ISRC DEF057731831
Verified recording
DEF057731831 is “Pique Dame, Op. 68, TH. 10 / Act I: "Ne nado zatvorit"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xb99cf72158aac13dbbf5c52ca0c47cc79da83f2de66b1fda310757283b81e572 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/DEF057731831.
Recording identifiers
- ISRC
- DEF057731831
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Ne nado zatvorit"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xb99cf72158aac13dbbf5c52ca0c47cc79da83f2de66b1fda310757283b81e572
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d529869b6a5384b07b0649dc9331d335560291071ea6625c75cbdd69c922a58f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731831
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Ne nado zatvorit" · Machine-readable JSON-LD