Evidence row 408592

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.crowdspark.me/v1/x402/audit"
    ]
  ],
  "name": "Agent Tools",
  "owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
        "scheme": "exact"
      }
    ],
    "description": "Will my paid API get listed? Audits any x402 endpoint URL: runs the readiness check, flags the 500 character description limit, then checks the Coinbase Bazaar listing, OpenAPI x-payment-info, 402 Index entry, favicon, llms.txt and /.well-known/x402. Returns a 0-100 score, verdict and an ordered fix list. Never sends a payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://agents.crowdspark.me/v1/fx/rates"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "fix_count": 1,
              "fixes": [
                {
                  "code": "not_in_bazaar",
                  "fix": "Make one paid call through the Coinbase facilitator...",
                  "severity": "warn"
                }
              ],
              "listing": {
                "coinbase_bazaar": {
                  "listed": false
                },
                "openapi": {
                  "found": true,
                  "path_documented": true
                },
                "score": 35
              },
              "readiness": {
                "description_length": 180,
                "price_usd": 0.001,
                "score": 100,
                "verdict": "ready"
              },
              "score": 82,
              "url": "https://api.example.com/v1/data",
              "verdict": "ready_but_hard_to_find"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "method": {
                      "description": "Optional",
                      "enum": [
                        "GET",
                        "POST"
                      ],
                      "type": "string"
                    },
                    "url": {
                      "description": "Public http(s) URL of your paid x402 endpoint",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T04:28:31.654Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T15:42:27.423Z"
    },
    "resource": "https://agents.crowdspark.me/v1/x402/audit",
    "serviceName": "Agent Tools",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Will my paid API get listed? Audits any x402 endpoint URL: runs the readiness check, flags the 500 character description limit, then checks the Coinbase Bazaar listing, OpenAPI x-payment-info, 402 Index entry, favicon, llms.txt and /.well-known/x402. Returns a 0-100 score, verdict and an ordered fix list. Never sends a payment."
}

What the leaf hashes

{"body":"0794f0b1acd45e1d338c168638bf7f5bc5a7ac6982db96d6e7f971be30405ccb","id":408592,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080314244257,"prev":279123,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/x402/audit","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x3d1f3771d308f787c64e0bdc535fb95004260559ac7cad9c686e4a66d6e181a6
2. 0x1643cddff227f39b5d533c162bac02364f183750cdd118e0de79ffdb32d61501
3. 0x5b656dedc58fede5375eb550a1530983fca028deb84415ab52873e9f338744ed
4. 0x2c00d19c19eaaec904c8d0b59e2ba07db15c8f024a5eb994f5190a5196e2d3a5
5. 0x1cd13a1befc9716d8c3ea849eecc5abe3c4dddedb410859c2271b722be205655
6. 0x3ec16f04c7428d17465359420eb2a3c19df611e1f825aa055df54bb63c51b79d
7. 0xc68dca8adb3fbd467d1eab89036a77c78a534a9f697fe5977a2fd14ff342a284
8. 0x28990b7796f2091e06f072bba4a25ad75438d6d313126784ef5ca9a70a01c582
9. 0xf4bdf1a009cce91658f3433ad63adf6f44fd080ca29c0c990f7f56dafd805bf8
10. 0x5cea5435dcff39a78d6fd9cedeb7d73b2a431c80fcd13acf983b215de914e936
11. 0x2a46b413c4a79ee979d8a40f091ba215dc98b3af9709a0311b2ff60a4cb34d60
12. 0x5bcdf911ebda5c6d942d996f5453cef161d2571921ceb388d7c8ffbdc925f4d0
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4