Evidence row 1261567

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": "2026-10-30T15:32:01.247Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-30T15:32:00.987Z"
    },
    "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":"5095ad389a31ad3632c5fdb2924f18afb470bcc1f8720fc2f0370412e6db9a17","id":1261567,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385513289371,"prev":1038849,"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 2026-10-30 (243099 rows).

1. 0xa164496b1ed9fbe624186f20e3aa8d2a1bd666f708c77b20d4c2ace695538831
2. 0xffbd33d6926710f8c0d021f915712c524da69e63314a69b4409581dca8dfb206
3. 0xeb2a9a77d8dd3da302534d8ab81cd4eae78f6920a67189e144dbabe8fa6f4d98
4. 0x6aa4bc99f5cf1b8744c1047e1fb635a08af81fcc5dc32261fc3a9580525210aa
5. 0x9ddf3dab34833781329fe039c78d919136ab187b8de92b5a3fd440210e1e196f
6. 0xba5220a8f730aca0f31b26674e56a0a9fe798c9aca77ef1ccc3975c0e6ea4242
7. 0x03dc5f7a5b4be16628ee71bae0196f4d3f1cfbe4f88a0b15daf46ec01ce5476a
8. 0x0b3938c02a0cd56b6923b5d4b17caf57734853c20a0614c2d3ed3bdd5b5f9029
9. 0x5b40695e5e98461b41bdcc0e660020bbaa11e5a599f48def2c67b686d18f5587
10. 0x45d2482e17ef9dbbaf1ab123c2c29a259677f7aff88853204fed42b014d31fe7
11. 0xf05fb362384d25b993e8e7d8765bedf27158e813b9e983aa05efb5abc2a4c4f5
12. 0xe8456fde7c82095dd536981ac0646d7cddd340162ca0a0ed5c7615790b0ed9b3
13. 0xa4ef8b242e17e00395357e2457bc5040c7d94e42e7d8cb8e331ba687e9002650
14. 0x1eeab2b7eb6c0e44e79a2d3d5d5f63d9c0f269f286347cee11c002d3e7c1c75b
15. 0x11b43ed362a2fd4976e11eceb94ee4b7edbaf6823474ee1c36489f8f0a0496c4
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861