Evidence row 1790997

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/wiki-fact"
    ]
  ],
  "name": "Agent Extraction API",
  "owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
        "scheme": "exact"
      }
    ],
    "description": "Wikipedia fact lookup: best-matching Wikipedia article for a query with summary, description, URL and structured Wikidata facts (type, country, headquarters, founded, founders, CEO, website, industry, employees, ticker, population, coordinates). Any Wikipedia language.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "Coinbase"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "description": "American cryptocurrency exchange",
              "facts": {
                "founder": [
                  "Brian Armstrong",
                  "Fred Ehrsam"
                ],
                "inception": "2012-06-20",
                "officialWebsite": "https://www.coinbase.com"
              },
              "title": "Coinbase",
              "url": "https://en.wikipedia.org/wiki/Coinbase"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lang": {
                      "description": "Wikipedia language code, default en",
                      "type": "string"
                    },
                    "q": {
                      "description": "entity or topic",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793252197/bazaar-icons/19906174df41ffa4.png",
    "lastUpdated": "2026-10-31T21:53:35.667Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-31T21:53:35.538Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/wiki-fact",
    "serviceName": "Agent Extraction API",
    "tags": [
      "wikipedia",
      "wikidata",
      "facts",
      "knowledge"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Wikipedia fact lookup: best-matching Wikipedia article for a query with summary, description, URL and structured Wikidata facts (type, country, headquarters, founded, founders, CEO, website, industry, employees, ticker, population, coordinates). Any Wikipedia language."
}

What the leaf hashes

{"body":"ae767f508cee87206ad318d5f352c71654e42ffab929fdfe514db35ada83a202","id":1790997,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559939401426,"prev":null,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/wiki-fact","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x581b44f61268cc36a32b90a0c1d1c16585f869574227d7f8a33cd88fca5f8a35
2. 0x8e723385732673a16ab3a395814c96425d54d0a338c968afc4fd2b35e3fda3ce
3. 0x31fd2718cbba98d0434c164b1d77ba8930b817eefa5936279f3fdf1f28509d7b
4. 0x9630f995950c1c60cf44538b9b33699ee40397e983097870a7474b3a57d4b855
5. 0xa59b7b494fa7c8132ebf1677c4fc82eb86b736ab13ffd5b36a2835f5edb04734
6. 0x3e801507c4d547ff2d688b73ee74c6b3e0d7c0f6c6ea1717e9b5835d9df336c8
7. 0x8bc1c405d6e5cb2a5aa1b1a2a9c96099f48dd9fa227f51e6385a176c76f240a9
8. 0xc75072b6d7e7f1e17eab193b839cce57bda6c31c208b6abdec14aac65a7fe491
9. 0x62efb9d104c3db27e915b2ade493a81ac52e7cc2403b4051a8f21165af6d18ee
10. 0xed98b986021e8282df6fbb71491b5b37dc4b08eecf95f21fa7dd6cf5ff275ed4
11. 0x28a8bbbfb74590a4821a0dc2ec2949cba1157cfc90f4f7e45a55941e5db34eec
12. 0xde1fd31d10ba36dac3c345ea907bd1d4fd47e4fc9fb148e86bb9173da80d02bd
13. 0x25c3242ac264be301989809e7441ef0e86b1880cd2901fd07b765f01885b4af0
14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90