# FactPage Full LLM Guide

> Paste a shaky claim, get a copy-ready comeback, source trail, and public proof link.

## Product Summary
FactPage is a public proof-link layer for contested claims. It converts a claim into a verdict, a source trail, three evidence lines, a share image, and copy-ready comeback text.

## Canonical Surfaces
- Home: https://factpage.ai/
- Free receipts: https://factpage.ai/receipts
- llms.txt: https://factpage.ai/llms.txt
- robots.txt: https://factpage.ai/robots.txt
- sitemap.xml: https://factpage.ai/sitemap.xml
- Legacy archive path: /vault redirects to /receipts and should not be treated as canonical.

## Search Answer Pages
### Can Turnitin's AI score alone prove ChatGPT use?
- URL: https://factpage.ai/turnitin-ai-score-alone
- Question: Can Turnitin's AI score alone prove a student used ChatGPT?
- Answer: No. A Turnitin AI score can be a review signal, but Turnitin says it should not be the only basis for action against a student.
- Receipt search: https://factpage.ai/receipts?q=Turnitin%20AI%20score%20alone%20proves%20ChatGPT

### Can GPTZero mark real writing as AI?
- URL: https://factpage.ai/gptzero-false-positive
- Question: Can GPTZero falsely flag human writing as AI?
- Answer: Yes. AI detectors can be useful as a clue, but they can also miss AI text or flag human text. The safer move is to ask for writing-process evidence.
- Receipt search: https://factpage.ai/receipts?q=GPTZero%20false%20positive%20AI%20detector%20human%20writing

### Is a USPS redelivery fee text a scam?
- URL: https://factpage.ai/usps-redelivery-fee-text-scam
- Question: Is a USPS text asking for a redelivery fee real?
- Answer: Usually no. USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Receipt search: https://factpage.ai/receipts?q=USPS%20redelivery%20fee%20text%20scam

### Is a PayPal or bank alert text real?
- URL: https://factpage.ai/paypal-bank-alert-scam-text
- Question: Is a PayPal or bank fraud alert text safe to click?
- Answer: Do not click first. Real alerts exist, but scam texts often copy PayPal, bank, or fraud-warning language to steal login details or push you into a fake support flow.
- Receipt search: https://factpage.ai/receipts?q=PayPal%20bank%20alert%20text%20scam

### Does a VPN hide your browser fingerprint?
- URL: https://factpage.ai/vpn-browser-fingerprint
- Question: Does using a VPN make your browser fingerprint invisible?
- Answer: No. A VPN can hide your IP address from websites, but browser fingerprinting uses device and browser signals that a VPN does not erase.
- Receipt search: https://factpage.ai/receipts?q=VPN%20browser%20fingerprint%20invisible%20websites

### Does incognito mode stop websites from tracking you?
- URL: https://factpage.ai/incognito-mode-tracking
- Question: Does incognito mode hide your browsing from websites or your internet provider?
- Answer: No. Incognito mostly stops your browser from saving local history after the session. It does not make you invisible to websites, your ISP, school, or employer.
- Receipt search: https://factpage.ai/receipts?q=Incognito%20mode%20hides%20browsing%20from%20websites%20ISP


## Public Receipt Archive
### FALSE: A USPS text asking for a redelivery fee is always an official USPS message.
- URL: https://factpage.ai/v/a-usps-text-asking-for-6cnxd?claim=A%20USPS%20text%20asking%20for%20a%20redelivery%20fee%20is%20always%20an%20official%20USPS%20message.
- Category: Internet
- Pioneer: Pioneer #3057
- Signal: 100%
- Confidence: High
- Summary: Unsolicited text messages claiming to be from the USPS that ask for a redelivery fee or address updates are phishing scams. The official United States Postal Service does not charge any fee for package redelivery and does not send unsolicited text messages containing payment links.
- Sources: Smishing Scam Alerts; Report Fraud Portal; Scams and Schemes FAQ

### FALSE: Incognito mode plus a VPN makes you anonymous to every website.
- URL: https://factpage.ai/v/incognito-mode-plus-a-vpn-1ia6n?claim=Incognito%20mode%20plus%20a%20VPN%20makes%20you%20anonymous%20to%20every%20website.
- Category: Privacy
- Pioneer: Pioneer #9968
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: Lightning never strikes the same place twice.
- URL: https://factpage.ai/v/lightning-never-strikes-the-same-1gt08?claim=Lightning%20never%20strikes%20the%20same%20place%20twice.
- Category: Science
- Pioneer: Pioneer #7981
- Signal: 96%
- Confidence: High
- Summary: The National Weather Service lists 'lightning never strikes the same place twice' as a myth. Tall or exposed objects can be struck repeatedly.
- Sources: Lightning Myths and Facts; Lightning Science Overview; Lightning FAQ

### FALSE: The Great Wall of China is visible from the Moon with the naked eye.
- URL: https://factpage.ai/v/the-great-wall-of-china-1pt6l?claim=The%20Great%20Wall%20of%20China%20is%20visible%20from%20the%20Moon%20with%20the%20naked%20eye.
- Category: Science
- Pioneer: Pioneer #7860
- Signal: 95%
- Confidence: High
- Summary: The claim conflicts with basic visual resolution and with NASA’s public explanations. The Great Wall is very long, but it is far too narrow and low-contrast to be seen from the Moon by the naked eye.
- Sources: Great Wall; Is China's Great Wall Visible from Space?; Gateway to Astronaut Photography of Earth FAQ

### FALSE: Microwaving food makes it radioactive.
- URL: https://factpage.ai/v/microwaving-food-makes-it-radioactive-7jvke?claim=Microwaving%20food%20makes%20it%20radioactive.
- Category: Internet
- Pioneer: Pioneer #7543
- Signal: 95%
- Confidence: High
- Summary: The claim conflicts with basic radiation physics and public regulator guidance. Microwave ovens use non-ionizing radiation to heat food; they do not create radioactivity in the food.
- Sources: Microwave Oven Radiation; Microwave Ovens and Food Safety; Radiation Basics

### FALSE: 5G towers spread viruses.
- URL: https://factpage.ai/v/5g-towers-spread-viruses-oou0n?claim=5G%20towers%20spread%20viruses.
- Category: Internet
- Pioneer: Pioneer #2277
- Signal: 97%
- Confidence: High
- Summary: The claim conflicts with basic virology and public-health guidance. 5G towers emit radiofrequency signals; viruses are biological particles that require biological transmission routes. Public health agencies reject the idea that mobile networks spread viruses.
- Sources: COVID-19 myth busters; How infections spread; Radio frequency safety

### FALSE: Private browsing prevents websites from identifying repeat visitors.
- URL: https://factpage.ai/v/private-browsing-prevents-websites-from-1j9oz?claim=Private%20browsing%20prevents%20websites%20from%20identifying%20repeat%20visitors.
- Category: Privacy
- Pioneer: Pioneer #6597
- Signal: 93%
- Confidence: High
- Summary: Incognito or private browsing mainly keeps local browser history off the device. It does not hide browsing from websites, network administrators, schools, employers, or internet providers.
- Sources: Browse in Incognito mode; Common myths about private browsing; How to protect your privacy online

### FALSE: Incognito mode hides your browsing from your school Wi-Fi administrator.
- URL: https://factpage.ai/v/incognito-mode-hides-your-browsing-12zz6?claim=Incognito%20mode%20hides%20your%20browsing%20from%20your%20school%20Wi-Fi%20administrator.
- Category: Privacy
- Pioneer: Pioneer #4500
- Signal: 93%
- Confidence: High
- Summary: Incognito or private browsing mainly keeps local browser history off the device. It does not hide browsing from websites, network administrators, schools, employers, or internet providers.
- Sources: Browse in Incognito mode; Common myths about private browsing; How to protect your privacy online

### FALSE: USPS will hold your package unless you pay a tiny redelivery fee from the text message.
- URL: https://factpage.ai/v/usps-will-hold-your-package-1bhz1?claim=USPS%20will%20hold%20your%20package%20unless%20you%20pay%20a%20tiny%20redelivery%20fee%20from%20the%20text%20message.
- Category: Scam
- Pioneer: Pioneer #8060
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: A USPS delivery text is safe if the link looks like it has USPS in the domain.
- URL: https://factpage.ai/v/a-usps-delivery-text-is-1v9zi?claim=A%20USPS%20delivery%20text%20is%20safe%20if%20the%20link%20looks%20like%20it%20has%20USPS%20in%20the%20domain.
- Category: Scam
- Pioneer: Pioneer #7765
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: A USPS package text asking you to update your address through a link is real if you are expecting a delivery.
- URL: https://factpage.ai/v/a-usps-package-text-asking-1vqz0?claim=A%20USPS%20package%20text%20asking%20you%20to%20update%20your%20address%20through%20a%20link%20is%20real%20if%20you%20are%20expecting%20a%20delivery.
- Category: Scam
- Pioneer: Pioneer #7357
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: Incognito mode makes you anonymous online because it deletes your history.
- URL: https://factpage.ai/v/incognito-mode-makes-you-anonymous-254lk?claim=Incognito%20mode%20makes%20you%20anonymous%20online%20because%20it%20deletes%20your%20history.
- Category: History
- Pioneer: Pioneer #5865
- Signal: 93%
- Confidence: High
- Summary: Incognito or private browsing mainly keeps local browser history off the device. It does not hide browsing from websites, network administrators, schools, employers, or internet providers.
- Sources: Browse in Incognito mode; Common myths about private browsing; How to protect your privacy online

### FALSE: Private browsing means your school or employer cannot see the websites you visit.
- URL: https://factpage.ai/v/private-browsing-means-your-school-1pqh4?claim=Private%20browsing%20means%20your%20school%20or%20employer%20cannot%20see%20the%20websites%20you%20visit.
- Category: Privacy
- Pioneer: Pioneer #7240
- Signal: 93%
- Confidence: High
- Summary: Incognito or private browsing mainly keeps local browser history off the device. It does not hide browsing from websites, network administrators, schools, employers, or internet providers.
- Sources: Browse in Incognito mode; Common myths about private browsing; How to protect your privacy online

### FALSE: Incognito mode hides your browsing from websites and your internet provider.
- URL: https://factpage.ai/v/incognito-mode-hides-your-browsing-n6o70?claim=Incognito%20mode%20hides%20your%20browsing%20from%20websites%20and%20your%20internet%20provider.
- Category: Privacy
- Pioneer: Pioneer #7233
- Signal: 93%
- Confidence: High
- Summary: Incognito or private browsing mainly keeps local browser history off the device. It does not hide browsing from websites, network administrators, schools, employers, or internet providers.
- Sources: Browse in Incognito mode; Common myths about private browsing; How to protect your privacy online

### FALSE: A package tracking text is safe if it uses the USPS name and asks for only a few cents.
- URL: https://factpage.ai/v/a-package-tracking-text-is-dldfz?claim=A%20package%20tracking%20text%20is%20safe%20if%20it%20uses%20the%20USPS%20name%20and%20asks%20for%20only%20a%20few%20cents.
- Category: Scam
- Pioneer: Pioneer #9990
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: USPS charges a small redelivery fee through text message links.
- URL: https://factpage.ai/v/usps-charges-a-small-redelivery-1vh2e?claim=USPS%20charges%20a%20small%20redelivery%20fee%20through%20text%20message%20links.
- Category: Scam
- Pioneer: Pioneer #5060
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: A USPS text asking for a redelivery fee is an official USPS message.
- URL: https://factpage.ai/v/a-usps-text-asking-for-1dw0d?claim=A%20USPS%20text%20asking%20for%20a%20redelivery%20fee%20is%20an%20official%20USPS%20message.
- Category: Scam
- Pioneer: Pioneer #2814
- Signal: 92%
- Confidence: High
- Summary: USPS says it does not charge a fee for redelivery, and postal inspectors warn that package-tracking texts are a common smishing pattern.
- Sources: Scams and Scheme Alerts; Smishing: package tracking text scams; How to recognize and report spam texts

### FALSE: Microsoft is releasing Windows 12 in 2026 and turning Windows into a subscription product.
- URL: https://factpage.ai/v/microsoft-is-releasing-windows-12-omp4z?claim=Microsoft%20is%20releasing%20Windows%2012%20in%202026%20and%20turning%20Windows%20into%20a%20subscription%20product.
- Category: Tech
- Pioneer: Pioneer #4605
- Signal: 92%
- Confidence: High
- Summary: The claim says Microsoft is releasing Windows 12 in 2026 and turning Windows into a subscription product. Public grounding does not support that. Microsoft’s own current Windows records point to Windows 11 releases and servicing in 2026, including Windows 11 version 26H1 for select new devices. A reputable Windows-focused report also says the viral Windows 12 subscription claim is not credible and appears to come out
- Sources: Microsoft Windows release health; Windows 11 version 26H1 support page; Windows 12 subscription rumor debunk

### FALSE: McDonald's is now charging a $1 convenience fee for using the drive-thru.
- URL: https://factpage.ai/v/mcdonald-s-is-now-charging-1s5e0?claim=McDonald%27s%20is%20now%20charging%20a%20%241%20convenience%20fee%20for%20using%20the%20drive-thru.
- Category: Tech
- Pioneer: Pioneer #5383
- Signal: 93%
- Confidence: High
- Summary: McDonald's denied the viral $1 drive-thru surcharge claim, and fact-checkers traced the claim to fake or AI-generated sign imagery rather than an official policy.
- Sources: McDonald's drive-thru fee rumor fact check; News10NBC McDonald's surcharge fact check; McDonald's $1 fee claim explainer

### FALSE: Incognito mode hides your browsing from your internet provider and the websites you visit.
- URL: https://factpage.ai/v/incognito-mode-hides-your-browsing-13eeq?claim=Incognito%20mode%20hides%20your%20browsing%20from%20your%20internet%20provider%20and%20the%20websites%20you%20visit.
- Category: Privacy
- Pioneer: Pioneer #7934
- Signal: 92%
- Confidence: High
- Summary: The claim conflicts with browser documentation. Incognito/private mode mainly prevents local browser history and some stored site data from being kept after the session. It does not, by default, hide your browsing from your ISP or from the websites you visit.
- Sources: Browse in Incognito mode; Common myths about private browsing; How websites and apps collect and use your information

### FALSE: A VPN stops websites from tracking you with browser cookies.
- URL: https://factpage.ai/v/a-vpn-stops-websites-from-n5hc3?claim=A%20VPN%20stops%20websites%20from%20tracking%20you%20with%20browser%20cookies.
- Category: Privacy
- Pioneer: Pioneer #8906
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: Browser fingerprinting only uses IP address, so a VPN blocks it.
- URL: https://factpage.ai/v/browser-fingerprinting-only-uses-ip-sas7m?claim=Browser%20fingerprinting%20only%20uses%20IP%20address%2C%20so%20a%20VPN%20blocks%20it.
- Category: Privacy
- Pioneer: Pioneer #3617
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: A VPN changes your IP address, so websites cannot recognize your device anymore.
- URL: https://factpage.ai/v/a-vpn-changes-your-ip-1pxwq?claim=A%20VPN%20changes%20your%20IP%20address%2C%20so%20websites%20cannot%20recognize%20your%20device%20anymore.
- Category: Privacy
- Pioneer: Pioneer #3800
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: Browser fingerprinting cannot work when your IP address is hidden by a VPN.
- URL: https://factpage.ai/v/browser-fingerprinting-cannot-work-when-ipnxh?claim=Browser%20fingerprinting%20cannot%20work%20when%20your%20IP%20address%20is%20hidden%20by%20a%20VPN.
- Category: Privacy
- Pioneer: Pioneer #9138
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: A VPN makes you completely anonymous to every website you visit.
- URL: https://factpage.ai/v/a-vpn-makes-you-completely-mrux3?claim=A%20VPN%20makes%20you%20completely%20anonymous%20to%20every%20website%20you%20visit.
- Category: Privacy
- Pioneer: Pioneer #3449
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: A QR menu automatically lets a restaurant see everything on your phone.
- URL: https://factpage.ai/v/a-qr-menu-automatically-lets-ww26s?claim=A%20QR%20menu%20automatically%20lets%20a%20restaurant%20see%20everything%20on%20your%20phone.
- Category: Tech
- Pioneer: Pioneer #7900
- Signal: 90%
- Confidence: High
- Summary: Scanning a restaurant's QR menu does not grant them automatic access to your phone's contents. QR codes are simply visual links that open in your web browser, where sandboxing limits access to basic connection data and cookies.
- Sources: Ask Leo: Can You Trust QR Codes; ACLU Diners Privacy Warning; The Privacy Report on QR Tracking

### FALSE: Incognito mode stops ticket websites from connecting your queue session to your device.
- URL: https://factpage.ai/v/incognito-mode-stops-ticket-websites-woh9e?claim=Incognito%20mode%20stops%20ticket%20websites%20from%20connecting%20your%20queue%20session%20to%20your%20device.
- Category: Privacy
- Pioneer: Pioneer #4351
- Signal: 90%
- Confidence: High
- Summary: Incognito mode does not prevent ticket websites from identifying your device or linking your queue session to it. While it limits local history storage, websites still use active cookies, IP addresses, browser fingerprinting, and account logins to connect and monitor queue sessions.
- Sources: Ticketmaster Support; WikiHow Technical Review; Panda Security Tech Blog

### FALSE: Using a VPN makes your browser fingerprint invisible to websites.
- URL: https://factpage.ai/v/using-a-vpn-makes-your-1u58b?claim=Using%20a%20VPN%20makes%20your%20browser%20fingerprint%20invisible%20to%20websites.
- Category: Privacy
- Pioneer: Pioneer #1249
- Signal: 90%
- Confidence: High
- Summary: A VPN can hide your IP address from websites, but browser fingerprinting uses browser, device, screen, language, extension, and behavior signals that a VPN does not erase.
- Sources: Firefox protection against fingerprinting; Block fingerprinting; Browse in Incognito mode

### FALSE: Venmo, Cash App, PayPal, or Zelle payments over $600 are automatically taxed by the IRS.
- URL: https://factpage.ai/v/venmo-cash-app-paypal-or-1dnv8?claim=Venmo%2C%20Cash%20App%2C%20PayPal%2C%20or%20Zelle%20payments%20over%20%24600%20are%20automatically%20taxed%20by%20the%20IRS.
- Category: Tech
- Pioneer: Pioneer #2247
- Signal: 88%
- Confidence: High
- Summary: The viral claim confuses tax reporting with taxation. Under current IRS guidance, third-party payment apps generally report goods-or-services payments on Form 1099-K only when federal thresholds are met, now over $20,000 and more than 200 transactions. Personal transfers, gifts, and reimbursements are not taxable income. Zelle also says the 1099-K law does not apply to its network.
- Sources: IRS Understanding Form 1099-K; PayPal IRS reporting help; Zelle Using Zelle FAQ

### FALSE: A viral video shows the real FIFA World Cup 2026 opening ceremony in Mexico.
- URL: https://factpage.ai/v/a-viral-video-shows-the-lhdp4?claim=A%20viral%20video%20shows%20the%20real%20FIFA%20World%20Cup%202026%20opening%20ceremony%20in%20Mexico.
- Category: Internet
- Pioneer: Pioneer #9376
- Signal: 88%
- Confidence: High
- Summary: A real FIFA World Cup 2026 opening ceremony did take place in Mexico City on June 11, 2026. But the viral video described in available fact-checking records is not confirmed as real ceremony footage. DFRAC found the widely shared fireworks and light-show clip was AI-generated and not posted by FIFA as ceremony footage.
- Sources: DFRAC viral video fact-check; FIFA opening ceremony release; AFP AI ceremony video check

### FALSE: Solar panels create more toxic waste than clean energy.
- URL: https://factpage.ai/v/solar-panels-create-more-toxic-uv2ty?claim=Solar%20panels%20create%20more%20toxic%20waste%20than%20clean%20energy.
- Category: Climate
- Pioneer: Pioneer #4773
- Signal: 90%
- Confidence: High
- Summary: The claim is not supported by public lifecycle evidence. Solar panels do create end-of-life waste, and some can contain hazardous materials. But official and scientific sources find that solar panels produce large amounts of low-emission electricity over their service life, while waste is a manageable and increasingly recyclable disposal issue.
- Sources: PV lifecycle greenhouse-gas review; End-of-life solar photovoltaic panels; End-of-life solar panel rules

### FALSE: Remote work killed productivity across every major company.
- URL: https://factpage.ai/v/remote-work-killed-productivity-across-1sgk2?claim=Remote%20work%20killed%20productivity%20across%20every%20major%20company.
- Category: Internet
- Pioneer: Pioneer #3694
- Signal: 90%
- Confidence: High
- Summary: False. Remote work did not kill productivity across every major company. Public data and research show varied results, and a major-company randomized study found no performance loss from hybrid work.
- Sources: Labor Productivity and Costs; Hybrid working from home improves retention without damaging performance; Survey of Working Arrangements and Attitudes

### FALSE: VPNs make you completely anonymous online.
- URL: https://factpage.ai/v/vpns-make-you-completely-anonymous-1m43s?claim=VPNs%20make%20you%20completely%20anonymous%20online.
- Category: Internet
- Pioneer: Pioneer #2362
- Signal: 88%
- Confidence: High
- Summary: The claim overstates what VPNs do. A VPN can hide your IP address from sites and reduce what your ISP can see, but it does not stop account logins, cookies, fingerprinting, app tracking, payment trails, or VPN-provider logging. Complete anonymity is not supported.
- Sources: Choosing the VPN That's Right for You; Virtual Private Networks; What Is a VPN

### FALSE: AI detectors can prove a student used ChatGPT with 99% accuracy.
- URL: https://factpage.ai/v/ai-detectors-can-prove-a-19nds?claim=AI%20detectors%20can%20prove%20a%20student%20used%20ChatGPT%20with%2099%25%20accuracy.
- Category: Tech
- Pioneer: Pioneer #1182
- Signal: 88%
- Confidence: High
- Summary: The claim overstates what AI detectors can do. They can provide a signal, but public evidence does not support using them as 99%-accurate proof that a student used ChatGPT.
- Sources: AI classifier withdrawal; Detector bias study; AI writing detection guidance

### FALSE: Fastlane's 'Claude for Marketing' is an official Anthropic product from Anthropic.
- URL: https://factpage.ai/v/fastlane-s-claude-for-marketing-149v2?claim=Fastlane%27s%20%27Claude%20for%20Marketing%27%20is%20an%20official%20Anthropic%20product%20from%20Anthropic.
- Category: Tech
- Pioneer: Pioneer #8471
- Signal: 85%
- Confidence: High
- Summary: The claim overstates what the record shows. Anthropic does have an official Claude page titled “Claude for Marketing,” but it is a tutorial/use-case page for using Claude.ai in marketing work. The official Claude product navigation lists products like Claude, Claude Code, Claude Cowork, and Claude Security, not a Fastlane product. The Fastlane claim appears in social/news reposts, not in Anthropic’s product record.
- Sources: Claude for Marketing tutorial; Claude product overview; WinCentral Fastlane report

### FALSE: Battery Production makes EVs worse than gas cars
- URL: https://factpage.ai/v/battery-production-makes-evs-worse-ob77b?claim=Battery%20Production%20makes%20EVs%20worse%20than%20gas%20cars
- Category: Climate
- Pioneer: Pioneer #4043
- Signal: 80%
- Confidence: High
- Summary: The claim overstates a real issue. EV batteries require energy and materials to make, so EVs often start with a higher manufacturing footprint. But when lifetime driving is included, gasoline cars keep emitting from fuel combustion, while EVs usually emit less overall, especially as grids get cleaner.
- Sources: Electric Vehicle Myths; Global EV Outlook 2024; Global lifecycle comparison of cars


## Use Constraints
- FactPage is not legal, medical, financial, or safety advice.
- A verdict summarizes source-backed evidence at publication time.
- If a claim has materially changed, scan or cite a newer public receipt.

Updated: 2026-06-20T13:53:52.968Z