ISRC DEF057731813
Verified recording
DEF057731813 is “Pique Dame, Op. 68, TH. 10 / Act II: "Vy tak pechalny"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x7423116f872350632387bc7862a9fb8556067d895d81f8c69ebf0dbcc4ea5117 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731813.
Recording identifiers
- ISRC
- DEF057731813
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Vy tak pechalny"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x7423116f872350632387bc7862a9fb8556067d895d81f8c69ebf0dbcc4ea5117
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:11c04b02cf6016457dc7e67914a2bf9d4add5b0afafcc1a1d625a0a30f9d887b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731813
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Vy tak pechalny" · Machine-readable JSON-LD