Evidence row 1510994

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://instructional-decision-engine-x402.vercel.app/elections/results"
    ]
  ],
  "name": "NovaPath",
  "owner_address": "0x6b62673ccbe35ff0dc68490c7ca576334e0d607e",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6B62673cCbe35ff0dc68490c7Ca576334e0D607e",
        "scheme": "exact"
      }
    ],
    "description": "Query official FEC historical U.S. presidential popular-vote results for 2016, 2020 and 2024 by state, DC or nation. Preserves named major-party candidates and a labeled all-others bucket. Supports future sourced unofficial snapshots with explicit status and timestamps; unavailable contests are rejected before payment. Free coverage: /elections/catalog.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "contestId": "us-president-2024",
              "jurisdictions": [
                "US",
                "CO"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "contestId": {
                      "pattern": "^us-(?:president|senate|house|governor)-20[0-9]{2}(?:-[A-Z0-9-]{1,12})?$",
                      "type": "string"
                    },
                    "jurisdictions": {
                      "items": {
                        "pattern": "^(?:US|[A-Z]{2}(?:-[0-9]{2})?)$",
                        "type": "string"
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "contestId",
                    "jurisdictions"
                  ],
                  "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": "2026-10-31T12:17:49.764Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-31T12:17:49.566Z"
    },
    "resource": "https://instructional-decision-engine-x402.vercel.app/elections/results",
    "serviceName": "NovaPath",
    "tags": [
      "election-results",
      "public-data",
      "historical-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Query official FEC historical U.S. presidential popular-vote results for 2016, 2020 and 2024 by state, DC or nation. Preserves named major-party candidates and a labeled all-others bucket. Supports future sourced unofficial snapshots with explicit status and timestamps; unavailable contests are rejected before payment. Free coverage: /elections/catalog."
}

What the leaf hashes

{"body":"873e52ebef835f8f02b0e7a40ac104bbd2b4fcf131f2d0c70d4440f387b7a2f1","id":1510994,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472853709002,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/elections/results","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x7af4cb701a8a598e5f3f2bb5ee6cca97331a94415b868315a399cff78b2da78d
2. 0xea6914295ad85c880c1eef023d5ab10b57e594168a31c97ca252a56cd9826525
3. 0x370bf3ddbba95a6d8dd0e397a2da12e8d417d5446389444dcebda4bb8bd28808
4. 0x4d8135c2c764db1f43c50f5ad80c6e1271bdf646ce6b7d747c0c65d54d1d99c1
5. 0x1ca4a70421c8930f6e598036c1c399c3e749c04e32206acfcbfff249fc5af255
6. 0xb21d1d017a39e98a25c7dd4bb856ee27059480f54ca4e8b00bbfdcfd7314f40f
7. 0xc141eb77e507cd0f68b86bbc25fd3fc9359f8999ba3d68defda0383853c3259b
8. 0xaca154a558b7b4e32d59299641729870a3e4d465642d7ca044c00a0b880fd1ed
9. 0x08839d288a6f9c8b2dd8f1c9bea8ce89c4161c946095f150c8b086476b678301
10. 0x68a08499da820504c61a5aee5c270fb65d9afdbf5d3e989dbdc4d307c97d268c
11. 0x276633829181e1a8bcfd2d46bd89ce99de7b32dee1b0c9331aa956c979f4ee2e
12. 0xd092f455ca812b294f1e865ecd4a9a892d67df84f5f2d06959a36fa063138958
13. 0xb8dab76bc20f2684f18b564fa86d761c945682b27d437e71aa84495e8acc34a5
14. 0x84193793d818f53b9c5052b74eabfcc53522dfa943c3bf7c8bd476913e085e52
15. 0xb553c856ad5fb96dd995dd0c40f65a2d8efc7b7f254a1ac0f2c104350e544985
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0