RESOURCE MAINTENANCE · LOCAL PROTOTYPE

PDF resource-link audit

Live public-site sample; no fixture or simulated HTTP results · 2026-11-01T16:36:53.071+00:00

1 PDF(s) · 40 unique URLs · 40 page/URL references

4BROKEN
5REDIRECTED
11UNVERIFIED
20OK

Counts above are unique URLs; queues below name every affected page. BROKEN requires two delayed failures. 403/429, login walls, server failures and timeouts are unverified. A successful HTTP response does not prove a resource is suitable.

1. Page-specific repair queue · 9 references

Confirmed missing resources first; material redirects require editorial review.

PDF / page / versionResource / anchorFinding / next action
teacher-workbook.pdf · p. 1 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. Earth observation extension sheet
https://www.nasa.gov/stem-resources/curious-planet-worksheet-2019-retired/Extracted from: annotation		 BROKEN

Confirmed on two delayed attempts: HTTP 404

Replace or remove this resource after editorial review.

Checked 2026-11-01T16:36:52.347+00:00
Recheck: 2026-11-01T16:36:51.808+00:00
HTTP evidence & redirect chains

Attempt 1: missing_http · 2026-11-01T16:36:48.203+00:00

  1. HEAD https://www.nasa.gov/stem-resources/curious-planet-worksheet-2019-retired/ → 404 · 2026-11-01T16:36:48.703+00:00 · 0.564s
  2. GET https://www.nasa.gov/stem-resources/curious-planet-worksheet-2019-retired/ → 404 · 2026-11-01T16:36:49.767+00:00 · 0.041s

Attempt 2: missing_http · 2026-11-01T16:36:51.808+00:00

  1. HEAD https://www.nasa.gov/stem-resources/curious-planet-worksheet-2019-retired/ → 404 · 2026-11-01T16:36:51.808+00:00 · 0.045s
  2. GET https://www.nasa.gov/stem-resources/curious-planet-worksheet-2019-retired/ → 404 · 2026-11-01T16:36:52.308+00:00 · 0.038s
teacher-workbook.pdf · p. 3 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.asp
https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.aspExtracted from: text		 BROKEN

Confirmed on two delayed attempts: HTTP 404

Replace or remove this resource after editorial review.

Checked 2026-11-01T16:36:45.041+00:00
Recheck: 2026-11-01T16:36:41.511+00:00
HTTP evidence & redirect chains

Attempt 1: missing_http · 2026-11-01T16:36:32.852+00:00

  1. HEAD https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.asp → 404 · 2026-11-01T16:36:33.993+00:00 · 1.81s
  2. GET https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.asp → 404 · 2026-11-01T16:36:37.612+00:00 · 1.899s

Attempt 2: missing_http · 2026-11-01T16:36:41.511+00:00

  1. HEAD https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.asp → 404 · 2026-11-01T16:36:41.511+00:00 · 1.683s
  2. GET https://nces.ed.gov/nceskids/curious-planet-chart-lab-2018.asp → 404 · 2026-11-01T16:36:43.195+00:00 · 1.847s
teacher-workbook.pdf · p. 7 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://scratch.mit.edu/educators/curious-planet-starter-2018/
https://scratch.mit.edu/educators/curious-planet-starter-2018/Extracted from: text		 BROKEN

Confirmed on two delayed attempts: HTTP 404

Replace or remove this resource after editorial review.

Checked 2026-11-01T16:36:49.876+00:00
Recheck: 2026-11-01T16:36:47.438+00:00
HTTP evidence & redirect chains

Attempt 1: missing_http · 2026-11-01T16:36:40.888+00:00

  1. HEAD https://scratch.mit.edu/educators/curious-planet-starter-2018/ → 404 · 2026-11-01T16:36:41.964+00:00 · 1.364s
  2. GET https://scratch.mit.edu/educators/curious-planet-starter-2018/ → 404 · 2026-11-01T16:36:44.232+00:00 · 1.206s

Attempt 2: missing_http · 2026-11-01T16:36:47.438+00:00

  1. HEAD https://scratch.mit.edu/educators/curious-planet-starter-2018/ → 404 · 2026-11-01T16:36:47.438+00:00 · 1.226s
  2. GET https://scratch.mit.edu/educators/curious-planet-starter-2018/ → 404 · 2026-11-01T16:36:48.664+00:00 · 1.212s
teacher-workbook.pdf · p. 10 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. micro:bit projects
https://microbit.org/projects/Extracted from: annotation		 BROKEN

Confirmed on two delayed attempts: HTTP 404

Replace or remove this resource after editorial review.

Checked 2026-11-01T16:36:40.221+00:00
Recheck: 2026-11-01T16:36:35.850+00:00
HTTP evidence & redirect chains

Attempt 1: missing_http · 2026-11-01T16:36:29.047+00:00

  1. HEAD https://microbit.org/projects/ → 404 · 2026-11-01T16:36:29.047+00:00 · 3.117s
  2. GET https://microbit.org/projects/ → 404 · 2026-11-01T16:36:32.164+00:00 · 1.686s

Attempt 2: missing_http · 2026-11-01T16:36:35.850+00:00

  1. HEAD https://microbit.org/projects/ → 404 · 2026-11-01T16:36:35.850+00:00 · 2.697s
  2. GET https://microbit.org/projects/ → 404 · 2026-11-01T16:36:38.548+00:00 · 1.673s
teacher-workbook.pdf · p. 5 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. Poetry Foundation: learn; https://www.poetryfoundation.org/learn
https://www.poetryfoundation.org/learn
Final: https://www.poetryfoundation.org/educationExtracted from: annotation, text		 REDIRECTED

Destination changed materially; review resource relevance

Open the destination and verify it still matches the activity.

Checked 2026-11-01T16:36:53.070+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: redirected · 2026-11-01T16:36:49.876+00:00

  1. HEAD https://www.poetryfoundation.org/learn → 301 · Location: /education · 2026-11-01T16:36:49.876+00:00 · 0.36s
  2. HEAD https://www.poetryfoundation.org/education → 200 · 2026-11-01T16:36:50.376+00:00 · 1.63s
  3. GET https://www.poetryfoundation.org/learn → 301 · Location: /education · 2026-11-01T16:36:52.007+00:00 · 0.284s
  4. GET https://www.poetryfoundation.org/education → 200 · 2026-11-01T16:36:52.507+00:00 · 0.562s
teacher-workbook.pdf · p. 7 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. Code.org learning
https://code.org/learn
Final: https://hourofai.org/en-USExtracted from: annotation		 REDIRECTED

Destination changed materially; review resource relevance

Open the destination and verify it still matches the activity.

Checked 2026-11-01T16:36:37.678+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: redirected · 2026-11-01T16:36:28.986+00:00

  1. HEAD https://code.org/learn → 307 · Location: https://hourofcode.com/learn · 2026-11-01T16:36:28.986+00:00 · 1.639s
  2. HEAD https://hourofcode.com/learn → 301 · Location: https://hourofai.org/ · 2026-11-01T16:36:30.626+00:00 · 1.841s
  3. HEAD https://hourofai.org/ → 307 · Location: /en-US · 2026-11-01T16:36:32.467+00:00 · 1.644s
  4. HEAD https://hourofai.org/en-US → 200 · 2026-11-01T16:36:34.112+00:00 · 0.462s
  5. GET https://code.org/learn → 307 · Location: https://hourofcode.com/learn · 2026-11-01T16:36:34.573+00:00 · 0.458s
  6. GET https://hourofcode.com/learn → 301 · Location: https://hourofai.org/ · 2026-11-01T16:36:35.032+00:00 · 0.459s
  7. GET https://hourofai.org/ → 307 · Location: /en-US · 2026-11-01T16:36:35.491+00:00 · 1.677s
  8. GET https://hourofai.org/en-US → 200 · 2026-11-01T16:36:37.168+00:00 · 0.509s
teacher-workbook.pdf · p. 7 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. Scratch educator resources; https://scratch.mit.edu/educators/
https://scratch.mit.edu/educators/
Final: https://www.scratchfoundation.org/learn/for-educatorsExtracted from: annotation, text		 REDIRECTED

Destination changed materially; review resource relevance

Open the destination and verify it still matches the activity.

Checked 2026-11-01T16:36:44.517+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: redirected · 2026-11-01T16:36:40.813+00:00

  1. HEAD https://scratch.mit.edu/educators/ → 301 · Location: https://www.scratchfoundation.org/learn/for-educators · 2026-11-01T16:36:40.813+00:00 · 1.15s
  2. HEAD https://www.scratchfoundation.org/learn/for-educators → 200 · 2026-11-01T16:36:41.963+00:00 · 0.435s
  3. GET https://scratch.mit.edu/educators/ → 301 · Location: https://www.scratchfoundation.org/learn/for-educators · 2026-11-01T16:36:43.329+00:00 · 0.902s
  4. GET https://www.scratchfoundation.org/learn/for-educators → 200 · 2026-11-01T16:36:44.231+00:00 · 0.285s
teacher-workbook.pdf · p. 9 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. News Literacy Project education
https://newslit.org/educators/
Final: https://newslit.org/teach/Extracted from: annotation		 REDIRECTED

Destination changed materially; review resource relevance

Open the destination and verify it still matches the activity.

Checked 2026-11-01T16:36:42.738+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: redirected · 2026-11-01T16:36:37.611+00:00

  1. HEAD https://newslit.org/educators/ → 301 · Location: https://newslit.org/teach/ · 2026-11-01T16:36:37.611+00:00 · 0.945s
  2. HEAD https://newslit.org/teach/ → 200 · 2026-11-01T16:36:38.556+00:00 · 0.222s
  3. GET https://newslit.org/educators/ → 301 · Location: https://newslit.org/teach/ · 2026-11-01T16:36:39.056+00:00 · 1.163s
  4. GET https://newslit.org/teach/ → 200 · 2026-11-01T16:36:40.222+00:00 · 2.516s
teacher-workbook.pdf · p. 10 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. NASA Climate Kids; https://climatekids.nasa.gov/
https://climatekids.nasa.gov/
Final: https://science.nasa.gov/kids/earth/Extracted from: annotation, text		 REDIRECTED

Destination changed materially; review resource relevance

Open the destination and verify it still matches the activity.

Checked 2026-11-01T16:36:32.851+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: redirected · 2026-11-01T16:36:28.986+00:00

  1. HEAD https://climatekids.nasa.gov/ → 301 · Location: https://science.nasa.gov/kids/earth · 2026-11-01T16:36:28.986+00:00 · 0.771s
  2. HEAD https://science.nasa.gov/kids/earth → 301 · Location: https://science.nasa.gov/kids/earth/ · 2026-11-01T16:36:29.757+00:00 · 0.757s
  3. HEAD https://science.nasa.gov/kids/earth/ → 200 · 2026-11-01T16:36:30.514+00:00 · 0.247s
  4. GET https://climatekids.nasa.gov/ → 301 · Location: https://science.nasa.gov/kids/earth · 2026-11-01T16:36:30.761+00:00 · 0.251s
  5. GET https://science.nasa.gov/kids/earth → 301 · Location: https://science.nasa.gov/kids/earth/ · 2026-11-01T16:36:31.014+00:00 · 1.598s
  6. GET https://science.nasa.gov/kids/earth/ → 200 · 2026-11-01T16:36:32.612+00:00 · 0.238s

2. Unverified · 11 references

PDF / page / versionResource / anchorFinding / next action
teacher-workbook.pdf · p. 1 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.noaa.gov/education
https://www.noaa.gov/educationExtracted from: text		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:49.416+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:49.352+00:00

  1. HEAD https://www.noaa.gov/education → 403 · 2026-11-01T16:36:49.352+00:00 · 0.064s
teacher-workbook.pdf · p. 4 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. Smithsonian education
https://www.si.edu/educatorsExtracted from: annotation		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:50.155+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:50.102+00:00

  1. HEAD https://www.si.edu/educators → 403 · 2026-11-01T16:36:50.102+00:00 · 0.053s
teacher-workbook.pdf · p. 4 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.worldwildlife.org/species
https://www.worldwildlife.org/speciesExtracted from: text		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:52.177+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:52.129+00:00

  1. HEAD https://www.worldwildlife.org/species → 403 · 2026-11-01T16:36:52.129+00:00 · 0.048s
teacher-workbook.pdf · p. 5 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.loc.gov/classroom-materials/
https://www.loc.gov/classroom-materials/Extracted from: text		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:47.234+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:47.129+00:00

  1. HEAD https://www.loc.gov/classroom-materials/ → 403 · 2026-11-01T16:36:47.129+00:00 · 0.105s
teacher-workbook.pdf · p. 5 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. Primary-source detective cards
https://www.loc.gov/classroom-materials/curious-planet-source-set-2016/Extracted from: annotation		 UNVERIFIED

Check incomplete: access_restricted

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:47.234+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:47.234+00:00

  1. HEAD https://www.loc.gov/classroom-materials/curious-planet-source-set-2016/ → no HTTP answer · Host checks paused after access restriction · 2026-11-01T16:36:47.234+00:00 · 0s
teacher-workbook.pdf · p. 6 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. Smithsonian Learning Lab
https://learninglab.si.edu/Extracted from: annotation		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:29.047+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:28.989+00:00

  1. HEAD https://learninglab.si.edu/ → 403 · 2026-11-01T16:36:28.989+00:00 · 0.058s
teacher-workbook.pdf · p. 6 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. British Museum learning
https://www.britishmuseum.org/learnExtracted from: annotation		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:45.097+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:45.041+00:00

  1. HEAD https://www.britishmuseum.org/learn → 403 · 2026-11-01T16:36:45.041+00:00 · 0.055s
teacher-workbook.pdf · p. 8 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. The Met educator resources
https://www.metmuseum.org/learn/educatorsExtracted from: annotation		 UNVERIFIED

HTTP 429: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:48.203+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:47.452+00:00

  1. HEAD https://www.metmuseum.org/learn/educators → 429 · 2026-11-01T16:36:47.452+00:00 · 0.75s
teacher-workbook.pdf · p. 8 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. Looking closely printable; https://www.metmuseum.org/learn/educators/curious-planet-printable-2015.pdf
https://www.metmuseum.org/learn/educators/curious-planet-printable-2015.pdfExtracted from: annotation, text		 UNVERIFIED

Check incomplete: access_restricted

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:48.203+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:47.817+00:00

  1. HEAD https://www.metmuseum.org/learn/educators/curious-planet-printable-2015.pdf → no HTTP answer · Host checks paused after access restriction · 2026-11-01T16:36:47.817+00:00 · 0s
teacher-workbook.pdf · p. 8 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. National Gallery of Art learning
https://www.nga.gov/learn.htmlExtracted from: annotation		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:49.352+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:49.312+00:00

  1. HEAD https://www.nga.gov/learn.html → 403 · 2026-11-01T16:36:49.312+00:00 · 0.04s
teacher-workbook.pdf · p. 9 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. KQED education
https://www.kqed.org/educationExtracted from: annotation		 UNVERIFIED

HTTP 403: access restricted; no bypass or immediate retry

Check manually or rerun later; no broken-link claim.

Checked 2026-11-01T16:36:47.129+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: unverified · 2026-11-01T16:36:46.996+00:00

  1. HEAD https://www.kqed.org/education → 403 · 2026-11-01T16:36:46.996+00:00 · 0.133s

3. OK summary · 20 references

Show successful page references
PDF / page / versionResource / anchorFinding / next action
teacher-workbook.pdf · p. 1 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. NASA Space Place; https://spaceplace.nasa.gov/
https://spaceplace.nasa.gov/Extracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:46.893+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:43.298+00:00

  1. HEAD https://spaceplace.nasa.gov/ → 200 · 2026-11-01T16:36:43.298+00:00 · 2.03s
  2. GET https://spaceplace.nasa.gov/ → 200 · 2026-11-01T16:36:45.328+00:00 · 1.564s
teacher-workbook.pdf · p. 1 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. NASA learning resources
https://www.nasa.gov/learning-resources/Extracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:49.312+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:48.203+00:00

  1. HEAD https://www.nasa.gov/learning-resources/ → 200 · 2026-11-01T16:36:48.203+00:00 · 0.035s
  2. GET https://www.nasa.gov/learning-resources/ → 200 · 2026-11-01T16:36:49.267+00:00 · 0.044s
teacher-workbook.pdf · p. 2 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. NOAA ocean learning
https://oceanservice.noaa.gov/education/Extracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:40.887+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:37.680+00:00

  1. HEAD https://oceanservice.noaa.gov/education/ → 200 · 2026-11-01T16:36:37.680+00:00 · 1.412s
  2. GET https://oceanservice.noaa.gov/education/ → 200 · 2026-11-01T16:36:39.092+00:00 · 1.795s
teacher-workbook.pdf · p. 2 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. EPA student resources; https://www.epa.gov/students
https://www.epa.gov/studentsExtracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:46.996+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:46.444+00:00

  1. HEAD https://www.epa.gov/students → 200 · 2026-11-01T16:36:46.445+00:00 · 0.05s
  2. GET https://www.epa.gov/students → 200 · 2026-11-01T16:36:46.945+00:00 · 0.05s
teacher-workbook.pdf · p. 2 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. Water-cycle fieldwork pack
https://www.usgs.gov/schoolyard-science/teacher-packs/water-cycle-2017.pdfExtracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:51.106+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:50.560+00:00

  1. HEAD https://www.usgs.gov/schoolyard-science/teacher-packs/water-cycle-2017.pdf → 202 · 2026-11-01T16:36:50.560+00:00 · 0.045s
  2. GET https://www.usgs.gov/schoolyard-science/teacher-packs/water-cycle-2017.pdf → 202 · 2026-11-01T16:36:51.061+00:00 · 0.045s
teacher-workbook.pdf · p. 2 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.usgs.gov/special-topics/water-science-school
https://www.usgs.gov/special-topics/water-science-schoolExtracted from: text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:52.129+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:51.106+00:00

  1. HEAD https://www.usgs.gov/special-topics/water-science-school → 202 · 2026-11-01T16:36:51.561+00:00 · 0.039s
  2. GET https://www.usgs.gov/special-topics/water-science-school → 202 · 2026-11-01T16:36:52.061+00:00 · 0.068s
teacher-workbook.pdf · p. 3 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. NCES Create a Graph
https://nces.ed.gov/nceskids/createagraph/Extracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:37.611+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:32.330+00:00

  1. HEAD https://nces.ed.gov/nceskids/createagraph/ → 200 · 2026-11-01T16:36:32.330+00:00 · 1.662s
  2. GET https://nces.ed.gov/nceskids/createagraph/ → 200 · 2026-11-01T16:36:35.803+00:00 · 1.807s
teacher-workbook.pdf · p. 3 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. Census: Statistics in Schools
https://www.census.gov/programs-surveys/sis.htmlExtracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:45.691+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:45.097+00:00

  1. HEAD https://www.census.gov/programs-surveys/sis.html → 200 · 2026-11-01T16:36:45.097+00:00 · 0.106s
  2. GET https://www.census.gov/programs-surveys/sis.html → 200 · 2026-11-01T16:36:45.597+00:00 · 0.093s
teacher-workbook.pdf · p. 3 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. Math is Fun: data; https://www.mathsisfun.com/data/
https://www.mathsisfun.com/data/Extracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:47.817+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:47.234+00:00

  1. HEAD https://www.mathsisfun.com/data/ → 200 · 2026-11-01T16:36:47.234+00:00 · 0.058s
  2. GET https://www.mathsisfun.com/data/ → 200 · 2026-11-01T16:36:47.734+00:00 · 0.082s
teacher-workbook.pdf · p. 4 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. National Geographic Kids
https://kids.nationalgeographic.com/Extracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:32.330+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:28.987+00:00

  1. HEAD https://kids.nationalgeographic.com/ → 200 · 2026-11-01T16:36:28.988+00:00 · 1.441s
  2. GET https://kids.nationalgeographic.com/ → 200 · 2026-11-01T16:36:30.428+00:00 · 1.9s
teacher-workbook.pdf · p. 4 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 4. National Park Service learning; https://www.nps.gov/learnandexplore/index.htm
https://www.nps.gov/learnandexplore/index.htmExtracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:49.969+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:49.416+00:00

  1. HEAD https://www.nps.gov/learnandexplore/index.htm → 200 · 2026-11-01T16:36:49.416+00:00 · 0.039s
  2. GET https://www.nps.gov/learnandexplore/index.htm → 200 · 2026-11-01T16:36:49.916+00:00 · 0.051s
teacher-workbook.pdf · p. 5 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 1. ReadWriteThink classroom resources
https://www.readwritethink.org/classroom-resourcesExtracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:50.560+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:49.969+00:00

  1. HEAD https://www.readwritethink.org/classroom-resources → 200 · 2026-11-01T16:36:49.969+00:00 · 0.048s
  2. GET https://www.readwritethink.org/classroom-resources → 200 · 2026-11-01T16:36:50.469+00:00 · 0.09s
teacher-workbook.pdf · p. 6 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.archives.gov/education
https://www.archives.gov/educationExtracted from: text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:46.190+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:44.517+00:00

  1. HEAD https://www.archives.gov/education → 200 · 2026-11-01T16:36:44.517+00:00 · 1.048s
  2. GET https://www.archives.gov/education → 200 · 2026-11-01T16:36:45.566+00:00 · 0.623s
teacher-workbook.pdf · p. 6 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 2. DocsTeach; https://www.docsteach.org/
https://www.docsteach.org/
Final: https://docsteach.org/Extracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:49.518+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:46.190+00:00

  1. HEAD https://www.docsteach.org/ → 301 · Location: https://docsteach.org/ · 2026-11-01T16:36:46.190+00:00 · 0.923s
  2. HEAD https://docsteach.org/ → 200 · 2026-11-01T16:36:47.113+00:00 · 0.819s
  3. GET https://www.docsteach.org/ → 301 · Location: https://docsteach.org/ · 2026-11-01T16:36:47.932+00:00 · 0.488s
  4. GET https://docsteach.org/ → 200 · 2026-11-01T16:36:48.421+00:00 · 1.096s
teacher-workbook.pdf · p. 7 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. PhET simulations
https://phet.colorado.edu/Extracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:40.812+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:40.221+00:00

  1. HEAD https://phet.colorado.edu/ → 200 · 2026-11-01T16:36:40.221+00:00 · 0.109s
  2. GET https://phet.colorado.edu/ → 200 · 2026-11-01T16:36:40.721+00:00 · 0.091s
teacher-workbook.pdf · p. 8 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.tate.org.uk/kids
https://www.tate.org.uk/kidsExtracted from: text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:52.480+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:50.155+00:00

  1. HEAD https://www.tate.org.uk/kids → 200 · 2026-11-01T16:36:50.155+00:00 · 1.168s
  2. GET https://www.tate.org.uk/kids → 200 · 2026-11-01T16:36:51.324+00:00 · 1.156s
teacher-workbook.pdf · p. 9 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://www.commonsense.org/education
https://www.commonsense.org/educationExtracted from: text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:46.444+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:45.691+00:00

  1. HEAD https://www.commonsense.org/education → 200 · 2026-11-01T16:36:45.691+00:00 · 0.25s
  2. GET https://www.commonsense.org/education → 200 · 2026-11-01T16:36:46.191+00:00 · 0.251s
teacher-workbook.pdf · p. 9 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. PBS LearningMedia; https://www.pbslearningmedia.org/
https://www.pbslearningmedia.org/Extracted from: annotation, text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:50.102+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:49.518+00:00

  1. HEAD https://www.pbslearningmedia.org/ → 200 · 2026-11-01T16:36:49.519+00:00 · 0.191s
  2. GET https://www.pbslearningmedia.org/ → 200 · 2026-11-01T16:36:50.019+00:00 · 0.083s
teacher-workbook.pdf · p. 10 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 https://sdgs.un.org/goals
https://sdgs.un.org/goalsExtracted from: text		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:43.298+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:42.739+00:00

  1. HEAD https://sdgs.un.org/goals → 200 · 2026-11-01T16:36:42.739+00:00 · 0.066s
  2. GET https://sdgs.un.org/goals → 200 · 2026-11-01T16:36:43.239+00:00 · 0.058s
teacher-workbook.pdf · p. 10 SHA-256 121601bf6560…
sample/teacher-workbook.pdf		 3. Exploratorium learning
https://www.exploratorium.edu/educationExtracted from: annotation		 OK

HTTP success; content relevance not verified

No HTTP repair indicated; review content suitability separately.

Checked 2026-11-01T16:36:47.452+00:00
Recheck: not needed / not attempted
HTTP evidence & redirect chains

Attempt 1: ok · 2026-11-01T16:36:46.894+00:00

  1. HEAD https://www.exploratorium.edu/education → 200 · 2026-11-01T16:36:46.894+00:00 · 0.104s
  2. GET https://www.exploratorium.edu/education → 200 · 2026-11-01T16:36:47.394+00:00 · 0.057s

Changes since the previous run

Initial baseline. No “new” or “fixed” claims are made without a previous snapshot.

Document versions & extraction warnings