ISRC NLA509312220
Verified recording
NLA509312220 is “Prince Igor - Mariinsky Theatre Edition - Act 1: "O net, net, drug"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0xb07cb2ddc92ff732669e4c16b5735ab4204c3b7d6807f6bf95872a4ac72a6516 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/NLA509312220.
Recording identifiers
- ISRC
- NLA509312220
- Title
- Prince Igor - Mariinsky Theatre Edition - Act 1: "O net, net, drug"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0xb07cb2ddc92ff732669e4c16b5735ab4204c3b7d6807f6bf95872a4ac72a6516
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:1dad47c7bb66d9630cbc950241a3a7da984eee65830a2f37d2d59bbfc64536c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312220
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Act 1: "O net, net, drug" · Machine-readable JSON-LD