ISRC NLG620602581
Verified recording
NLG620602581 is “Fantasy and March on National Dutch Anthem, The Woilhelmus / Prayer from Psalm 134 "Praise the Lord"” by Willem Hendrik Zwart,
registered on the CopyrightChains blockchain with CopyrightID
0xf3c676741901d5fe99367a1658c4ccfecfb966110e63d33a3141c182010b962b 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/NLG620602581.
Recording identifiers
- ISRC
- NLG620602581
- Title
- Fantasy and March on National Dutch Anthem, The Woilhelmus / Prayer from Psalm 134 "Praise the Lord"
- Artist
- Willem Hendrik Zwart
- CopyrightID (CopyrightChains transaction hash)
0xf3c676741901d5fe99367a1658c4ccfecfb966110e63d33a3141c182010b962b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1776fb8a2da4226e3620090ac8463dff4825e49ba3b795680a39ee861ef70a90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620602581
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Fantasy and March on National Dutch Anthem, The Woilhelmus / Prayer from Psalm 134 "Praise the Lord" · Machine-readable JSON-LD