ISRC UK2Y21309073
Verified recording
UK2Y21309073 is “Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya"” by Sergei Lemeshev,
registered on the CopyrightChains blockchain with CopyrightID
0x545735ee7689413915764c8aed030a5abb1d88d2fcad4a5194af8394d846e952 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309073.
Recording identifiers
- ISRC
- UK2Y21309073
- Title
- Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya"
- Artist
- Sergei Lemeshev
- CopyrightID (CopyrightChains transaction hash)
0x545735ee7689413915764c8aed030a5abb1d88d2fcad4a5194af8394d846e952
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:a94b5a4434bc194dde717273c972740eccf359ccd844d989b98322f3f2405bc9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309073
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya" · Machine-readable JSON-LD