ISRC UK2Y21700174
Verified recording
UK2Y21700174 is “2 Russian Songs with Variations, Op. 4: No. 2, What I Lose, I Love” by Ivan Khandoshkin,
registered on the CopyrightChains blockchain with CopyrightID
0x9987042a5fa0c8672d0ed5e1ab9b92642be7af96ac79026f72eda7f406c154c2 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21700174.
Recording identifiers
- ISRC
- UK2Y21700174
- Title
- 2 Russian Songs with Variations, Op. 4: No. 2, What I Lose, I Love
- Artist
- Ivan Khandoshkin
- CopyrightID (CopyrightChains transaction hash)
0x9987042a5fa0c8672d0ed5e1ab9b92642be7af96ac79026f72eda7f406c154c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:9538b10334ed69b637142d47c0a90cd64c9fb371352e2cdeaeaf499a1ff8a4f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21700174
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: 2 Russian Songs with Variations, Op. 4: No. 2, What I Lose, I Love · Machine-readable JSON-LD