Evidence row 117319

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://natur.halowerk.com/v1/earthquake-brief"
    ]
  ],
  "name": "natur.halowerk.com/v1/earthquake-brief",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Returns a single earthquake in decision-ready form, either by its USGS event identifier or as the most significant event matching a search. Magnitude is reported with the magnitude type, because moment magnitude and local magnitude are not interchangeable at the edges of their ranges.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "hours": 24,
              "min_magnitude": 5,
              "reference_lat": 52.52,
              "reference_lon": 13.405
            },
            "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": {
                    "event_id": {
                      "description": "USGS event id, e.g. us7000abcd. Without it the strongest recent event matching the filters is returned.",
                      "maxLength": 40,
                      "type": "string"
                    },
                    "hours": {
                      "default": 24,
                      "description": "Search window when no event_id is given.",
                      "maximum": 720,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "min_magnitude": {
                      "default": 5,
                      "description": "Used only when no event_id is given.",
                      "maximum": 10,
                      "minimum": 0,
                      "type": "number"
                    },
                    "reference_lat": {
                      "description": "Your location, to get distance and bearing.",
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "reference_lon": {
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:51.95Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T06:13:51.467Z"
    },
    "resource": "https://natur.halowerk.com/v1/earthquake-brief",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns a single earthquake in decision-ready form, either by its USGS event identifier or as the most significant event matching a search. Magnitude is reported with the magnitude type, because moment magnitude and local magnitude are not interchangeable at the edges of their ranges."
}

What the leaf hashes

{"body":"2ad0c63508ce18ead99e7f6b1f90209b33fd98346c21c04619da9cf9989aa940","id":117319,"kind":"listing","method":"baseline/1","observed_us":1793025611004043,"prev":null,"subject":"x402_bazaar:https://natur.halowerk.com/v1/earthquake-brief","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. 0x4e8c4145950c187d838cad553af140b5f4c9ede1b911b83fdda824e887dd5679
2. 0x82508fee5b6a2d02ce0dd1f7c3c3f5e9f61aa7ea74cd7ac9ee73c2c811b150ea
3. 0x64d7fc4a88fb892bb80ebe2a5c1c15a47acc0b6d4b5f501102b97938fba9727d
4. 0xd044d0ec4e3a6f38b8d5c1b3c1bffd1a34a4294d6a3bc6f1106fef6a57935b0a
5. 0xb6cfb768483c2934e00c90b4ed696116241873b8016a062d8e11c3badd93ea28
6. 0x192ccc0f549adb3e2d91a6cacae662ffb0ee753c67322b71e0efa165219665e1
7. 0xd579cce730eb71048d0039edbddc00373bffa9c8c5c0e958c5a895104294adcc
8. 0xaf763b0948da365fc0ef988fbdc9b315e7f23b7c591755e1a0a746af0f43fdf5
9. 0xb5a2ff57df9c49538a0db5306ddc37af974a8caaa04dd03823b77e9b0412f004
10. 0x3c2a519207c7fbe7025a4c98d41e42ecc9446b3fb0b1dbff629a91c8c74e0781
11. 0x20ba86fd56bddd46212d02e792b969e90a1167c4fb9ba4a54cb7da5cf7da1629
12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae