ISRC UK2Y21800873
Verified recording
UK2Y21800873 is “The Queen of Spades, Op. 68, Act II Scene 3: Scene and Yeletsky's Aria "Vy tak pechalny"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xb5ff405325a41c537d345f63252b4c6ee00b4ffefba2bee89e76040717f6fd9f 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/UK2Y21800873.
Recording identifiers
- ISRC
- UK2Y21800873
- Title
- The Queen of Spades, Op. 68, Act II Scene 3: Scene and Yeletsky's Aria "Vy tak pechalny"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xb5ff405325a41c537d345f63252b4c6ee00b4ffefba2bee89e76040717f6fd9f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9bb43dcd5b475c48dff7f2eb6e3ec815ce049d2724e8cf3b65570f3d9d50c484- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21800873
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Queen of Spades, Op. 68, Act II Scene 3: Scene and Yeletsky's Aria "Vy tak pechalny" · Machine-readable JSON-LD