Evidence row 408789

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://datasourcepulse.com/api/x402/check"
    ]
  ],
  "name": "Actor, API & Scraper Monitor",
  "owner_address": "0x7ccb91a3ad4c45097bda4c3c29d2cc89fa93ab36",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0x7cCb91a3ad4c45097bDA4C3C29d2Cc89fA93Ab36",
        "scheme": "exact"
      }
    ],
    "description": "Catch drift when everything still looks green. Check available Apify Actor run history and sampled output for schema drift and unexpected empty results. Additional checks cover HTTP responses, credential validity and available quota. One paid call returns a timestamped verdict and supporting details. A successful run or valid credential does not guarantee useful data. This endpoint checks once; it does not send alerts.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "type": "credential",
              "url": "https://example.com",
              "vendor": "generic_http"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "actorId": {
                      "description": "actor mode (required): Apify actor id, e.g. apify~web-scraper.",
                      "type": "string"
                    },
                    "apiKey": {
                      "description": "credential mode: the API key to validate. Used for one live vendor call, never stored.",
                      "type": "string"
                    },
                    "apifyToken": {
                      "description": "actor mode (required): Apify API token with actor + run read access. Used for live reads, never stored.",
                      "type": "string"
                    },
                    "authHeader": {
                      "description": "generic_http: full Authorization header value to send.",
                      "type": "string"
                    },
                    "bearerToken": {
                      "description": "credential mode: bearer token, for vendors that use one.",
                      "type": "string"
                    },
                    "clientId": {
                      "description": "credential mode: OAuth client id, for vendors that use one.",
                      "type": "string"
                    },
                    "clientSecret": {
                      "description": "credential mode: OAuth client secret, for vendors that use one.",
                      "type": "string"
                    },
                    "costSpikePct": {
                      "description": "actor mode: cost spike threshold percent (default 50).",
                      "type": "number"
                    },
                    "enableCostBaseline": {
                      "description": "actor mode: alert if per-run cost spikes vs the rolling average (default false).",
                      "type": "boolean"
                    },
                    "enableVolumeBaseline": {
                      "description": "actor mode: alert if latest output volume drops vs the rolling average of recent runs (default true).",
                      "type": "boolean"
                    },
                    "quotaSoftCap": {
                      "description": "credential mode, optional: your own budget line in the vendor's native usage unit. Quota verdicts are evaluated against this cap instead of the vendor's billing wall.",
                      "type": "number"
                    },
                    "refreshToken": {
                      "description": "google_oauth vendor only: OAuth2 refresh token, validated via a token refresh.",
                      "type": "string"
                    },
                    "stalenessThresholdDays": {
                      "description": "actor mode: failing verdict when the actor has not been updated in this many days (default 30).",
                      "type": "number"
                    },
                    "successJsonPath": {
                      "description": "generic_http: dot-separated JSON path to assert on the response body.",
                      "type": "string"
                    },
                    "successJsonValue": {
                      "description": "generic_http: expected string value at successJsonPath.",
                      "type": "string"
                    },
                    "successStatusCode": {
                      "description": "generic_http: expected HTTP status (default 200).",
                      "type": "number"
                    },
                    "type": {
                      "description": "Check mode. credential (default): validate an API key or HTTP endpoint. actor: health-check a public Apify actor by id. If omitted, inferred: actorId present means actor, otherwise credential.",
                      "enum": [
                        "credential",
                        "actor"
                      ],
                      "type": "string"
                    },
                    "url": {
                      "description": "generic_http vendor (required): the public endpoint to check. Private, loopback, and internal addresses are rejected.",
                      "type": "string"
                    },
                    "vendor": {
                      "description": "credential mode (required): vendor template, e.g. openai, anthropic, gemini, stripe, github, serpapi, reddit, youtube, or generic_http for any HTTP endpoint. Unknown vendors return 400 with the full list location.",
                      "type": "string"
                    },
                    "volumeDropPct": {
                      "description": "actor mode: volume drop threshold percent (default 30).",
                      "type": "number"
                    },
                    "zeroYieldRunThreshold": {
                      "description": "actor mode: failing verdict when this many consecutive most-recent SUCCEEDED runs each produced 0 dataset items (silent zero-yield). Non-negative integer; 0 disables; default 3.",
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:51:57.24Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T18:51:56.852Z"
    },
    "resource": "https://datasourcepulse.com/api/x402/check",
    "serviceName": "Actor, API & Scraper Monitor",
    "tags": [
      "x402",
      "monitoring",
      "reliability",
      "agents",
      "data-quality"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Catch drift when everything still looks green. Check available Apify Actor run history and sampled output for schema drift and unexpected empty results. Additional checks cover HTTP responses, credential validity and available quota. One paid call returns a timestamped verdict and supporting details. A successful run or valid credential does not guarantee useful data. This endpoint checks once; it does not send alerts."
}

What the leaf hashes

{"body":"23dc7d15ee2124283aa96130fa01f748cd9c707ab96ca957c2f3dcf686e47a34","id":408789,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080321823737,"prev":279550,"subject":"x402_bazaar:https://datasourcepulse.com/api/x402/check","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. 0xb3ab1a8ac057d00c74f44b6f40fec0cc42b917310acb36a65e0d6a6c2bbc34c9
2. 0x28319a1786a981e3b61eeef202d8b2cebee04d5e87405558e9e25bf39b75a76d
3. 0x03615a663c24d6e058b7fef3790547e0cb8f33e0188a3f6f573b1ec4033b2ca0
4. 0xb70686155b038bff0f0d1510b6d002958c3a1cd77b32eb242a9f57024d070c4a
5. 0xe5b9249f78319c794b487192ca0bddbed521889ac4110d7b7ef2fd82ab361086
6. 0x4354714249f7a0ecad809dc71092ecdaacff810a9a9364bca8bdb2c280610929
7. 0x1ac0d9a36fba9deecc98f6f032ea0732bd027e2d058c1a1fbcdc6290aff28263
8. 0x4ce98aca1cad178b12f389b80d235ae74eaa523287baf27e0ea9cb2275f754ff
9. 0x6a026f20803b432d67f313e9a481fb72741fb105f92279a25a4ec645bf8a9cab
10. 0x82e18f3a15555e0aac35bf5f8ab7b1cb98751a80cc3b22a724344e8ee4785239
11. 0x86028923d07588db14494db8e3f5477d37f29bebfab3475069528bce48c5f3c8
12. 0x305c0e886bebb6df8123db384ccd0d5bfc3ddf1de5fbf4edca0aea32f7e223a0
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4