Public witness page · b292d566…48d5 Recorded on chain · block 3 071 721

This record was witnessed on 11 November 2026 at 09:02:33 UTC.

Block 3 071 721 · 1 of 1 signer · Witniumchain

Anyone can check this page. The record itself is not here, only its fingerprint, the time and who signed.

This witness belongs to the news note “Instagram ads delivered iPhone exploits, but no logs show which ad or click.” (People building their own apps with AI tools · November 11, 2026). Its published text, exactly as it stands, is checked against the chain right now. You don't need to paste anything.

Check your own copy

Have a copy of this note yourself? Paste its witnessed text or choose the saved file. The fingerprint is computed in your browser; nothing is uploaded.

Without the browser: shasum -a 256 file on macOS · sha256sum file on Linux · Get-FileHash file on Windows

The record on Witniumchain

Fingerprint (SHA-256)
6f5f296566f5f3d73abde61881fc63c5fc328b896f5b714bbec4a9b3e71a7f2d
Block number
3 071 721
Block time
2026-11-11 09:02:33 UTC
Contract
0xac0b6c3e73d41fa46e6060fd0c04b4e54037db7e
Signers · 1 of 1
Ed25519d18943ec5506988e791315a2ff76340ea2557841dff5b81caafd34694beffc84
Per-witness nonce
ba880a755bc55d268c83cdd83109ea69abfe1ed6783fd408408ed5b2cb6ddeac
Witness id
b292d566113b6af6c62e7566b7c122070081e3fb84293e9b47d1c1d9c9b648d5
Ethereum anchoring
Not shown on this page yetThe chain's blocks are anchored to Ethereum as Merkle roots. The public chain service does not yet publish anchoring per witness, so this page cannot show it.

What this proves

That a record with exactly this fingerprint existed at this time, and that it has not changed since. Anyone can check that without trusting Witnium.

What it does not prove

Who wrote the record, or that what it says is true. A witness keeps the record honest about itself, nothing more.

Check without us

The open verifier @witnium/verify (npm, MIT) checks a verification pack offline and never calls Witnium:

npx @witnium/verify --pack pack.json --trust witnium-trust.json --ethereum-rpc 11155111=https://your-node

The public read API for this witness: api.witniumchain.com/v5/contracts/0xac0b6c3e73d41fa46e6060fd0c04b4e54037db7e/witnesses/b292d566113b6af6c62e7566b7c122070081e3fb84293e9b47d1c1d9c9b648d5

A verification pack and an evidence binder exist for this witness. They are issued by the organization that created it.