Evidence row 76944

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 (DataForSEO Labs). 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": "DataForSEO Labs (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; DataForSEO expands seeds of 1 to 10 words and at most 80 characters, 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": "DataForSEO location code. 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": "2026-10-24T15:09:07.486Z",
    "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 (DataForSEO Labs). 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":"b32d8a053197ee9f51bfffc4ad2c0d2d1215763c97cdd8a67329ea66035bc774","id":76944,"kind":"listing","method":"baseline/1","observed_us":1793025493162450,"prev":null,"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. 0xe9b20f97164d9a3510aab54bbe93ce7f51b102e02cbb33cc04e21c7d8ed686b0
2. 0xaab14f8951d0b804c97d7b78ed1ed818c0a129f12cab92240efa3d97d4379392
3. 0x62ea90eaa1cad90dfcd0748bc61aeb51b4770ddca08369ae1f05b3ad9b1f543d
4. 0xae024ede616ea1195ab45f2de4df84e5c60ad59fbc8a0dfcf039836206cec138
5. 0xd37383f44caac74c24659f45a7fc10658ab121d38727ba2768c2846ecc4d3140
6. 0x5cb3d2bbd9d61a9ee45da6be55bb76d5f49fbc3544fa566aadbe6b9bf61613ba
7. 0xdfa4613c27e3df0600fa9d83c742a0e484c00f50ec6f6e701e8a153f28baa316
8. 0xb5aaca738a7d0350864913039d8f917549069091a7ff9977c355743ea86dc9e5
9. 0xcce86135b223046b3ade4a96f0a8df2882f2e1f37f7f13e367165e4c06af9b2e
10. 0x20aad7b310e719b68d461db419f1acf1d0f86794a395a52b3f5019b01d46fbbc
11. 0x2ec584f2a0466a34409d72f745f85d43c3f2da79c7fe353433c8b601cf9f2050
12. 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae