{
  "version": "2026-09-10-r2",
  "dataset": "Independent news-source density and repeated AI web-research appearance for 30 Vietnam supplier candidates",
  "checked_at": "2026-09-10T17:55:00+07:00",
  "sample_definition": "Top 30 distinct companies selected after observing the outcome: number of appearances in the public 30-prompt Codex web-research evidence ledger; ties sorted by evidence rows and company name. Companies with zero appearances are absent.",
  "estimand_warning": "This outcome-conditioned sample can describe repetition among selected candidates only. It cannot estimate whether independent-source density changes the probability that a company enters a shortlist.",
  "news_source": "Google News RSS exact-name query, English US interface, rolling 12 months, executed on the check date.",
  "ai_outcome_definition": "Number of distinct prompt IDs in which a company appeared as a candidate in one Codex web-research run. This is not consumer ChatGPT recommendation rate.",
  "summary": {
    "companies": 30,
    "with_at_least_one_independent_news_domain": 7,
    "with_at_least_five_independent_news_domains": 2,
    "companies_appearing_in_two_or_more_prompts": 10,
    "spearman_prompt_appearances_vs_independent_news_domains": 0.23,
    "unambiguous_company_subset": 12,
    "spearman_unambiguous_subset": 0
  },
  "rows": [
    {
      "company": "Dien Quang Group Joint Stock Company",
      "company_domain": "dienquang.com",
      "prompt_appearances_in_30_prompt_snapshot": 3,
      "evidence_rows_in_snapshot": 3,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Dien+Quang+Group+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "ETEK",
      "company_domain": "etekpack.com",
      "prompt_appearances_in_30_prompt_snapshot": 3,
      "evidence_rows_in_snapshot": 3,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 33,
      "independent_news_source_domains_last_12_months": 12,
      "independent_news_domains": [
        "groupmaire.com",
        "chargedevs.com",
        "renewablematter.eu",
        "tradingview.com",
        "gov.cy",
        "cyprus-mail.com",
        "en.philenews.com",
        "kiprinform.com",
        "cbn.com.cy",
        "cna.org.cy",
        "knews.kathimerini.com.cy",
        "news.cyprus-property-buyers.com"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22ETEK%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "TBS Group",
      "company_domain": "tbsgroup.vn",
      "prompt_appearances_in_30_prompt_snapshot": 3,
      "evidence_rows_in_snapshot": 3,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 9,
      "independent_news_source_domains_last_12_months": 7,
      "independent_news_domains": [
        "seenews.com",
        "the7.co.jp",
        "hollywoodreporter.com",
        "thewrap.com",
        "cjenm.com",
        "fuelcellsworks.com",
        "respawn.outlookindia.com"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22TBS+Group%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Telecommunications Equipment Manufacturing Co., Ltd. (TELEQ)",
      "company_domain": "ems.teleq.com.vn",
      "prompt_appearances_in_30_prompt_snapshot": 3,
      "evidence_rows_in_snapshot": 3,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Telecommunications+Equipment+Manufacturing+Co.%2C+Ltd.+%28TELEQ%29%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "An Thanh Trading Service Co., Ltd.",
      "company_domain": "packvn.com",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22An+Thanh+Trading+Service+Co.%2C+Ltd.%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Garco 10 Corporation",
      "company_domain": "garco10.com.vn",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 4,
      "independent_news_source_domains_last_12_months": 4,
      "independent_news_domains": [
        "fibre2fashion.com",
        "tribuneindia.com",
        "english.vov.vn",
        "aninews.in"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Garco+10+Corporation%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Huhtamaki Flexible Packaging Vietnam",
      "company_domain": "huhtamaki.com",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Huhtamaki+Flexible+Packaging+Vietnam%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "KPC Pack – Plastic JSC. Viet Nam",
      "company_domain": "kpcpack.com",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22KPC+Pack+%E2%80%93+Plastic+JSC.+Viet+Nam%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "POLYTEC Vietnam Co., Ltd.",
      "company_domain": "polytecvietnam.com",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22POLYTEC+Vietnam+Co.%2C+Ltd.%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "VinaCoffee",
      "company_domain": "vinacoffee.vn",
      "prompt_appearances_in_30_prompt_snapshot": 2,
      "evidence_rows_in_snapshot": 2,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22VinaCoffee%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Apex Dalat",
      "company_domain": "uniformsvietnam.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Apex+Dalat%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "CERAVI Joint Stock Company",
      "company_domain": "ceravi.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22CERAVI+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Chuan Kuo Ceramics Joint Stock Company",
      "company_domain": "ckporcelain.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Chuan+Kuo+Ceramics+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Co May Import Export Company Limited",
      "company_domain": "comayimexco.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Co+May+Import+Export+Company+Limited%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "DK Commodity Co., Ltd.",
      "company_domain": "dkltd.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22DK+Commodity+Co.%2C+Ltd.%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Dong A Corp",
      "company_domain": "vixmfg.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 1,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Dong+A+Corp%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Dong Giao Foodstuff Export Joint Stock Company",
      "company_domain": "doveco.com.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 2,
      "independent_news_source_domains_last_12_months": 2,
      "independent_news_domains": [
        "en.nhandan.vn",
        "vietnamnews.vn"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Dong+Giao+Foodstuff+Export+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Dong Tam Group",
      "company_domain": "dongtam.com.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 1,
      "independent_news_source_domains_last_12_months": 1,
      "independent_news_domains": [
        "vir.com.vn"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Dong+Tam+Group%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Duy Tan Plastics Manufacturing Corporation",
      "company_domain": "duytan.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 1,
      "independent_news_source_domains_last_12_months": 1,
      "independent_news_domains": [
        "en.vneconomy.vn"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Duy+Tan+Plastics+Manufacturing+Corporation%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "FOODTECH JSC",
      "company_domain": "foodtechjsc.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22FOODTECH+JSC%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "GENVIET Factory",
      "company_domain": "genviet.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22GENVIET+Factory%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Hanyoung Worldwrap",
      "company_domain": "hanyoungco.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Hanyoung+Worldwrap%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "HUCAFOOD",
      "company_domain": "giacongcafe.com",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22HUCAFOOD%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "HungHau Foods Joint Stock Company",
      "company_domain": "hfoods.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22HungHau+Foods+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Khanom Furniture",
      "company_domain": "khanomfurniture.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Khanom+Furniture%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Kien Giang Foodstuff Canning Joint Stock Company",
      "company_domain": "kifocan.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Kien+Giang+Foodstuff+Canning+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "L'amant Café",
      "company_domain": "lamantcafe.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22L%27amant+Caf%C3%A9%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Le Trung Thien Co., Ltd.",
      "company_domain": "vietnamdriedfruits.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Le+Trung+Thien+Co.%2C+Ltd.%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Long Son Joint Stock Company",
      "company_domain": "longson.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 1,
      "independent_news_source_domains_last_12_months": 1,
      "independent_news_domains": [
        "vietnamnet.vn"
      ],
      "ambiguity_flag": true,
      "query_url": "https://news.google.com/rss/search?q=%22Long+Son+Joint+Stock+Company%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    },
    {
      "company": "Long Truong Ceramics",
      "company_domain": "longtruong.com.vn",
      "prompt_appearances_in_30_prompt_snapshot": 1,
      "evidence_rows_in_snapshot": 1,
      "externally_supported_rows_in_original_snapshot": 0,
      "google_news_exact_name_results_last_12_months": 0,
      "independent_news_source_domains_last_12_months": 0,
      "independent_news_domains": [],
      "ambiguity_flag": false,
      "query_url": "https://news.google.com/rss/search?q=%22Long+Truong+Ceramics%22+when%3A1y&hl=en-US&gl=US&ceid=US%3Aen"
    }
  ],
  "limitations": [
    "The sample was selected by the outcome later analyzed, excludes zero-appearance companies and has no matched controls; it cannot answer shortlist-entry probability.",
    "Exact-name news queries can miss aliases and can include namesakes; 18/30 ambiguity flags do not replace manual entity resolution.",
    "Google News results are a changing discovery layer, not a complete archive or an endorsement.",
    "The AI outcome is one bounded Codex web-research snapshot, not repeated consumer ChatGPT sessions; correlation is descriptive and cannot establish causality."
  ]
}