ISRC DEF058104792
Verified recording
DEF058104792 is “The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo e pianissimo sempre” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xfa42c4377ee124df7b90c67229613bed39300db8572fa5e12fe25509810d4104 and independently timestamped
in Bitcoin block 960179 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058104792.
Recording identifiers
- ISRC
- DEF058104792
- Title
- The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo e pianissimo sempre
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xfa42c4377ee124df7b90c67229613bed39300db8572fa5e12fe25509810d4104
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:39:11+00:00
- Bitcoin block
- 960179
- Canonical record hash
sha256:45b2a1af0279609e0e2bdc1245aed2bc92f7cb9235c3f74dee5e706c4e3bb06e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058104792
- Bitcoin block existence check
- https://blockstream.info/api/block/960179
Full record
Track page: The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo e pianissimo sempre · Machine-readable JSON-LD