Record what happened. Keep the evidence.

Proof is the independent evidence platform for arable farming. Agronomists and farmers record observations, decisions, applications and outcomes. The evidence is preserved. The farm is protected.

Apply to record

A permanent record of arable evidence

Every season, thousands of decisions get made in fields. A product goes on. A cultivation changes. A tramline gets left untreated to see what happens. Most of that evidence ends up in notebooks, spreadsheets and memory. Then it is gone.

Where field evidence usually ends
  • A notebook in the truck
  • A spreadsheet on someone's laptop
  • A WhatsApp thread
  • A sales deck, for one season
  • Memory
Gone within a season or two
Where it ends with Proof
RecordPRF-UK-000312
StateLocked · public
Hash4e1a·88d3·b90c

What was observed, what was decided, what was done, and what happened. Once locked, it cannot be quietly changed. Corrections are added beside the original, never over it.

Permanent · corrected only in the open

Proof is a public record, not a sales tool. It does not rank products. It does not recommend anything. It records the evidence and shows its limits.

More than trials

Proof records the full evidence trail, not just formal trials.

The evidence trailSix record types
01Field observations
What you saw, where, and when.
02Decisions
What you chose to do and why.
03Applications and field events
Products, rates, timings, conditions.
04Comparisons
Treated against untreated, one approach against another.
05Measurements and outcomes
Counts, yields, assessments, lab results.
06Addenda
Corrections and follow-ups, added in the open.
First categoryBiological & biostimulant inputsThenMore arable categories

The first recording category is biological and biostimulant inputs, where the evidence gap is widest. More arable categories follow.

Public evidence. Private farm.

The public record shows the crop, the season, the broad region, the evidence and the outcome. It shows enough to inspect the evidence. It does not show enough to identify the farm.

Farm names, exact field locations, GPS, raw files and private notes stay in a private envelope, controlled by the people who made the record.

Left page
The public record shows
Public projection
  1. Crop and season
  2. Broad region
  3. Soil class
  4. What was observed, decided or done
  5. The outcome, where recorded
  6. The evidence manifest
  7. Declared conflicts
  8. The canonical hash
Right page
The private envelope holds
Private envelope
  1. ████Farm name
  2. ████Exact field locations
  3. ████GPS coordinates
  4. ████Raw evidence files
  5. ████Invoices and lab reports
  6. ████Private notes
  7. ████Contributor and farm relationships
For agronomists

You make the decisions. Proof keeps the evidence.

You already make decisions every week. Proof helps you keep the evidence behind them. Build a permanent, professional record of your field work. Create evidence packs for clients. Protect their farm data while you do it.

Proof for agronomists
For farmers

Your farm. Your evidence. Your control.

Your farm name is private by default. Raw evidence stays under your control. You can see every record from your own farm, and use the record in meetings with agronomists, buyers, banks and insurers.

Proof for farmers
For companies and institutions

Evidence you did not have to produce yourself.

Manufacturers, merchants, food companies, banks, insurers and researchers need field evidence they did not produce themselves. Proof provides it. Companies pay for tools built above the record. They cannot pay to change, hide or rank the evidence.

Proof for companies

The rules

  1. 01Locked records cannot be quietly changed.
  2. 02Corrections are added, not hidden.
  3. 03Failed, mixed and no-effect results stay on the record.
  4. 04Companies cannot pay to change the evidence.

Start recording

Proof is opening to a first group of agronomists, farmers, researchers and trial partners. If you want a better way to record arable evidence, apply for access.