Evidence row 15726

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402ai.dev/api/ask"
    ]
  ],
  "name": "x402ai",
  "owner_address": "0xece637d74ab1a000abcf69956e22f1131501ae8b",
  "raw": {
    "accepts": [
      {
        "amount": "40000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xecE637d74aB1a000abcf69956e22f1131501ae8b",
        "scheme": "exact"
      }
    ],
    "description": "Answers questions (single-turn question answering) from a small local LLM (qwen3.5 2B). Best for general knowledge, definitions and simple reasoning. POST JSON {\"input\": string}, up to 3000 characters; returns {answer, model, elapsed_ms}. Answers are brief (2-3 sentences). Typically 5-15 s. Known limits: no web access, no memory between calls, and it can hallucinate or be wrong on recent events and obscure facts. Answers are unverified.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "What is the capital of France?"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "answer": "Paris is the capital of France.",
              "elapsed_ms": 6000,
              "model": "qwen3.5-nothink:2b"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "A self-contained question or prompt. 1-3000 characters. The model has no web access or conversation memory.",
                      "maxLength": 3000,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ]
                },
                "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"
        }
      }
    },
    "lastUpdated": "2026-10-26T14:24:33.881Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T22:03:45.827Z"
    },
    "resource": "https://api.x402ai.dev/api/ask",
    "serviceName": "x402ai",
    "tags": [
      "question-answering",
      "qa",
      "llm",
      "general-knowledge",
      "ai"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Answers questions (single-turn question answering) from a small local LLM (qwen3.5 2B). Best for general knowledge, definitions and simple reasoning. POST JSON {\"input\": string}, up to 3000 characters; returns {answer, model, elapsed_ms}. Answers are brief (2-3 sentences). Typically 5-15 s. Known limits: no web access, no memory between calls, and it can hallucinate or be wrong on recent events and obscure facts. Answers are unverified."
}

What the leaf hashes

{"body":"48d51e7308080a7fbc28a096f3024dfcb7e41c04e42d00bb588a1c6dcdba7906","id":15726,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025321305272,"prev":null,"subject":"x402_bazaar:https://api.x402ai.dev/api/ask","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. 0xa25979641842175ec852b761f057103788ef15054b1a894685cefd149b407719
2. 0x99e7b597ea5ff5bb8714eb479f62eba416f69c1774075bcb4e48d062b990677e
3. 0x83c3c55e091b5a864cb7585ac216f6271a31780869deeca37b874bf6ed3692c2
4. 0xda44516b71e29f8e348a84ee7a37e59e852065e46a6e3ae96d4763e05ff5083c
5. 0x87c988ed4143466b6d88a6260bf6cb2d6dd253eb686932d460355548b8cc0c11
6. 0x1256f5ee7172d70e5a5bedf111d16498b93f9555833cb06c289831225cc28a26
7. 0x227cd3131cb33969874f3d9da0b16e7183d51c80edfee0353c4060e6de968a2a
8. 0xe27f5bb04b144e1545764ee5d0a58a86a5a09e5df7b369ebcae58165448f606e
9. 0xcfa69d36cf12df79f348c55350096221127fa2e0344b393ebea44c420a2aac24
10. 0x9f737f37530f83ae6928a14e73e114762b12b3c82ceb7028bdaf78f27b288ea9
11. 0x9ca444fcd24e94bee95de2e8d69f385e59ecdaff6c1b017632bff037809c381b
12. 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae