ISRC NLG661500269
Verified recording
NLG661500269 is “De Wave” by Sef,
registered on the CopyrightChains blockchain with CopyrightID
0x56b3fc3f555d5e5188ce4d1c392a2be2629bf3d1e7ad7c0b07dc3b9adffa04ad and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG661500269.
Recording identifiers
- ISRC
- NLG661500269
- Title
- De Wave
- Artist
- Sef
- CopyrightID (CopyrightChains transaction hash)
0x56b3fc3f555d5e5188ce4d1c392a2be2629bf3d1e7ad7c0b07dc3b9adffa04ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:9acd7619a7977c5189a059826542a61289a82aac3dd2f738e62f3c16570dd299- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG661500269
- Bitcoin block existence check
- https://blockstream.info/api/block/956889