{
  "schema_version": 1,
  "contract_version": "newruntime-page-readership-v1",
  "type": "page_machine_readership",
  "canonical_path": "/posts/langchain-raises-300m-series-c-at-3b-valuation-e41e99/",
  "canonical_url": "https://newruntime.com/posts/langchain-raises-300m-series-c-at-3b-valuation-e41e99/",
  "generated_at": "2026-11-15T12:30:58.136Z",
  "refresh_hint": "30m",
  "schema_url": "https://newruntime.com/page-readership-schema.json",
  "methodology_url": "https://newruntime.com/machine-consumption/",
  "privacy": {
    "ip_addresses": "not_output",
    "visitor_ids": "not_output",
    "query_strings": "not_output",
    "raw_user_agents": "not_output",
    "raw_log_lines": "not_output",
    "session_identifiers": "not_output",
    "human_identity": "not_collected_for_this_contract"
  },
  "summary": {
    "requests_last_24h": 26,
    "requests_observed": 26,
    "named_automations_observed": 13,
    "verified_automations_observed": 3
  },
  "windows": {
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      "first_seen": "2026-11-14T23:20:22.835Z",
      "last_seen": "2026-11-15T12:30:06.101Z",
      "requests": 26,
      "formats": [
        {
          "format": "html",
          "count": 22
        },
        {
          "format": "json",
          "count": 2
        },
        {
          "format": "markdown",
          "count": 2
        }
      ],
      "agents": [
        {
          "family": "Facebook external hit",
          "count": 4,
          "category": "social_preview",
          "first_seen": "2026-11-15T00:48:05.408Z",
          "last_seen": "2026-11-15T00:53:42.454Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Twitterbot",
          "count": 4,
          "category": "social_preview",
          "first_seen": "2026-11-15T00:50:50.367Z",
          "last_seen": "2026-11-15T01:49:20.096Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "ClaudeBot",
          "count": 3,
          "category": "ai_crawler",
          "first_seen": "2026-11-15T11:16:32.596Z",
          "last_seen": "2026-11-15T12:00:10.837Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mediatoolkitbot (complaints@mediatoolkit.com)",
          "count": 3,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:47:49.085Z",
          "last_seen": "2026-11-15T02:47:52.643Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "PerplexityBot",
          "count": 3,
          "category": "ai_crawler",
          "first_seen": "2026-11-15T01:03:21.922Z",
          "last_seen": "2026-11-15T01:03:29.397Z",
          "identity_status": "verified"
        },
        {
          "family": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chr … (compatible; meta-webindexer/1.1)",
          "count": 2,
          "category": "other_bot",
          "first_seen": "2026-11-15T04:49:52.333Z",
          "last_seen": "2026-11-15T09:40:14.424Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "bitlybot/3.0 (+public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:55:30.426Z",
          "last_seen": "2026-11-15T00:55:30.426Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "ChatGPT-User",
          "count": 1,
          "category": "ai_user_agent",
          "first_seen": "2026-11-15T08:16:53.203Z",
          "last_seen": "2026-11-15T08:16:53.203Z",
          "identity_status": "verified"
        },
        {
          "family": "Googlebot",
          "count": 1,
          "category": "search_crawler",
          "first_seen": "2026-11-15T00:53:50.579Z",
          "last_seen": "2026-11-15T00:53:50.579Z",
          "identity_status": "verified"
        },
        {
          "family": "meta-webindexer/1.1 (+public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T03:40:48.307Z",
          "last_seen": "2026-11-15T03:40:48.307Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (compatible; CrolBot/0.1; +public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T06:37:23.190Z",
          "last_seen": "2026-11-15T06:37:23.190Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like … (compatible; Google-Safety)",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:43:49.683Z",
          "last_seen": "2026-11-15T00:43:49.683Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Geck … (compatible; meta-webindexer/1.1)",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T08:52:09.539Z",
          "last_seen": "2026-11-15T08:52:09.539Z",
          "identity_status": "not_verifiable"
        }
      ]
    },
    "observed": {
      "first_seen": "2026-11-14T23:20:22.835Z",
      "last_seen": "2026-11-15T12:30:06.101Z",
      "requests": 26,
      "formats": [
        {
          "format": "html",
          "count": 22
        },
        {
          "format": "json",
          "count": 2
        },
        {
          "format": "markdown",
          "count": 2
        }
      ],
      "agents": [
        {
          "family": "Facebook external hit",
          "count": 4,
          "category": "social_preview",
          "first_seen": "2026-11-15T00:48:05.408Z",
          "last_seen": "2026-11-15T00:53:42.454Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Twitterbot",
          "count": 4,
          "category": "social_preview",
          "first_seen": "2026-11-15T00:50:50.367Z",
          "last_seen": "2026-11-15T01:49:20.096Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "ClaudeBot",
          "count": 3,
          "category": "ai_crawler",
          "first_seen": "2026-11-15T11:16:32.596Z",
          "last_seen": "2026-11-15T12:00:10.837Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mediatoolkitbot (complaints@mediatoolkit.com)",
          "count": 3,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:47:49.085Z",
          "last_seen": "2026-11-15T02:47:52.643Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "PerplexityBot",
          "count": 3,
          "category": "ai_crawler",
          "first_seen": "2026-11-15T01:03:21.922Z",
          "last_seen": "2026-11-15T01:03:29.397Z",
          "identity_status": "verified"
        },
        {
          "family": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chr … (compatible; meta-webindexer/1.1)",
          "count": 2,
          "category": "other_bot",
          "first_seen": "2026-11-15T04:49:52.333Z",
          "last_seen": "2026-11-15T09:40:14.424Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "bitlybot/3.0 (+public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:55:30.426Z",
          "last_seen": "2026-11-15T00:55:30.426Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "ChatGPT-User",
          "count": 1,
          "category": "ai_user_agent",
          "first_seen": "2026-11-15T08:16:53.203Z",
          "last_seen": "2026-11-15T08:16:53.203Z",
          "identity_status": "verified"
        },
        {
          "family": "Googlebot",
          "count": 1,
          "category": "search_crawler",
          "first_seen": "2026-11-15T00:53:50.579Z",
          "last_seen": "2026-11-15T00:53:50.579Z",
          "identity_status": "verified"
        },
        {
          "family": "meta-webindexer/1.1 (+public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T03:40:48.307Z",
          "last_seen": "2026-11-15T03:40:48.307Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (compatible; CrolBot/0.1; +public-url-redacted",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T06:37:23.190Z",
          "last_seen": "2026-11-15T06:37:23.190Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like … (compatible; Google-Safety)",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T00:43:49.683Z",
          "last_seen": "2026-11-15T00:43:49.683Z",
          "identity_status": "not_verifiable"
        },
        {
          "family": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Geck … (compatible; meta-webindexer/1.1)",
          "count": 1,
          "category": "other_bot",
          "first_seen": "2026-11-15T08:52:09.539Z",
          "last_seen": "2026-11-15T08:52:09.539Z",
          "identity_status": "not_verifiable"
        }
      ]
    }
  },
  "interpretation": {
    "unit": "Successful requests from named automation, not unique people.",
    "identity": "Identity status is the strongest observed family-level evidence in the identity aggregate, not verification of every page request.",
    "causality": "A request does not prove indexing, citation, model training, understanding, or referral.",
    "representations": "HTML, JSON, and Markdown twins are grouped under the canonical page."
  }
}