Evidence row 751983

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": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T19:58:31.566Z"
    },
    "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":"ad314b52b0142e95f48d1341219ae711950235df844612e1252a87929ed28086","id":751983,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178798553363,"prev":555645,"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 2026-10-28 (231336 rows).

1. 0x2b46e746d0a7940c305ba88d53311d90af6bbef7ba144bb0c78a5b0e0ea7359b
2. 0xdaf009cee9455509cccc20f209455b27e9b6c87da8f3783fef8c71ffe8a59f64
3. 0xd8467cc46aa1fb908928040d2edc04bc1ebe6c78bfaf68c25ca9749fc7662442
4. 0x070b3251b1e171acf39c05a50dfaa5ae47b3230010b01431e8fb9c16d34e183f
5. 0x84e8f7b8f74cd24462a9634abc4569c52adef230a82d0347d5cc8ddce8bad0d6
6. 0xab19fa0a137e7d8eba4f04df8e2824fd5cdfa26a732d506589bda6e317b7c9f7
7. 0xba18fe85319439ef3f88c1e07b7eb271446b50a329639bc6a7ae29b2d171d25e
8. 0x92e9c36d0a5ffedeba8cb2f92e763a770be1806cef3457dc17bcb7233ff8e05d
9. 0xdb783e4deb794dedc7e4e035c430f847b6d7e4ae3aad288130257184fd71d221
10. 0x6b32debd63ee6a1fa6ee7d165ad5fb89e2feac18babac3c542c8851d3882d03b
11. 0xd7f3a7e39561fc6f73405f156f969572d3ec680ec960160964ec81dd8bd36ecc
12. 0x4a94a3ac3dfed6d233db13adbf426768f2e5b39636e8b941578822cffb4c7708
13. 0x34e8921023105d1b4efc95c5f5f5debe65fd903bd04b069da2922111cc422fdf
14. 0x5c170d609340e1f702f31fcdd7742289f0913d4395f688b3409031b758c69eae
15. 0x8d500b42a7bdba5e17ebd9e6a404f2de5260cf3420865b41e7de8c69434ce413
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae