ISRC NLA509312213
Verified recording
NLA509312213 is “Prince Igor - Mariinsky Theatre Edition - Act 1: No. 6 Recitative and Cavatina: "Medlenno den'ugasal"” by Alexander Borodin,
registered on the CopyrightChains blockchain with CopyrightID
0x4e6d6f688729906ba667cf402f8690397ca5904584a239058c48b7668963372a and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312213.
Recording identifiers
- ISRC
- NLA509312213
- Title
- Prince Igor - Mariinsky Theatre Edition - Act 1: No. 6 Recitative and Cavatina: "Medlenno den'ugasal"
- Artist
- Alexander Borodin
- CopyrightID (CopyrightChains transaction hash)
0x4e6d6f688729906ba667cf402f8690397ca5904584a239058c48b7668963372a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:1ba2251bb5985d0cbd213571baa0ca6d47147461fa020cef7d4265f91de9ef4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509312213
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Prince Igor - Mariinsky Theatre Edition - Act 1: No. 6 Recitative and Cavatina: "Medlenno den'ugasal" · Machine-readable JSON-LD