ISRC UK2Y21800857
Verified recording
UK2Y21800857 is “The Queen of Spades, Op. 68, Act I Scene 1: Scene and Tomsky's Ballade "Odnazhdy v Versale"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x66708710d3a14316b49b34e9b7e48c1317c8de9e27f882fbb5a6a8e2a591ef70 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/UK2Y21800857.
Recording identifiers
- ISRC
- UK2Y21800857
- Title
- The Queen of Spades, Op. 68, Act I Scene 1: Scene and Tomsky's Ballade "Odnazhdy v Versale"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x66708710d3a14316b49b34e9b7e48c1317c8de9e27f882fbb5a6a8e2a591ef70
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d49e8fc51ea884318b6ded54e7356258c0775ebd9c54f2171c858a2003278587- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800857
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Queen of Spades, Op. 68, Act I Scene 1: Scene and Tomsky's Ballade "Odnazhdy v Versale" · Machine-readable JSON-LD