Evidence row 426861

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/eu-ai-act-risk-classifier"
    ]
  ],
  "name": "EU AI Act risk-tier classifier",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Classify AI use case into prohibited/high/limited/GPAI tier with obligations.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "deploy_role": "deployer",
              "use_case": "customer_support_bot"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "deploy_role": "deployer",
                "use_case": "customer_support_bot"
              },
              "regulations": [
                "AI Act Art. 50"
              ],
              "required_elements": [
                "disclose AI interaction to users",
                "label synthetic content"
              ],
              "risk_level": "low"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "deploy_role": {
                      "description": "Your role",
                      "enum": [
                        "deployer",
                        "provider"
                      ],
                      "type": "string"
                    },
                    "use_case": {
                      "description": "Use case",
                      "enum": [
                        "customer_support_bot",
                        "cv_screening_hr",
                        "biometric_id",
                        "general_purpose_api"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "use_case",
                    "deploy_role"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "deploy_role": {
                          "type": "string"
                        },
                        "use_case": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "use_case",
                        "deploy_role"
                      ],
                      "type": "object"
                    },
                    "regulations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "required_elements": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "risk_level": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "risk_level",
                    "regulations",
                    "required_elements",
                    "flags",
                    "disclaimer",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:23:22.046Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:23:21.861Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/eu-ai-act-risk-classifier",
    "serviceName": "EU AI Act risk-tier classifier",
    "tags": [
      "compliance",
      "eu",
      "ai-act"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classify AI use case into prohibited/high/limited/GPAI tier with obligations."
}

What the leaf hashes

{"body":"3c8a5ade720874e0473cdac40d489be535d631dbbab30623501c4dedf27d2066","id":426861,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086313658084,"prev":409321,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/eu-ai-act-risk-classifier","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x68e7f4e8a7df2763741c3060ba5a376786b08649dc6c2782a00aeb57b12bb726
2. 0xa4c2375e8ba89b36ab48311b02ff2ff0ce59dbe04d338d449437dfcc4c5f17a2
3. 0x6728786ce9e79f2c7c958430edf9314c9095f7d1247adb484591aea6e6993dc4
4. 0x71384744d01b3d871fd956b9d180a05d6262d3983a4ae4854434615093bce1be
5. 0x5fa2db7ddd6aaa970604b839d9aeaae6fc0ebdab1844600bd1adae1ea726fb9b
6. 0x48df6d234dcd4d775feaea7794f5bab9af8434792c9d0dfdf1c96a64a62780f5
7. 0xab1fde21f7cbcb1539ff7225409ebc71944e33c391dea29a1db47a57db51048b
8. 0x5e5b473d7e0309f04fcfdb8cd17890119254a7e4488cfbc19a093299a583f3e3
9. 0x1257c2b5360d4e26cb0a7a08946a17ff07c54b9689b962baa7dac91973914916
10. 0x6fbf023b0d1c91c7e88bbb364a1796bfe49f7b291c5a43fba487edb0dd37e8df
11. 0x98e80c44f12e5fb01e0f3d2f34b9faf2a92e2bfe37bb91dc6b8acc6dd7effa3c
12. 0xff1b653b4de97259c183e79b75886676f24cb64cb6bbe1a90b1639f9b46e2c0b
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4