Evidence row 524346

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.cultos.dev/services/hacker-feed"
    ]
  ],
  "name": "Cult OS Signal Feeds",
  "owner_address": "0xd494a454888a390b2b05df74ae2b5fd9c9902b71",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xD494A454888a390B2b05df74AE2B5fD9c9902B71",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BESFJe2NoWVHefr94deAA7C41wCmg2RW9zob11akRFSg",
        "scheme": "exact"
      }
    ],
    "description": "Hacker Signal Feed",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 10,
              "sinceHours": 48
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "feed": "crypto",
              "generatedAt": "2026-09-13T00:00:00.000Z",
              "items": [],
              "sourceErrors": [],
              "sourcesAvailable": 9,
              "sourcesChecked": 9,
              "staleSources": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "category": {
                      "enum": [
                        "news",
                        "social",
                        "engineering",
                        "releases"
                      ],
                      "type": "string"
                    },
                    "limit": {
                      "default": 10,
                      "maximum": 20,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "maxLength": 120,
                      "type": "string"
                    },
                    "sinceHours": {
                      "default": 48,
                      "maximum": 168,
                      "minimum": 1,
                      "type": "integer"
                    }
                  }
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "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"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_rtkgzsuf",
          "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": {}
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788137077/bazaar-icons/ec5e9a6209720b2b.jpg",
    "lastUpdated": "2026-10-26T00:31:46.841Z",
    "quality": {
      "l30DaysTotalCalls": 34,
      "l30DaysUniquePayers": 22,
      "lastCalledAt": "2026-10-26T00:31:54.366Z"
    },
    "resource": "https://www.cultos.dev/services/hacker-feed",
    "serviceName": "Cult OS Signal Feeds",
    "tags": [
      "signals",
      "developer-tools",
      "cultos",
      "hacker-feed"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Hacker Signal Feed"
}

What the leaf hashes

{"body":"476748bef76b3a9d04ad5a08800b9b4e743113625d7f104c79bc15c4cf517f24","id":524346,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124734452337,"prev":424280,"subject":"x402_bazaar:https://www.cultos.dev/services/hacker-feed","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. 0x6addf1cb085f2d8f2ceaaed9a594d20180d267cdc9da436faee67a273c5d2ee2
2. 0x537b9b0944b7dde4597d68bcff5f4d81327944d4773add55523021acfa620152
3. 0x522aa55e9ec227e6c78f8f5a8a6ec735d76cc2e66e7b295ceb2775c1eef1dc7f
4. 0xbcd4c508936c52e9155757c4bb9e6545ef95870efe403eef30ed90238a75ee15
5. 0x2d673b1ad471b24b1d8a4feec02957fc441165bfdeeebcee8cf499b78c75ab99
6. 0x949baf524f39fa411e60f1ab3f8a702e790b7a7204ae07bdc3a9177d206efc4b
7. 0x7d3e1e4daf0121da78f74cbbda2f11bd4f10d8b8aa53aaab32d8f817b3ae08f2
8. 0x05fc4cb3a06ade8709cf07ab9f75c8adb10d8f9f889def9394f69c220bf1f432
9. 0x4b20a270b3d9878d5fc9f748b920ea8994d66415bed59e6426e61e278d0cf905
10. 0x58e388926a516d3667909f6fd7a79dae6480082711d20d5cd10d161d0ab243d4
11. 0xdc9ca5cffc0291f8ddf9255389acf7653056f9ad5b5eee5581f407185fc803d1
12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4