Evidence row 310115

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "GrantIQ complete_profile: fills in the user's matching profile field-by-field via chat. Partial-update semantics — null/missing fields leave existing values untouched. Server filters beneficiary/mission tags to canonical taxonomies. After this returns saved=true, call find_opportunities to see matches.",
      "inputSchema": {
        "properties": {
          "input": {
            "properties": {
              "beneficiary_populations": {
                "items": {
                  "type": "string"
                },
                "type": [
                  "array",
                  "null"
                ]
              },
              "business_description": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "career_stage": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "country": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "funding_purpose": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "matching_keywords": {
                "items": {
                  "type": "string"
                },
                "type": [
                  "array",
                  "null"
                ]
              },
              "max_funding_amount": {
                "type": [
                  "number",
                  "null"
                ]
              },
              "min_funding_amount": {
                "type": [
                  "number",
                  "null"
                ]
              },
              "mission_domains": {
                "items": {
                  "type": "string"
                },
                "type": [
                  "array",
                  "null"
                ]
              },
              "organization_name": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "organization_type": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "research_interests": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "sectors": {
                "items": {
                  "type": "string"
                },
                "type": [
                  "array",
                  "null"
                ]
              },
              "topics": {
                "items": {
                  "type": "string"
                },
                "type": [
                  "array",
                  "null"
                ]
              },
              "website_url": {
                "type": [
                  "string",
                  "null"
                ]
              }
            },
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "name": "complete_profile"
    },
    {
      "description": "GrantIQ explain_opportunity: plain-English unpack of a single grant. Returns a summary, what the grant funds, target applicant profile, hidden constraints (e.g. state aid, consortium requirements), application mechanics (stages, duration, key dates), structured eligibility essentials, and provenance citations. Cached after first call per grant; sub-50ms thereafter.",
      "inputSchema": {
        "properties": {
          "grant_id": {
            "description": "The grant id (UUID) to explain. Typically returned in a prior search or find_opportunities call.",
            "type": "string"
          }
        },
        "required": [
          "grant_id"
        ],
        "type": "object"
      },
      "name": "explain_opportunity"
    },
    {
      "description": "GrantIQ fetch: return the full record for a single grant by id. The id must come from a prior `search` call. Returns 'not found' when the grant is unknown OR not currently open/visible — there is no leak between those cases.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "The grant id (UUID) returned in a prior `search` result.",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "GrantIQ find_opportunities: runs the user's profile through the AI matching engine to find the top grants. Uses the canonical StagedMatchingService. Requires a complete profile (Location, OrgType, etc.).",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 5,
            "description": "Maximum number of results to return (1-10, default 5).",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "find_opportunities"
    },
    {
      "description": "GrantIQ search: find UK & EU grants matching a free-text query. Returns a ranked list of grant references (id, title, funder, deadline, amounts) the caller can pass to the `fetch` tool for full detail. Results are limited to currently-open, AI-enriched grants — closed, suspended and unpublishable rows are never returned.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "description": "Maximum number of results to return (1-50, default 10).",
            "type": "integer"
          },
          "query": {
            "description": "Free-text search query. Matches grant title, summary, and description.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "GrantIQ should_apply: opinionated apply / don't-apply decision for a specific grant. Returns a verdict (yes / borderline / no), confidence (0-1), specific blockers, an effort estimate with confidence band, competition-risk label (or 'unknown' when funder data is absent), and the structured evidence behind it. Requires the caller's profile to be set via a prior find_opportunities call or web sign-up.",
      "inputSchema": {
        "properties": {
          "grant_id": {
            "description": "The grant id (UUID) to evaluate. Typically returned in a prior search or find_opportunities call.",
            "type": "string"
          }
        },
        "required": [
          "grant_id"
        ],
        "type": "object"
      },
      "name": "should_apply"
    }
  ]
}

What the leaf hashes

{"body":"ebc2822d5870e9fc646533c4d21a410da59c29be0e9ecacb1c5e916392a67ca7","id":310115,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793059283462851,"prev":null,"subject":"ad2f6c23-2a98-4c9b-b95f-273c98c5d697","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4fb443a3cd7be7d396fb78b9d46a3ccf02b8a18f3bba1d219078f346120685c4
2. 0x2ec9dd0867a131c0473906a22cd5851255da634f078b7f29edd33e94f2cda45f
3. 0x9a632dce8723cb429a8bd54367fc28e406163067f23cd304d28e74837c670805
4. 0xc9c0340342916044a46bc517ae1019f7bfd874ae7525a2cf7d85958d06313a2f
5. 0xde4bdae513a0bd57204b93d6b94fdfb8dd6188d4c83d008046d18b8c6dcc1da1
6. 0xc07cb9cc323a601613e4981421f8c1398b22e511fdb29d594a0bc4f41a799e13
7. 0xd2238d35ca0ac8e89b1e2421711afa1c0b8dc47f0216103135babb7c5d6c0b86
8. 0xf9497d38cbfc4158e42aaf315bc1ebc5defb1db40573ca7980815a2a02c26ff2
9. 0xb0906ce038d30ccc69a1f49538be8c971e660bf2e415ed9a404207cca31ebdae
10. 0xf833df792e157e86b1fec470b40449423d669f06490afc7e934a9ce7929db11f
11. 0x7b0f54aa0116cedb8afb80e7150869a7cf2b70adc313e0079a760b5d19d2efbc
12. 0x8762ddf9a7f6b156629a8a66fe575b878ee44cd59a7f0a583ec6db0a152d703b
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4