Evidence row 555645

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/age"
    ]
  ],
  "name": "how.is/v1/domain/age",
  "owner_address": "0xa76a0e93c5af3fd43521300b0a58ef5f70fc44f6",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
        "scheme": "exact"
      }
    ],
    "description": "How old a domain is: registration date, age in days and years, and whether it was registered in the last 30 days (a common phishing signal).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data: created, age_days, age_years, newly_registered, expires, registrar, source."
              },
              "receipt": {
                "charge_usd": 0.005,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "age"
              },
              "result": "Domain age for the requested subject"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "domain": {
                      "description": "A bare domain name, e.g. example.com",
                      "maxLength": 253,
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T19:58:31.786Z",
    "quality": {
      "lastCalledAt": "2026-10-27T19:58:31.786Z"
    },
    "resource": "https://how.is/v1/domain/age",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "How old a domain is: registration date, age in days and years, and whether it was registered in the last 30 days (a common phishing signal)."
}

What the leaf hashes

{"body":"ce33a03d2238f3d4932a9c815d71619f7c5706f1e22366c8c9b9b55d7a5b533f","id":555645,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133801012159,"prev":null,"subject":"x402_bazaar:https://how.is/v1/domain/age","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. 0x324d08ab1f02c03661ad4d2fdb490c15c0883e177bb8fb278be75e46ad7a47f0
2. 0x1731b52ed8a2bb80ded6b6ba22944913b4b1afa113a981ffd3e99ba513f2a3eb
3. 0xe3a03db9a80303ce449e7adb5ceb11c82f647f0257224aaf7657d9c8d1b3cf6a
4. 0x9c9764bc740985486b07119957442afcf9ad2ce9da1e991fdc56ff18829f2d72
5. 0x088843ad71dc6f5a96decbb9d81ffaebede2f306d1e1bd07e1d482137ede5816
6. 0x4976d9078b9037b86684310bbebd4a618ecfda6682d4a46412dd78e649efc4e5
7. 0x92ba7ad7a986e2e74d7d0f99e2ea0dc3419dacb2da390ffeb1e8b99f203a4a6b
8. 0x40e0492787fad0ac17236f0d84842b18852adcab21c87e29fb17a9fd4663298a
9. 0x364843fc7e66dd28e81de27992ce0fd8dc175908e7a1265a331dd8d376ea1830
10. 0x4296e608a717b8569363e1be07fb4902d67e63a1f6d8ea880d9d3bb12d73443a
11. 0xd6abb3506644ba991806affe480eff2c10a097a3451e0656bd8c5eb07a497205
12. 0x7c26e7a3f70416cc7cabc8e770eba81b50b410fc94aaae40ac450b47b34edecc
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4