ISRC NLA509312203
Verified recording
NLA509312203 is “Prince Igor - Mariinsky Theatre Edition - Prologue: "Idem na bran's vragom Rusi!"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x37cb0dd4f0c1fc0d98b4dd0fbd87b6c7d922ed6e737ff7649c1b5a47074bb264 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/NLA509312203.
Recording identifiers
- ISRC
- NLA509312203
- Title
- Prince Igor - Mariinsky Theatre Edition - Prologue: "Idem na bran's vragom Rusi!"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x37cb0dd4f0c1fc0d98b4dd0fbd87b6c7d922ed6e737ff7649c1b5a47074bb264
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3dbdeeb994fd410f19fefbeaf244926219a302fcc38aad27848ed926516cac41- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312203
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Prologue: "Idem na bran's vragom Rusi!" · Machine-readable JSON-LD