{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:xiaohongshu_49313472911",
  "url": "https://koinonlink.com/kol/xiaohongshu/49313472911",
  "alternate": {
    "html": "https://koinonlink.com/kol/xiaohongshu/49313472911",
    "json": "https://koinonlink.com/kol/xiaohongshu/49313472911.json",
    "markdown": "https://koinonlink.com/kol/xiaohongshu/49313472911.md"
  },
  "identity": {
    "display_name": "屯大程序员八阿哥",
    "handle": "49313472911",
    "platform": "xiaohongshu",
    "platform_url": "https://www.xiaohongshu.com/user/profile/64a2c4bb000000002b0081d3",
    "website": null,
    "country": "CN",
    "country_name": "China",
    "location_text": null,
    "entity_type": "creator",
    "person_id": "koinon:person:xiaohongshu_49313472911",
    "person_id_note": null,
    "other_accounts": [
      {
        "platform": "xiaohongshu",
        "handle": "94167193822",
        "url": "https://koinonlink.com/kol/xiaohongshu/94167193822"
      }
    ],
    "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": 19100,
    "following": null,
    "posts_total": 22,
    "posts_observed": 1,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": true,
    "size_tier": "koc"
  },
  "engagement": {
    "status": "peak_post_only",
    "engagement_rate": null,
    "engagement_rate_basis": null,
    "posts_in_average": null,
    "avg_views_per_post": null,
    "peak_post_engagement_rate": 0.01775,
    "avg_interactions_per_post": null,
    "best_post_interactions": 339,
    "measurement_source": "cn_posts_max",
    "measurement_formula": "likes + comments + shares (douyin) or likes + comments + collects (xiaohongshu), max over observed posts",
    "comparable_pool": "peak_interactions",
    "status_note": "We have only the single best observed post, so no mean exists. peak_post_engagement_rate is an UPPER BOUND, systematically higher than an average — never compare it against an average rate.",
    "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": "软件技术专家，企业家，粉丝的专属CTO\n分享软件开发的技术，技能和案例\n总部在广州，荷兰，环游全球的同时也希望把中国的软件技术带到全球24个时区\n📭[contact removed]",
    "topics": [
      "软件开发与技术选型（Flutter等）",
      "AI Agent开发实践与避坑",
      "创业与国际化扩张",
      "跨境电商系统搭建",
      "程序员职业成长故事"
    ],
    "topics_en": [
      "Software development and tech stack selection (Flutter, etc.)",
      "AI Agent development practices and pitfalls",
      "Entrepreneurship and international expansion",
      "Cross-border e-commerce system building",
      "Programmer career growth stories"
    ],
    "topics_zh": [
      "软件开发与技术选型（Flutter等）",
      "AI Agent开发实践与避坑",
      "创业与国际化扩张",
      "跨境电商系统搭建",
      "程序员职业成长故事"
    ],
    "category": "software",
    "category_label": "Software",
    "subcategory": "ai_tools",
    "subcategory_label": "AI tools / agents",
    "category_confidence": 0.9,
    "category_source": "derived_from_recent_content"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "programmers and software developers, primarily those aiming to launch startups, build AI Agents, or execute cross-border e-commerce systems, as well as small and mid-sized entrepreneurs",
    "roles": [
      "dev"
    ],
    "seniority": "practitioner",
    "pain_points": [
      "uncertainty in career planning, especially when transitioning from domestic to international markets",
      "difficulty in successfully launching AI Agent projects from 0 to 1 due to misaligned direction, poor design, or weak user experience",
      "frequent pitfalls when building cross-border e-commerce or high-concurrency systems, lacking proven technical selection experience",
      "high cost and complexity in choosing tech stacks and making system architecture decisions during early-stage entrepreneurship"
    ],
    "posts_analysed": 36,
    "confidence": 0.75
  },
  "commercial": {
    "audience_buyer_fit": 0.9,
    "promotion_intent": 0.8,
    "open_to_collaboration": false,
    "contact": null,
    "contact_note": "Koinon does not publish creator contact details."
  },
  "quality": {
    "authenticity_score": 64,
    "authenticity_basis": "engagement_observed",
    "authenticity_method": "Starts at 60; interactions-per-follower on collected posts then adds or subtracts (large following with near-zero engagement is penalised heavily).",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 58,
    "credibility_note": null,
    "flagged_for_review": false,
    "flag_reasons": [],
    "anomaly_flags": [],
    "koinon_bd_grade": {
      "value": "A",
      "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_and_engagement",
      "formula": "authenticity >= 55 AND fit_score >= 0.45 => A; authenticity >= 40 AND fit_score >= 0.3 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "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": "xiaohongshu_49313472911#59aada88",
      "type": "creator_content",
      "excerpt": "历经14年的积累，在荷兰有了办公室了",
      "source_url": "https://www.xiaohongshu.com/user/profile/64a2c4bb000000002b0081d3",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#efb1a735",
      "type": "creator_content",
      "excerpt": "从11年毕业，到2015年开始创业，2020年开始对接荷兰，英国的软件开发业务，今天开始在荷兰阿姆斯特丹有了屯大软件的海外办公室，回忆这一路走来，有太多的不容易，每一步都是如履薄冰，战战兢兢，经过这几",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#542f996a",
      "type": "creator_content",
      "excerpt": "一个普通程序员的10年",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#9c7e45ce",
      "type": "creator_content",
      "excerpt": "从陆丰到阿姆斯特丹的一路艰辛，希望可以同是程序员的你，一些职业规划的参考～～",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#f723a168",
      "type": "creator_content",
      "excerpt": "法律AI Agent怎么开发，真正难的不是接个大",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#2a83ebde",
      "type": "creator_content",
      "excerpt": "谁懂啊！程序员在咖啡店写代码的快乐☕",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#09d02b77",
      "type": "creator_content",
      "excerpt": "#软件设计与开发[话题]# #程序员[话题]#",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "xiaohongshu_49313472911#0364f6f0",
      "type": "creator_content",
      "excerpt": "斯坦福写代码，安静，惬意",
      "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": 0.75,
      "freshness_days": 35,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.roles",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 35,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.seniority",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 35,
      "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": 51,
      "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": 0.5,
      "freshness_days": 0,
      "method": "Starts at 60; interactions-per-follower on collected posts then adds or subtracts (large following with near-zero engagement is penalised heavily).",
      "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": 51,
      "method": "llm_partner_fit_classifier + authenticity >= 55 AND fit_score >= 0.45 => A; authenticity >= 40 AND fit_score >= 0.3 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "note": "Koinon partner-outreach fit, not creator quality."
    },
    {
      "field": "reach.followers",
      "source_type": "observed",
      "confidence": 0.95,
      "freshness_days": 51,
      "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": 51,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 35,
    "generated_at": "2026-09-03T18:23:39.533Z"
  },
  "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/xiaohongshu",
    "category_entity": "https://koinonlink.com/product-category/software"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=xiaohongshu_49313472911",
    "removal_url": "https://koinonlink.com/claim?k=xiaohongshu_49313472911"
  }
}