Evidence row 2201982

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dev-reference.x402tookit.com/http-status-class"
    ]
  ],
  "name": "Dev Reference",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "All registered HTTP status codes in a class (1xx to 5xx) with names and one-line meanings.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "class": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:26:46.130Z",
              "class": "Redirection",
              "classDigit": 3,
              "codes": [
                {
                  "code": 300,
                  "meaning": "Multiple Choices: several representations exist.",
                  "name": "Multiple Choices"
                },
                {
                  "code": 301,
                  "meaning": "Moved Permanently: the resource has a new permanent URL.",
                  "name": "Moved Permanently"
                }
              ],
              "count": 9,
              "degraded": false,
              "description": "Further action (usually following Location) is needed.",
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "unregistered vendor codes (use /http-status for common ones)",
                "codes registered after the retrieval date"
              ],
              "reasons": [
                "Clients that meet an unknown code in a class treat it like the class's x00 code."
              ],
              "registryRetrieved": "2026-10-11",
              "source": "IANA HTTP Status Code Registry (retrieved 2026-10-11) and RFC 9110",
              "summary": "Redirection (3xx): 9 registered codes. Further action (usually following Location) is needed.",
              "verdict": "LISTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "class": {
                      "description": "First digit of the code: 1, 2, 3, 4 or 5",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "class"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "class": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "classDigit": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "codes": {
                      "items": {
                        "properties": {
                          "code": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "meaning": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "name": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "count": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "description": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "registryRetrieved": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:49:05.99Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:49:05.843Z"
    },
    "resource": "https://dev-reference.x402tookit.com/http-status-class",
    "serviceName": "Dev Reference",
    "tags": [
      "http",
      "status-codes",
      "reference",
      "iana"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "All registered HTTP status codes in a class (1xx to 5xx) with names and one-line meanings."
}

What the leaf hashes

{"body":"ecb8c93f496f3040e1edc62e2e2a7dbc52e0a96239ce87120fb6d2420d781e56","id":2201982,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811118546,"prev":null,"subject":"x402_bazaar:https://dev-reference.x402tookit.com/http-status-class","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x36bcc9b2c90b24b695fe6559366414697db0689021407a429087cd9d5b856cd6
2. 0x5ad16ca0d823287a59cd2ed3e8448ee7bc1316e60cfcccf2b7acfc4ac9c290e6
3. 0xfd21380e24f61608c6a322f1dc1722ac53336fd5cecd38048b7aa594a0b44d89
4. 0x2ef0191d2108dab6c744353d1df8cfb68645afa807337a3d0ce1e0b0e3eeaa37
5. 0x93fc04cc6b77b099cdf3a5c6ef36635ced83213b8eab711b10000d756144edba
6. 0x6792e58cb6dcf86b3776418a2f80530fc004b659df67a23e98ba9ea086f28a3e
7. 0x244202678bd50b4402d39e16da705fa123a6746c15d8df9d58af8b68a2af461e
8. 0x87455775d09f87266d69ad675375a1d1bbb91a80f2da3238bee037a65ceda93e
9. 0x77f1eabc4bce8b999955053df66255d12add5cbf113b0b518063057675669c93
10. 0xeff3417b40c3a2c36bef3fe3aa1b3ae96631af4135f96e58ce7549b825f27a50
11. 0xb13b84c12a02d0a8c81f9df5e2bee0e7fa42376f155b87a965b7c9d41b91da66
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af