ISRC NLG620619747
Verified recording
NLG620619747 is “Leer mij O Heer, Uw lijden recht betrachten” by Willem Hendrik Zwart,
registered on the CopyrightChains blockchain with CopyrightID
0x29c55b77077fa6640a7db7d4b93fedeb1502bb903e73bceb2dfbb796a9c8b17e and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620619747.
Recording identifiers
- ISRC
- NLG620619747
- Title
- Leer mij O Heer, Uw lijden recht betrachten
- Artist
- Willem Hendrik Zwart
- CopyrightID (CopyrightChains transaction hash)
0x29c55b77077fa6640a7db7d4b93fedeb1502bb903e73bceb2dfbb796a9c8b17e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:c8b2ec2d6207a1ef8bda8f0b1bc5dad64850a3d6d5e6f32c62dde8be4345927d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620619747
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Leer mij O Heer, Uw lijden recht betrachten · Machine-readable JSON-LD