ISRC NLA509200916
Verified recording
NLA509200916 is “Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Ne nado zatvorit"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x263a6fc6f0e75d174baf55bb4c3a4461b29e289bbf242ff2df93675c70c2a0f9 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200916.
Recording identifiers
- ISRC
- NLA509200916
- Title
- Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Ne nado zatvorit"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x263a6fc6f0e75d174baf55bb4c3a4461b29e289bbf242ff2df93675c70c2a0f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:226875cf3c0a5772494bbc87aa0701d70c79c9fe25b611b74de96f6b2cd60a31- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200916
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Ne nado zatvorit" · Machine-readable JSON-LD