Business operations / EvidenceBrief

Business opportunity evidence brief

Build a sourced opportunity memo with alternatives, counterevidence and a stop condition.

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All prefilled business examples are fictional. Replace them with your own checked inputs.

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Your result

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How this tool works

Keep each claim with its source, evidence type and stance. Count entered counterevidence; record the alternative and stop condition without inventing market demand.

Method version: 2026-09-19.2

Input format

No automatic currency conversion. CSV headers remain English; use decimal points and ISO dates (YYYY-MM-DD).

Specific buyer: buyer
Repeated task: task
Current alternative: alternative
Next measurable test: test
Stop condition: stop
Evidence register: claim,source,type,stance,observation

Reproducible example

All prefilled business examples are fictional. Replace them with your own checked inputs.

Scroll horizontally to see all columns.

Claim	Source	Evidence type	Stance	Observation
Manual comparison takes time	https://example.com/interview	customer	supports	Fictional interview example
Spreadsheet may be sufficient	https://example.com/template	primary	contradicts	Fictional template example

Limits and assumptions

A vendor claim or launch vote is not payment evidence. Customer entries are your records, not independently verified interviews.

Counterevidence recorded: 1

Sources and specifications

RFC 4180 — CSV format

Read the text version · Download example inputs