ISRC DEF057731846
Verified recording
DEF057731846 is “Pique Dame, Op. 68, TH. 10 / Act III: "Tak v nenastnye dni"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x8e690245d6848185f223f27ec569df8f8a683c4c5a1eafd2bfb09165468e8c68 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/DEF057731846.
Recording identifiers
- ISRC
- DEF057731846
- Title
- Pique Dame, Op. 68, TH. 10 / Act III: "Tak v nenastnye dni"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x8e690245d6848185f223f27ec569df8f8a683c4c5a1eafd2bfb09165468e8c68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6a65b814680752f1471bdfccd28282b4623c10c19c7a4e35d45051ee6bf1f560- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731846
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act III: "Tak v nenastnye dni" · Machine-readable JSON-LD