ISRC DEF057209063
Verified recording
DEF057209063 is “Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x7c1304885f14a87cf4faa815ce9cadaf2b1c794f5c1c831fcf1e97c61c57c011 and independently timestamped
in Bitcoin block 960285 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209063.
Recording identifiers
- ISRC
- DEF057209063
- Title
- Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x7c1304885f14a87cf4faa815ce9cadaf2b1c794f5c1c831fcf1e97c61c57c011
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:26:40+00:00
- Bitcoin block
- 960285
- Canonical record hash
sha256:db107d3e5535ffd2212bbc2802a3c507280a838ca0cd2de79358e9223fd290f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209063
- Bitcoin block existence check
- https://blockstream.info/api/block/960285
Full record
Track page: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro · Machine-readable JSON-LD