Evidence row 74392

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://economy.openverbs.com/v1/country-indicators"
    ]
  ],
  "name": "economy.openverbs.com/v1/country-indicators",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Country economic indicators: GDP and GDP per capita in current USD, real GDP growth and population from World Bank WDI. Annual history for the last 1-10 complete calendar years by ISO3 country code, with per-series latest values, units, nulls, dataset update date and CC BY attribution. Historical estimates, not real-time data or forecasts; outage cache is flagged stale.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "BRA",
              "years": 5
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "country": {
                      "description": "ISO 3166 alpha-3 code for one of 215 World Bank-supported countries/territories, e.g. BRA, IND or ZAF. No region aggregates.",
                      "pattern": "^[A-Za-z]{3}$",
                      "type": "string"
                    },
                    "years": {
                      "default": 5,
                      "description": "Last N complete calendar years in UTC, resolved before payment. Missing observations are not filled.",
                      "maximum": 10,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "country"
                  ],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T19:09:00.487Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T19:09:00.223Z"
    },
    "resource": "https://economy.openverbs.com/v1/country-indicators",
    "tags": [
      "economy",
      "country indicators",
      "gdp",
      "gdp per capita",
      "economic growth"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Country economic indicators: GDP and GDP per capita in current USD, real GDP growth and population from World Bank WDI. Annual history for the last 1-10 complete calendar years by ISO3 country code, with per-series latest values, units, nulls, dataset update date and CC BY attribution. Historical estimates, not real-time data or forecasts; outage cache is flagged stale."
}

What the leaf hashes

{"body":"eb9410d807227f3ec7e812a1dc8f95184450e5de79ae65803e01690dafa1abf8","id":74392,"kind":"listing","method":"baseline/1","observed_us":1793025489033244,"prev":null,"subject":"x402_bazaar:https://economy.openverbs.com/v1/country-indicators","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. 0xc9bfbd2a127f3cd613edfb1a98912665d551f0a3f50565e09b6872a6e872b120
2. 0xc10060fea797f57e74bbdcecdee5495d1082f06819e40961ecee2ab50905e341
3. 0x0a9533a180c4cff4e47bf96236c18283687f23f0fc1151f9ffd3cc7cb0dbae7f
4. 0xa3300040c7884928d1e040fb72a0a564b9e7e52a446f90c5a6ae023ad7bd2940
5. 0x1036e67e94eecc30861c120fd624d137f4e2df59e7427800a7f7265fdc9c0405
6. 0x92860fee0837864af8e954c35dd4b3ff3ecd5e7b4c423f4924c1d7adcbdc82f6
7. 0x67c60d62139f7766bb9edb5c0bc5900e7a41983438286c8a44f50c68199059b6
8. 0xcbf246dd29448c433d63e0879498fd6345d6abdb90ff389ab58a1f75a6ae58cf
9. 0x7defb96cd7c4f1f4cdc1d33dbed6775edfd6f1d3f3dcd10f8601f08a2c66e41b
10. 0xff8a61dc0d7a2ad53748c909044ecbbf5355b001e1be01dd836899cb83511970
11. 0x60eabf7e1a3db5892c30621c19c096fd56eb4ad1f2ace810471d00503c868d2b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae