Evidence row 451226

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://brasil-dados-api.onrender.com/economy/ipca"
    ]
  ],
  "name": "Brazil Data API",
  "owner_address": "0x649006bc937e7a60f98e49455d0fe3425321a3b0",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x649006bC937E7a60F98e49455D0fE3425321A3b0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "yUdt7ThMbP5mvtLtURiwK3wgnhexuFtbKC9LEgb1Q8e",
        "scheme": "exact"
      }
    ],
    "description": "Brazil IPCA consumer inflation: last 12 monthly readings and 12-month accumulated. Central Bank of Brazil.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "accumulated_12m_pct": 4.72,
              "indicator": "IPCA (% per month)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:46:26.181Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T14:38:23.459Z"
    },
    "resource": "https://brasil-dados-api.onrender.com/economy/ipca",
    "serviceName": "Brazil Data API",
    "tags": [
      "brazil",
      "brasil",
      "data",
      "economy",
      "verify"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazil IPCA consumer inflation: last 12 monthly readings and 12-month accumulated. Central Bank of Brazil."
}

What the leaf hashes

{"body":"dae89cb2f4cc801164c4e4d8934114749c73a6740416e29c3499f5218ca08837","id":451226,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100488403526,"prev":71873,"subject":"x402_bazaar:https://brasil-dados-api.onrender.com/economy/ipca","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. 0x643c463d360c4619db5c428c416fbf9037e74e631c84ddab893b719d3cbaf05d
2. 0x25a950cca814433f1bf1ea34a2b5f1134e3a53d16be069e49153aa42117e6a67
3. 0xba1c05b8c58dfffca94d6dc4a1259081de17b3fc33aceda42a53958259ecddad
4. 0x8258d070dabccd71db9dfc4a4dc4e96833a2af6ed488c329847cb3472df49b40
5. 0x45f23210560db4c4d143357147699995ebd0f9a4bb2480b67cc03d0893465bcb
6. 0xdd87068f373614715a378f9560b8010a428f1d41a70702b2da259ab7498a089a
7. 0xb927edd6932b867dffec8a07a42629531698b9ab99e8387b562ac4d959c0a2da
8. 0x6b65e61312fc150df46422f72ec7bc42ebab53370906267859605d93a2c4f5db
9. 0x2a5bdcb29348384d14b06ded4b04c23046200a25ccc4fab27a533f3664204414
10. 0xfd70b3e83b7034b7a68c1b671770fdd0559e9a942b56b74a5228c4886ee50f89
11. 0xcd76c41dfcff13156d2af2cc6dfbdeb2edaf4851321395cdd37af3eba0f1a0a0
12. 0x188b042e533a0dd4a8a233ee981012ab6f4d30710df7807c0e36d3d969103a6d
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4