ISRC DEF057731815
Verified recording
DEF057731815 is “Pique Dame, Op. 68, TH. 10 / Act II: "Moi milenki druzhok"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x42f6906c6596ee7681962eac45bb989c8b53735f71fedfd5a64ba02af351b514 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731815.
Recording identifiers
- ISRC
- DEF057731815
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Moi milenki druzhok"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x42f6906c6596ee7681962eac45bb989c8b53735f71fedfd5a64ba02af351b514
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:caf6a681a5f77dcdfdb88bda14011ba9ed301a9b0ab658f976b4dd80d2a7b10c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731815
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Moi milenki druzhok" · Machine-readable JSON-LD