What free tools does SIREN publish? · Verify
How do you check a SIREN reading yourself?
Every reading ships with a receipt. Press the button and your own browser fetches the last 12 receipts from this origin, re-hashes each one with WebCrypto, and walks the chain. Nothing is sent anywhere, and no account is required.
Every reading is published with a receipt: its inputs, its score, and the hash of the receipt before it. Press the button and your own browser fetches the last 12 receipts, re-hashes each one and walks the chain. Nothing is sent anywhere, and no other doom number lets you do this.
What this proves: the published record has not been edited after the fact. What it does not prove: that the inputs were right. For that, read How the SIREN AI activity index is computed · methodology and the source. The files: this reading’s receipt · every reading.
Cite this reading
SIREN 4 (ROUTINE), composite 56.6 of 100, observed 2026-10-15 05:21:57 UTC. https://siren.watch/moves/2026-10-15T05-21-57Z.html Receipt sha256:a538b5a1261735d2807e561121b4b7f80df856b9f66a40c0fa2217101de5cdae.
The link is permanent: it points at this one reading, not at whatever the level is later. CC BY 4.0.
What does the browser check prove?
The published record has not been edited after the fact. Each receipt re-hashes to the hash it claims and links to the receipt before it.
What does the browser check not prove?
That the inputs were right. For that, read How the SIREN AI activity index is computed · methodology and the source repository. How the SIREN AI activity index is computed · methodology · source.
Where else can you run the same check?
On the home board under the same question, and on the classic instrument panel. This page is the permanent URL for the free tool. AI activity index today · SIREN · Where is the full SIREN instrument panel?.
What questions do people actually ask?
How do you check a SIREN reading yourself?
Every reading ships with a receipt: its inputs, its score, and the hash of the receipt before it. Press the button and your own browser fetches the last 12 receipts, re-hashes each one and walks the chain. Nothing is sent anywhere.
What does the browser check prove?
The published record has not been edited after the fact. Each receipt re-hashes to the hash it claims and links to the receipt before it.
What does the browser check not prove?
That the inputs were right. For that, read How the SIREN AI activity index is computed · methodology and the source repository.
Where else can you run the same check?
On the home board under the same question, and on the classic instrument panel. This page is the permanent URL for the free tool.
What free tools does SIREN publish?
A directory of free instruments — verify, alerts, export, embed, badge, OpenAPI, news sitemap, Search Trends and AI prediction markets — with one honest sentence each.
Does verifying a reading move the SIREN score?
No. The check only reads public JSON already on this origin. It never writes to the index.
Search-shaped sibling: What free tools does SIREN publish? · How do I export and embed SIREN data? · How do I get alerts when SIREN moves? · How the SIREN AI activity index is computed · methodology.