Evidence row 624

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": 66,
      "l30DaysUniquePayers": 24,
      "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":"52e76993b9f22ce13d4b59253cd4ebdffc935213d908abccd9d35987ad9c0991","id":624,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025227192446,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x1f0eb891fef69d384b288fb2aaa39ca10ce25aed5476af66707d4c412f207c8f
2. 0x61d0211d49e9dbb14a0760fa9a3c8219dc6e3750be4d13665745153c6a260c5c
3. 0xfac42f7051a4748a5ad8d9ca62db511f631ac8f5a032e071b9066dc80f5d5a1c
4. 0x082c540e2c90f0307bee137163dacf7c4e0e8bc5af063c795931676811928e08
5. 0xd86c88a536cf3a3a51960a4f4c8c74bee306b954c8385c3cbe045026cf738846
6. 0xc37fc3b40d6a75c8908ed85cc5efb0b52334070b45079a47d839f002229a57b0
7. 0xb7e68dcd5bef6599b19eb967c869ce618153f4e1f3cb138ba25b50a11f9936ad
8. 0x05934863f4f8cad6dd8bb702dcfa3dfc3da4fe85f0b5e169d89d3c7e8efe5ba6
9. 0x0b10e7dc5ab384895c77da3c730bd0cb9f4778e76a553abb650bf6d65dc1b5d4
10. 0xef610ca79dfed4e1e00208e978a3a887d70d47190be682de5aa9a473137a32fe
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae