ISRC NLA509312225
Verified recording
NLA509312225 is “Prince Igor - Mariinsky Theatre Edition - Act 2: No. 13b Recitative and Song: "Natesilsja li Knaz'?"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0xf055277909bb1fefcb5b0473e96c0f38b622b11ecf8f21131999de8e0325aeff and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312225.
Recording identifiers
- ISRC
- NLA509312225
- Title
- Prince Igor - Mariinsky Theatre Edition - Act 2: No. 13b Recitative and Song: "Natesilsja li Knaz'?"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0xf055277909bb1fefcb5b0473e96c0f38b622b11ecf8f21131999de8e0325aeff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:0d8044d1164adf9c3b4dc186ef0949c2e2c6bf9ee643a715cf8410232abc356d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312225
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Act 2: No. 13b Recitative and Song: "Natesilsja li Knaz'?" · Machine-readable JSON-LD