ISRC UK2Y21800865
Verified recording
UK2Y21800865 is “The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "Otkuda eti slyozy?"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xe2450aaac91272c6ac282498a028570b51a8187adfd3aac98c1166ae21473284 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800865.
Recording identifiers
- ISRC
- UK2Y21800865
- Title
- The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "Otkuda eti slyozy?"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xe2450aaac91272c6ac282498a028570b51a8187adfd3aac98c1166ae21473284
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:99d36139abc1dc7767485c1ce8e8b42809be3382dfbaeaac17884aa19de6df2b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800865
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "Otkuda eti slyozy?" · Machine-readable JSON-LD