Verdict
The claim is labelled supported, unsupported, or unclear. The answer distinguishes observed evidence from inference.
TECHNICAL WRITING · DOCUMENTATION · FACT CHECK
Check one technical claim for 1 USDC.
A small, fixed-scope evidence check for a sentence in a tutorial, API guide, README, report, or AI-assisted draft.
Written and asynchronous. No meeting, subscription, account connection, or confidential files.
DELIVERABLE
A compact answer you can paste back into the draft.
Primary evidence
Two official documents, specifications, repositories, papers, or vendor sources that directly address the claim.
Safe wording
One replacement sentence with version, date, and scope qualifiers where the evidence requires them.
WORKED EXAMPLE
See the exact shape of a finished claim check.
Claim
“Python dictionaries preserve insertion order.”
Verdict
Supported, with a version qualifier. This is a language guarantee in Python 3.7 and later. In CPython 3.6 it was an implementation detail.
Primary sources
- Python Language Reference — Dictionaries: confirms insertion order and explains update, deletion, and reinsertion behavior.
- What’s New in Python 3.7: records when insertion-order preservation became part of the language specification.
Replacement sentence
“In Python 3.7 and later, dict preserves key insertion order; updating an existing key does not move it, while deleting and reinserting a key places it at the end.”
Evidence limits
The guarantee applies to Python’s built-in dict. Other mapping types may define different ordering behavior. Python versions before 3.6 did not preserve dictionary insertion order.
Example checked against the current official Python documentation on 25 September 2026.
SCOPE & BOUNDARY
Useful for ordinary technical accuracy—not high-stakes advice.
Good fit
Python, ML, APIs, developer tools, data engineering, cloud software, robotics, and autonomous-driving documentation.
Send this
The exact claim, one context paragraph, the intended audience, and any version or date that must be checked.
Excluded
No security or vulnerability work, private data, credential access, medical/legal/financial advice, plagiarism, or promotional testimonials.
START
Submit the claim first. Pay only after scope acceptance.
Send the claim
Use the written form and include the exact sentence plus context.
Receive acceptance
The scope and delivery time are confirmed in writing before payment.
Pay 1 USDC
Arbitrum One native USDC only, after written acceptance.
Receive the check
Verdict, two primary sources, replacement sentence, and evidence limits.
PAYMENT AFTER ACCEPTANCE
1 native USDC on Arbitrum One.
Payment details
Network: Arbitrum One
Asset: native USDC
Amount: 1 USDC
Recipient:0x92308b3573d17e065e05128ce4f8f00b1e363bf5
Native USDC contract:0xaf88d065e77c8cC2239327C5EDb3A432268e5831
Do not pay before written scope acceptance. Do not send USDC.e or use another network.
Submit the claim
The form is written-only. Put 1 USDC claim check in the request and include the claim, context, intended audience, and version/date.