ISRC NLA509200939
Verified recording
NLA509200939 is “Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 3: Entr'acte” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x3128c0365864ae8fa8a2382d638041c49bc0c54bd6fdfbf9bf1fe4eb1446b974 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200939.
Recording identifiers
- ISRC
- NLA509200939
- Title
- Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 3: Entr'acte
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x3128c0365864ae8fa8a2382d638041c49bc0c54bd6fdfbf9bf1fe4eb1446b974
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:acb9ae726d94aa55b1ea74ac30e5b71a72d0db846fd1bf9403b20a756867c4f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200939
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 3: Entr'acte · Machine-readable JSON-LD