Evidence row 4074

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://url.openverbs.com/v1/normalize"
    ],
    [
      "x402",
      "https://url.openverbs.com/v1/parse"
    ],
    [
      "x402",
      "https://url.openverbs.com/v1/query"
    ],
    [
      "x402",
      "https://url.openverbs.com/v1/resolve"
    ]
  ],
  "name": "url.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "url.openverbs.com",
    "endpoints": [
      {
        "description": "Canonicalize a URL: WHATWG parsing already lowercases the host, resolves dot-segments and drops default ports; on top of that, query parameters are sorted by default and you can optionally drop the fragment or a trailing slash. Returns the normalized URL and whether it changed.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "removeHash",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": true,
            "group": "body",
            "name": "sortQuery",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://Example.com/a/?b=2&a=1",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Normalize URL",
        "tags": [
          "normalize url",
          "canonicalize url",
          "sort query parameters",
          "remove url fragment",
          "clean url api"
        ],
        "url": "https://url.openverbs.com/v1/normalize"
      },
      {
        "description": "Parse an absolute URL into its WHATWG components: protocol/scheme, credentials, host/hostname/port, origin, pathname (plus path segments), search (plus a decoded query object) and hash. A string that is not a valid absolute URL is rejected as a clean 400.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/a?b=1#section",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Parse URL",
        "tags": [
          "url parser",
          "parse url components",
          "url component lookup",
          "whatwg url parse",
          "extract hostname path"
        ],
        "url": "https://url.openverbs.com/v1/parse"
      },
      {
        "description": "Two directions over query strings. action='parse' decodes a query string (with or without a leading '?') into an object, collapsing repeated keys into arrays. action='build' encodes a params object into a query string, expanding array values into repeated keys; set sort=true to order keys alphabetically.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "parse",
            "group": "body",
            "name": "action",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Query string parse / build",
        "tags": [
          "query string parser",
          "build query string",
          "parse url params",
          "encode query parameters",
          "decode query string"
        ],
        "url": "https://url.openverbs.com/v1/query"
      },
      {
        "description": "Resolve a relative or absolute reference against a base URL, following RFC 3986 reference resolution (e.g. base 'https://a.com/x/y' + ref '../z' → 'https://a.com/z'). The base must itself be a valid absolute URL, else a clean 400.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/docs/page.html",
            "group": "body",
            "name": "base",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "../img/logo.png",
            "group": "body",
            "name": "ref",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Resolve reference",
        "tags": [
          "resolve relative url",
          "url reference resolution",
          "base url resolver",
          "relative link to absolute",
          "rfc 3986 resolve"
        ],
        "url": "https://url.openverbs.com/v1/resolve"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "url-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "url.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "url.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "normalize url",
      "canonicalize url",
      "sort query parameters",
      "remove url fragment",
      "clean url api",
      "url parser",
      "parse url components",
      "url component lookup",
      "whatwg url parse",
      "extract hostname path",
      "query string parser",
      "build query string",
      "parse url params",
      "encode query parameters",
      "decode query string",
      "resolve relative url",
      "url reference resolution",
      "base url resolver",
      "relative link to absolute",
      "rfc 3986 resolve"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"6c0788ebc8a01454571981f551140fd5775eaf4b62628dcf05bcee29cfc2a2b7","id":4074,"kind":"listing","method":"baseline/1","observed_us":1793025276771897,"prev":null,"subject":"agentic_market:url-openverbs-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. 0x2936d5f9146721e657ea5082aa541dfb5ba24b38670635f14540b94073e268fe
2. 0x580c87908358c40943f1ab49713157d4eec1980a80ef8cf0a746c1e2dc011407
3. 0x62b3b3dc9aead2b1608d36dd53842e370ead968b596a48e2b0fe84950ba18134
4. 0x325565bec0ed305ca4a58d6c00cfb8c45225f60c9822ddc1badf28bfc5093561
5. 0x1944bcd5da59caac7a861246df7f9e7aad773e50ee07cee287646730be586a0d
6. 0x9211c57594d918a3166e29cc629a3cb45df589bfa6d6a1c50f568bf8d1049b54
7. 0x9bcfb74cf14da7aab094d46a05bcb422fbf33e272f495224aea1579967fdca9b
8. 0x37e50f5a5df775e1b715f361f7e3192b1ce563e9ac3854ea277572a85901e62e
9. 0xd063e448ebafb059e39a979ee95d340c26135ba57eb09da8f9869d87e9dc4153
10. 0x1a9dd2d6c9bfb929760c53b8e10be270bca312fc14f5154114295b3087b11726
11. 0x525ed12bc40d74342377fb46a14f281838d153c85147520116f4d7fa219aff5e
12. 0xeab0020f03650c1a79ed79927ae9d808c59a41295a86d1285582516590c954e6
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae