ISRC NLD681300794
Verified recording
NLD681300794 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
0x4cce06d1ddfd40a644c16df05d813473248dec4b23c9b93085967fa904451cf6 and independently timestamped
in Bitcoin block 957041 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681300794.
Recording identifiers
- ISRC
- NLD681300794
- Title
- Matthäus Passion - BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach
- Artist
- Pieter Jan Leusink
- CopyrightID (CopyrightChains transaction hash)
0x4cce06d1ddfd40a644c16df05d813473248dec4b23c9b93085967fa904451cf6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:25:45+00:00
- Bitcoin block
- 957041
- Canonical record hash
sha256:7a0039b04da536d18e3d13976e336d2db6243f698fc9d4de351d134fb36cc014- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681300794
- Bitcoin block existence check
- https://blockstream.info/api/block/957041
Full record
Track page: Matthäus Passion - BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach · Machine-readable JSON-LD