ISRC NLA509312216
Verified recording
NLA509312216 is “Prince Igor - Mariinsky Theatre Edition - Act 1: "Nu ctoz otec tvoj?"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x9419bb3330741b6cbf88b5c6040b2be894496e855eafcb4834b08c41a122bd54 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312216.
Recording identifiers
- ISRC
- NLA509312216
- Title
- Prince Igor - Mariinsky Theatre Edition - Act 1: "Nu ctoz otec tvoj?"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x9419bb3330741b6cbf88b5c6040b2be894496e855eafcb4834b08c41a122bd54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:77ed8ed4e1a23fe3ccbd3709eb7b03b60537e8537b73311deeebebc192c4ca8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312216
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Act 1: "Nu ctoz otec tvoj?" · Machine-readable JSON-LD