ISRC NLHR52179735
Verified recording
NLHR52179735 is “Jorijn van Hese - Letter Duet - Euphonium Duet with Piano Accompaniment” by Matonizz,
registered on the CopyrightChains blockchain with CopyrightID
0x09550bbae519e0a7e7708b316f128cb19aecd43643778d3bd38bdf44c244576e 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/NLHR52179735.
Recording identifiers
- ISRC
- NLHR52179735
- Title
- Jorijn van Hese - Letter Duet - Euphonium Duet with Piano Accompaniment
- Artist
- Matonizz
- CopyrightID (CopyrightChains transaction hash)
0x09550bbae519e0a7e7708b316f128cb19aecd43643778d3bd38bdf44c244576e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:879e3d08403e817b36d32f7e40659ad73655aca99dd88bf27a7ce2bd5b55f845- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52179735
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Jorijn van Hese - Letter Duet - Euphonium Duet with Piano Accompaniment · Machine-readable JSON-LD