ISRC DEF059304262
Verified recording
DEF059304262 is “Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La Primavera": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x825a32231872295fac798537ec6bd6ba621f8b7ee58d197292e154bae72049f3 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304262.
Recording identifiers
- ISRC
- DEF059304262
- Title
- Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La Primavera": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x825a32231872295fac798537ec6bd6ba621f8b7ee58d197292e154bae72049f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d04bbf64dded00c1be5276e7ef60fb6bc7ddd5fb44b3c6cb4bf5e6cc629f5563- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304262
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La Primavera": II. Largo · Machine-readable JSON-LD