ISRC UK2Y21303663
Verified recording
UK2Y21303663 is “Betrothal in a Monastery, Op. 86, Act I Tableau 1 Scene 8: "Druzya, ukhodite"” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xefd51b5ff95461d6bd4b9ed68dcd09c6f51ad39c27592b2d1f355a349c96a769 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21303663.
Recording identifiers
- ISRC
- UK2Y21303663
- Title
- Betrothal in a Monastery, Op. 86, Act I Tableau 1 Scene 8: "Druzya, ukhodite"
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xefd51b5ff95461d6bd4b9ed68dcd09c6f51ad39c27592b2d1f355a349c96a769
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:da5b080391b088367df89dddd88ac956f4cbca717af3026ac0c03950bc5176b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21303663
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Betrothal in a Monastery, Op. 86, Act I Tableau 1 Scene 8: "Druzya, ukhodite" · Machine-readable JSON-LD