ISRC UK2Y21602958

Verified recording

UK2Y21602958 is “Prince Igor, Act II: Vladimir's Recitative and Cavatina "Medlenno den ugasal"” by Alexander Borodin, registered on the CopyrightChains blockchain with CopyrightID 0x817cfeb1ba80dab350286f146e88a71f127285819a9f459a95e444a9464e1bf1 and independently timestamped in Bitcoin block 960427 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21602958.

Recording identifiers

ISRC
UK2Y21602958
Title
Prince Igor, Act II: Vladimir's Recitative and Cavatina "Medlenno den ugasal"
Artist
Alexander Borodin
CopyrightID (CopyrightChains transaction hash)
0x817cfeb1ba80dab350286f146e88a71f127285819a9f459a95e444a9464e1bf1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T15:59:18+00:00
Bitcoin block
960427
Canonical record hash
sha256:f111d037f18c0225ac07d2e64b61d111123c90c50be4587ba46dcb360bb82633
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21602958
Bitcoin block existence check
https://blockstream.info/api/block/960427

Full record

Track page: Prince Igor, Act II: Vladimir's Recitative and Cavatina "Medlenno den ugasal" · Machine-readable JSON-LD