Evidence row 63693

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.machina.gg/zcj/zhqevkiub1zx/world-cup/v1/get-schedule"
    ]
  ],
  "name": "Machina Sports",
  "owner_address": "0x348ac9e3b010ba2300ba9a7bcfe5ae592b9fcfaa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "billing": {
            "description": "amount is the price and is charged in full when you pay, and is not returned if delivery fails: this rail settles once and cannot give change. (Exact entries appear only on fixed-price requests - ceiling-priced requests are offered the reserve-and-pay-actual entry instead.)",
            "model": "prepaid"
          },
          "name": "USD Coin",
          "version": "2",
          "zeroclick": {
            "agentPaymentId": "apay_eUZHD7RJQu1DIMaSamdHJ",
            "kind": "transaction",
            "zcRequestId": "zcreq_Fd5SXgP_fzbzHlLpifvDq"
          }
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x348ac9e3b010ba2300ba9a7bcfe5ae592b9fcfaa",
        "scheme": "exact"
      }
    ],
    "description": "Tournament fixtures, filterable by team, opponent, and date range.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "date_from": {
                      "format": "date",
                      "type": "string"
                    },
                    "date_to": {
                      "format": "date",
                      "type": "string"
                    },
                    "limit": {
                      "default": 104,
                      "maximum": 500,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "offset": {
                      "default": 0,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "opponent": {
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "FT",
                        "AET",
                        "PEN",
                        "ft",
                        "aet",
                        "pen"
                      ],
                      "type": "string"
                    },
                    "team": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "terms": {
        "info": {
          "links": [
            {
              "kind": "platform_terms_of_service",
              "url": "https://www.zeroclick.ai/legal/buyer-terms-of-service"
            }
          ],
          "note": "By paying this challenge, whether directly or through an agent acting on your behalf, you accept the platform's buyer terms of service; an agent's payment and acceptance are attributed to you and bind you as if you had taken them yourself."
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "links": {
              "items": {
                "properties": {
                  "kind": {
                    "enum": [
                      "terms_of_service",
                      "privacy_policy",
                      "additional_terms",
                      "platform_terms_of_service"
                    ],
                    "type": "string"
                  },
                  "url": {
                    "type": "string"
                  }
                },
                "required": [
                  "kind",
                  "url"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "note": {
              "type": "string"
            }
          },
          "required": [
            "links"
          ],
          "type": "object"
        }
      },
      "zeroclick": {
        "info": {
          "payment": {
            "amountUsd": "0.010000",
            "id": "apay_eUZHD7RJQu1DIMaSamdHJ"
          },
          "requestId": "zcreq_Fd5SXgP_fzbzHlLpifvDq",
          "service": "match-context"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "agentId": {
              "type": "string"
            },
            "payment": {
              "properties": {
                "amountUsd": {
                  "type": "string"
                },
                "id": {
                  "type": "string"
                }
              },
              "required": [
                "id",
                "amountUsd"
              ],
              "type": "object"
            },
            "requestId": {
              "type": "string"
            },
            "service": {
              "type": "string"
            }
          },
          "required": [
            "payment"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790903234/bazaar-icons/c17701753a1511e2.png",
    "lastUpdated": "2026-10-08T06:26:17.678Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T06:26:17.324Z"
    },
    "resource": "https://agents.machina.gg/zcj/zhqevkiub1zx/world-cup/v1/get-schedule",
    "serviceName": "Machina Sports",
    "tags": [
      "world-cup",
      "football",
      "sports-data",
      "forecasts",
      "match-content"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Tournament fixtures, filterable by team, opponent, and date range."
}

What the leaf hashes

{"body":"7f9ef214ec77d9df4d63ce7c3a0697cb0d578fb95d42c6bb0c414aa708c3ab60","id":63693,"kind":"listing","method":"baseline/1","observed_us":1793025455291245,"prev":null,"subject":"x402_bazaar:https://agents.machina.gg/zcj/zhqevkiub1zx/world-cup/v1/get-schedule","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. 0x88e2d6f3ec4f8cc5446bf899b62bfa152462cf87fcea7e632164734a4872a316
2. 0x2f035a2c37bd7865edce5c29fea85e2276b96758c0d2552b76e08e45d8c8997a
3. 0xe2a2ea7c2faef469a9f836ffb707a095e0865c36f75908710cdd69e0f1a82a27
4. 0x54ec49d736c045dae11770486f8f51e388c5193a2e8c53ad84946abbb13f72aa
5. 0xb9302bc12e825bbcbf4770b8bb8ab21a2b685d7540ec34a12b7da628177c1ad3
6. 0x843330a05c587d1d3e3db6e550ddfa7645bba7e5570a8170077566e83c4fac26
7. 0xd4f50abbaa3d92169c4ac70c33b28c9909cda5fe0ea0c9f15df96de679f321d0
8. 0x1d551861edf2d5cdc5bbbee8c58e1db39b0f45084d8912c7f943025f99a03c50
9. 0xf9ed18286f6517b47cbf859f0ffddb7da1c9fb2f6c0d34f4d7757f67a6848bfb
10. 0x0bddd95edb3cc8a74f81c35b1f32507f6ed7a6ed6ae13fea115bbe410ecc9777
11. 0x8c20bf7d4b3dd52508d554a379143f96b80b2bc0af227c0b1ce2e34d99c6430b
12. 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae