ISRC UK2Y21800879
Verified recording
UK2Y21800879 is “The Queen of Spades, Op. 68, Act II Scene 3: Finale "Kak ty mila"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xae26095739d88c211522607bcd761a0dd6a2f9b95ef6edd7cbb7698202526cc6 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/UK2Y21800879.
Recording identifiers
- ISRC
- UK2Y21800879
- Title
- The Queen of Spades, Op. 68, Act II Scene 3: Finale "Kak ty mila"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xae26095739d88c211522607bcd761a0dd6a2f9b95ef6edd7cbb7698202526cc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1e9940f8a2f032309d0c10d7a235dfa086ff519ae85839a4fea3467517164ec9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800879
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Queen of Spades, Op. 68, Act II Scene 3: Finale "Kak ty mila" · Machine-readable JSON-LD