Evidence row 526670

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.vextorium.com/v1/eu-government-debt"
    ]
  ],
  "name": "EU government debt | Vextorium",
  "owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
        "scheme": "exact"
      },
      {
        "amount": "0.003",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "87696F994BC34693B4C5FE46E231D892",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "2310",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "ABE6EACC4ACE4318BA4D5D78DD1532D7",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "assets": [
            {
              "address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:10",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "assets": [
            {
              "address": "0x3600000000000000000000000000000000000000",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            },
            {
              "address": "0x171a4217b86a807a64eb94757db6849fb4bdbaa0",
              "authorizationVersions": [
                "2"
              ],
              "decimals": 8,
              "symbol": "cirBTC"
            },
            {
              "address": "0xbef5f6d51cb62b58e6a8f77868681825c6fe21c1",
              "authorizationVersions": [
                "2"
              ],
              "decimals": 6,
              "symbol": "EURC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      }
    ],
    "description": "General government gross debt (Maastricht) as % of GDP for any European country, quarterly; without a country, a ranking with the latest figure of each. Official Eurostat data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "ES",
              "quarters": 4
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "country": "ES",
              "last": {
                "debt_pct_gdp": 101.6,
                "period": "2026-Q1"
              },
              "name": "Spain",
              "series": [
                {
                  "debt_pct_gdp": 103.4,
                  "period": "2025-Q2"
                },
                {
                  "debt_pct_gdp": 103.1,
                  "period": "2025-Q3"
                }
              ],
              "source": "Eurostat (gov_10q_ggdebt, CC BY 4.0)",
              "updated": "2026-07-21T11:00:00+0200"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country": {
                      "description": "ISO code (ES, DE, FR...), EU, EA or omit for a ranking of all countries",
                      "type": "string"
                    },
                    "quarters": {
                      "type": "integer"
                    }
                  },
                  "required": []
                },
                "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": {
                  "properties": {
                    "country": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "last": {
                      "properties": {
                        "debt_pct_gdp": {
                          "type": [
                            "number",
                            "null"
                          ]
                        },
                        "period": {
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "series": {
                      "items": {
                        "properties": {
                          "debt_pct_gdp": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "period": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": [
                          "null",
                          "object"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "updated": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "type": [
                    "object",
                    "null"
                  ]
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T12:18:00.733Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T12:18:00.19Z"
    },
    "resource": "https://api.vextorium.com/v1/eu-government-debt",
    "serviceName": "EU government debt | Vextorium",
    "tags": [
      "debt",
      "government",
      "fiscal",
      "eurostat",
      "eu"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "General government gross debt (Maastricht) as % of GDP for any European country, quarterly; without a country, a ranking with the latest figure of each. Official Eurostat data."
}

What the leaf hashes

{"body":"9619e60bc44183c4c8714cd8e4b16abb0ea268cd5e08e6fb4669838c37019f33","id":526670,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124790054376,"prev":469567,"subject":"x402_bazaar:https://api.vextorium.com/v1/eu-government-debt","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xbbc11d3460147721f9df4fcbd43ba9f740e3c31af8b9110bb3eca54f9185ee1f
2. 0xf5a36f830d341e584f00a272b5b0e552ed4e151fa7f9601f0782909c7eb117f6
3. 0xba4bb9841bb9210988b00581af0b2e078fc0895f3a94e02dc075526c81d19cea
4. 0xdad8d7ec0b2076112bc677bf17cd59b40f493538ec4f552bd11ccb816f08b6d1
5. 0x780973d50660b19155ef0c6adb9b28f045157d2ece9a8f1aca2b54fd118a19d1
6. 0x8044d7578334fb0df17d2b0a66bc76d6c080f71da9488eba0d9c44b0d603b92d
7. 0x0eb34f2c8e717bb9e53521961265cfac64ddc5b390b055eb3eed29b8c753fb92
8. 0x1556d2f6f79c04f0b5fa50ada2033b0228834e508aeb24e18f190e061c747e80
9. 0x4cfeadeeecd2a5e2849acf9efc5dc9f91138577e90ff85d67263f9faaec08f5d
10. 0xafd6b70c1465b8a2427d47ea40632cde7a6907f32f64f887c4cb460e460f7fdd
11. 0xaf79bfeaa8b78c501b6b72d2abd133b4a8958ea976a4458f01d1f54590268c1e
12. 0x5942c2574ffacd0c039c3cd1147d5ab0b6d34e0278203065ce21c437ae2a392d
13. 0xa4f69e2cf941a3f318d70734b59401dd27010a6bdffb5c32a28304db650a6f0b
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4