ISRC DEF057731809
Verified recording
DEF057731809 is “Pique Dame, Op. 68, TH. 10 / Act I: "Obvorozhitelno!"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x8d4714872efefd1f4e679f5d827ad26596ae1cb35089e191faed74448aa51646 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731809.
Recording identifiers
- ISRC
- DEF057731809
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Obvorozhitelno!"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x8d4714872efefd1f4e679f5d827ad26596ae1cb35089e191faed74448aa51646
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:fa50289e7eee151df7643fe5e253fa217b9d61922371ff2c27a72083e3802623- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731809
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Obvorozhitelno!" · Machine-readable JSON-LD