OPEN INSTRUMENTS

SEMANTIC HTML · ARCHIVED RESULTS

Semantic HTML.
Compare what tools preserve.

The same text. One markup change.
Two outputs to inspect, with evidence.

Explore an archived run from 20 September 2026, re-evaluated on 21 September. No extraction runs during your visit.

EXPLORE THE CONTROLLED CORPUS

Heading

newspaper4k 0.9.3.1 · Extractor / reading tool · French document

All 42 comparisons

The check distinguishes heading text, markup and level. It does not evaluate whether content belongs to a section. Test scope.

A

VARIANT A

An h2 heading

Output produced

Heading text : Present. Source

01 · The HTML change

<h2 class="case-marker">Conditions de mesure</h2>

Exact input excerpt · Original HTML ↓

02 · What the tool produces HTML

…
<h2 class="case-marker">Conditions de mesure</h2><p>Le capteur A a fonctionn&#233; pendant 30 minutes. La mesure a &#233;t&#233; r&#233;p&#233;t&#233;e dans le m&#234;me environnement, sans ressource distante ni script ex&#233;cut&#233;.</p><p>La conclusion doit &#234;tre relue avec son unit&#233;, sa p&#233;riode, son p&#233;rim&#232;tre et sa r&#233;serve. La pr&#233;sence d&#8217;un mot dans une sortie ne suffit pas &#224; prouver que la relation a &#233;t&#233; conserv&#233;e.</p></div>

Excerpt identified by the corrected evaluator. Full output below.

03 · The documented observation

Heading text
Present
Heading markup
Explicit relationship
Heading level
h2
Section membership
Not evaluated

Verdict source: results.json · heading-fr-1 / newspaper4k

Inspect the full evidence

The verdicts above come from corrected results.json. The raw file’s evaluation fields are historical and are not authoritative here.

results.json/cases/0/evaluation/relation/newspaper4k

Corrected verdict, unchanged
{
  "status": "ok",
  "tool_class": "content_extractor",
  "format": "html",
  "heading_relation": "explicit",
  "heading_level": "h2",
  "evidence": {
    "excerpt": "<h2 class=\"case-marker\">Conditions de mesure</h2>"
  },
  "output_field": "additional_extractors.newspaper4k.html",
  "output_sha256": "fb437ae04cd3021a73162bb5e1849bab67bacb3913d5db850a03daf73a00b43b"
}
Complete studied output field

additional_extractors.newspaper4k.html

<div><h1>Protocole hors ligne de conservation des relations</h1><p>Ce document synth&#233;tique sert &#224; comparer deux balisages &#224; texte, ordre, classes et environnement identiques. Les donn&#233;es sont fictives et ne d&#233;crivent ni Edikka ni un client.</p><h2 class="case-marker">Conditions de mesure</h2><p>Le capteur A a fonctionn&#233; pendant 30 minutes. La mesure a &#233;t&#233; r&#233;p&#233;t&#233;e dans le m&#234;me environnement, sans ressource distante ni script ex&#233;cut&#233;.</p><p>La conclusion doit &#234;tre relue avec son unit&#233;, sa p&#233;riode, son p&#233;rim&#232;tre et sa r&#233;serve. La pr&#233;sence d&#8217;un mot dans une sortie ne suffit pas &#224; prouver que la relation a &#233;t&#233; conserv&#233;e.</p></div>
Archived version and options

newspaper4k 0.9.3.1 · Execution 2026-09-20

{
  "version": "0.9.3.1",
  "configuration": "No configuration field in this output; consult the archived runner."
}

Archived runner · Python options

SHA-256 hashes
HTML input
83625fd369cd7e5294b81f954d1f846b53c3f9f7a8aa1d48ab7d3bd6e023493d
Evaluated output field
fb437ae04cd3021a73162bb5e1849bab67bacb3913d5db850a03daf73a00b43b

Complete raw output file ↗

B

VARIANT B

A div block

Output produced

Heading text : Present. Source

01 · The HTML change

<div class="case-marker">Conditions de mesure</div>

Exact input excerpt · Original HTML ↓

02 · What the tool produces HTML

…
</p>Conditions de mesure<p>Le capteur A a fonctionn&#233; pendant 30 minutes. La mesure a &#233;t&#233; r&#233;p&#233;t&#233;e dans le m&#234;me environnement, sans ressource distante ni script ex&#233;cut&#233;.</p><p>La conclusion doit &#234;tre relue avec son unit&#233;, sa p&#233;riode, son p&#233;rim&#232;tre et sa r&#233;serve. La pr&#233;sence d&#8217;un mot dans une sortie ne suffit pas &#224; prouver que la relation a &#233;t&#233; conserv&#233;e.</p></div>

Excerpt identified by the corrected evaluator. Full output below.

03 · The documented observation

Heading text
Present
Heading markup
Text only
Heading level
No level detected
Section membership
Not evaluated

Verdict source: results.json · heading-fr-2 / newspaper4k

Inspect the full evidence

The verdicts above come from corrected results.json. The raw file’s evaluation fields are historical and are not authoritative here.

results.json/cases/1/evaluation/relation/newspaper4k

Corrected verdict, unchanged
{
  "status": "ok",
  "tool_class": "content_extractor",
  "format": "html",
  "heading_relation": "text_only",
  "heading_level": null,
  "evidence": {
    "excerpt": "Conditions de mesure"
  },
  "output_field": "additional_extractors.newspaper4k.html",
  "output_sha256": "bdb9e1a044438506f2106fdd3a7f3583abbb073c9598afc82d62ffd589f0aade"
}
Complete studied output field

additional_extractors.newspaper4k.html

<div><h1>Protocole hors ligne de conservation des relations</h1><p>Ce document synth&#233;tique sert &#224; comparer deux balisages &#224; texte, ordre, classes et environnement identiques. Les donn&#233;es sont fictives et ne d&#233;crivent ni Edikka ni un client.</p>Conditions de mesure<p>Le capteur A a fonctionn&#233; pendant 30 minutes. La mesure a &#233;t&#233; r&#233;p&#233;t&#233;e dans le m&#234;me environnement, sans ressource distante ni script ex&#233;cut&#233;.</p><p>La conclusion doit &#234;tre relue avec son unit&#233;, sa p&#233;riode, son p&#233;rim&#232;tre et sa r&#233;serve. La pr&#233;sence d&#8217;un mot dans une sortie ne suffit pas &#224; prouver que la relation a &#233;t&#233; conserv&#233;e.</p></div>
Archived version and options

newspaper4k 0.9.3.1 · Execution 2026-09-20

{
  "version": "0.9.3.1",
  "configuration": "No configuration field in this output; consult the archived runner."
}

Archived runner · Python options

SHA-256 hashes
HTML input
e502000054065bea220ff9f84a755015f5a6d3e7f19b2fff31809c21cb45bc33
Evaluated output field
bdb9e1a044438506f2106fdd3a7f3583abbb073c9598afc82d62ffd589f0aade

Complete raw output file ↗

Identical text and isolated intervention within this pair, according to the protocol witnesses. Translations are not independent observations. View pair witnesses.

LOOK FURTHER

Every result has a scope.

These observations do not rank tools. They do not measure overall accessibility, search ranking, or understanding or citation by AI.

Claims excluded by the protocol
The eight real pagesA separate corpus, with documented instability. ↗Evaluator counter-testsChecking evaluation without rerunning extractors. ↗Reproduce the runsA local procedure, separate from this interface. ↗