{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:youtube_sarahlevinger",
  "url": "https://koinonlink.com/kol/youtube/SarahLevinger",
  "alternate": {
    "html": "https://koinonlink.com/kol/youtube/SarahLevinger",
    "json": "https://koinonlink.com/kol/youtube/SarahLevinger.json",
    "markdown": "https://koinonlink.com/kol/youtube/SarahLevinger.md"
  },
  "identity": {
    "display_name": "Sarah Levinger",
    "handle": "SarahLevinger",
    "platform": "youtube",
    "platform_url": "https://www.youtube.com/@SarahLevinger",
    "website": null,
    "country": "US",
    "country_name": "United States",
    "location_text": null,
    "entity_type": "creator",
    "person_id": "koinon:person:youtube_sarahlevinger",
    "person_id_note": null,
    "other_accounts": [
      {
        "platform": "x",
        "handle": "SarahLevinger",
        "url": "https://koinonlink.com/kol/x/SarahLevinger"
      }
    ],
    "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": 4850,
    "following": null,
    "posts_total": null,
    "posts_observed": 44,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": false,
    "size_tier": "nano"
  },
  "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": "I help DTC brands generate better ROI with psychology-based creative. Talks about: consumer psychology, behavior science, ...",
    "topics": [
      "Meta Ads创意策略与2026趋势",
      "消费者心理学与行为科学在广告中的应用",
      "广告测试、scaling与账户优化",
      "品牌留存、复购与非促销策略",
      "广告注意力与情感钩子设计"
    ],
    "topics_en": [
      "Meta Ads creative strategy and 2026 trends",
      "Consumer psychology and behavioral science in advertising",
      "Ad testing, scaling, and account optimization",
      "Brand retention, repeat purchases, and non-promotional strategies",
      "Ad attention and emotional hook design"
    ],
    "topics_zh": [
      "Meta Ads创意策略与2026趋势",
      "消费者心理学与行为科学在广告中的应用",
      "广告测试、scaling与账户优化",
      "品牌留存、复购与非促销策略",
      "广告注意力与情感钩子设计"
    ],
    "category": "ecommerce",
    "category_label": "E-commerce / DTC",
    "subcategory": "dtc_brand",
    "subcategory_label": "DTC / own-store brands",
    "category_confidence": 0.9,
    "category_source": "derived_from_discovery_path"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "DTC brand ad buyers and creative strategy executors, primarily responsible for psych-driven creative testing and ROI optimization on Meta ads",
    "roles": [
      "ads"
    ],
    "seniority": "practitioner",
    "pain_points": [
      "High volume of creative testing with inconsistent conversion and unstable ROI, making it hard to identify truly scalable assets",
      "Meta ad accounts easily overspend due to unchecked volume chasing, lacking effective cost-control strategies",
      "Difficult to drive brand retention and repeat purchases as standard promotions and CTAs lose effectiveness",
      "Severe ad homogenization leads to consumer fatigue and resistance toward conventional ads"
    ],
    "posts_analysed": 47,
    "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": 40,
    "authenticity_basis": "profile_shape_only",
    "authenticity_method": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 40,
    "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_and_engagement",
      "formula": "fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => 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": "youtube_sarahlevinger#8e5731ad",
      "type": "creator_content",
      "excerpt": "Saying “make an ad for a cold audience” is kind of like telling someone “make something good” and ho / Here's the thing about a \"teach first, sell later\" carousel: it filters itself. If you're still scro / Trust is the new currency for 2026. If your customer doesn't trust you, no",
      "source_url": "https://www.youtube.com/@SarahLevinger",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_sarahlevinger#ff49b0ce",
      "type": "creator_content",
      "excerpt": "Check this one out! / Your funnel tells you where someone is in your pipeline, but do you actually know what’s going on in / Our brains are already wired this way, which is why it works so well. / Most ads are great at tell",
      "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": 30,
      "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": 30,
      "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": 30,
      "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": 5,
      "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": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
      "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": 5,
      "method": "llm_partner_fit_classifier + fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => 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": 5,
      "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": 5,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 30,
    "generated_at": "2026-09-03T18:22:51.158Z"
  },
  "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/youtube",
    "category_entity": "https://koinonlink.com/product-category/ecommerce"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=youtube_sarahlevinger",
    "removal_url": "https://koinonlink.com/claim?k=youtube_sarahlevinger"
  }
}