ISRC NLD681303304
Verified recording
NLD681303304 is “Matthäus Passion, BWV 244: Aria (Alto) Ach! Nun ist mein Jesus hin! / (Chorus): Wo ist denn dein Freund” by Pieter Jan Leusink,
registered on the CopyrightChains blockchain with CopyrightID
0x5a80569adc99be2ba27c804eb2ce0f007f6d8b9220ac6d07ec5c453176899488 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303304.
Recording identifiers
- ISRC
- NLD681303304
- Title
- Matthäus Passion, BWV 244: Aria (Alto) Ach! Nun ist mein Jesus hin! / (Chorus): Wo ist denn dein Freund
- Artist
- Pieter Jan Leusink
- CopyrightID (CopyrightChains transaction hash)
0x5a80569adc99be2ba27c804eb2ce0f007f6d8b9220ac6d07ec5c453176899488
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5649c1e363aca333b26967c38410f4f3c49bc4270a35bb4ee820fd202509285a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303304
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Matthäus Passion, BWV 244: Aria (Alto) Ach! Nun ist mein Jesus hin! / (Chorus): Wo ist denn dein Freund · Machine-readable JSON-LD