ISRC DEF057731826
Verified recording
DEF057731826 is “Pique Dame, Op. 68, TH. 10 / Act I: "Chem konchilas vchera igra?"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x57afc9b86847c7eed01803226dc4f4bb96da3bf61e852b377fdde0f76fb1f079 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731826.
Recording identifiers
- ISRC
- DEF057731826
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Chem konchilas vchera igra?"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x57afc9b86847c7eed01803226dc4f4bb96da3bf61e852b377fdde0f76fb1f079
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:84e3f4223e082e4e1750f73f178f227c08582d7c5b8e6c1129f6e4a78d9d0183- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731826
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Chem konchilas vchera igra?" · Machine-readable JSON-LD