Evidence row 64809

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.ai-open-models.com/v1/exa/answer"
    ]
  ],
  "name": "Web Answer",
  "owner_address": "0xdcdf184a64f6489ec5304750a0af157440115cae",
  "raw": {
    "accepts": [
      {
        "amount": "11000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xdcdf184A64f6489Ec5304750a0AF157440115caE",
        "scheme": "exact"
      }
    ],
    "description": "AI-generated answers powered by Exa web search. Ask a factual or open-ended question and receive a synthesized answer with source citations.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "query": "What are the latest production uses of x402 payments?",
              "system_prompt": "Provide a concise, evidence-based answer and cite the most relevant sources."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "answer": "x402 is being used to meter access to APIs, model inference, and agent tools through per-request payments.",
              "citations": [
                {
                  "author": "Example Author",
                  "id": "https://example.com/x402",
                  "published_date": "2026-10-01T00:00:00.000Z",
                  "title": "Production adoption of x402 payments",
                  "url": "https://example.com/x402"
                }
              ],
              "request_id": "web-answer-example"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "query": {
                      "description": "Question or research request to answer using relevant web sources.",
                      "maxLength": 1000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "system_prompt": {
                      "description": "Optional instructions controlling the answer's focus, format, or style.",
                      "maxLength": 4096,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "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": {
                    "answer": {
                      "description": "AI-generated answer based on the cited web sources.",
                      "type": "string"
                    },
                    "citations": {
                      "description": "Web sources cited in the generated answer.",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "author": {
                            "anyOf": [
                              {
                                "type": "string"
                              },
                              {
                                "type": "null"
                              }
                            ]
                          },
                          "id": {
                            "type": "string"
                          },
                          "published_date": {
                            "type": "string"
                          },
                          "title": {
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "url"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "request_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "answer",
                    "citations"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-13T10:50:40.302Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-13T10:50:39.785Z"
    },
    "resource": "https://api.ai-open-models.com/v1/exa/answer",
    "serviceName": "Web Answer",
    "tags": [
      "web-answer",
      "web-search",
      "citations",
      "exa",
      "agent-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "AI-generated answers powered by Exa web search. Ask a factual or open-ended question and receive a synthesized answer with source citations."
}

What the leaf hashes

{"body":"41ea7cd56b5add82c50551999d0903d2a114ca887a605476275442b6e5327c75","id":64809,"kind":"listing","method":"baseline/1","observed_us":1793025457330278,"prev":null,"subject":"x402_bazaar:https://api.ai-open-models.com/v1/exa/answer","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x6d55af69c7e79b85f21f1654567d1711832f425934e1ef6ab8d149f7ded11832
2. 0xa980becc365346f6559ebc1f1d68f9173979bf58b7b8cf067c2c368813e12672
3. 0x1f51b0e2572b3240ce5a2a3db1f94ce4b03817d1bcc9555f179cfad8cf8c5fdf
4. 0x1b326daccfc4e06cd69a7d2f3d1d6c1ec6814febfb667b98e0307a7b022cc42d
5. 0xe497e2835e7c099699e1b326edb61f071b807b5f41859243046b84b7aca0e54c
6. 0x4567912690fe67645c252bf18e27ee2a12f2e43a7f3c3b9eeecfce3d7cdd3999
7. 0xc5970df1deef47ea44cff322c7cd0a4e6604dfae6cdabe13e4ecbeb0e4ad0f98
8. 0xb62376c32b580c78a3e8b7d7b77d8c1d636c5478f27bb1f57809a5b7db75ee99
9. 0x0e73789be7c40cfc0ff942e36c98ca89369b26c9056ecb17c09cfe774720d480
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