Evidence row 406492

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": 57,
      "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":"22a75bebe2273d26fd3b42397074e54ee1bad5f5b2f5619e5a502b51e67d3787","id":406492,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080207807322,"prev":624,"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. 0xe26be923e2ca3758285c64122e926b22a3b2e13e81533ce083888002fad76100
2. 0x3ee1f098557aba62aeededf6049f0256d3923f56fbd1c70d130926698e10d00d
3. 0x057429519676cc1c9704df74f3238d097cf27b75684495d24a9cdda40243d696
4. 0x6e7fb81765272c6991aae8c5fef2fba998e5d31ea383118ec49c0c409b880e59
5. 0x4b287125969a1ee3597bfe5ddcfdd372603f9cbb88f136187384ad2d6f017809
6. 0xfe14f1fc0ce081f449fe1b04f3f156e949cf5e94a54cbb79b5c7f2cccc066b74
7. 0x4500c740ed6b1c3f515bf1b9ecaffa39e70301d653063bda24c87cb4753eb83e
8. 0x108d81a73799a73af5d1aa98e8a2a780bff990e786aa475c9d046c8033b83f33
9. 0x392405f5f4eb460d6d03c32ae0f6a5c43ab05bc95057e4f7eeeaa23af49e2679
10. 0x90567d89b500af7cbc624ef49608f0d1f701dc55775e50da7e47e5ba92d899d3
11. 0x34f3c48e71e3a51d90a85a367f52d52a7bd33af28aa5a0369e154bffa6a38243
12. 0x46ff3840378aba3ab5311ff9a58e7269ceff45cbef540c18a2bad9af3d6127bb
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4