ISRC NLWK31400029
Verified recording
NLWK31400029 is “Doctor Doctor” by Thomas Zwijsen,
registered on the CopyrightChains blockchain with CopyrightID
0x1750ce8b1446a21f9d1dfcb7112bb9567e3d11e5c30761c077382dc939423e07 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31400029.
Recording identifiers
- ISRC
- NLWK31400029
- Title
- Doctor Doctor
- Artist
- Thomas Zwijsen
- CopyrightID (CopyrightChains transaction hash)
0x1750ce8b1446a21f9d1dfcb7112bb9567e3d11e5c30761c077382dc939423e07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:26358d50d570879f504ad73b2a428122587c947810873b1daca90063af222c43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31400029
- Bitcoin block existence check
- https://blockstream.info/api/block/960160