ISRC NOX9X3354406
Verified recording
NOX9X3354406 is “Lento (From Sonata in E Minor)” by Aage Kvalbein,
registered on the CopyrightChains blockchain with CopyrightID
0x22891d1279a0a9dfbb95b61a5d3b3ca1fe5f16514c36fc102dcbb78d939f3b13 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOX9X3354406.
Recording identifiers
- ISRC
- NOX9X3354406
- Title
- Lento (From Sonata in E Minor)
- Artist
- Aage Kvalbein
- CopyrightID (CopyrightChains transaction hash)
0x22891d1279a0a9dfbb95b61a5d3b3ca1fe5f16514c36fc102dcbb78d939f3b13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:4008fc7871d080b05ab4b57ebfb721821a51a4a56c46d0be3086b4390cbf9ad2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOX9X3354406
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Lento (From Sonata in E Minor) · Machine-readable JSON-LD