Evidence row 63875

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.x402stock.xyz/api/v1/spot/orderbook/:token"
    ]
  ],
  "name": "x402stock",
  "owner_address": "0xfdb4b511f6ae1f270776e500b3360217d5e7ed03",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "billing": {
            "description": "amount is the price and is charged in full when you pay, and is not returned if delivery fails: this rail settles once and cannot give change. (Exact entries appear only on fixed-price requests - ceiling-priced requests are offered the reserve-and-pay-actual entry instead.)",
            "model": "prepaid"
          },
          "name": "USD Coin",
          "version": "2",
          "zeroclick": {
            "agentPaymentId": "apay_8iFv5oXLy4UAWOruNHZH4",
            "kind": "transaction",
            "zcRequestId": "zcreq_YA1duF2lMtAxj3ptMF3cG"
          }
        },
        "maxTimeoutSeconds": 1800,
        "network": "eip155:8453",
        "payTo": "0xfdb4b511f6ae1f270776e500b3360217d5e7ed03",
        "scheme": "exact"
      }
    ],
    "description": "Level-2 order book for one Hyperliquid spot market: aggregated bid and ask price levels, each with size and resting order count, as of the book timestamp. Pass a token symbol (e.g. HYPE, PURR) or @index. Use to gauge spot liquidity, spread, and depth. Spot book — for the perp book use /api/v1/perps/orderbook/{coin}. From x402stock, a market & economic data API (x402, USDC).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "token": "PURR"
            },
            "queryParams": {},
            "type": "http"
          }
        },
        "routeTemplate": "/api/v1/spot/orderbook/:token",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "token": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "terms": {
        "info": {
          "links": [
            {
              "kind": "platform_terms_of_service",
              "url": "https://www.zeroclick.ai/legal/buyer-terms-of-service"
            }
          ],
          "note": "By paying this challenge, whether directly or through an agent acting on your behalf, you accept the platform's buyer terms of service; an agent's payment and acceptance are attributed to you and bind you as if you had taken them yourself."
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "links": {
              "items": {
                "properties": {
                  "kind": {
                    "enum": [
                      "terms_of_service",
                      "privacy_policy",
                      "additional_terms",
                      "platform_terms_of_service"
                    ],
                    "type": "string"
                  },
                  "url": {
                    "type": "string"
                  }
                },
                "required": [
                  "kind",
                  "url"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "note": {
              "type": "string"
            }
          },
          "required": [
            "links"
          ],
          "type": "object"
        }
      },
      "zeroclick": {
        "info": {
          "payment": {
            "amountUsd": "0.010000",
            "id": "apay_8iFv5oXLy4UAWOruNHZH4"
          },
          "requestId": "zcreq_YA1duF2lMtAxj3ptMF3cG",
          "service": "crypto-perps"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "agentId": {
              "type": "string"
            },
            "payment": {
              "properties": {
                "amountUsd": {
                  "type": "string"
                },
                "id": {
                  "type": "string"
                }
              },
              "required": [
                "id",
                "amountUsd"
              ],
              "type": "object"
            },
            "requestId": {
              "type": "string"
            },
            "service": {
              "type": "string"
            }
          },
          "required": [
            "payment"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784944557/bazaar-icons/7334df7883bfb842.png",
    "lastUpdated": "2026-10-19T10:25:36.411Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T10:25:35.933Z"
    },
    "resource": "https://agents.x402stock.xyz/api/v1/spot/orderbook/:token",
    "serviceName": "x402stock",
    "tags": [
      "market-data",
      "stocks",
      "crypto",
      "macro",
      "options"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Level-2 order book for one Hyperliquid spot market: aggregated bid and ask price levels, each with size and resting order count, as of the book timestamp. Pass a token symbol (e.g. HYPE, PURR) or @index. Use to gauge spot liquidity, spread, and depth. Spot book — for the perp book use /api/v1/perps/orderbook/{coin}. From x402stock, a market & economic data API (x402, USDC)."
}

What the leaf hashes

{"body":"eac6240b628e02ad87c31bbda260dfec4b2e2e6d13cccd84a3f24c52776ce227","id":63875,"kind":"listing","method":"baseline/1","observed_us":1793025455738071,"prev":null,"subject":"x402_bazaar:https://agents.x402stock.xyz/api/v1/spot/orderbook/:token","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc59ea2842d7ccd4461e81aa857dfd84d0545a0fcc89d846cdc79706c173d8b22
2. 0x35fa508656e6808ae10c6a7f12b658f056795901b1c49513cc3fafd8a2ef5366
3. 0x3a275f50a20cfaea0069489c3735d54591507286854c51c75b4690dc6cf0a834
4. 0x20d6c84b712099a51c7e07e8fcf7cdeab2b4ae397060500765d585c621e5b570
5. 0x89a0ff2dfcc5a218bd2c34111a53e461a4ddbcfbbad3040e32a88f34e46fd0d9
6. 0x4661deefec3b6c57025cc2e805276850913435f7978886e34b6a52a358e0f75a
7. 0x4b9a034d5a2d5133d4c5c37b3d4e924e62dd9c579decccde0d8c30464cfc604b
8. 0x5f4a93cba6d69267f69713115ed8df047bf2bbebd33b2a0fd6fbb614d920976b
9. 0xb94e1475ad75058bab5545aea4c4c9f6c4a6f7250aaaad0f06b4c4485f1643f9
10. 0x4a766015a1173570ffc438320afd677a41ae92be39f86b768798615ce79c79a4
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae