ISRC UK2Y21800894
Verified recording
UK2Y21800894 is “The Queen of Spades, Op. 68, Act III Scene 6: Scene and Duet "O da, minovali stradaniya"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x0c201141d2c36753b1f07874f8e7f29e7a57580cbbd878b220831e1af74aeda1 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/UK2Y21800894.
Recording identifiers
- ISRC
- UK2Y21800894
- Title
- The Queen of Spades, Op. 68, Act III Scene 6: Scene and Duet "O da, minovali stradaniya"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x0c201141d2c36753b1f07874f8e7f29e7a57580cbbd878b220831e1af74aeda1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3d98ddf23b462bb6afd3dac2c2abcbaabcf1f9c22fefdcc005648004a7a571aa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800894
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Queen of Spades, Op. 68, Act III Scene 6: Scene and Duet "O da, minovali stradaniya" · Machine-readable JSON-LD