Evidence row 1050520

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-v2-mint-llm-cost-quote.vercel.app/v1/llm-cost-quote"
    ]
  ],
  "name": "x402-v2-mint-llm-cost-quote.vercel.app/v1/llm-cost-quote",
  "owner_address": "0xc22f9caebac37fe72d5142f35f21f6696ea9ef69",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
        "scheme": "exact"
      }
    ],
    "description": "Cost quote per model from OpenRouter public /models (keyless), cheapest first.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "text": "Hello world from x402."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "ok": true,
              "skill": "llm-cost-quote",
              "summary": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "include_free": {
                      "default": false,
                      "type": "boolean"
                    },
                    "input_tokens": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "models": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "output_tokens": {
                      "default": 500,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "request_id": {
                      "type": "string"
                    },
                    "text": {
                      "type": "string"
                    },
                    "top": {
                      "default": 10,
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T14:10:28.351Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T14:10:28.158Z"
    },
    "resource": "https://x402-v2-mint-llm-cost-quote.vercel.app/v1/llm-cost-quote",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cost quote per model from OpenRouter public /models (keyless), cheapest first."
}

What the leaf hashes

{"body":"c31d3e988eb10df029d5ff4860b3c39e9f416cf03297f7b903deb1967fe46a1e","id":1050520,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793299038202775,"prev":null,"subject":"x402_bazaar:https://x402-v2-mint-llm-cost-quote.vercel.app/v1/llm-cost-quote","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x6e826fe69f0a8903e363c1d5df543661e5a07cb2620c4d13736ebcc65ae9eb81
2. 0xef93f8587dd005c9566fc9b5426a9107b16e7b3385c0195e212b12565a5ce08f
3. 0xf04469ea57cde47872b26ec65e3c38b7426c60c3ab32339bf8e440e24674ca1a
4. 0x79c415c5a24ffb26cff4f5a3164af61cd79909f2b7aa5465a4430523da1ea480
5. 0x7bb72e85c4a257849eed0b0f2d9661b40c8d0206205932b61d8be1a5ebd8dcd5
6. 0x46886af1cd9bb5ff20305918f5f781d5619fb6ae02cdcda5d6458feee065d8fd
7. 0x8c45f7c76cd9a7e8b3526938c5bee069dea47ce4f1ec9a7ded3b51f539a90eeb
8. 0x0bc8d527870f52ccd353f84f1874bae5cf2b3243c775d13a3fa491c15936a880
9. 0xfe0245b70f1fbec89aeb7c1b4ad1f1abbe1ff079be540f473ba847294f29acd8
10. 0xaee352a15ab4bc53c7e3254f0e17b5d085cef0f166dbcfb4701977b1e81828da
11. 0xf61085ad7f5d976ac0dd641b89b18014d6da35440f475dcc63b08cefc091db55
12. 0x5475ebd9df7198eeb73e1906dfc25f3050ca20da1e9e96ae5bc4155bacc17418
13. 0x5e082ba4c95cbcfbd572fafcdfd31d533e69877dbf53c456d3c5b2f727f18ffe
14. 0xec2e740df411d32a080c5e65c8b0ca511ad665b213532cee58525a97aebd2893
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1