One engine. Every industry's receipts.
Dynamic Feed does one thing across forty sectors: it reads a named public source, signs what it read at that moment, and gives you a record anyone can re-check later. Storm claims, spray drift, laytime disputes, model swaps, sanctions screening, grid curtailment. Different fights, same shape. The receipt does not change, the world around it does. Below is the whole blanket: every sector, its evidence question in one line, and where its receipt lives.
The one receipt, signed.
Every card below runs on this. Set a place and a condition the way any contract, policy or label would state it, and Dynamic Feed reads the current value from a named public source, computes the determination, and returns one Ed25519-signed Trigger Receipt with the methodology and the raw reading each hashed. This is the same receipt whether the reader is an insurer, an applicator, a charterer or a fleet operator. Nothing is mocked and nothing is stored about you.
full signed receipt (JSON)
Forty sectors, one pattern.
Each row is one sector from the atlas, its evidence question, and its receipt. Live means a dedicated page you can open right now. Same engine means no dedicated page yet, so the sector uses the shared doors: /answers, /recheck-trigger and /notarize. Not our slice means a sector we hold back from on purpose, with the honest reason.
The dispute changes. The record does not.
Across every one of these sectors the fight has the same shape: after the event, both sides argue from screenshots and internal logs, and there is no fixed point either party can re-check. A contemporaneous record from an independent witness, signed at the moment, carrying its source and observation time, and re-verifiable years later against a published key, is corroboration both sides can run. That is why one engine covers so many industries: we never adjudicate the dispute, we only pin what a named public source said at time T, so the argument moves onto a shared, re-checkable footing. Our records work against us as well as for you, because anyone can re-verify them.
A map of evidence, not a map of verdicts.
Dynamic Feed is a neutral witness, not an adjudicator, a regulator, an insurer or an adviser. No sector on this page has its dispute decided here: each receipt proves what the named public sources reported at the moment it was signed, and that the record has not been altered since. It is one independent input beside the contract, the policy, the party's own records and the official source a contract may name, never a replacement for any of them. Laws, contracts, labels and thresholds vary by sector, product and jurisdiction. Advisory evidence, not certification and not a compliance ruling, tamper-evident not tamper-proof, zero personal data, and not legal advice.
Where to go next.
The curated receipt atlas shows the flagship pages side by side. The receipt engine mints a signed Decision Receipt from any question. Re-check my trigger is the single-condition receipt behind the demo above. Notarize anything anchors a hash you already hold. And Verify a bundle checks any receipt in your own browser. For the doctrine of what we sign and what we refuse to claim, see the principles.
One engine. Every industry's receipts.
Your sector on the same-engine list, or not on the map at all? The engine already reads dozens of named public sources. A new receipt page is one question away, keyless to try, self-serve to scale.