ISRC DEF059103562
Verified recording
DEF059103562 is “Oboe Concerto in C, R.450: 2. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xf0ac4ffa70f6ba858831924a7825c784baff99ab31b0013f7594fc4bad65b040 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103562.
Recording identifiers
- ISRC
- DEF059103562
- Title
- Oboe Concerto in C, R.450: 2. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xf0ac4ffa70f6ba858831924a7825c784baff99ab31b0013f7594fc4bad65b040
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:0d77bc8a4f76b71279bfdd8e0138580a3ec6ab2bfdeedd1e02904f9bad30ef2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103562
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Oboe Concerto in C, R.450: 2. Larghetto · Machine-readable JSON-LD