{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:douyin_3175840754970228",
  "url": "https://koinonlink.com/kol/douyin/3175840754970228",
  "alternate": {
    "html": "https://koinonlink.com/kol/douyin/3175840754970228",
    "json": "https://koinonlink.com/kol/douyin/3175840754970228.json",
    "markdown": "https://koinonlink.com/kol/douyin/3175840754970228.md"
  },
  "identity": {
    "display_name": "AI学习神器",
    "handle": "3175840754970228",
    "platform": "douyin",
    "platform_url": "https://www.douyin.com/user/MS4wLjABAAAAUUzDJrGxNI9gd5PUvxaa8R2kiNEdlDoD_cjejYjJ90_vOdFHzhzqp8AyD0py6OV3",
    "website": null,
    "country": "CN",
    "country_name": "China",
    "location_text": null,
    "entity_type": "creator",
    "person_id": null,
    "person_id_note": "Cross-platform identity not resolved for this creator.",
    "other_accounts": [],
    "claimed": false,
    "claimed_note": "Not claimed. This says nothing about the creator — most profiles are simply not claimed yet.",
    "declared_accounts": []
  },
  "first_party": null,
  "reach": {
    "followers": 58813,
    "following": null,
    "posts_total": null,
    "posts_observed": 10,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": false,
    "size_tier": "koc"
  },
  "engagement": {
    "status": "not_collected",
    "engagement_rate": null,
    "engagement_rate_basis": null,
    "posts_in_average": null,
    "avg_views_per_post": null,
    "peak_post_engagement_rate": null,
    "avg_interactions_per_post": null,
    "best_post_interactions": null,
    "measurement_source": null,
    "measurement_formula": null,
    "comparable_pool": null,
    "status_note": "Engagement has not been collected for this creator yet. This is a gap in our collection, NOT a statement that the creator has no engagement. Follower count is known, so it is measurable.",
    "unit_note": "engagement_rate and peak_post_engagement_rate are ratios (0-1); avg_interactions_per_post and best_post_interactions are absolute counts. Read status before reading any number: a null rate has several different causes and status says which one applies here."
  },
  "content": {
    "bio": "原新东方、学而思老师\n和俞老师合过影的优秀教师\n小初教育从业8年，带过1500+名学生\n缓解家长焦虑，有效引导学生自主高效学习\n小初学习资料可以进粉丝群领取",
    "topics": [
      "小学各科期末/单元测试卷推荐",
      "作文素材与好词好句积累",
      "数学易错题与应用题专项训练",
      "化学元素周期表与实验启蒙",
      "幼小衔接与英语音标/自然拼读",
      "学而思、王朝霞等品牌教辅产品"
    ],
    "topics_en": [
      "Primary school subject test paper recommendations",
      "Essay material and good word/sentence collection",
      "Math common errors and word problem training",
      "Periodic table and chemistry experiment basics",
      "Kindergarten to primary transition, English phonics",
      "Educational products from Xueersi, Wang Chaoxia, etc."
    ],
    "topics_zh": [
      "小学各科期末/单元测试卷推荐",
      "作文素材与好词好句积累",
      "数学易错题与应用题专项训练",
      "化学元素周期表与实验启蒙",
      "幼小衔接与英语音标/自然拼读",
      "学而思、王朝霞等品牌教辅产品"
    ],
    "category": "entertainment",
    "category_label": "Entertainment",
    "subcategory": "edu_science",
    "subcategory_label": "Education & science",
    "category_confidence": 0.9,
    "category_source": "derived_from_recent_content"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "mothers of elementary school students (especially grades 3 to 5), primarily purchasing end-of-term review papers, essay writing resources, common mistake exercises, and subject introduction materials for their children",
    "roles": [
      "consumer"
    ],
    "seniority": "consumer",
    "pain_points": [
      "struggling to find targeted, score-boosting practice tests and focused exercises right before final exams",
      "their child’s 300-word essays lack strong vocabulary, phrases, and content积累",
      "repeatedly losing points on math word problems and tricky questions, unsure how to systematically practice",
      "lacking simple, easy-to-understand introductory resources for early chemistry, English, and kindergarten-to-primary school transition"
    ],
    "posts_analysed": 88,
    "confidence": 0.9
  },
  "commercial": {
    "audience_buyer_fit": 0.1,
    "promotion_intent": 0.2,
    "open_to_collaboration": false,
    "contact": null,
    "contact_note": "Koinon does not publish creator contact details."
  },
  "quality": {
    "authenticity_score": 58,
    "authenticity_basis": "platform_default",
    "authenticity_method": "Fixed value 58, pending engagement collection. Not a measurement.",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 54,
    "credibility_note": null,
    "flagged_for_review": false,
    "flag_reasons": [],
    "anomaly_flags": [],
    "koinon_bd_grade": {
      "value": "C",
      "scale": [
        "A",
        "B",
        "C",
        "quarantine",
        null
      ],
      "value_meanings": {
        "A": "Strong fit for Koinon partner outreach.",
        "B": "Moderate fit.",
        "C": "Weak fit, or never scored.",
        "quarantine": "Flagged for manual review. Excluded from Koinon published statistics, but creator search still RETURNS these profiles unless you pass exclude_anomalous:true — check quality.flagged_for_review.",
        "null": "Never scored."
      },
      "measures": "koinon_partner_outreach_fit",
      "basis": "koinon_bd_fit_only",
      "formula": "fit_score >= 0.5 => A; >= 0.35 => B; else C. authenticity is not an input.",
      "comparable_across_platforms": false,
      "interpretation": "NOT a quality score and NOT fit for your campaign — it grades Koinon own partner-outreach interest in gaming, e-commerce and software. A \"C\" usually means \"outside those industries\" or \"not yet scored\".",
      "explained_at": "https://koinonlink.com/for-ai#koinon_bd_grade"
    },
    "interpretation": "Signals for triage, not verdicts. A flag means the profile is worth a manual check."
  },
  "evidence": [
    {
      "evidence_id": "douyin_3175840754970228#d03b8915",
      "type": "creator_content",
      "excerpt": "闭眼入！实验班英语必刷卷6套单元卷，12套专项卷，6套冲刺卷，期末稳稳的！#单元测试卷#实验班期末闯关必刷卷#实验班#试卷#期末测试卷",
      "source_url": "https://www.douyin.com/user/MS4wLjABAAAAUUzDJrGxNI9gd5PUvxaa8R2kiNEdlDoD_cjejYjJ90_vOdFHzhzqp8AyD0py6OV3",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#d62929c7",
      "type": "creator_content",
      "excerpt": "@AI学习神器创作的原声",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#abd2b273",
      "type": "creator_content",
      "excerpt": "期末考试之前，复习刷这套就够了#实验班期末闯关必刷卷#试卷#期末测试卷#小学试卷分享#考试",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#c2c2ba96",
      "type": "creator_content",
      "excerpt": "#五年级 #期末 #考试  马上期末考试了，巩固学习",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#0b35ffc6",
      "type": "creator_content",
      "excerpt": "#化学 #化学实验 #化学元素周期表",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#60a09491",
      "type": "creator_content",
      "excerpt": "#化学 #化学元素 #化学元素周期表",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#dad8e0a3",
      "type": "creator_content",
      "excerpt": "#阅读理解 #小学 #语文 #小学",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_3175840754970228#91421af1",
      "type": "creator_content",
      "excerpt": "小学期末想稳拿高分？《卷霸》这套题刷透就行！#卷霸#期末冲刺卷",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    }
  ],
  "provenance": [
    {
      "field": "audience.description",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 34,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.roles",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 34,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.seniority",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 34,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "commercial.audience_buyer_fit",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer",
      "note": "Relative signal within Koinon indexing, not a market-wide score."
    },
    {
      "field": "commercial.promotion_intent",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer"
    },
    {
      "field": "quality.anomaly_flags",
      "source_type": "heuristic",
      "confidence": 0.5,
      "freshness_days": 40,
      "method": "profile_snapshot_and_engagement_ratio_heuristic",
      "note": "Means \"worth a manual check\", NOT confirmed fraud. Flags can be wrong and are not a verdict about the person."
    },
    {
      "field": "quality.authenticity_score",
      "source_type": "heuristic",
      "confidence": 0.25,
      "freshness_days": 0,
      "method": "Fixed value 58, pending engagement collection. Not a measurement.",
      "note": "The input set differs by platform; do not compare this score across platforms."
    },
    {
      "field": "quality.koinon_bd_grade",
      "source_type": "ai_inferred",
      "confidence": 0.5,
      "freshness_days": 40,
      "method": "llm_partner_fit_classifier + fit_score >= 0.5 => A; >= 0.35 => B; else C. authenticity is not an input.",
      "note": "Koinon partner-outreach fit, not creator quality."
    },
    {
      "field": "reach.followers",
      "source_type": "observed",
      "confidence": 0.95,
      "freshness_days": 40,
      "method": "platform_profile"
    }
  ],
  "method_notes": {
    "llm_persona_from_recent_content": "Computed from posts read live at analysis time; those posts are NOT retained. The excerpts in evidence[] are separately collected profile content and are NOT the inputs to this inference. Do not cite them as its supporting evidence."
  },
  "freshness": {
    "profile_checked_days_ago": 40,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 34,
    "generated_at": "2026-09-03T16:22:50.764Z"
  },
  "retrieval": {
    "indexing_requests": 1,
    "user_triggered_requests": 0,
    "last_user_triggered_day": null,
    "note": "Being indexed in bulk is not the same as being retrieved to answer a question."
  },
  "relationships": {
    "platform_entity": "https://koinonlink.com/creators/douyin",
    "category_entity": "https://koinonlink.com/product-category/entertainment"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=douyin_3175840754970228",
    "removal_url": "https://koinonlink.com/claim?k=douyin_3175840754970228"
  }
}