ISRC NLA509200937
Verified recording
NLA509200937 is “Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 2: "Yesli kogda nibud"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x6ee0980ec5ad98ba229eb09ddcbbe3f2c03def4d08fb0ccb5385ca6990b3840f and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200937.
Recording identifiers
- ISRC
- NLA509200937
- Title
- Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 2: "Yesli kogda nibud"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x6ee0980ec5ad98ba229eb09ddcbbe3f2c03def4d08fb0ccb5385ca6990b3840f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:415d2c52b2e9dca4e915969f657631edf1eebe4b94e35b9854828b91cc4d2158- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200937
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 2: "Yesli kogda nibud" · Machine-readable JSON-LD