ISRC DEF057731816
Verified recording
DEF057731816 is “Pique Dame, Op. 68, TH. 10 / Act II: "Kto pylko i strastno lyubya!" - "Tsaritsa! Yega Veli- chestvo!"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x31105a19f9c7b898a1bb66afbf2f5c3bbaa09067d74cf5d6baf49e36974f10f5 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731816.
Recording identifiers
- ISRC
- DEF057731816
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Kto pylko i strastno lyubya!" - "Tsaritsa! Yega Veli- chestvo!"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x31105a19f9c7b898a1bb66afbf2f5c3bbaa09067d74cf5d6baf49e36974f10f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:fa34b43a745d922687f64223c0b420845d6a9d44a515de2e39160738c5ad0b27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731816
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Kto pylko i strastno lyubya!" - "Tsaritsa! Yega Veli- chestvo!" · Machine-readable JSON-LD