ISRC UK2Y21700952
Verified recording
UK2Y21700952 is “Three Violin Sonatas, Op. 3 No. 1: I. Marcia maestoso” by Ivan Khandoshkin,
registered on the CopyrightChains blockchain with CopyrightID
0x19038ff1f1c3d88eaa9e32d01a65743bf10b6ab8f564e3849633019da6e953b2 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21700952.
Recording identifiers
- ISRC
- UK2Y21700952
- Title
- Three Violin Sonatas, Op. 3 No. 1: I. Marcia maestoso
- Artist
- Ivan Khandoshkin
- CopyrightID (CopyrightChains transaction hash)
0x19038ff1f1c3d88eaa9e32d01a65743bf10b6ab8f564e3849633019da6e953b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:44a8a9c56d091b747aab2dfceefb2e242d5cf68b9af550b5d977711553a17396- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21700952
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Three Violin Sonatas, Op. 3 No. 1: I. Marcia maestoso · Machine-readable JSON-LD