ISRC NLD681303293
Verified recording
NLD681303293 is “Matthäus Passion, BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach” by Pieter Jan Leusink,
registered on the CopyrightChains blockchain with CopyrightID
0xa796e5a30a2715800b45008874d3573d3437744dc589c301c1a26d65b4799677 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/NLD681303293.
Recording identifiers
- ISRC
- NLD681303293
- Title
- Matthäus Passion, BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach
- Artist
- Pieter Jan Leusink
- CopyrightID (CopyrightChains transaction hash)
0xa796e5a30a2715800b45008874d3573d3437744dc589c301c1a26d65b4799677
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5e16d11cf7933bf1a237d5ef499cc08bc2f5ad6ae88a623f68db44afd64c2d58- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303293
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Matthäus Passion, BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach · Machine-readable JSON-LD