ISRC UK2Y21309072
Verified recording
UK2Y21309072 is “Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana"” by Sergei Lemeshev,
registered on the CopyrightChains blockchain with CopyrightID
0x1510f26ef2914aa86f4c84395560d43c48ba0109684977edccf4c5b6f7fbeb43 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309072.
Recording identifiers
- ISRC
- UK2Y21309072
- Title
- Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana"
- Artist
- Sergei Lemeshev
- CopyrightID (CopyrightChains transaction hash)
0x1510f26ef2914aa86f4c84395560d43c48ba0109684977edccf4c5b6f7fbeb43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:45545b2fe1223071b3964ce84d36169440012959f8a3cb2af99c936bf97a23fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309072
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana" · Machine-readable JSON-LD