addrbookFor publishers
← The evidence ledger

Evidence row 74376

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://econ.memoryapi.org/x402/econ/business?
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4bd1ec72d59ceddd5ecad4de34ef41bf087b198dc57c038fada36fb424a4642f
Leaf
0xb32e6a43d1c9ab6139f5556d7b4444524c919c106691557eea9b68cc516a0ee8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://econ.memoryapi.org/x402/econ/business?"
    ]
  ],
  "name": "econ.memoryapi.org/x402/econ/business",
  "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. County Business Patterns — number of businesses, employees, and payroll by industry (NAICS) and state.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "U.S. County Business Patterns from Census. Returns business counts, employee totals, and payroll by industry and state.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "queryParams": {
              "naics": "51",
              "state": "CA",
              "year": "2021"
            },
            "schema": {
              "properties": {
                "naics": {
                  "description": "NAICS industry code: 51=Tech, 52=Finance, 53=Real Estate, 54=Professional, 62=Healthcare, 23=Construction",
                  "type": "string"
                },
                "state": {
                  "description": "2-letter state code. Omit for all states.",
                  "type": "string"
                },
                "year": {
                  "description": "Data year (default 2021)",
                  "type": "string"
                }
              },
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "industry": "Information/Technology",
              "naics_code": "51",
              "success": true,
              "top_states": [
                {
                  "avg_salary": 256123,
                  "employees": 1209148,
                  "establishments": 28906,
                  "state": "CA"
                }
              ],
              "totals": {
                "employees": 4521000,
                "establishments": 156234
              }
            }
          },
          "serviceName": "MemoryAPI Econ",
          "tags": [
            "economics",
            "macro",
            "finance",
            "data"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-02T11:19:57.614Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T11:19:57.365Z"
    },
    "resource": "https://econ.memoryapi.org/x402/econ/business?",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "U.S. County Business Patterns — number of businesses, employees, and payroll by industry (NAICS) and state."
}

What the leaf hashes

{"body":"4bd1ec72d59ceddd5ecad4de34ef41bf087b198dc57c038fada36fb424a4642f","id":74376,"kind":"listing","method":"baseline/1","observed_us":1793025488870079,"prev":null,"subject":"x402_bazaar:https://econ.memoryapi.org/x402/econ/business?","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xb32e15ede4be34a3766692bacc671e39993716c8cea2c7431f5d63c23ed43fac
  2. 0xb8d110f0ef46f77147a9bd525e4e67dbdcbeae3f31519b66f10d19cd28e03898
  3. 0x9e4421c499464f1a58dff60b7e9317409459faeb23ad6e76f42feb0ac0e25b7e
  4. 0xfb98f5bfeafff0bf94f3fb36d7a6e3e4d485e40544aa934116d59a473b3bb104
  5. 0xd5f5f50c951ec12936980ba4177be7a5a76c4bc8e456ada61ce4049317a41255
  6. 0xf45c653c6987ed87fee769044f1c1bd648ba25cdfdc5a4c8a8d2b379cdc8afa7
  7. 0x8e9bd56ef483f39f6c21a995aba378d36fd4a4b67df1403ffee8e6f009190116
  8. 0x99a0bbfc041f192453ab5f46520ed01f0e0a02e6626ff8422ac4f28107f3368e
  9. 0xf3459130fadd071ff4467116a3e6ee7756254e46323de97b1e1bd4c8bdffe533
  10. 0x34826d27a00fb6f2649b492e5ca5ff6025211b9bda757487c3351c0e533593f3
  11. 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
  12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
  13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
  14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
  15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON