Evidence row 125310

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-markettwits-news.onrender.com/news/country"
    ]
  ],
  "name": "x402-markettwits-news.onrender.com/news/country",
  "owner_address": "0x2c257ee70952a16f00c99d40fdff2d28f1a5b8a2",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2c257EE70952a16f00c99d40fDFF2d28f1A5b8A2",
        "scheme": "exact"
      }
    ],
    "description": "Items of the last N hours (1-168, default 24; importance all|high|medium|low) that carry the country's flag emoji or mention it (e.g. RU: Russia/Kremlin/Bank of Russia/MOEX; US: USA/Fed/White House): count, high_count, share_of_window, top_topics and the 10 latest headlines.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "RU",
              "hours": 24
            },
            "type": "http"
          },
          "output": {
            "example": {
              "by_flag": 93,
              "code": "RU",
              "count": 112,
              "flag": "🇷🇺",
              "high_count": 31,
              "hours": 24,
              "importance": "all",
              "latest": [
                {
                  "headline": "SPCX = +9%: SpaceX posted a quarterly profit for the first time",
                  "id": 389795,
                  "importance": "high",
                  "published_at": "2026-10-21T10:02:00Z",
                  "source_url": "https://t.me/markettwits/389795"
                }
              ],
              "share_of_window": 49.1,
              "since": "2026-10-20T16:00:00Z",
              "top_topics": [
                {
                  "count": 40,
                  "topic": "Russia"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "ISO 3166-1 alpha-2 country code (e.g. US, RU, CN, UA, IR, GB; UK = GB; EU accepted)",
                      "pattern": "^[A-Za-z]{2}$",
                      "type": "string"
                    },
                    "hours": {
                      "default": 24,
                      "description": "Look-back window in hours (default 24, clamped to 1-168)",
                      "maximum": 168,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "importance": {
                      "default": "all",
                      "description": "Importance filter (default all)",
                      "enum": [
                        "all",
                        "high",
                        "medium",
                        "low"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "by_flag": {
                      "description": "Matches by flag emoji (the rest by country keywords)",
                      "type": "integer"
                    },
                    "code": {
                      "type": "string"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "flag": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "high_count": {
                      "type": "integer"
                    },
                    "hours": {
                      "type": "integer"
                    },
                    "importance": {
                      "type": "string"
                    },
                    "latest": {
                      "description": "Up to 10, newest first",
                      "items": {
                        "properties": {
                          "headline": {
                            "description": "First meaningful line, emoji removed",
                            "type": "string"
                          },
                          "id": {
                            "description": "Telegram post id in t.me/markettwits",
                            "examples": [
                              389638
                            ],
                            "type": "integer"
                          },
                          "importance": {
                            "enum": [
                              "high",
                              "medium",
                              "low"
                            ],
                            "type": "string"
                          },
                          "published_at": {
                            "description": "Publication time of the original post (ISO 8601)",
                            "type": "string"
                          },
                          "source_url": {
                            "description": "Original Russian post",
                            "type": "string"
                          }
                        },
                        "required": [
                          "id",
                          "published_at",
                          "importance",
                          "headline",
                          "source_url"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "share_of_window": {
                      "description": "Percent of all items in the window",
                      "type": "number"
                    },
                    "since": {
                      "type": "string"
                    },
                    "top_topics": {
                      "items": {
                        "properties": {
                          "count": {
                            "type": "integer"
                          },
                          "topic": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "code",
                    "hours",
                    "count",
                    "high_count",
                    "latest",
                    "top_topics"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T09:51:21.549Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T09:51:21.227Z"
    },
    "resource": "https://x402-markettwits-news.onrender.com/news/country",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Items of the last N hours (1-168, default 24; importance all|high|medium|low) that carry the country's flag emoji or mention it (e.g. RU: Russia/Kremlin/Bank of Russia/MOEX; US: USA/Fed/White House): count, high_count, share_of_window, top_topics and the 10 latest headlines."
}

What the leaf hashes

{"body":"9bb3c154b6842986e72e4fa40e1e5bb713dff6ec1d35a46ebae91e05494f7ac9","id":125310,"kind":"listing","method":"baseline/1","observed_us":1793025626061350,"prev":null,"subject":"x402_bazaar:https://x402-markettwits-news.onrender.com/news/country","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. 0x656a17dc3b36cc76529b3dc0f052d5218f2f260e12ad588bd34c6d9086a9dbfa
2. 0x8a422d672e1f909a3007f169811f243015b0c4bfb4cf3b5adb94c135da114c7e
3. 0xe5e61d7710edac03bce609d25f5ba2bd4b8f7ad507021103b8c16b72f59c06e7
4. 0x36c6cf155e2dbfa15b974ce530b428f49c6f8caf564dd58a80468a99ef162bb4
5. 0x5ac5ed5f7c3532fd3275d0dc165844bb081e4b25e4f09fbf27634f20fbca0cc0
6. 0xeb3c1a2489717ac3444b9f5a6a7f44677e276cbd5649e0f45e0a5b9f9e2b93a8
7. 0xde318a29f1a99a2139daf36c8d09b4b50249f70a907dae0bc239be2bc6fb9280
8. 0x28fdf57188430e21a2c31ec178ab2a4e6b0232cdca7036b1ae35df7b0ce336f1
9. 0x7ba52990c25e82b65597b5ab659a817f7f4e1620500b72a8e1a0b2d518d82a43
10. 0x5296420e1acf9644fca56dfcfebe9911f7cbd593b603e3a280043d869ff6edc4
11. 0x2184826674dda59cfc6d24bc12b2c70a5f4db29f874e67fded919c1410503d2e
12. 0x611b1c1b68d04a71934006e383071a8f3836400d60beb86d81dd038bc102029f
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae