Evidence row 297306

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://keywords.duoleads.com/v1/keyword-ideas"
    ]
  ],
  "name": "SEO Keyword Ideas and Difficulty",
  "owner_address": "0xcd673f7e1dad254347aeab6be0defe8b9c6b3a39",
  "raw": {
    "accepts": [
      {
        "amount": "40000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39",
        "scheme": "exact"
      }
    ],
    "description": "Keyword ideas for a seed keyword, each with Google search volume, CPC, competition, keyword difficulty and search intent; up to 100 ideas in one $0.04 call (Google Ads data). Use when you need related keywords to target. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. No ideas returns empty results (still charged). Bad input is free; upstream errors are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "keyword": "phone",
              "languageCode": "en",
              "limit": 2,
              "locationCode": 2840
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "available": 425645,
              "dataAsOf": "2026-09-13T09:55:39Z",
              "market": {
                "country": "US",
                "fallback": false,
                "languageCode": "en",
                "locationCode": 2840,
                "locationName": "United States"
              },
              "request_id": "01KEXAMPLE0000000000000000",
              "results": [
                {
                  "competition": 0.92,
                  "competitionLevel": "HIGH",
                  "cpc": 0.31,
                  "difficulty": 31,
                  "intent": "informational",
                  "keyword": "nothing phone",
                  "trendYoyPct": 174,
                  "volume": 165000
                },
                {
                  "competition": 0.1,
                  "competitionLevel": "LOW",
                  "cpc": 2.14,
                  "difficulty": 57,
                  "intent": "informational",
                  "keyword": "find phone",
                  "trendYoyPct": 22,
                  "volume": 14800
                }
              ],
              "see_also": {
                "endpoint": "https://keywords.duoleads.com/v1/trend",
                "params": [
                  "keyword",
                  "country",
                  "timeframe"
                ],
                "reason": "Want the seasonality of an idea? Call trend for its Google Trends interest over time."
              },
              "seed": "phone",
              "source": "Google Ads data",
              "total": 2,
              "units": "volume: average monthly Google searches; cpc: US dollars; competition: 0-1 (Google Ads); competitionLevel: LOW|MEDIUM|HIGH; difficulty: 0-100; intent: informational|navigational|commercial|transactional; trendYoyPct: % change vs a year ago"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country": {
                      "description": "Optional ISO 3166-1 alpha-2 code or country name, used when locationCode is absent (uk = gb).",
                      "type": "string"
                    },
                    "includeMonthly": {
                      "description": "Add each idea's monthly search volumes (monthly[]).",
                      "type": "boolean"
                    },
                    "keyword": {
                      "description": "Seed keyword to expand (at most 80 characters). Whitespace and control characters are normalised to single spaces and the seed to lower case; only a seed of 1 to 10 words and at most 80 characters can be expanded, so a seed that is then empty or longer is a free 400.",
                      "maxLength": 80,
                      "minLength": 1,
                      "type": "string"
                    },
                    "languageCode": {
                      "description": "Language code (2-letter). Defaults to en. An unsupported location falls back to 2840 (United States) with en (or the requested language if the United States offers it); a supported location with a language it does not offer uses that location's default language (en if offered). Either way market.fallback is true and market.warnings says what was used.",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Maximum ideas to return. Defaults to 20.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "locationCode": {
                      "description": "Google Ads location code (geo target ID). Defaults to 2840 (United States); an unsupported code falls back to 2840 (United States, market.fallback).",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "keyword"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791923276/bazaar-icons/9096ba1092a8fb40.png",
    "lastUpdated": "2026-10-26T21:52:22.929Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T15:09:07.33Z"
    },
    "resource": "https://keywords.duoleads.com/v1/keyword-ideas",
    "serviceName": "SEO Keyword Ideas and Difficulty",
    "tags": [
      "keyword-ideas",
      "keyword-research",
      "seo",
      "search-volume",
      "keyword-difficulty"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Keyword ideas for a seed keyword, each with Google search volume, CPC, competition, keyword difficulty and search intent; up to 100 ideas in one $0.04 call (Google Ads data). Use when you need related keywords to target. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. No ideas returns empty results (still charged). Bad input is free; upstream errors are not charged."
}

What the leaf hashes

{"body":"6f9f942f4dfef7df6a27621d69773895453d3be8717b1dc64970e7481d207ac2","id":297306,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052192619788,"prev":76944,"subject":"x402_bazaar:https://keywords.duoleads.com/v1/keyword-ideas","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. 0xd1409cb741bb7fe69a5ae9ed2fd60f433def3211ba40697dd217582743f54127
2. 0xc0c795b215c8ea31ac1cf9703a95b695341a6191b0b94d9ae53d528e8527bb96
3. 0x306efe6b2f5cf9a7e989f8f0cc7f63bc873f3b2f846b98ad058d1e124bf90603
4. 0xb5a9693d953e9c1aae1646016c865a292256d4744eab663aa5b2e07592456ace
5. 0x42415f81c94e8dfa1364cf19b988a180d0b97be4d7316245d7e1b581e922287d
6. 0xe818b91b2a12cfc0df57c638b638e883bbf382ea4f36623830f5a16fe72ea17a
7. 0xbe342bbdac15299ffafcdc7a5de69905fc69294ad5a3054f658c8b1236bba9a0
8. 0xf1dff107180dea0b67a055cc38ed0fe0e74f34e6d3957e22a4e0af631e90b4f7
9. 0x666fc9b26121779efeffcfa03cdf6524c841116130d8cbd786aab93904cca6fb
10. 0xdefcd4fc2ebdfaa82bec33833639fbb6712ab7a9bb3beafebc53c8b103648d9a
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae