ISRC DEF057731829
Verified recording
DEF057731829 is “Pique Dame, Op. 68, TH. 10 / Act I: "Nu-ka, svetik Mashenka"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x7f22061806b337fe17ef1c6e222d3d9860c8adc549efc1b00e826ac1ed8ce40b and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731829.
Recording identifiers
- ISRC
- DEF057731829
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Nu-ka, svetik Mashenka"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x7f22061806b337fe17ef1c6e222d3d9860c8adc549efc1b00e826ac1ed8ce40b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:b736736d60e8fe9d3b405923e48bb51a899d6a8edc162423676d675fb4d127c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731829
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Nu-ka, svetik Mashenka" · Machine-readable JSON-LD