Evidence row 1725068

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Return a Wayback Machine timeline for a URL: total snapshots, first/last archived dates, and a bounded list of snapshot records with direct archive links.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "description": "Max snapshots to return (default 50).",
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
          },
          "url": {
            "description": "The URL to look up in the Wayback Machine.",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "check_page_history"
    },
    {
      "description": "Fetch a page and extract contact emails (including de-obfuscated and mailto links) and social media handles (Twitter/X, LinkedIn, Facebook, Instagram, GitHub, YouTube).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "The page URL to extract contact info from.",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "extract_contact_info"
    },
    {
      "description": "Approximate the pages linking to a competitor using free web-search signals (domain mentions and brand mentions). De-duplicates by host and excludes the competitor's own domain. Not a complete backlink index — a free, directional starting point for prospecting.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "competitorUrl": {
            "description": "Competitor's URL or domain (e.g. https://competitor.com or competitor.com).",
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "description": "Max sources (default 20).",
            "maximum": 40,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "competitorUrl"
        ],
        "type": "object"
      },
      "name": "find_competitor_link_sources"
    },
    {
      "description": "Find linked and unlinked mentions of a brand across the web via web search results. When a domain is supplied, classifies each mention as linked (on the brand domain) or unlinked (a third-party page — a potential backlink opportunity).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "brand": {
            "description": "Brand or product name to search mentions for.",
            "minLength": 1,
            "type": "string"
          },
          "domain": {
            "description": "The brand's own domain (e.g. acme.com) — used to classify linked vs unlinked.",
            "type": "string"
          },
          "limit": {
            "description": "Max results (default 20).",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "brand"
        ],
        "type": "object"
      },
      "name": "find_mentions"
    },
    {
      "description": "Find guest-post, resource-page, and roundup link-building prospects for a topic by running classic outreach footprints through web search and merging the results by host.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limitPerAngle": {
            "description": "Max results per outreach angle (default 8).",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "topic": {
            "description": "Niche or topic to find link-building prospects for.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      },
      "name": "find_prospects"
    },
    {
      "description": "Draft a short, personalized cold outreach email from a contact + context object using your own LLM key (BYOK). Returns a subject line and body. The API key is request-scoped and is never persisted or logged.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "apiKey": {
            "description": "BYOK API key — request-scoped, never persisted or logged.",
            "minLength": 1,
            "type": "string"
          },
          "contact": {
            "additionalProperties": false,
            "description": "The recipient. All fields optional; more detail yields better personalization.",
            "properties": {
              "email": {
                "type": "string"
              },
              "name": {
                "type": "string"
              },
              "role": {
                "type": "string"
              },
              "site": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "context": {
            "additionalProperties": false,
            "description": "The outreach angle and sender context.",
            "properties": {
              "fromBrand": {
                "description": "Your brand or site doing the outreach.",
                "minLength": 1,
                "type": "string"
              },
              "fromName": {
                "description": "Your name, for the sign-off.",
                "type": "string"
              },
              "notes": {
                "description": "Personalization notes to weave in.",
                "type": "string"
              },
              "reason": {
                "description": "Why you are reaching out (broken link, resource page fit, guest post, etc.).",
                "minLength": 1,
                "type": "string"
              },
              "targetUrl": {
                "description": "The page you want linked or featured.",
                "type": "string"
              },
              "tone": {
                "description": "Desired tone (default: concise, friendly, professional).",
                "type": "string"
              }
            },
            "required": [
              "fromBrand",
              "reason"
            ],
            "type": "object"
          },
          "maxTokens": {
            "maximum": 4096,
            "minimum": 1,
            "type": "integer"
          },
          "model": {
            "description": "Model id (e.g. claude-sonnet-4-20250514).",
            "minLength": 1,
            "type": "string"
          },
          "provider": {
            "description": "LLM provider for @advance-labs/llm.",
            "enum": [
              "anthropic",
              "openai",
              "groq",
              "perplexity",
              "gateway"
            ],
            "type": "string"
          },
          "temperature": {
            "maximum": 2,
            "minimum": 0,
            "type": "number"
          }
        },
        "required": [
          "contact",
          "context",
          "provider",
          "model",
          "apiKey"
        ],
        "type": "object"
      },
      "name": "generate_outreach_email"
    },
    {
      "description": "Fetch a page and confirm whether it contains a link to the target domain, reporting anchor text and rel attributes (nofollow/sponsored/ugc) and whether the link is dofollow.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "targetDomain": {
            "description": "The domain the link should point to (e.g. yoursite.com).",
            "minLength": 1,
            "type": "string"
          },
          "url": {
            "description": "The page URL to inspect.",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url",
          "targetDomain"
        ],
        "type": "object"
      },
      "name": "verify_page_links"
    }
  ]
}

What the leaf hashes

{"body":"1e81ef15e5d0e628d7e6742822c7bb699a7950e4058e70cc2a95c78799ea57b7","id":1725068,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793494598683637,"prev":null,"subject":"eaeac334-4bc1-481c-a974-baace09fe952","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x5726cf61bbb1dbd329d381f7b27a6bd3c42d03de9d78df561afc3dc35ce93360
2. 0xad3c53e4ea0895cf2052f19a20963033591c75eadde2a10d1835637ad31babd1
3. 0x5584df839be54c9c25c2e81a5c6d883c86b47396eb405587e8729f4f470f5570
4. 0xb387377a83165324b33d6d57a5788025eeff7e7cb2b4d81aecedd117a14947b9
5. 0xb3366dc37d9569242c35bc2fbcba3602e026d731148efee7d1895e552aefdc70
6. 0xbb62c3ff981639a4d319d414c9a7226bd60d71a901fecd6df580eb567e30e18d
7. 0x9b44dcf3d439c7a61e545e11ada4242ad442988e254e53a1b8f01858692d0eb1
8. 0x7dd4c1883a4caa051b8626a2c35ba40845d63a17cd673225e5d45df38d5d5be7
9. 0x4ba9bbba006f71086d5209c811e29caa800a347dbbdb316ad572f480c661d96c
10. 0x2fb2afbdc0a658512aec2aa637f5a5cf03fce7a24b150b91cb98619e7c87bd3d
11. 0xbd61b224059184447bdd190af8968b36032eda8a68bb6541a95065cedff414d4
12. 0xde1fd31d10ba36dac3c345ea907bd1d4fd47e4fc9fb148e86bb9173da80d02bd
13. 0x25c3242ac264be301989809e7441ef0e86b1880cd2901fd07b765f01885b4af0
14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90