ISRC NLF290300003
Verified recording
NLF290300003 is “Het Haringlied” by Richard Hekkert,
registered on the CopyrightChains blockchain with CopyrightID
0xdd28d493029ab1ba28c9692ed8db1a39339cfa4835790ab6082b4924bff52391 and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF290300003.
Recording identifiers
- ISRC
- NLF290300003
- Title
- Het Haringlied
- Artist
- Richard Hekkert
- CopyrightID (CopyrightChains transaction hash)
0xdd28d493029ab1ba28c9692ed8db1a39339cfa4835790ab6082b4924bff52391
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:e23c36dc034e6236d0ad67ee2c93cc45f7311fc222b6ab6f36b7b0950a3f2866- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF290300003
- Bitcoin block existence check
- https://blockstream.info/api/block/960404