ISRC DEF058903542
Verified recording
DEF058903542 is “La stravaganza, Violin Concerto in B-Flat Major, RV 383a, Op. 4 No. 1: II. Largo e cantabile” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x4b78df5487eea51c45665f02f6f5b0e07f6e0a520a21261ea92f7dee63a0db90 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903542.
Recording identifiers
- ISRC
- DEF058903542
- Title
- La stravaganza, Violin Concerto in B-Flat Major, RV 383a, Op. 4 No. 1: II. Largo e cantabile
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x4b78df5487eea51c45665f02f6f5b0e07f6e0a520a21261ea92f7dee63a0db90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:069c2e55d1093c7fc2855bec59e2a003ec2c5b6001eb974940f2c0fe261c4514- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903542
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: La stravaganza, Violin Concerto in B-Flat Major, RV 383a, Op. 4 No. 1: II. Largo e cantabile · Machine-readable JSON-LD