Evidence row 59745

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-markettwits-news.onrender.com/alerts/fx"
    ]
  ],
  "name": "x402-markettwits-news.onrender.com/alerts/fx",
  "owner_address": "0x2c257ee70952a16f00c99d40fdff2d28f1a5b8a2",
  "raw": {
    "accepts": [
      {
        "amount": "1500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2c257EE70952a16f00c99d40fDFF2d28f1A5b8A2",
        "scheme": "exact"
      }
    ],
    "description": "Latest official Bank of Russia rate (RUB per 1 unit, as /ru/fx) for one currency vs min and/or max: triggered, rate, breach below_min|above_max|null, distance and the CBR date. Unknown code -> 404, cbr.ru failure -> 502 (neither is settled).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "USD",
              "max": "95",
              "min": "75"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "breach": null,
              "change_pct": -1.103,
              "code": "USD",
              "date": "2026-10-22",
              "distance": null,
              "fetched_at": "2026-10-22T03:51:31Z",
              "max": 95,
              "min": 75,
              "name": "Доллар США",
              "nominal": 1,
              "prev_rate": 82.8879,
              "rate": 81.9739,
              "source": "Bank of Russia (cbr.ru/scripts/XML_daily.asp)",
              "triggered": false,
              "unit": "RUB per 1 unit",
              "value": 81.9739
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "ISO currency code quoted by the Bank of Russia, e.g. USD, EUR, CNY",
                      "pattern": "^[A-Za-z]{3}$",
                      "type": "string"
                    },
                    "max": {
                      "description": "Upper bound in RUB per 1 unit of the currency (e.g. 95). Give min and/or max.",
                      "pattern": "^[0-9]+([.,][0-9]+)?$",
                      "type": "string"
                    },
                    "min": {
                      "description": "Lower bound in RUB per 1 unit of the currency (e.g. 75). Give min and/or max.",
                      "pattern": "^[0-9]+([.,][0-9]+)?$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "breach": {
                      "enum": [
                        "below_min",
                        "above_max",
                        null
                      ],
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "cached": {
                      "type": "boolean"
                    },
                    "change_pct": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "code": {
                      "type": "string"
                    },
                    "date": {
                      "description": "Date the CBR rate is set for",
                      "type": "string"
                    },
                    "distance": {
                      "description": "rate - breached bound (null when inside the range)",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "fetched_at": {
                      "type": "string"
                    },
                    "max": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "min": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "nominal": {
                      "type": "integer"
                    },
                    "prev_rate": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "rate": {
                      "description": "Official CBR rate, RUB per 1 unit",
                      "type": "number"
                    },
                    "source": {
                      "type": "string"
                    },
                    "stale": {
                      "description": "true when the upstream failed and a recent cached copy was served",
                      "type": "boolean"
                    },
                    "triggered": {
                      "type": "boolean"
                    },
                    "unit": {
                      "type": "string"
                    },
                    "value": {
                      "type": "number"
                    },
                    "via": {
                      "enum": [
                        "direct",
                        "proxy"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "triggered",
                    "code",
                    "rate",
                    "min",
                    "max",
                    "breach",
                    "date"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T09:35:04.724Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T09:35:04.503Z"
    },
    "resource": "https://x402-markettwits-news.onrender.com/alerts/fx",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest official Bank of Russia rate (RUB per 1 unit, as /ru/fx) for one currency vs min and/or max: triggered, rate, breach below_min|above_max|null, distance and the CBR date. Unknown code -> 404, cbr.ru failure -> 502 (neither is settled)."
}

What the leaf hashes

{"body":"4271f2ec086b37128f524cc62692ef5710aa6658441ce592063b5cafa3736234","id":59745,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025447252647,"prev":null,"subject":"x402_bazaar:https://x402-markettwits-news.onrender.com/alerts/fx","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. 0xe0b4fac71fee39eb5c987652451a96ce870ba910cf7b3443c69e9015543f1c07
2. 0x2ceb209e067abb3b61fce691d854c4db81ce3c9931f813d0d9b33a120c71a661
3. 0x4c1f71647602248e3772559a528a887bd0811f3822efa62a1d2f6156032e7d53
4. 0x4f2cb0fb91a3a245b2488ee84abdf30f4a3f860720e41ca7914c13f2d4641975
5. 0x38d966ed2b55b929389f24dc0f43dd2f1c0e66450315f8049c75443b7f66e0c9
6. 0xecde80c248bd49e9abac83bfe6362b2d8e7d6a3b4ff3c8ceec6ae67d1d47a642
7. 0x9c4a2b7b9ae0b4e55fe2241c1e0870c310e7f25b95364c128b89f621873e3375
8. 0xdd1ea032eb2bc797a4af8c76453bcee95b5b16dac1d6d6b80306184234da3dcb
9. 0x99b783dba3694ae8f2773734195394a8b25123c4e91985af78afd47a5bedbe85
10. 0xd3a62dd19c033cefdc0e95b84442d2d997b149848ac391c70f7061b3fe284696
11. 0x82d0a2528274b883dc22fee84985c9c34404274baadfb76651d0008598f80bff
12. 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae