Evidence row 2201149

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/free-tiers"
    ]
  ],
  "name": "Agent Extraction API",
  "owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
        "scheme": "exact"
      }
    ],
    "description": "Free tiers: Current free-tier limits for developer services (hosting, DB, auth, email, CI, monitoring) and AI/LLM APIs, with official source URLs. Filter: q, category.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "llama"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 3,
              "results": [
                {
                  "alive": "yes",
                  "auth": "apiKey",
                  "category": "AI / LLM API",
                  "checked_at": "2026-10-17T19:51Z",
                  "cors": "",
                  "description": "Llama / Qwen models",
                  "free_tier_details": "Free tier with rate limits",
                  "http_status": 200,
                  "https": "Yes",
                  "kind": "ai_api_free_tier",
                  "name": "Cerebras - Llama / Qwen models",
                  "url": "https://inference-docs.cerebras.ai/support/rate-limits"
                },
                {
                  "alive": "yes",
                  "auth": "apiKey",
                  "category": "AI / LLM API",
                  "checked_at": "2026-10-17T19:51Z",
                  "cors": "",
                  "description": "LLMs (Llama, Mistral, etc.)",
                  "free_tier_details": "10,000 Neurons/day free",
                  "http_status": 200,
                  "https": "Yes",
                  "kind": "ai_api_free_tier",
                  "name": "Cloudflare Workers AI - LLMs (Llama, Mistral, etc.)",
                  "url": "https://developers.cloudflare.com/workers-ai/platform/pricing/"
                }
              ],
              "returned": 3,
              "source": "FreeTier Kits Verified API Directory (CC BY 4.0; public-apis MIT)",
              "sources": [
                {
                  "license": "MIT",
                  "name": "public-apis/public-apis",
                  "url": "https://github.com/public-apis/public-apis"
                },
                {
                  "license": "CC BY 4.0",
                  "name": "FreeTier Kits link check 2026-10-17 + provider pricing pages",
                  "url": "https://freetier-agent-api.pages.dev"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "results": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    },
                    "returned": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sources": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793252197/bazaar-icons/19906174df41ffa4.png",
    "lastUpdated": "2026-11-02T04:22:04.109Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-02T04:22:03.937Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/free-tiers",
    "serviceName": "Agent Extraction API",
    "tags": [
      "directory",
      "free-tier",
      "developer-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Free tiers: Current free-tier limits for developer services (hosting, DB, auth, email, CI, monitoring) and AI/LLM APIs, with official source URLs. Filter: q, category."
}

What the leaf hashes

{"body":"b59818d71172e5120d5f9ea1991f3126a8cfe92af62bc300bdf38b4be6c13faf","id":2201149,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801077555,"prev":1790659,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/free-tiers","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3f7eb081d30f74bd29a624c0d0af0f57210bff8bca96e3b25df32bebe6c20d6d
2. 0xe1a228491225ef0550d6d51dbd79d42b50b99e2f7f1068cbda23e5a6169a4aa7
3. 0x2ff53d78b726a378072ad1edf3a065823d02aa79447bac3fba2c97f6ada573db
4. 0xd720dd09b9df05b630d3a48784577174d39e9ed37d490d62bce3d7602140a03e
5. 0x0b11a0964d754d6e9e97f75a376204220be6f198bbe215b630c8f7662fcd8df8
6. 0x76a6c47f359525e2bb13e0d5b0e44b0abd66acfedd22be9d4a9a44b3db571fb9
7. 0x7e7bde4ba7433df8de5edfc48b9c1a57917dee93da3dc9d090f64bc6110df063
8. 0x629ac1185e066f97dc43fcd032338ab91deb6829450c475d6cbf2fa80c443a89
9. 0xbd57250ac1133136e01d3d0ba1b2e94dec69ae25ba8dc2116007d4d1ef7608a1
10. 0x25482de0df3d384a4b10673c009194a5ca9712b15ac0e39234bd5f88b1c75410
11. 0xa3bbf23c3931d538b85ec3c2df09295897b43395622c5cd6a9ba23475c64b11c
12. 0x8b852f807f31de54a836fdc58fce79cf6c246fd37d9b39a1959fb3736423247a
13. 0x361907c755dedca0a2adf05840c4c503b2c9a3af060e2659c8c63c2a1e438de2
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af