Evidence row 1038849

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": "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": "2026-10-29T07:52:39.397Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T07:52:39.264Z"
    },
    "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": "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":"e61da39636b0e101a7dfe651f1f69a067ab8cd8a0e911ffa3ab63e9ca376fa8d","id":1038849,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276295427,"prev":null,"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 2026-10-29 (242798 rows).

1. 0xe34ea8d29e95733dc7d68e8ff1db4b8ba9d6211c49f0286192b739b74bd20d17
2. 0x7c5ecc2f997e36c108ce79aa6c09c72c7098b361165065c0b4cd581aac25063d
3. 0x7cffcc53b1be32557cc1063ff6b26c623941715b3829d8bc304bf9b0384bfa3a
4. 0x46971e126ed22039457f612d45fe2caffc78401eec246f7fa2b0b53969decdfe
5. 0xd297ddb4c026d10e91df5b587e99c134ae6feffff2813057958d3ba3922b7542
6. 0xcc9adb02a7ce828a570f5cada2732866c7f97fd8497ac686a57f74f084b9a536
7. 0xd60a1245e7e3fbae445016d83594ede5e82cc64106dcaf6a7c857796c7c7e676
8. 0xaac560df08c57ca5d22da4ea1fda6dc2dd7f8c8823268c8c49d1f7110580b8c1
9. 0xa46a67778a8910aa86f58d784eb8528836b1ccf9f01e6d61b444aa391a64181b
10. 0x9b7367668bcc013f124943420cb73c99d2bde16512b5be2bb70eb48ac48d453b
11. 0xadcba9591434d8a7b4f6035482b9a04cab663b4dad0d00b795c2b7eb42a80936
12. 0x247ea3a1ecf496588332a6512fba8396cfeb0d4a3b91d4a69d8c4e72801689fd
13. 0x31d9bd174da02f7a79f3f5f6068e0a16f8b2319ca4f6d9a4cd93464988b1ffce
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1