Evidence row 118403

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pay.omnidev.tech/x402/brief"
    ]
  ],
  "name": "OmniProvider",
  "owner_address": "0x1993330e3cc36b4a68b5790efbcfe296b02efedb",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1993330e3cC36B4a68B5790EFBcfE296b02efeDB",
        "scheme": "exact"
      }
    ],
    "description": "Pay-per-call cited research brief. The request carries a query and 1 to 12 quotes with source URLs; the response is a short brief that cites only those quotes, at 0.008 USDC per call on Base. Payment settles after the brief is produced. A client nonce header makes a retry free of a second charge.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "citations": [
                {
                  "quote": "Payment settles after the response is produced.",
                  "url": "https://example.com/doc"
                }
              ],
              "max_tokens": 200,
              "query": "What does the source say about settlement timing?"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "result": {
                "brief": "Settlement happens after the response is produced [1].",
                "citations": [
                  {
                    "quote": "Payment settles after the response is produced.",
                    "url": "https://example.com/doc"
                  }
                ],
                "cited": [
                  1
                ]
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "citations": {
                      "items": {
                        "properties": {
                          "quote": {
                            "maxLength": 1500,
                            "minLength": 8,
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "url",
                          "quote"
                        ],
                        "type": "object"
                      },
                      "maxItems": 12,
                      "minItems": 1,
                      "type": "array"
                    },
                    "max_tokens": {
                      "maximum": 600,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "maxLength": 2000,
                      "minLength": 3,
                      "type": "string"
                    }
                  },
                  "required": [
                    "query",
                    "citations"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "properties": {
                    "X-Omni-Client-Nonce": {
                      "description": "Present on every request that carries a payment credential: a random base64url value, 22-128 characters, new for each payment. A paid request without it is answered 400 client_nonce_required and is not charged.",
                      "pattern": "^[A-Za-z0-9_-]{22,128}$",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ok": {
                      "type": "boolean"
                    },
                    "result": {
                      "properties": {
                        "brief": {
                          "type": "string"
                        },
                        "citations": {
                          "type": "array"
                        },
                        "cited": {
                          "type": "array"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "required": [
                    "ok",
                    "result"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-17T00:02:53.613Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T00:02:53.294Z"
    },
    "resource": "https://pay.omnidev.tech/x402/brief",
    "serviceName": "OmniProvider",
    "tags": [
      "llm",
      "chat-completions",
      "openai-style",
      "pay-per-call",
      "prepaid-credits"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Pay-per-call cited research brief. The request carries a query and 1 to 12 quotes with source URLs; the response is a short brief that cites only those quotes, at 0.008 USDC per call on Base. Payment settles after the brief is produced. A client nonce header makes a retry free of a second charge."
}

What the leaf hashes

{"body":"04339eae58898fc8ca4a6d2ea03f7090a6528fe717efa09d164b05dbb3371fcb","id":118403,"kind":"listing","method":"baseline/1","observed_us":1793025612990159,"prev":null,"subject":"x402_bazaar:https://pay.omnidev.tech/x402/brief","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. 0x36a4d9d5aecd70a90a8d0e3e86d22470f53de0be6a418b762e637dcc87368f4d
2. 0x4544de70ba8b20cd2466c7ab03db4781f64d607ca167e270770b2beeec02a918
3. 0x47012fa017140bdaf4e8148e03a3e903e6d011b775399e32d5e20078e4c2f479
4. 0xfe75d57a7a1641c20dc9d66dfd5d04e12bbe62cf0fbd875e4f34de2c534c6c28
5. 0x7e72849dd6e54df4386ccc3c9c9946036c3e1518b9ca348c5b5bbd0721f49692
6. 0x973dcdc24b0d425468c5c24b1459af059ff80d077ca2fdf9d028e058cb47f58c
7. 0x0fc6fe239a27b3d4c5bb426c283c26f9117251119a55abcc4077f7df553a814b
8. 0xd584566a1dee51c44e0f5fdc2a6ef41039c49adaf0f883df139c33575c9a9c62
9. 0x80687ca38586be5e11ced0fdbf80e86d5257bda33f6fc84eea4882644b85a33d
10. 0x7f646cc5e17121efe4381acea1d941112b5aa8de81dc471998b936a49db0f9d4
11. 0x6cbefa9ec57ab9d64a7d01c677008d2c83081eace93b8302d64510745c5d3e36
12. 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae