Evidence row 125668

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.agentutility.ai/ability-check"
    ]
  ],
  "name": "AgentUtility.ai",
  "owner_address": "0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "FJqAJ4dXkFbrp3EEo8E9x98iaBGUQwaU8Srz5ePfUXLH",
        "scheme": "exact"
      }
    ],
    "description": "Resolves a d20 ability check, skill check, attack roll, or saving throw for tabletop RPGs. Rolls a d20 with an optional modifier and advantage/disadvantage, compares to a DC, and reports total, success/failure, and natural-20 / natural-1. Seedable. Use it as a d20 check resolver API for any RPG.",
    "extensions": {
      "bazaar": {
        "discoverable": true,
        "info": {
          "input": {
            "body": {
              "advantage": true,
              "dc": 15,
              "modifier": 5,
              "seed": 2
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "critical_failure": false,
              "critical_success": false,
              "d20_rolls": [
                15,
                7
              ],
              "dc": 15,
              "mode": "advantage",
              "modifier": 5,
              "natural_roll": 15,
              "success": true,
              "total": 20
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "advantage": {
                      "description": "Roll twice, take the higher.",
                      "type": "boolean"
                    },
                    "dc": {
                      "description": "Difficulty class to beat. Omit to just get the roll.",
                      "type": "number"
                    },
                    "disadvantage": {
                      "description": "Roll twice, take the lower.",
                      "type": "boolean"
                    },
                    "modifier": {
                      "description": "Total bonus/penalty added to the d20 (-20..40). Default 0.",
                      "type": "number"
                    },
                    "seed": {
                      "description": "Optional integer seed for a reproducible roll.",
                      "type": "number"
                    }
                  },
                  "required": []
                },
                "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"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "critical_failure": {
                      "type": "boolean"
                    },
                    "critical_success": {
                      "type": "boolean"
                    },
                    "d20_rolls": {
                      "items": {
                        "type": "integer"
                      },
                      "type": "array"
                    },
                    "dc": {
                      "type": "integer"
                    },
                    "mode": {
                      "type": "string"
                    },
                    "modifier": {
                      "type": "integer"
                    },
                    "natural_roll": {
                      "type": "integer"
                    },
                    "success": {
                      "type": "boolean"
                    },
                    "total": {
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_awpbwsy3"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1783070352/bazaar-icons/54f004eda341546b.png",
    "lastUpdated": "2026-10-24T22:10:43.102Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-24T22:10:38.853Z"
    },
    "resource": "https://x402.agentutility.ai/ability-check",
    "serviceName": "AgentUtility.ai",
    "tags": [
      "ability"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Resolves a d20 ability check, skill check, attack roll, or saving throw for tabletop RPGs. Rolls a d20 with an optional modifier and advantage/disadvantage, compares to a DC, and reports total, success/failure, and natural-20 / natural-1. Seedable. Use it as a d20 check resolver API for any RPG."
}

What the leaf hashes

{"body":"f81c38dfa288aea3af9030f79c0c25bd7e2232a0b06df6c957d694d157b7cf93","id":125668,"kind":"listing","method":"baseline/1","observed_us":1793025626578903,"prev":null,"subject":"x402_bazaar:https://x402.agentutility.ai/ability-check","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. 0x3a1a882244ef8a517f811552adf1669f46e37abf1be7e8c2ce85e6321cba3090
2. 0x1e77522fdaa9422a183461e6ab32a46c1f396b230019e5d6341dff562fba4d78
3. 0x77af1c14ce35345ac2055bd4cd7c6229054690f5df67c7038c53bf54dc33b6e8
4. 0x205ead5c9708662749e3173853d1caca1b8c8d6e9fb0212a7b99e4b68d8de8b2
5. 0xdc1cab7f84bb68822e9a68ba3eee54b9b0b4a11413dae7f1f7f1713bdd6b5785
6. 0x85006eb212839618d947564bd2b05c09f5e7cfbfdb60febf829f9c9e798a7366
7. 0xa30627af848bba88f4b7c629142f433ecddb52c5f9f92214d0a541cb50a15118
8. 0xed083f68529fab97123f0153df637ca15ed44a13cc0b50305f20c3301cbf80b5
9. 0xaddc01aba9ce973160990a7b51da0af08d68d02defedade63d5da26b2d10643b
10. 0xdcc828e24b7442e8235bf18fc875c4401696d216b65ec037eb65cf2ef34782da
11. 0xd9b921e2251851de5c43bdbb4f58d5e2fa1aee215c84e0f3e0426cf1e4a08e8f
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae