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Evidence row 55168

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://hn.genexxis.com/user
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
41ee8d33b3f16db2f3a6dfc6d368b6b47af44d39daae212636bcabfbeec1e1fc
Leaf
0x2e3f9a9127567fb22e1104418de4b6ab06a6bc67849fe7fea2cf03745397f1de

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://hn.genexxis.com/user"
    ]
  ],
  "name": "hn.genexxis.com/user",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "Hacker News user profile: karma, account creation date and age, about text (HTML stripped), number of submissions and the 10 most recent submission ids.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "pg"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "user": {
                "about": "Bug fixer.",
                "accountAgeDays": 7321,
                "created": "2006-10-09T18:21:32.000Z",
                "id": "pg",
                "karma": 157316,
                "profileUrl": "https://news.ycombinator.com/user?id=pg",
                "submitted": 15000
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "Hacker News username (case-sensitive)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T10:29:10.381Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T10:29:10.13Z"
    },
    "resource": "https://hn.genexxis.com/user",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Hacker News user profile: karma, account creation date and age, about text (HTML stripped), number of submissions and the 10 most recent submission ids."
}

What the leaf hashes

{"body":"41ee8d33b3f16db2f3a6dfc6d368b6b47af44d39daae212636bcabfbeec1e1fc","id":55168,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025434578168,"prev":null,"subject":"x402_bazaar:https://hn.genexxis.com/user","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x2e400dc82adbed7d6f6a07ee7be49f638fa8cb754b7dfa3c8ae78f6f45d90f05
  2. 0x8dc2435c5f7ed586291ff0486cef84aad3c29abb0542f51f9a1464b7e7a31407
  3. 0xa7584127eff8afda3d7a87a0ef0ccdb58c53ff59595ce62bd1661c84e09b7aa2
  4. 0x8e0f6a7e9a58d496c1e45d5f72c6478964178c042c1111fcde3a797118f2b08c
  5. 0xcfaa1abbc7a5df1fe09f8051d36b20a80c91da93c42b14693f84fefff6a3b713
  6. 0x90452235f47fc8eeaaa2bf8b2b9725ea3e7624ba2df0490d0eb6759438ce547b
  7. 0xfc21bbc329bce7fb7f839500e3838a9a2435edaf539b8c3276a5939fd9e1197a
  8. 0xf921fdaf8d316c4fb2d7b93085650e2d82469247e79c765ec271b0efa9a2125b
  9. 0x349271008d517aaab9a96d68a822587298607376410b8c6fd8263f4f02380e86
  10. 0xa951d5291fbe153c9da97ebe48573a4b06ab6c4cf74b760cdb5dd940d98878db
  11. 0x2087bc34c7c4a9c4216b0697b940d6f0a768262a8da11f1e788c8045c979de9c
  12. 0x12cda00da304cf48d9b3c1874c07a6f0a2e143ba0d25e359b8fd805abb057b32
  13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
  14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON