ISRC NLA509200921
Verified recording
NLA509200921 is “Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "O poshchadi menya!"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xa0554757b8d4c8e1b116200ab4a56ac92d4fca47b98371cb11e7c53787d0b524 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200921.
Recording identifiers
- ISRC
- NLA509200921
- Title
- Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "O poshchadi menya!"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xa0554757b8d4c8e1b116200ab4a56ac92d4fca47b98371cb11e7c53787d0b524
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:1aef9c0cbb4fd87670d7c4eaa83eb59263079b7492e3c4738d68b6e3c0db23fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200921
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "O poshchadi menya!" · Machine-readable JSON-LD