Evidence row 525589

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.isitdownapi.com/v1/incidents"
    ],
    [
      "x402",
      "https://api.isitdownapi.com/v1/status"
    ],
    [
      "x402",
      "https://api.isitdownapi.com/v1/status/batch"
    ]
  ],
  "name": "api.isitdownapi.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.isitdownapi.com",
    "endpoints": [
      {
        "description": "List recent outages and incidents for one SaaS vendor. $0.01 USDC on Base per call. Returns up to 10 most recent incidents (title, status, severity, start and resolve times) from 60SecMonitor. Unknown vendors return 404, not charged. Don't use this for live up/down status; use /v1/status.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "stripe",
            "group": "query",
            "name": "vendor",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "60SecMonitor Status API",
        "tags": [
          "incident-history",
          "outage",
          "vendor-incidents",
          "saas-status"
        ],
        "url": "https://api.isitdownapi.com/v1/incidents"
      },
      {
        "description": "Is Stripe or another SaaS or cloud vendor down right now? Input: ?vendor=stripe (slug, name or domain). Returns status, confidence, active incidents with a summary, official status page, last-checked time and a staleness flag, read live from 60SecMonitor. $0.01 USDC on Base. Untracked vendors return 404 and aren't charged. Up to 25 vendors at once: /v1/status/batch ($0.05). Past incidents: /v1/incidents.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "stripe.com",
            "group": "query",
            "name": "vendor",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "10",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "60SecMonitor Status API",
        "tags": [
          "is-it-down",
          "outage",
          "status-page",
          "saas-status",
          "vendor-monitoring"
        ],
        "url": "https://api.isitdownapi.com/v1/status"
      },
      {
        "description": "Check whether up to 25 SaaS vendors are down in one call. $0.05 USDC on Base per call. Returns current status per vendor (comma-separated input) at one flat price, plus a list of vendors that are not operational. Not charged if no vendor is tracked or every lookup fails. Don't use this for a single vendor; /v1/status costs less.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "stripe.com,github,slack",
            "group": "query",
            "name": "vendors",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "60SecMonitor Status API",
        "tags": [
          "is-it-down",
          "batch",
          "outage",
          "vendor-status",
          "saas-status"
        ],
        "url": "https://api.isitdownapi.com/v1/status/batch"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-isitdownapi-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.isitdownapi.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.023333",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.01"
    },
    "provider": "api.isitdownapi.com",
    "providerUrl": "",
    "serviceName": "60SecMonitor Status API",
    "tags": [
      "incident-history",
      "outage",
      "vendor-incidents",
      "saas-status",
      "is-it-down",
      "status-page",
      "vendor-monitoring",
      "batch",
      "vendor-status"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f4b085b7b9f98d3f9b20dc82f23b1b14b99e17b80b795cb41a070630e85bbdb0","id":525589,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124762526750,"prev":451440,"subject":"agentic_market:api-isitdownapi-com","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. 0x8e8576007a13b441922136adf6d81cc2e9642d2a4578a3cb708d41e9154b0737
2. 0xad8eb7c6cec54f6e8cd05851322f3c917ce91f5d4f77f0ff0c8e149d62022687
3. 0xf9e4179668aeaf3383375e97f99be4d8ce3b89b9352a359d6cb0e9478fd4ad7d
4. 0x3503846fb95032b3d3977e6fb212808a5393be32598b669ca82080cc73718c0e
5. 0x2c6070c5dd256d5a225b8057581a2a367431ad21129a8720b78a89b60edb2e66
6. 0x926a5252007ccea95cc85e04402549344ed575ff495ef68ec88296ec5d9a8e16
7. 0x71027b6860a3fad87e353da9444fb7de2193d5658c3ddd39f4889ba285863cca
8. 0x4b5162aa94ccd2200df193d3b263b14aa3593964b7ef404cc3bad9298fb917bc
9. 0x5461e3db124e661b83e16c33a9afb7c6507c0a825cc5ca8a575f56912f8a14ef
10. 0x82a1b5b7b16a6a11c53f4b84b2d8911e534634b6f4cb9715dbe70c4f33116a52
11. 0x5d0dfc183bf4faa332fcfb11ba54acfc81c21a52f31b623cbcf436e9be1faf44
12. 0xe0e69ccf3eae9f1603c5f7e4a938a5ebe41708a9b4f6cb15a530b2e2aa69d8a0
13. 0xea3d566bf95ca7a3a7f6de9c4f77180bd8c5ffd160486a27d870e8a2fb6d0b9e
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4