{
 "analysis": "Added exploratory analysis, outside the registration: the registered figure chain run on the answers of Perplexity and Claude to the 50 questions of the main list.",
 "set": "addendum",
 "questions": 50,
 "partial": false,
 "rule": {
  "interval": "summary_figures.interval: 10000 resamples of questions, seed 1109872877, percentile bounds",
  "minimum": "no share for a cell of fewer than 5 units (a pooled share by readable pages needs 5 answers and 5 figures), no median for fewer than 5 answers"
 },
 "notes": [
  "engines: the entry the frozen summary_figures.main writes for an engine, unchanged.",
  "Perplexity: no citation ties a passage to a source address, so found_attached is 0 by construction and every found figure is found_elsewhere; the attached view is not available.",
  "Claude: a figure is attached to a page when a cited text block of the API response lies in the figure's line and names that page.",
  "Sponsored labels and shopping cards were not recorded for the added engines: those counts are 0 by construction and found_without_sponsored_answers equals found.",
  "The registered engines in like_for_like are read from work/check/<engine>/main/ and reproduce work/summary/main.json."
 ],
 "pages": {
  "answers_collected": {
   "perplexity": [
    "2026-10-06T17:07:44+0300",
    "2026-10-06T22:08:43+0300"
   ],
   "claude": [
    "2026-10-06T22:39:09+0300",
    "2026-10-06T22:44:45+0300"
   ]
  },
  "distinct_addresses_cited": 722,
  "reused_from_the_registered_sets": {
   "addresses": 147,
   "readable": 144,
   "fetched_from": "2026-10-05T10:28:33.007-04:00",
   "fetched_until": "2026-10-07T07:10:15.187-04:00"
  },
  "fetched_for_this_analysis": {
   "addresses": 575,
   "readable": 457,
   "fetched_from": "2026-10-07T16:57:09.561-04:00",
   "fetched_until": "2026-10-07T21:56:13.573-04:00"
  },
  "addresses_without_a_complete_fetch": 0,
  "readable_addresses": 601
 },
 "engines": {
  "perplexity": {
   "questions": {
    "ok": 50,
    "no_aio": 0,
    "no_answer": 0,
    "parse_failed": 0,
    "no_record": 0
   },
   "answers": {
    "with_figures": 47,
    "without_figures": 3,
    "empty_text": 0,
    "extraction_failed": 0,
    "not_checked": 0
   },
   "answers_with_sponsored_label": {
    "on_page": 0,
    "in_answer": 0
   },
   "answers_with_shopping_cards_removed": 0,
   "figures": 755,
   "outcomes": {
    "found_attached": 0,
    "found_elsewhere": 644,
    "not_found": 2,
    "no_source": 0,
    "access_failure": 107,
    "instrument_gap": 2
   },
   "found": {
    "n": 644,
    "of": 755,
    "share": 0.853
   },
   "found_attached": {
    "n": 0,
    "of": 755,
    "share": 0.0
   },
   "found_without_unknowns": {
    "n": 644,
    "of": 646,
    "share": 0.9969
   },
   "found_attached_without_unknowns": {
    "n": 0,
    "of": 646,
    "share": 0.0
   },
   "found_in_fully_readable_answers": {
    "n": 61,
    "of": 63,
    "share": 0.9683
   },
   "found_without_unseen_markers": {
    "n": 644,
    "of": 755,
    "share": 0.853
   },
   "found_without_sponsored_answers": {
    "n": 644,
    "of": 755,
    "share": 0.853
   },
   "not_found_labels": {
    "absent": 0,
    "partial": 2,
    "rounded": 0,
    "derived": 0,
    "present": 0,
    "unlabelled": 0,
    "absent_quote_unconfirmed": 0
   },
   "median_share_per_answer": 0.9365,
   "median_interval_95": [
    0.8636,
    1.0
   ],
   "by_sector": {
    "ai_tools": {
     "figures": 116,
     "found": 115,
     "found_attached": 0,
     "found_elsewhere": 115,
     "not_found": 0,
     "no_source": 0,
     "access_failure": 1,
     "instrument_gap": 0,
     "share": 0.9914
    },
    "business_software": {
     "figures": 250,
     "found": 200,
     "found_attached": 0,
     "found_elsewhere": 200,
     "not_found": 0,
     "no_source": 0,
     "access_failure": 49,
     "instrument_gap": 1,
     "share": 0.8
    },
    "consumer_electronics": {
     "figures": 117,
     "found": 107,
     "found_attached": 0,
     "found_elsewhere": 107,
     "not_found": 0,
     "no_source": 0,
     "access_failure": 10,
     "instrument_gap": 0,
     "share": 0.9145
    },
    "legal_local_services": {
     "figures": 105,
     "found": 90,
     "found_attached": 0,
     "found_elsewhere": 90,
     "not_found": 2,
     "no_source": 0,
     "access_failure": 13,
     "instrument_gap": 0,
     "share": 0.8571
    },
    "personal_finance": {
     "figures": 98,
     "found": 80,
     "found_attached": 0,
     "found_elsewhere": 80,
     "not_found": 0,
     "no_source": 0,
     "access_failure": 18,
     "instrument_gap": 0,
     "share": 0.8163
    },
    "travel": {
     "figures": 69,
     "found": 52,
     "found_attached": 0,
     "found_elsewhere": 52,
     "not_found": 0,
     "no_source": 0,
     "access_failure": 16,
     "instrument_gap": 1,
     "share": 0.7536
    }
   }
  },
  "claude": {
   "questions": {
    "ok": 50,
    "no_aio": 0,
    "no_answer": 0,
    "parse_failed": 0,
    "no_record": 0
   },
   "answers": {
    "with_figures": 50,
    "without_figures": 0,
    "empty_text": 0,
    "extraction_failed": 0,
    "not_checked": 0
   },
   "answers_with_sponsored_label": {
    "on_page": 0,
    "in_answer": 0
   },
   "answers_with_shopping_cards_removed": 0,
   "figures": 939,
   "outcomes": {
    "found_attached": 574,
    "found_elsewhere": 248,
    "not_found": 32,
    "no_source": 13,
    "access_failure": 71,
    "instrument_gap": 1
   },
   "found": {
    "n": 822,
    "of": 939,
    "share": 0.8754
   },
   "found_attached": {
    "n": 574,
    "of": 939,
    "share": 0.6113
   },
   "found_without_unknowns": {
    "n": 822,
    "of": 867,
    "share": 0.9481
   },
   "found_attached_without_unknowns": {
    "n": 574,
    "of": 867,
    "share": 0.6621
   },
   "found_in_fully_readable_answers": {
    "n": 397,
    "of": 430,
    "share": 0.9233
   },
   "found_without_unseen_markers": {
    "n": 822,
    "of": 939,
    "share": 0.8754
   },
   "found_without_sponsored_answers": {
    "n": 822,
    "of": 939,
    "share": 0.8754
   },
   "not_found_labels": {
    "absent": 19,
    "partial": 8,
    "rounded": 5,
    "derived": 0,
    "present": 0,
    "unlabelled": 0,
    "absent_quote_unconfirmed": 1
   },
   "median_share_per_answer": 0.9303,
   "median_interval_95": [
    0.8889,
    0.9833
   ],
   "by_sector": {
    "ai_tools": {
     "figures": 119,
     "found": 118,
     "found_attached": 56,
     "found_elsewhere": 62,
     "not_found": 1,
     "no_source": 0,
     "access_failure": 0,
     "instrument_gap": 0,
     "share": 0.9916
    },
    "business_software": {
     "figures": 240,
     "found": 229,
     "found_attached": 172,
     "found_elsewhere": 57,
     "not_found": 1,
     "no_source": 0,
     "access_failure": 9,
     "instrument_gap": 1,
     "share": 0.9542
    },
    "consumer_electronics": {
     "figures": 127,
     "found": 104,
     "found_attached": 88,
     "found_elsewhere": 16,
     "not_found": 9,
     "no_source": 0,
     "access_failure": 14,
     "instrument_gap": 0,
     "share": 0.8189
    },
    "legal_local_services": {
     "figures": 182,
     "found": 168,
     "found_attached": 106,
     "found_elsewhere": 62,
     "not_found": 2,
     "no_source": 0,
     "access_failure": 12,
     "instrument_gap": 0,
     "share": 0.9231
    },
    "personal_finance": {
     "figures": 162,
     "found": 126,
     "found_attached": 96,
     "found_elsewhere": 30,
     "not_found": 5,
     "no_source": 0,
     "access_failure": 31,
     "instrument_gap": 0,
     "share": 0.7778
    },
    "travel": {
     "figures": 109,
     "found": 77,
     "found_attached": 56,
     "found_elsewhere": 21,
     "not_found": 14,
     "no_source": 13,
     "access_failure": 5,
     "instrument_gap": 0,
     "share": 0.7064
    }
   }
  }
 },
 "like_for_like": {
  "all_answers_with_figures": {
   "google_aio": {
    "answers": 47,
    "median": 0.8214,
    "interval_95": [
     0.7222,
     0.9231
    ]
   },
   "chatgpt": {
    "answers": 47,
    "median": 0.5455,
    "interval_95": [
     0.4,
     0.6923
    ]
   },
   "gemini": {
    "answers": 50,
    "median": 0.7321,
    "interval_95": [
     0.6583,
     0.8333
    ]
   },
   "perplexity": {
    "answers": 47,
    "median": 0.9365,
    "interval_95": [
     0.8636,
     1.0
    ]
   },
   "claude": {
    "answers": 50,
    "median": 0.9303,
    "interval_95": [
     0.8889,
     0.9833
    ]
   }
  },
  "common_questions_five_engines": {
   "questions": 41,
   "ids": [
    "AIT-04",
    "FIN-01",
    "FIN-02",
    "TRV-06",
    "SVC-08",
    "ELC-16",
    "BIZ-01",
    "TRV-09",
    "BIZ-07",
    "FIN-05",
    "AIT-16",
    "SVC-10",
    "BIZ-02",
    "BIZ-05",
    "BIZ-06",
    "AIT-06",
    "SVC-17",
    "BIZ-17",
    "AIT-03",
    "FIN-14",
    "SVC-09",
    "ELC-12",
    "FIN-06",
    "SVC-15",
    "FIN-17",
    "TRV-11",
    "SVC-06",
    "SVC-01",
    "BIZ-13",
    "ELC-09",
    "ELC-03",
    "TRV-14",
    "ELC-10",
    "AIT-05",
    "FIN-15",
    "ELC-13",
    "AIT-10",
    "BIZ-08",
    "ELC-14",
    "TRV-15",
    "TRV-16"
   ],
   "google_aio": {
    "answers": 41,
    "median": 0.8214,
    "interval_95": [
     0.7222,
     0.9167
    ]
   },
   "chatgpt": {
    "answers": 41,
    "median": 0.5714,
    "interval_95": [
     0.4167,
     0.75
    ]
   },
   "gemini": {
    "answers": 41,
    "median": 0.7143,
    "interval_95": [
     0.6667,
     0.9091
    ]
   },
   "perplexity": {
    "answers": 41,
    "median": 0.9167,
    "interval_95": [
     0.8571,
     1.0
    ]
   },
   "claude": {
    "answers": 41,
    "median": 0.9091,
    "interval_95": [
     0.875,
     0.96
    ]
   }
  },
  "common_questions_four_engines": {
   "questions": 41,
   "ids": [
    "AIT-04",
    "FIN-01",
    "FIN-02",
    "TRV-06",
    "SVC-08",
    "ELC-16",
    "BIZ-01",
    "TRV-09",
    "BIZ-07",
    "FIN-05",
    "AIT-16",
    "SVC-10",
    "BIZ-02",
    "BIZ-05",
    "BIZ-06",
    "AIT-06",
    "SVC-17",
    "BIZ-17",
    "AIT-03",
    "FIN-14",
    "SVC-09",
    "ELC-12",
    "FIN-06",
    "SVC-15",
    "FIN-17",
    "TRV-11",
    "SVC-06",
    "SVC-01",
    "BIZ-13",
    "ELC-09",
    "ELC-03",
    "TRV-14",
    "ELC-10",
    "AIT-05",
    "FIN-15",
    "ELC-13",
    "AIT-10",
    "BIZ-08",
    "ELC-14",
    "TRV-15",
    "TRV-16"
   ],
   "google_aio": {
    "answers": 41,
    "median": 0.8214,
    "interval_95": [
     0.7222,
     0.9167
    ]
   },
   "chatgpt": {
    "answers": 41,
    "median": 0.5714,
    "interval_95": [
     0.4167,
     0.75
    ]
   },
   "gemini": {
    "answers": 41,
    "median": 0.7143,
    "interval_95": [
     0.6667,
     0.9091
    ]
   },
   "perplexity": {
    "answers": 41,
    "median": 0.9167,
    "interval_95": [
     0.8571,
     1.0
    ]
   }
  },
  "by_readable_pages": {
   "google_aio": {
    "answers_with_figures": 47,
    "answers_with_at_most_one_readable_page": {
     "n": 1,
     "of": 47,
     "share": 0.0213
    },
    "found_by_readable_pages": {
     "none": {
      "answers": 1,
      "n": 0,
      "of": 15,
      "share": null
     },
     "one": {
      "answers": 0,
      "n": 0,
      "of": 0,
      "share": null
     },
     "at_most_one": {
      "answers": 1,
      "n": 0,
      "of": 15,
      "share": null
     },
     "two_or_more": {
      "answers": 46,
      "n": 507,
      "of": 625,
      "share": 0.8112
     }
    },
    "median_cited_pages": 7,
    "median_readable_pages": 6
   },
   "chatgpt": {
    "answers_with_figures": 47,
    "answers_with_at_most_one_readable_page": {
     "n": 25,
     "of": 47,
     "share": 0.5319
    },
    "found_by_readable_pages": {
     "none": {
      "answers": 6,
      "n": 0,
      "of": 37,
      "share": 0.0
     },
     "one": {
      "answers": 19,
      "n": 81,
      "of": 171,
      "share": 0.4737
     },
     "at_most_one": {
      "answers": 25,
      "n": 81,
      "of": 208,
      "share": 0.3894
     },
     "two_or_more": {
      "answers": 22,
      "n": 186,
      "of": 262,
      "share": 0.7099
     }
    },
    "median_cited_pages": 2,
    "median_readable_pages": 1
   },
   "gemini": {
    "answers_with_figures": 50,
    "answers_with_at_most_one_readable_page": {
     "n": 12,
     "of": 50,
     "share": 0.24
    },
    "found_by_readable_pages": {
     "none": {
      "answers": 4,
      "n": 0,
      "of": 35,
      "share": null
     },
     "one": {
      "answers": 8,
      "n": 43,
      "of": 85,
      "share": 0.5059
     },
     "at_most_one": {
      "answers": 12,
      "n": 43,
      "of": 120,
      "share": 0.3583
     },
     "two_or_more": {
      "answers": 38,
      "n": 410,
      "of": 541,
      "share": 0.7579
     }
    },
    "median_cited_pages": 3.0,
    "median_readable_pages": 2.0
   },
   "perplexity": {
    "answers_with_figures": 47,
    "answers_with_at_most_one_readable_page": {
     "n": 0,
     "of": 47,
     "share": 0.0
    },
    "found_by_readable_pages": {
     "none": {
      "answers": 0,
      "n": 0,
      "of": 0,
      "share": null
     },
     "one": {
      "answers": 0,
      "n": 0,
      "of": 0,
      "share": null
     },
     "at_most_one": {
      "answers": 0,
      "n": 0,
      "of": 0,
      "share": null
     },
     "two_or_more": {
      "answers": 47,
      "n": 644,
      "of": 755,
      "share": 0.853
     }
    },
    "median_cited_pages": 10,
    "median_readable_pages": 9
   },
   "claude": {
    "answers_with_figures": 50,
    "answers_with_at_most_one_readable_page": {
     "n": 2,
     "of": 50,
     "share": 0.04
    },
    "found_by_readable_pages": {
     "none": {
      "answers": 2,
      "n": 0,
      "of": 13,
      "share": null
     },
     "one": {
      "answers": 0,
      "n": 0,
      "of": 0,
      "share": null
     },
     "at_most_one": {
      "answers": 2,
      "n": 0,
      "of": 13,
      "share": null
     },
     "two_or_more": {
      "answers": 48,
      "n": 822,
      "of": 926,
      "share": 0.8877
     }
    },
    "median_cited_pages": 6.0,
    "median_readable_pages": 5.0
   }
  },
  "perplexity_without_SVC-07": {
   "answer_has_figures": true,
   "answers": 46,
   "median": 0.9298,
   "interval_95": [
    0.8636,
    1.0
   ],
   "found": {
    "n": 641,
    "of": 752,
    "share": 0.8524
   },
   "common_questions_five_engines": {
    "answers": 41,
    "median": 0.9167,
    "interval_95": [
     0.8571,
     1.0
    ]
   },
   "common_questions_four_engines": {
    "answers": 41,
    "median": 0.9167,
    "interval_95": [
     0.8571,
     1.0
    ]
   }
  }
 }
}