ISRC DEF057731827
Verified recording
DEF057731827 is “Pique Dame, Op. 68, TH. 10 / Act I: "Kakaya vedma"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xc9b7d016ec99c0e9e7b4965dcadaba26e41cb1bc2072c62cd156680558cc1e8a and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731827.
Recording identifiers
- ISRC
- DEF057731827
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Kakaya vedma"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xc9b7d016ec99c0e9e7b4965dcadaba26e41cb1bc2072c62cd156680558cc1e8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:1dfe2f2dd974c377b9879575b8e09b1f4122aa3e1ec591d347a151bb3afb78d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731827
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Kakaya vedma" · Machine-readable JSON-LD