ISRC NLA509312219
Verified recording
NLA509312219 is “Prince Igor - Mariinsky Theatre Edition - Act 1: No. 10 Aria: "Zdorov-li knjaz"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x572abe307bbbe859804b3f99a14466cc62f7390da48bf7dea4835c10929aa955 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312219.
Recording identifiers
- ISRC
- NLA509312219
- Title
- Prince Igor - Mariinsky Theatre Edition - Act 1: No. 10 Aria: "Zdorov-li knjaz"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x572abe307bbbe859804b3f99a14466cc62f7390da48bf7dea4835c10929aa955
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:33b370121440a1de7b6a46ec367510d9315866280b71a1c7aace32c09f25e57f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312219
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Act 1: No. 10 Aria: "Zdorov-li knjaz" · Machine-readable JSON-LD