Evidence row 2200230

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://readfetch.com/v1/search"
    ]
  ],
  "name": "readfetch.com",
  "owner_address": "0x26c2308adc8fe5ffe6d4183588dd2dd22ed86071",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Run a web search without a separate search API subscription. Returns titles, URLs, and snippets only — not full page text; follow with readfetch_text, readfetch_probe, or readfetch_scrape on a chosen result URL. `limit` is 1–20 (default 5). Optional `lang` biases locale (e.g. en, de-DE). Optional `tbs` filters recency: h= past hour, d= day, w= week, m= month, y= year. Use readfetch_map/readfetch_crawl when you already know the site; readfetch_* URL tools when you have the link.",
        "extra": {
          "name": "USD Coin",
          "paymentFlow": "authorization",
          "version": "2"
        },
        "maxAmountRequired": "5000",
        "maxTimeoutSeconds": 60,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0x26C2308aDC8fe5FFE6d4183588DD2DD22ed86071",
        "resource": "https://readfetch.com/v1/search",
        "scheme": "exact"
      }
    ],
    "description": "Run a web search without a separate search API subscription. Returns titles, URLs, and snippets only — not full page text; follow with readfetch_text, readfetch_probe, or readfetch_scrape on a chosen result URL. `limit` is 1–20 (default 5). Optional `lang` biases locale (e.g. en, de-DE). Optional `tbs` filters recency: h= past hour, d= day, w= week, m= month, y= year. Use readfetch_map/readfetch_crawl when you already know the site; readfetch_* URL tools when you have the link.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 5,
              "query": "example"
            },
            "bodyType": "json",
            "description": "Web search without a search subscription, returning titles, URLs and snippets.",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "description": "Run a web search without a separate search API subscription. Returns titles, URLs, and snippets only — not full page text; follow with readfetch_text, readfetch_probe, or readfetch_scrape on a chosen result URL. `limit` is 1–20 (default 5). Optional `lang` biases locale (e.g. en, de-DE). Optional `tbs` filters recency: h= past hour, d= day, w= week, m= month, y= year. Use readfetch_map/readfetch_crawl when you already know the site; readfetch_* URL tools when you have the link.",
            "example": {
              "billed": true,
              "hint": null,
              "query": "rust async runtime",
              "results": [
                {
                  "position": 1,
                  "snippet": "...",
                  "title": "Tokio",
                  "url": "https://tokio.rs/"
                }
              ],
              "status": "success"
            },
            "format": "application/json",
            "type": "json"
          }
        },
        "schema": {
          "$defs": {},
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "lang": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "description": "Optional language/locale hint, e.g. en or de-DE."
                    },
                    "limit": {
                      "default": 5,
                      "description": "Maximum number of results to return (default 5).",
                      "maximum": 20,
                      "minimum": 1,
                      "type": "number"
                    },
                    "query": {
                      "description": "Search query string.",
                      "minLength": 1,
                      "type": "string"
                    },
                    "tbs": {
                      "anyOf": [
                        {
                          "enum": [
                            "h",
                            "d",
                            "w",
                            "m",
                            "y"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "description": "Optional recency filter: h=hour, d=day, w=week, m=month, y=year."
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "const": "json"
                },
                "method": {
                  "enum": [
                    "POST"
                  ]
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "billed": {
                  "type": "boolean"
                },
                "hint": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "query": {
                  "type": "string"
                },
                "results": {
                  "items": {
                    "properties": {
                      "position": {
                        "type": "integer"
                      },
                      "snippet": {
                        "type": "string"
                      },
                      "title": {
                        "type": "string"
                      },
                      "url": {
                        "format": "uri",
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "type": "array"
                },
                "status": {
                  "type": "string"
                }
              },
              "type": "object"
            }
          }
        }
      },
      "readfetch": {
        "llms_txt": "https://readfetch.com/llms.txt",
        "mcp": "https://readfetch.com/mcp",
        "mcp_manifest": "https://readfetch.com/.well-known/mcp.json",
        "openapi": "https://readfetch.com/openapi.json",
        "payment_status": "live",
        "probe": {
          "free": true,
          "method": "POST",
          "note": "The only free POST — no wallet, no 402, no x402. Metadata plus optional ~400-character preview for the same URL before paying.",
          "path": "/v1/probe",
          "price_usd": 0
        },
        "related_endpoints": [
          {
            "path": "/v1/map"
          },
          {
            "path": "/v1/probe"
          }
        ],
        "service_manifest": "https://readfetch.com/.well-known/service.json",
        "skill": "https://readfetch.com/SKILL.md",
        "support": {
          "claims": {
            "method": "POST",
            "path": "/v1/claims",
            "url": "https://readfetch.com/v1/claims",
            "when": "paid delivery dispute; needs RECEIPT + EIP-191 signature"
          },
          "feedback": {
            "body": {
              "category": "integration|docs|site|other",
              "message": "≤500 chars",
              "request_id": "<from X-Request-Id>"
            },
            "free": true,
            "mcp_tool": "readfetch_feedback",
            "method": "POST",
            "path": "/v1/feedback",
            "url": "https://readfetch.com/v1/feedback"
          },
          "request_id_header": "X-Request-Id"
        },
        "x402_resources": "https://readfetch.com/.well-known/x402-resources.json"
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793278990/bazaar-icons/a51ede90f06a90b8.png",
    "lastUpdated": "2026-11-02T12:09:41.206Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T12:09:40.909Z"
    },
    "resource": "https://readfetch.com/v1/search",
    "serviceName": "readfetch.com",
    "tags": [
      "results",
      "search",
      "serp",
      "snippets",
      "web search"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Run a web search without a separate search API subscription. Returns titles, URLs, and snippets only — not full page text; follow with readfetch_text, readfetch_probe, or readfetch_scrape on a chosen result URL. `limit` is 1–20 (default 5). Optional `lang` biases locale (e.g. en, de-DE). Optional `tbs` filters recency: h= past hour, d= day, w= week, m= month, y= year. Use readfetch_map/readfetch_crawl when you already know the site; readfetch_* URL tools when you have the link."
}

What the leaf hashes

{"body":"2fc43a6f2c94c39a8b00f62bc54d0c901e58efc2a2e7d76a763c2b94bf16b77e","id":2200230,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646796823969,"prev":1261562,"subject":"x402_bazaar:https://readfetch.com/v1/search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3dce459370ee5b511d2aeadd5d6ccc50bf3cb0a26069b114f61348d4e03fb634
2. 0xe6ece5cb5e2441b99ea8731b2fae15be671bb2496f401e45f09c936e2789aa7b
3. 0x3ee639c48cb2a572cea5c8aca3dd8b579e4498fb00f4a8787035fb6a924136ed
4. 0xd8b1f34250720c6975551999b47b20131bd8917c4d1cc2e2990ac5cd537c0191
5. 0x683baa7a9a940735ee7f2ca554c0fdb527457f53eaceed44021022d65b114d66
6. 0x513a2622e6de3561573f6072f0a73786a3bdcb5cb6dcc18f9e517363f843e922
7. 0x5c952a37152f93d43cdf645e1f8170148483a11132d59e9a4a65373112817825
8. 0xff5062290509d83a342581d035827c63b85b456c001c3a1ef25af31afdefcf39
9. 0xd0f070a5ab1647474cd20bb47bcdc662f99d49fb12435748a74c7847ec0cacfd
10. 0xa5bb22d30fc3fa463f92fbab27104c9aebd8fc49b2d1493b383e453316f07d96
11. 0x2be848cb86d72c2e582fe1d0a7c67c075a60e3819be24b46432581c3db979e93
12. 0xb1c944b99390ba5175965090f5362380c7485dc911c281e22b9c18263ec8c4ed
13. 0x361907c755dedca0a2adf05840c4c503b2c9a3af060e2659c8c63c2a1e438de2
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af