bd0d8707 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/USB8U1612665.
Recording identifiers
- ISRC
- USB8U1612665
- Title
- The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x14a08164a06d2bf3037d41b86970d1ca3e3854a6b1136571e593b618bd0d8707
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4cb06824db860f42426915ad1cb017dd6e01365484241bdcef9a145ca1c5e6d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612665
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre · Machine-readable JSON-LD