Evidence row 27372

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.gadgethumans.com/distance"
    ],
    [
      "x402",
      "https://api.gadgethumans.com/eu-vat"
    ],
    [
      "x402",
      "https://api.gadgethumans.com/rss"
    ],
    [
      "x402",
      "https://api.gadgethumans.com/token-verdict"
    ],
    [
      "x402",
      "https://api.gadgethumans.com/uuid"
    ]
  ],
  "name": "api.gadgethumans.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "api.gadgethumans.com",
    "endpoints": [
      {
        "description": "Distance and travel time between two places, with route information.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "EUR",
            "group": "query",
            "name": "from",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USD",
            "group": "query",
            "name": "to",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Distance between two places",
        "tags": [
          "distance",
          "route",
          "travel",
          "directions",
          "miles"
        ],
        "url": "https://api.gadgethumans.com/distance"
      },
      {
        "description": "Validate an EU VAT number against VIES (the European Commission database) and return the registered company name, address, country and standard VAT rate. Use to verify a VAT ID, check a supplier or customer before invoicing, apply reverse charge, or look up an EU company from its VAT number.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "IE6388047V",
            "group": "query",
            "name": "vat",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Validate an EU VAT number",
        "tags": [
          "vat",
          "vies",
          "eu",
          "tax",
          "vat-number-validation"
        ],
        "url": "https://api.gadgethumans.com/eu-vat"
      },
      {
        "description": "Parse an RSS or Atom feed into structured items (title, link, date, summary). Use to list the latest posts from a blog or news feed.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "RSS/Atom reader",
        "tags": [
          "rss",
          "atom",
          "feed",
          "news",
          "parse"
        ],
        "url": "https://api.gadgethumans.com/rss"
      },
      {
        "description": "Use when an agent needs a risk verdict on a Base token contract before buying, routing, swapping or holding it. Send a Base token address, get a scored verdict: honeypot check, buy and sell tax, mint and owner privileges, verified-source status, holder count, live liquidity and 24h volume, a 0-100 safety score with explicit red flags, and a one-line summary. Cheaper than one wrong trade. Poll it: echo the returned watch.change_token back as since=<token> to get ONLY the fields that moved (safety score, honeypot, taxes, mint/owner privileges, liquidity, holders, price) - a pre-trade gate to call before every trade.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "GadgetHumans API",
        "tags": [
          "api",
          "x402",
          "paid-api",
          "gadgethumans",
          "token-verdict"
        ],
        "url": "https://api.gadgethumans.com/token-verdict"
      },
      {
        "description": "Generate fresh random UUID v4 identifiers, one or many in a single call. Cryptographically random, instant. Use for unique ids, request keys or fixtures.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "query",
            "name": "count",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Generate a UUID",
        "tags": [
          "uuid",
          "uuid v4",
          "generate uuid",
          "guid",
          "unique id"
        ],
        "url": "https://api.gadgethumans.com/uuid"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791748104/bazaar-icons/2ca902f123ad5127.png",
    "id": "api-gadgethumans-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.gadgethumans.com",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0034",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.001"
    },
    "provider": "api.gadgethumans.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "distance",
      "route",
      "travel",
      "directions",
      "miles",
      "vat",
      "vies",
      "eu",
      "tax",
      "vat-number-validation",
      "rss",
      "atom",
      "feed",
      "news",
      "parse",
      "api",
      "x402",
      "paid-api",
      "gadgethumans",
      "token-verdict",
      "uuid",
      "uuid v4",
      "generate uuid",
      "guid",
      "unique id"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"202ea00493ba68f7b6d41c4908c12955072be5ee7762d66b817c87015ac6ab9a","id":27372,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025357387820,"prev":null,"subject":"agentic_market:api-gadgethumans-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x62bf5341b4d05ac1a7c3171aed7fcd64e2e614102d5ebb57df91893e30bf2067
2. 0xbab5aaf9bf155451ef0d1e2ab8ebe9729c71af89f1029e1e15ddab6ed93ddde1
3. 0xde9efdf7f936e69d96ed4cbebe3184678fcaf2e3f3f5313b4005bae674f864a3
4. 0xacf2449ce6121231237d8f0bf47973cf56d21864bdfdc7c3a17abea26db42175
5. 0x753ab29ab2e78ad5ce158f725d8c4be205906e493cec85fd35048101f7563387
6. 0x48354e402fe488db5f71ce4e28978c0daefabf14516a84ae8fa09dfd8ebb8870
7. 0xb8445ba8c48e1f1ec84a6026405f66c76f2380754a4d4bd784d867b86675ce56
8. 0x28ce9ba5c92c81197b33672f23e36fb23c849c9f0df3ae0a0d49e4a883563163
9. 0x02dcf67e393f5295b2e183726d530c8289248ede5931fe31ff3de73461a13e3f
10. 0xb184ee2974258f113625a96655b34d89a19737485675dd6584b8ff67217463c8
11. 0x131755a2ea202f5e6a5e7b2b4223cbbcd0bee9398f637648162d1129112491ce
12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae