Evidence row 279550

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T22:19:24.617Z"
    },
    "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":"682de55210ea0a70d52fcfbc9a2fb421348965745b35f006f21ec80c9d804590","id":279550,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042325459964,"prev":73209,"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 2026-10-26 (296695 rows).

1. 0xd484a4c858cab26853936c7a36103748128f0ee39f2bd292794757d294b3f48f
2. 0xd553754592ae00fcf4fc311c82e572ad4bb0a9e27fd76a2dca9abba226788878
3. 0xb40ef05cfa66ba09ee12812e48d94ca377585da89c3bdcf46d7b918e75cd6795
4. 0x15ed0cb123bc1c1417a90107dbe84871e4222608cf6ce01e94f47549a80b11f8
5. 0x8a0810dcdd581c3b39aa0306e4870141c5a0b5251ab75e3648a96309d2bc8c9f
6. 0x366972c5206cb7b0801bb1d1362b5b19b5d23d9be7aa0b8e2b991f6249b88bac
7. 0xccfd5576b3a064e49d528a3b241d0a5b4ca9e3ffec43bc3113fb68856e9428aa
8. 0xf7d9bda777fd3b4e8ea45e93b22c253829aa40a0d126fe73cab8307f454341ef
9. 0x950e71a3f1d793f64de204e2ffd6528faf6ebe1fd4463a16429f7f0525ca7ec0
10. 0xbf2ea8422e4d4634187236ad26741d988ab947590ee32bccf49379c5b69d0711
11. 0x13af2618b202e3256bff92107d30a646eb897d2992ea1f3e08e75bf4bef84c31
12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae