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Evidence row 76444

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/preflight
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
892b3471438dd1c92181967a48c0f293ed729c6426511cb2a2f31bcd2d593149
Leaf
0x6d7fda79b9dbe0e883fcea4cd5500a687c595842b8c46b09b3226665b8221f0b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/preflight"
    ]
  ],
  "name": "Forest Agent Tools",
  "owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
        "scheme": "exact"
      }
    ],
    "description": "Read-only MCP handshake/tools-list preflight; no destructive tool calls. Base mainnet USDC",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/fixtures/mcp"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "capability": "mcp.preflight",
              "data": {
                "auth_required": false,
                "latency_ms": 1,
                "negotiated_protocol_version": "2025-03-26",
                "protocol_version": "2025-03-26",
                "reachable": true,
                "tool_count": 0,
                "tools": [],
                "url": "https://mcp.example.com/mcp"
              },
              "meta": {
                "cache": "miss",
                "checked_at": "2026-01-01T00:00:00.000Z",
                "duration_ms": 1,
                "provider": "mcp-client"
              },
              "ok": true,
              "version": "1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "protocol_version": {
                      "description": "Public protocol version value used to scope this lookup.",
                      "maxLength": 32,
                      "type": "string"
                    },
                    "url": {
                      "description": "Public HTTP(S) URL to inspect, resolve, or compare.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "capability": {
                      "const": "mcp.preflight",
                      "description": "Public capability value used to scope this lookup."
                    },
                    "data": {
                      "additionalProperties": false,
                      "description": "Public data value used to scope this lookup.",
                      "properties": {
                        "auth_required": {
                          "description": "Public auth required value used to scope this lookup.",
                          "type": "boolean"
                        },
                        "latency_ms": {
                          "description": "Public latency ms value used to scope this lookup.",
                          "type": "integer"
                        },
                        "negotiated_protocol_version": {
                          "description": "Public negotiated protocol version value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "protocol_version": {
                          "description": "Public protocol version value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "reachable": {
                          "description": "Public reachable value used to scope this lookup.",
                          "type": "boolean"
                        },
                        "tool_count": {
                          "description": "Public tool count value used to scope this lookup.",
                          "type": "integer"
                        },
                        "tools": {
                          "description": "Public tools value used to scope this lookup.",
                          "type": "array"
                        },
                        "url": {
                          "description": "Public HTTP(S) URL to inspect, resolve, or compare.",
                          "type": "string"
                        }
                      },
                      "required": [
                        "url",
                        "reachable",
                        "protocol_version",
                        "negotiated_protocol_version",
                        "tool_count",
                        "tools",
                        "auth_required",
                        "latency_ms"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "additionalProperties": false,
                      "description": "Public meta value used to scope this lookup.",
                      "properties": {
                        "cache": {
                          "description": "Public cache value used to scope this lookup.",
                          "enum": [
                            "hit",
                            "miss",
                            "bypass"
                          ]
                        },
                        "checked_at": {
                          "description": "Public checked at value used to scope this lookup.",
                          "type": "string"
                        },
                        "duration_ms": {
                          "description": "Public duration ms value used to scope this lookup.",
                          "minimum": 0,
                          "type": "integer"
                        },
                        "provider": {
                          "description": "Public provider value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "provider",
                        "checked_at",
                        "cache",
                        "duration_ms"
                      ],
                      "type": "object"
                    },
                    "ok": {
                      "const": true,
                      "description": "Public ok value used to scope this lookup."
                    },
                    "version": {
                      "const": "1",
                      "description": "Package version whose public metadata should be checked."
                    }
                  },
                  "required": [
                    "ok",
                    "capability",
                    "version",
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:17:59.149Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:17:58.761Z"
    },
    "resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/preflight",
    "serviceName": "Forest Agent Tools",
    "tags": [
      "mcp",
      "agent"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read-only MCP handshake/tools-list preflight; no destructive tool calls. Base mainnet USDC"
}

What the leaf hashes

{"body":"892b3471438dd1c92181967a48c0f293ed729c6426511cb2a2f31bcd2d593149","id":76444,"kind":"listing","method":"baseline/1","observed_us":1793025492278404,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/preflight","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x6d7fd8125beb7f8ca6f372f7d7d290cc090527c0f2a5f98534fbb45de530a475
  2. 0xa185f855bba32c61cb826416fcf843476ec360d07664373db2564ca68111db44
  3. 0xba95ccad0f9b4d7ccae451546bb94307534ed9b8a973d94a3061e9ddc8eb1cf2
  4. 0x82788a96e7e193d8d3217d17a072e7aaa17f30835d0b2c84fd9c8a3adc1a47ba
  5. 0xb1dea938aeb1a03bf3cb3974dfdef686f7e49953dc3a1f2d67bd1669c5dd9b97
  6. 0xca37e3e5958ddd887f3ea36cabb96b3f0e7dea7f01a47c6d0e4f72903e20f3c5
  7. 0x7167f508c4d8c7dd6bb9277ab9a58228b066e90f31f319cccc4c6e30f70c3972
  8. 0x4873a57a6faa91626104adfce665f79879f8eea2f59fcc39e77d709d4da1bdd1
  9. 0x187cd02fc25d83259144a0d1b67cedaf83d9da8a9bc14e7630ca58c5be1f6be9
  10. 0xd436881f2f0c7eba4a0a8b847ff798d53394f793d9cffd7bdf04f6a3d5c2f8be
  11. 0x82b0a13483194285c0c386d5ad47eb953493b28955a9a8e58da3a2e6e220ed30
  12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
  13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON