ISRC DEF057731807
Verified recording
DEF057731807 is “Pique Dame, Op. 68, TH. 10 / Act I: "Se non è vero" - "Kak bystro groza nastupila" - "Po- luchish smertelny udar ty"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x3b3bff6f02645e17e6dcaaa27d05b69e9fc940c19eb7961da16bc7f4291b5f3d and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731807.
Recording identifiers
- ISRC
- DEF057731807
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Se non è vero" - "Kak bystro groza nastupila" - "Po- luchish smertelny udar ty"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x3b3bff6f02645e17e6dcaaa27d05b69e9fc940c19eb7961da16bc7f4291b5f3d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:55fa867ae1955101aafc9f2d564feb2815247a6a58d36957bc30738b3289a3a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731807
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Se non è vero" - "Kak bystro groza nastupila" - "Po- luchish smertelny udar ty" · Machine-readable JSON-LD