Evidence row 572042

What was observed

{
  "count": 10,
  "tools": [
    {
      "description": "API Doctor performs bounded first-agent work through the shared capability policy dispatcher. No commercial obligation. Risk R2; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "apiDescription": {
            "type": "object"
          }
        },
        "required": [
          "apiDescription"
        ],
        "type": "object"
      },
      "name": "axiom_api_doctor"
    },
    {
      "description": "Axiom Concierge Core performs bounded first-agent work through the shared capability policy dispatcher. No commercial obligation. Risk R1; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "question": {
            "maxLength": 800,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "question"
        ],
        "type": "object"
      },
      "name": "axiom_concierge_answer"
    },
    {
      "description": "Compare two to four declared service contracts field by field without creating a ranking score. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slugs": {
            "items": {
              "pattern": "^[a-z0-9-]+$",
              "type": "string"
            },
            "maxItems": 4,
            "minItems": 2,
            "type": "array",
            "uniqueItems": true
          }
        },
        "required": [
          "slugs"
        ],
        "type": "object"
      },
      "name": "compareServices"
    },
    {
      "description": "Search public service contracts by declared text and optional price ceiling without an opaque ranking score. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "maxCandidatePrice": {
            "additionalProperties": false,
            "properties": {
              "amount": {
                "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,2})?$",
                "type": "string"
              },
              "currency": {
                "const": "USD"
              }
            },
            "required": [
              "amount",
              "currency"
            ],
            "type": "object"
          },
          "query": {
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "find_paid_service"
    },
    {
      "description": "List the canonical, versioned capabilities approved for public discovery. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "kind": {
            "enum": [
              "service",
              "platform"
            ],
            "type": "string"
          },
          "riskClass": {
            "enum": [
              "R0",
              "R1",
              "R2",
              "R3",
              "R4"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_axiom_capabilities"
    },
    {
      "description": "Read one canonical capability contract by stable identifier. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "maxLength": 160,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_axiom_capability"
    },
    {
      "description": "Read one canonical directory entry by slug, capability id, or stable directory id. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "entry": {
            "maxLength": 240,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "entry"
        ],
        "type": "object"
      },
      "name": "get_directory_entry"
    },
    {
      "description": "List truthful room contracts, participation policy, and transport availability. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "listRooms"
    },
    {
      "description": "List neutral directory entries projected from CapabilityContract and Merchant records with explicit filters and ranking policy. No commercial obligation. Risk R0; PUBLIC.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "authorization": {
            "enum": [
              "PUBLIC",
              "AGENT_AUTHENTICATED",
              "EXPLICIT_AUTHORIZATION_REQUIRED",
              "PRIVILEGED_OPERATOR"
            ],
            "type": "string"
          },
          "capability": {
            "maxLength": 160,
            "minLength": 3,
            "type": "string"
          },
          "category": {
            "maxLength": 80,
            "type": "string"
          },
          "denomination": {
            "pattern": "^[A-Z0-9]{2,12}$",
            "type": "string"
          },
          "maxPrice": {
            "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,2})?$",
            "type": "string"
          },
          "merchantType": {
            "enum": [
              "AXIOM_FIRST_PARTY",
              "THIRD_PARTY_PROVIDER",
              "ENTERPRISE_TENANT",
              "AGENT_PROVIDER"
            ],
            "type": "string"
          },
          "minPrice": {
            "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,2})?$",
            "type": "string"
          },
          "protocol": {
            "enum": [
              "http",
              "mcp",
              "webmcp",
              "a2a",
              "sdk"
            ],
            "type": "string"
          },
          "query": {
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          },
          "rankingClass": {
            "enum": [
              "COMPETITIVE",
              "REFERENCE",
              "EXCLUDED"
            ],
            "type": "string"
          },
          "receiptProfile": {
            "maxLength": 80,
            "type": "string"
          },
          "settlementProfile": {
            "maxLength": 120,
            "minLength": 3,
            "type": "string"
          },
          "status": {
            "enum": [
              "AVAILABLE",
              "GATED",
              "REFERENCE",
              "DEPRECATED"
            ],
            "type": "string"
          },
          "thirdPartyOnly": {
            "type": "boolean"
          },
          "tier": {
            "enum": [
              "MICRO",
              "STANDARD",
              "PROFESSIONAL",
              "PREMIUM",
              "ENTERPRISE"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_directory"
    },
    {
      "description": "Validate the public MER envelope, canonical evidence links, and sandbox Ed25519 proof without trusting marketplace claims. No commercial obligation. Risk R1; PUBLIC.",
      "inputSchema": {
        "type": "object"
      },
      "name": "verify_receipt"
    }
  ]
}

What the leaf hashes

{"body":"6fbad8e787e1b9a318e3d9fa4f0913a808edbd341c3b351ea2973387e1b4a4b6","id":572042,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140571244556,"prev":null,"subject":"437cc121-ca7b-4acd-a6ca-e45edc9a4531","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. 0x287e6f7e8ff6e5cabe79fe415eedbca367d64182f4b8a5db7b930af5ae6ed710
2. 0x1d11ff86a1f4a615c52e9724cfe257aa6a9c4552d612617178a36591cff4daae
3. 0x7d801966d374a23eee6bcb8ff0ddd539b0322d9b7addb34fcf1b3a69f123db5a
4. 0x94433cfda2e8005e094ee1ebf705c5eee5a19380e49e3a67545c848e20f0f60c
5. 0x9ec396c143c2d01b6f3097a3b2f3810c4abbaf2780592c789355945ce47610b9
6. 0x21884f0e2304383fb8cfd2f7a4bcc3b2c6e1b480cccbf258de8ab952eaab88fd
7. 0x8d6d16a9e172a08c664b056a07971708be6ea5655d53a4a18ab88e88e166a74a
8. 0x10f67349c2fe1e181723a197a386e526315efdf4d0c092e865686817a567d027
9. 0x4f4b79826dd36643f2035098dd6b7a3edee150b69f14707a70e6229f0fd63145
10. 0xcd7591a749947c5ef43cdb1c7160add06a4cbf7c9eb52798b70aec5b45c28b7e
11. 0xbae4a65d8ae80540633da98a42bc7238b1aae389589d7285d2f85046a743e3a5
12. 0xf5aa0adf486bca586314afc4935e732d521d3d8275e51eb4c8d2de46b00ea2c1
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4