Evidence row 1035858

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://percallapi.com/caller-id"
    ],
    [
      "x402",
      "https://percallapi.com/carrier-lookup"
    ],
    [
      "x402",
      "https://percallapi.com/news"
    ],
    [
      "x402",
      "https://percallapi.com/search"
    ],
    [
      "x402",
      "https://percallapi.com/whois"
    ]
  ],
  "name": "percallapi.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "percallapi.com",
    "endpoints": [
      {
        "description": "Lookup registered caller name (CNAM identity), real-time line status (active vs. inactive), telecom carrier, and line type via Twilio. Provide ?phone=+14157012311.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "+14157012311",
            "group": "query",
            "name": "phone",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.04",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://percallapi.com/caller-id"
      },
      {
        "description": "Inspect telecom carrier, network codes, and line type (mobile vs. landline vs. VoIP burner fraud detection) via Twilio. Provide ?phone=+14157012311.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "+14157012311",
            "group": "query",
            "name": "phone",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://percallapi.com/carrier-lookup"
      },
      {
        "description": "Search real-time breaking news, market events, and press releases via the Brave News index. Returns fresh articles, publishers, and timestamps. Provide ?q=topic.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "base l2 upgrade",
            "group": "query",
            "name": "q",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://percallapi.com/news"
      },
      {
        "description": "Execute live global web searches via the independent Brave Search index. Returns top ranked web pages, snippets, and page URLs. Provide ?q=your+query.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "x402 protocol base",
            "group": "query",
            "name": "q",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://percallapi.com/search"
      },
      {
        "description": "Lookup WHOIS records and domain availability in JSON format. Provide the domain name via ?domain=example.com to query registrar, status, and expiration dates.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "cloudflare.com",
            "group": "query",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "7"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://percallapi.com/whois"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "percallapi-com",
    "integrationType": "",
    "isNew": false,
    "name": "percallapi.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.016",
      "currency": "USDC",
      "maxAmount": "0.04",
      "minAmount": "0.01"
    },
    "provider": "percallapi.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"3a6ef94669560e4b37a4dc7f244e92490525b22bc21ca57d473fe05631f58d34","id":1035858,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793297759118488,"prev":44570,"subject":"agentic_market:percallapi-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x1bdf249381c371850a177a5b12eb6903aa1e9ab88f89063676b8dfdbdcd6e99d
2. 0x2eacafc0e8e81b06bb19ee94c90ab646f454635bad76004a45d2bf795b22e3bf
3. 0x1ea3976c4d2a0d9b2094207d2de60f8c412f4a1cd5072ca35da4d0351912653e
4. 0xbf55274729054835208d7b825ddc3e9c99a858481a2cb5140beae392dc1c210c
5. 0xfb337dd85a86d06afcb0f145d9e056a5a19b3daccf41c209750a8ef8ac78884f
6. 0x4e6e14064dbf3c8b1fa6e22193a8445e4b87ef31064706a817d97b681dba6135
7. 0xa894048b70e9ca35f3e87ee44fa2239fceb6f068aabc71d796857f97540adc50
8. 0xd0d434ab74fd0b4897c199ef1d24c8404451bf7dc17ea87581f46c9577d97c89
9. 0x7bdd26ccf55014a9239561affe5e87a1c4a070f94b4ff0bde731ded8ab6be2b7
10. 0x3c5ca1b0fdc77726c10f03bf890a9e6dad9d6c5744892c6800e4796b51bfb672
11. 0xb81dfe0e4a17914b7f276c1a5399a5a702875019792c22514afaa697880b21a8
12. 0xb36e4cd339b205154f19740aeb29392259e802130806be8b656789c2994d17f4
13. 0xdd20a32d72cb96b75d9d358e2ae7b7376e63e602c25cbf49b765d61b213fd3d5
14. 0xb18cebb16334d2052fd6b64bc0dc0c2adeb9f63dcffef7910b6a52f2c75203ef
15. 0xb4cbfd07748aa7d27896e5517d69e2e77024b97a1cfe1755f9af8471ad993bde
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1