Evidence row 121566

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://space.halowerk.com/v1/sar-image-extract"
    ]
  ],
  "name": "space.halowerk.com/v1/sar-image-extract",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "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",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Treats cells at or above a caller threshold as foreground, labels four-neighbor connected components, and reports area, bounding box, peak, and mean value. It does not ingest imagery, calibrate backscatter, remove speckle, geolocate pixels, classify objects, or infer real-world meaning.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "grid": [
                [
                  0.1,
                  0.2,
                  3.2,
                  3.5
                ],
                [
                  0.2,
                  0.3,
                  3.8,
                  0.4
                ],
                [
                  2.7,
                  2.9,
                  0.2,
                  0.1
                ],
                [
                  2.8,
                  0.2,
                  0.1,
                  4.1
                ]
              ],
              "minimum_component_pixels": 2,
              "pixel_area_m2": 100,
              "threshold": 2.5
            },
            "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": {
                    "grid": {
                      "items": {
                        "items": {
                          "description": "Numeric cell value in a caller-defined unit.",
                          "maximum": 1000000000000,
                          "minimum": -1000000000000,
                          "type": "number"
                        },
                        "maxItems": 128,
                        "minItems": 1,
                        "type": "array"
                      },
                      "maxItems": 128,
                      "minItems": 1,
                      "type": "array"
                    },
                    "minimum_component_pixels": {
                      "maximum": 16384,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "pixel_area_m2": {
                      "maximum": 1000000000000,
                      "minimum": 0.000001,
                      "type": "number"
                    },
                    "threshold": {
                      "maximum": 1000000000000,
                      "minimum": -1000000000000,
                      "type": "number"
                    }
                  },
                  "required": [
                    "grid",
                    "threshold",
                    "minimum_component_pixels",
                    "pixel_area_m2"
                  ],
                  "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": "2026-10-08T06:13:36.036Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:35.617Z"
    },
    "resource": "https://space.halowerk.com/v1/sar-image-extract",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Treats cells at or above a caller threshold as foreground, labels four-neighbor connected components, and reports area, bounding box, peak, and mean value. It does not ingest imagery, calibrate backscatter, remove speckle, geolocate pixels, classify objects, or infer real-world meaning."
}

What the leaf hashes

{"body":"901270d5712ace2ab453a6cbb4b43d30923908c5a1c94cea1763da5afb3ba777","id":121566,"kind":"listing","method":"baseline/1","observed_us":1793025620078466,"prev":null,"subject":"x402_bazaar:https://space.halowerk.com/v1/sar-image-extract","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. 0x37da6228f6b7bc796d50c20f5022d40719b488249c304bc975c539704c45478e
2. 0x3492cc4d05df621f1eb270317fc5c00e1f1b80f051884b9d1b70abbbb8591c3d
3. 0xf38c84fa99c69358179d6bff1435b90f43339933718c77d8400ed54db5128a28
4. 0x935ee9b027cfde861cc76aecee647acbe1ae9b7e4fe71bf38794539fe3ed39cb
5. 0x75e2c55b19640a612fe17c37c6859151b7571e62603355ba020af3ff36eba8d7
6. 0x53bbb957d080174896bb20b76122fe99c2534f3d933147039e3cfed8fd9e364b
7. 0x60c649bb4218e1d5c8e7177ca3ce893a6cf41d917cf021ed8f9ad514acefe4be
8. 0x832b202c5455dedc9cff9fc0f67b28342fa193460ddb6fbd7d4f2ff6accbc5d8
9. 0x764754234ab3e1712364682570aa09efad9eab8f9aca9fcf2c3483e2d73b33fa
10. 0xf370684334adc6b079f585a03710778f6b7ca0015df6f2e316b4d716f88f1996
11. 0x92b5da9306740c6310c9590169e789efc810ad3fa152b365777b6395fec4767f
12. 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae