ISRC NLG620611703
Verified recording
NLG620611703 is “Wilhelmus - Vers 1 en 6” by Het Holland Koor,
registered on the CopyrightChains blockchain with CopyrightID
0xf176d5df99ebcb7d266689bbbcb8236a3ae0a43848f750fb76bb4e5ce4f54fe8 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620611703.
Recording identifiers
- ISRC
- NLG620611703
- Title
- Wilhelmus - Vers 1 en 6
- Artist
- Het Holland Koor
- CopyrightID (CopyrightChains transaction hash)
0xf176d5df99ebcb7d266689bbbcb8236a3ae0a43848f750fb76bb4e5ce4f54fe8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:0e882a9bb0d7269f269a401967a2211515a80b9fd5820e5c0eac2f64aac4d1aa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620611703
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Wilhelmus - Vers 1 en 6 · Machine-readable JSON-LD