Trace an image to earlier context
See this course’s project requirements
A media-verification packet with a claim map, provenance trail, cue log, independent-channel check, claim-specific verdicts, and a share-or-hold note.
Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.
What to include
- Extract the event, place, time, and consequence claims.
- Trace the fictional media history and separate reposts from independent sources.
- Record cues with alternative explanations and detector limits.
- Verify the request through a separately established channel.
- Write claim-specific verdicts and a private sharing decision.
Review and revise
Use these criteria to check your work and choose what to improve.
- Observations remain separate from inferred causes.
- Source history and independent evidence are accurately traced.
- Verdicts distinguish contradicted claims from unknown production methods.
- The final action avoids unsupported claims and unnecessary amplification.
Want more background?
The idea in everyday life
Fictional reverse-image result cards for P1: R1 repost dated today repeats the cancellation caption; R2 article dated May 8, 2022 identifies the same image as Westbridge street drainage; R3 photographer archive dated May 7, 2022 identifies Westbridge and file WB-17. P1’s town is Eastbank. These are invented search results, not real web findings.
Follow the image backward until you can explain where the claim came from.
Trace an image to earlier context: guided practice
Follow the image backward until you can explain where the claim came from.
Use paper or a free local text editor. This is an original fictional practice case; do not submit its records to a real service. Start this lesson with these facts, even if an earlier variation changed them. Fictional reverse-image result cards for P1: R1 repost dated today repeats the cancellation caption; R2 article dated May 8, 2022 identifies the same image as Westbridge street drainage; R3 photographer archive dated May 7, 2022 identifies Westbridge and file WB-17. P1’s town is Eastbank. These are invented search results, not real web findings.
1. Order the trail
List the dated matches from earliest to latest.
You should see: R3 May 7, 2022; R2 May 8, 2022; R1 today.
A chronological trail distinguishes origin from recent reposts.
2. Match context
Compare the archive place with the caption place.
You should see: Archive says Westbridge; caption says Eastbank.
A location mismatch undermines the claimed context.
3. Assess support
State what R2/R3 establish about P1’s use of the image.
You should see: The same image predates today and belongs to another stated location.
Earlier provenance can refute a current-image claim without identifying the editing method.
4. Keep the remaining question
Separate the reused photo finding from actual class status.
You should see: The image does not prove today’s Eastbank cancellation; current class status still needs an official check.
Debunking one piece of evidence does not prove the opposite event claim.
What to finish
Trace an image to earlier context record with the worked decisions and changed-case check.
Watch for this
Counting repeated reposts as independent confirmation or treating no search match as proof.
How can I tell I understand it?
Use a supplied search trail to find provenance and detect recycled context. Explain the evidence behind the result and correct any mismatch.
Quick knowledge check
Answer all 3 questions. Get at least 2 right and the lesson completes automatically.
You’ll get an explanation for each answer. Signed in? Your results save to your account.
Pass the check. We’ll save the progress.
Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.
Go to the knowledge checkOptional course overview video · same video as Lesson 1
Election Misinformation Symposium: Fighting Misinfo Through Fact-checking and Deepfake Detection
From Center for Media Engagement. Watch here or open it on YouTube .
Optional course overview. Follow the written steps below at your own pace.Tools, templates, and lesson sources
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Sources and further reading
Explore the references behind this lesson.
Source & access notes · checked 2026-09-12
Inspected lateral reading, upstream checking, reverse-image searching, and the distinction between existing interventions and ongoing AI research.
Access: Public page or PDF inspected without payment or institutional sign-in on September 12, 2026. Optional external accounts are unnecessary for this course.
Reuse: Link and original paraphrase only. Public access does not grant blanket reuse; no provider text, figures, or exercises are reproduced.
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