Evidence row 74377

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://econ.memoryapi.org/x402/econ/demographics"
    ]
  ],
  "name": "econ.memoryapi.org/x402/econ/demographics",
  "owner_address": "0x24facafeb49b4e3facf0b3e69604a2f4640c9bf2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2",
        "scheme": "exact"
      }
    ],
    "description": "U.S. Census demographic data by state or county. Population, income, poverty, unemployment, home values, education.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "U.S. Census ACS demographic data. Population, median income, poverty rate, unemployment, home values, and education by state or county.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "queryParams": {
              "level": "state",
              "state": "CA"
            },
            "schema": {
              "properties": {
                "level": {
                  "description": "state (default) or county",
                  "type": "string"
                },
                "state": {
                  "description": "2-letter state code (CA, TX, NY) or omit for all states",
                  "type": "string"
                }
              },
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": [
                {
                  "median_home_value": 538500,
                  "median_household_income": 84097,
                  "name": "California",
                  "population": 39538223,
                  "poverty_rate_pct": 12.3,
                  "unemployment_rate_pct": 7.8
                }
              ],
              "success": true
            }
          },
          "serviceName": "MemoryAPI Econ",
          "tags": [
            "economics",
            "macro",
            "finance",
            "data"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-07T12:45:49.592Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-07T12:45:49.417Z"
    },
    "resource": "https://econ.memoryapi.org/x402/econ/demographics",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "U.S. Census demographic data by state or county. Population, income, poverty, unemployment, home values, education."
}

What the leaf hashes

{"body":"196eba69cedf35d49f19ff574a3195948ddb8371c2a08bbcfcd95fc19beb5496","id":74377,"kind":"listing","method":"baseline/1","observed_us":1793025488871184,"prev":null,"subject":"x402_bazaar:https://econ.memoryapi.org/x402/econ/demographics","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. 0x541dc81b711dc9460b61ae489b7dfb84daa2138099fb3dbb5607b26c944ae15b
2. 0x073370c12cfad83e01c2b8a58377e7a1a46e279b3756c5433b1c54747131ab52
3. 0x37cabc12a59d95ba00828e867209bfe16c31de3dfd094f69a093222d2ae54d39
4. 0xf110ec346dfc89fabbd93c3dd293a6b86fce12b06e903f0eec9423bec01fd2b7
5. 0x1dfe58a5cb6626741ca24bebc89a9470045b5b780e6ebf9ef61930364f537375
6. 0xbf279785df7ae7a8c9ad46159ebcf0bf39e6575985ba47e2da332c4f2eb4b2dd
7. 0xae3fb10487701c1ef0eeeb7cc92c692750bdfdbe268709c84401ef11868c0567
8. 0x1d9074be8faa9f421f42764f1599da01794c9ad603682c0d15794aa7268e0682
9. 0x8c6378abf0672d5882fffc35ee73eb30088cba01ce809925ccb21309ad8638cc
10. 0x51f5ff307937bdcac2eeb604499c77e1e67ec126246e5fead94e1044a2a751f5
11. 0xa1d1c99aa28ad1dadb7dae5386ee0342e06cf642d29909897d3feca675a6d839
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae