ISRC USB8U1612664
Verified recording
USB8U1612664 is “The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x25f75873c580ae0137641e6d229801ee818dd4b06096218632fb180cafdaa65e 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/USB8U1612664.
Recording identifiers
- ISRC
- USB8U1612664
- Title
- The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x25f75873c580ae0137641e6d229801ee818dd4b06096218632fb180cafdaa65e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c91dcb4c0961869220b01b5408f51eac09475b73331a99e05f3b623705503c82- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612664
- 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": I. Allegro · Machine-readable JSON-LD