Evidence row 76802

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://iot.halowerk.com/v1/robotic-path-clearance"
    ]
  ],
  "name": "iotwerk_robotic_path_clearance",
  "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": "Computes the minimum Euclidean distance from each circular obstacle center to every path segment, then subtracts obstacle radius and robot radius. It detects planar static clearance only; it does not model robot shape beyond a circle, dynamics, uncertainty or moving obstacles.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "bodyType": "json",
            "exampleUrl": "https://iot.halowerk.com/v1/robotic-path-clearance/schema#/requestExample",
            "method": "POST",
            "schemaUrl": "https://iot.halowerk.com/v1/robotic-path-clearance/schema#/inputSchema",
            "type": "http"
          },
          "output": {
            "example": {
              "coordinate_unit": "caller_supplied_consistent_unit",
              "method": "minimum point-to-segment distance against circular obstacles",
              "minimum_clearance": -0.292893219,
              "obstacle_checks": [
                {
                  "centerline_distance": 1.060660172,
                  "clearance": -0.039339828,
                  "closest_segment_index": 1,
                  "obstacle_id": "rack-7",
                  "required_margin_met": false
                },
                {
                  "centerline_distance": 0.707106781,
                  "clearance": -0.292893219,
                  "closest_segment_index": 1,
                  "obstacle_id": "post-2",
                  "required_margin_met": false
                }
              ],
              "path_clear": false,
              "required_margin": 0.2
            },
            "exampleUrl": "https://iot.halowerk.com/v1/robotic-path-clearance/schema#/outputExample",
            "schemaUrl": "https://iot.halowerk.com/v1/robotic-path-clearance/schema#/outputSchema",
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "bodyType": {
                  "const": "json"
                },
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "method": {
                  "const": "POST"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T16:43:17.726Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T16:43:17.308Z"
    },
    "resource": "https://iot.halowerk.com/v1/robotic-path-clearance",
    "serviceName": "iotwerk_robotic_path_clearance",
    "tags": [
      "iot",
      "robotics",
      "geometry"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Computes the minimum Euclidean distance from each circular obstacle center to every path segment, then subtracts obstacle radius and robot radius. It detects planar static clearance only; it does not model robot shape beyond a circle, dynamics, uncertainty or moving obstacles."
}

What the leaf hashes

{"body":"698c176dadde1ee7f68038444cc9f90e553b99c79daff288ceefe8c6a9959a10","id":76802,"kind":"listing","method":"baseline/1","observed_us":1793025492959734,"prev":null,"subject":"x402_bazaar:https://iot.halowerk.com/v1/robotic-path-clearance","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. 0xda2cc97f62843f7d225de86aad19a2375e479193a430f8100d0def29d0cfbda7
2. 0xbf03ab2848676253d6ea38f51b6eb206a5f05e0a7ff050a688578443447e4215
3. 0xea334bd1d35ff4da3648441be62449f97e2e83d6fc39ac0cd783b958712cff63
4. 0xfb59d561d14906286a6da7d9fd17d8b5f8caa27cdea811c8bcef3ae196a6b6bf
5. 0x371fe0b59eca0a79f752a81c483a0edaea8749137c9a36eacce19f84322e8193
6. 0x49d0e30d9ed1b9eb3291106778928056b866950e4c0660189815e3f9cf30d3c4
7. 0x2de7323c3e1cddb19b6a9f2aecb1efba49dec46fb3ec6eb312dd3a7ecf7a2856
8. 0x0a9064024530b51b943c68bd8bfc2f538bdb3139bab9220520052229f5120bb9
9. 0x439cf446b6655a1c9af5ca75dadbc6e0a732ed6f01bd40ee0b683ca22ba33285
10. 0xddb1d558f250f3c7af2a9114478d2e8fd2c1ccf13c41a7367d80c929b4a5e0c6
11. 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae