ISRC DEF057731822
Verified recording
DEF057731822 is “Pique Dame, Op. 68, TH. 10 / Act III: "O da, minovali stradanya"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xb7d4b62da84dc81f9d0b0a1546b9f6ade85f782c8ecbdcaff14a03e4b9f02a3a 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/DEF057731822.
Recording identifiers
- ISRC
- DEF057731822
- Title
- Pique Dame, Op. 68, TH. 10 / Act III: "O da, minovali stradanya"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xb7d4b62da84dc81f9d0b0a1546b9f6ade85f782c8ecbdcaff14a03e4b9f02a3a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c2d5f2a8e6a3818d42eb172ac89ab7a41dd8b60e2870ca48d275d6f68109f43f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731822
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act III: "O da, minovali stradanya" · Machine-readable JSON-LD