PRF-UK-A-000231

One farmer's result.
Followed for a whole year.

One farmer works 180 hectares in the East of England. This is the story of one thing he tried, written down once — and everyone who ended up relying on it, from his bank to a supermarket label.

synthetic scenario · about 90 seconds · swipe or use the arrows

First — why this matters

Farming runs on trust.
But nobody can check anything.

Everyone in the food chain needs proof of what happened in the field. Today, none of them can get it without a mountain of paperwork — and even then it's a claim, not evidence.

"I fill in the same forms for my buyer, my insurer, my bank and two schemes. Every year. By hand."

— a familiar refrain on farms

"We printed 'sustainably grown' on the pack. The regulator asked us to prove it. We couldn't."

— a familiar refrain in food brands

"The brochure says +8% yield. Nobody can show me a single farm where that actually happened."

— a familiar refrain from buyers

Autumn — the idea

He tries something new — and writes it down properly, once.

He splits one field down the middle. Left half: his normal routine. Right half: less fertiliser plus a new biological treatment. He fixes how he'll measure the result before he starts — so nobody can move the goalposts later. That decision is what turns a farm diary into evidence.

Through the season — the diary becomes a chain

Every step gets its own entry, linked to the last.

What he saw, what he decided, what he actually did, and what happened — each is a separate entry, connected in order. Photos, machine logs and weighbridge tickets attach as they happen. If a step is missing, Proof says so — it never pretends.

Harvest — the result

The new half won. Slightly. And that's exactly what the record says.

No spin either way: 0.2 tonnes per hectare more, with less fertiliser. The record also says what it doesn't prove — one field, one year. The little squares show how far the evidence has been checked.

Proof record · PRF-UK-A-000231

Less fertiliser + treatment: 8.2 t/ha.
Normal routine: 8.0 t/ha.

both weighed on the same weighbridge · East of England · 2025

checked to level 3 of 6: the method was fixed before the work began

What this record does not claim: that it works everywhere. One field, one season.

See the actual record

The clever part — sharing without exposure

He can hand over the proof and keep his privacy.

When his buyer asks for evidence, he sees exactly what they'll get before he says yes. His name, his location and his prices are stripped out. The result travels; the private stuff never does.

Blackthorn Farm → "a verified farm"

52.2412° N, 0.8933° W → "East of England"

£214 per tonne → kept private

8.2 vs 8.0 t/ha, less fertiliser → shared, untouched

Watch it happen

Meanwhile — the people who helped

His agronomist's name is on the work. Permanently.

The split-field idea came from his adviser, J. Mayhew. Her name stays attached wherever the record travels. Over a career, that becomes something no CV can fake: a public track record of advice that worked — and honesty about the advice that didn't.

Credit stays attached

Designed by J. Mayhew, Fenland Agronomy · already re-used in two evidence packs · her clients' results, her name

See her dashboard

Winter — the farmer gets something back

Now he can see where he stands — honestly.

His result drops into a spread of comparable farms: same crop, same kind of soil, same way of measuring. Not a league table, not a score out of ten — just where his dot sits among farms like his, and which of their records are worth reading.

Try the comparison tool

Spring — other people start paying

The treatment company pays to watch results like his.

His trial joins 32 others of the same product — the good, the bad, and the "made no difference". The company can't hide the bad ones, and that's the point: it's the first product evidence their buyers actually believe. Gaps in the evidence become the next trials they fund.

Their paid dashboard shows

33 trials in this scenario · 10 good · 4 poor · 7 no difference · the rest still growing

updates by itself as harvests come in · poor results always visible

See what they pay for

Summer — the label on the shelf

A flour brand puts it on the packet — with the evidence attached.

"Grown with 20% less carbon." Click the claim and the receipts unfold: 19 farm records support it, 3 point the other way, 9 are still incomplete — all on show. When the regulator or a journalist asks, the answer takes thirty seconds, not thirty days.

Every claim shows its receipts

19 support it · 3 disagree · 9 incomplete — nothing cherry-picked, ever

This record is one of the 19 · the farm's identity never appears

See the claim and its receipts

Renewal time — the paperwork that never happened

His insurer and his bank stop sending him forms.

When his insurance renews, the evidence is already there — he just approves what they see. When his bank releases the next slice of his equipment loan, it checks the machine log, not a promise. Same records, zero re-typing. That's the kind of friction this is built to remove.

Insurance renewal

4 evidence items · answered from existing records · 0 forms filled in

Loan drawdown

released against the logged purchase · not a promise

See the insurer's view See the bank's view

Beyond the farm — counted and cited

It counts towards the national picture. And a scientist can cite it forever.

Government sees his region improve — never his farm, never his name; small groups are hidden automatically. And because the record can never be quietly edited, a university can reference it like a published paper, checkable in ten years.

Proof Record PRF-UK-A-000231 — split-field trial, East of England, winter wheat, 2025. Method fixed before work began. proof.ag/records/PRF-UK-A-000231.

See the national picture How scientists cite it

The business — who pays for what

He wrote it down once. Eight other people paid to rely on it.

That's the model. Farmers put evidence in and get their paperwork done for free. Everyone who needs to rely on that evidence pays for the depth of their view. And no tier, at any price, buys a friendlier number.

Farmer

puts evidence in · paperwork answered for free

Adviser

pays for the client dashboard · builds a public track record

Product maker

pays to watch every trial of their product · warts and all

Food brand

pays for claims with receipts · every claim carries its evidence, good and bad

Insurer

pays for evidence on demand · claims that could settle in days, not weeks

Bank

pays to lend against reality · green loans that hold up

Government

pays for live regional truth · no spreadsheet returns

Science & standards

pay for citable, checkable data · reproducible forever

While he farmed — what Proof did in the background

1×

wrote it down once

5

requests answered without him lifting a pen

18

documents re-used instead of re-typed

£

a premium contract now backed by evidence

One honest record.
Nine kinds of people rely on it.
Nobody can buy a better-looking number.

Farmers, advisers, scientists, manufacturers, insurers, banks, government, standards bodies and food brands — all working from the same evidence, each seeing only what they're allowed to.

Explore the full demo Open the record itself

One farmer's result.Followed for a whole year.

Farming runs on trust.But nobody can check anything.