ISRC DEF057209041
Verified recording
DEF057209041 is “Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): I. Andante” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x7ba040fcc36b25f5579df35ab5922fbc9afca96c3b36ce44ff5d3de71959cc96 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209041.
Recording identifiers
- ISRC
- DEF057209041
- Title
- Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): I. Andante
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x7ba040fcc36b25f5579df35ab5922fbc9afca96c3b36ce44ff5d3de71959cc96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:f69ddfd1808b94f519e5a3ad85174f4d9a57077f1cbfcac0e3b4baa1b688b015- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209041
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): I. Andante · Machine-readable JSON-LD