Evidence row 75797

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geometry.openverbs.com/v1/triangle"
    ]
  ],
  "name": "Triangle (SSS)",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Area (Heron's formula), perimeter and interior angles of a triangle from its three side lengths. Sides that violate the triangle inequality are rejected as a clean 400.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "a": 1,
              "b": 1,
              "c": 1
            },
            "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": {
                    "a": {
                      "description": "Side a.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    },
                    "b": {
                      "description": "Side b.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    },
                    "c": {
                      "description": "Side c.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "a",
                    "b",
                    "c"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-02T02:17:34.361Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:17:34.103Z"
    },
    "resource": "https://geometry.openverbs.com/v1/triangle",
    "serviceName": "Triangle (SSS)",
    "tags": [
      "triangle area calculator",
      "herons formula",
      "triangle side lengths",
      "calculate triangle angles",
      "triangle inequality validation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Area (Heron's formula), perimeter and interior angles of a triangle from its three side lengths. Sides that violate the triangle inequality are rejected as a clean 400."
}

What the leaf hashes

{"body":"fbe5002c2fc3197e4af9d5d9b1a880414895dd2fc3eaa74a8e305bde9b63d736","id":75797,"kind":"listing","method":"baseline/1","observed_us":1793025491102829,"prev":null,"subject":"x402_bazaar:https://geometry.openverbs.com/v1/triangle","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. 0xcdcde057f48f06600bcec4482b5d460f79c979348f04db0fb5db869f23e3d131
2. 0xbc5c31a9e840f4cb427579ccbdf89d138f3575901d65f04a52f98d8bed297d6f
3. 0x8fde3e4d9d70a98d9ae9a9d5536ae2e57040a898d28a1aa55836d58b8b6686d6
4. 0x087cab4c2b5c0c3507bd72fa116294c7a5c4ecd154de6c205c8a2d73475ac50c
5. 0xd7b5fb1605e6e480f0b9099e52482f5b78cd600cfbeaf515e825466392a220d7
6. 0xeca158cd905891f669beb8beee4209914090debde52469b79bd5e3325c68a905
7. 0xfc7ddcd8e97d7908ca88071c82eed26772feaf4f133ba68fc7360a9734bb7107
8. 0xeeeee04f31ba88c8b04fa587bfb437a516e56688801d8024230f92c45d953994
9. 0xd57248e7a9b46d0cbcdcf06aaeaa397c60ee5442e50645c62cf5b1976aedba5d
10. 0x9a73546a7d103d7486a891fe9f96753919be6696ccb5a70a4044405c08bca716
11. 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae