Evidence row 555649

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/trust"
    ]
  ],
  "name": "how.is/v1/domain/trust",
  "owner_address": "0xa76a0e93c5af3fd43521300b0a58ef5f70fc44f6",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
        "scheme": "exact"
      }
    ],
    "description": "Should an agent click, sign in to, or pay this domain? A risk score and verdict (likely_safe / caution / high_risk, or inconclusive when a check could not run) with plain-English reasons, from domain age, spam/abuse blocklists and the HTTPS certificate.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data: verdict, risk_score (0-100), reasons[{risk, why}], age_days, blocklist_listings, blocklists_unanswered[], https_valid, not_checked[]."
              },
              "receipt": {
                "charge_usd": 0.02,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "trust"
              },
              "result": "Trust check 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": "2026-10-27T19:58:18.244Z",
    "quality": {
      "lastCalledAt": "2026-10-27T19:58:18.244Z"
    },
    "resource": "https://how.is/v1/domain/trust",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Should an agent click, sign in to, or pay this domain? A risk score and verdict (likely_safe / caution / high_risk, or inconclusive when a check could not run) with plain-English reasons, from domain age, spam/abuse blocklists and the HTTPS certificate."
}

What the leaf hashes

{"body":"897dc98d4484a6bfad2e3971fcfebe13495c728434d8411a76e5b2a30b77e880","id":555649,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133801021604,"prev":null,"subject":"x402_bazaar:https://how.is/v1/domain/trust","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. 0x47119f8a4f33b145eb30d347aa024f1c1a7935e2719cb5f6028c43a8b98da830
2. 0x2c27341f1c24fcdfec8b4b6ba5be3dc57bcab2e4daa80a75592919d60bd0e881
3. 0xee5a63795909e1c79240a6637b018e4a0f878a0778ba411878701201280112ab
4. 0x26b77968b5d7c7ede63b60570cc43b9bebd5fdb6a90f33ad9439ef36cdd4415b
5. 0x4d3382b5ec6b1a84e9b394cfe6f52dcefddee3b46e6691901a13d64e618e8e8f
6. 0xc0fa02d0874a254da044539d0090445a7cc4424cdbad9786cf27731a7acdacea
7. 0xbc3845fad66d190a56728b35d0c09325e642c464dcd10fb9ec1873725dfe72e2
8. 0xf202294191a95e73a55388db120f3352a01f9e28a5188482eef48e52af31a94d
9. 0xbb95480555cc75ab19ac06e6443d19b29613d87c5a3a1415887af60aa89d0eca
10. 0xe7dfb7a86983e740df392c84ac033dd18d0cec373e6d2f712a12e52185b672f4
11. 0x6ed6652c0a61c43ddac9d506feb91d6c0a14dfe1cb98614f64edec2e4d6f5a91
12. 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4