Evidence row 298505

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://keywords.duoleads.com/v1/keyword-overview"
    ]
  ],
  "name": "SEO Keyword Overview and Volume",
  "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": "Search volume, CPC, competition, keyword difficulty and search intent for up to 100 keywords in one $0.04 call (Google Ads data). Use when you already have a keyword list to prioritise. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. Keywords without data are left out of results and listed in missing (still charged). Bad input is free; upstream errors are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "keywords": [
                "phone",
                "watch"
              ],
              "languageCode": "en",
              "locationCode": 2840
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "dataAsOf": "2026-09-16T03:19:59Z",
              "market": {
                "country": "US",
                "fallback": false,
                "languageCode": "en",
                "locationCode": 2840,
                "locationName": "United States"
              },
              "missing": [],
              "request_id": "01KEXAMPLE0000000000000000",
              "results": [
                {
                  "competition": 0.76,
                  "competitionLevel": "HIGH",
                  "cpc": 4.63,
                  "difficulty": 54,
                  "intent": "informational",
                  "keyword": "phone",
                  "trendYoyPct": 50,
                  "volume": 673000
                },
                {
                  "competition": 0.95,
                  "competitionLevel": "HIGH",
                  "cpc": 1.39,
                  "difficulty": 54,
                  "intent": "transactional",
                  "keyword": "watch",
                  "trendYoyPct": 22,
                  "volume": 550000
                }
              ],
              "see_also": {
                "endpoint": "https://keywords.duoleads.com/v1/search-volume",
                "params": [
                  "keywords",
                  "country",
                  "lang"
                ],
                "reason": "Prefer a GET? search-volume returns the same fields for up to 20 comma-separated keywords."
              },
              "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 keyword's monthly search volumes (monthly[]).",
                      "type": "boolean"
                    },
                    "keywords": {
                      "description": "Keywords to look up (1-100; each at most 80 characters). Whitespace and control characters are normalised to single spaces and keywords to lower case; a keyword that is then empty, over 10 words or over 80 characters is not looked up and is listed in missing, and a request with no keyword left to look up is a free 400 (the one exception to openverbs schema compatibility).",
                      "items": {
                        "maxLength": 80,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 100,
                      "minItems": 1,
                      "type": "array"
                    },
                    "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"
                    },
                    "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": [
                    "keywords"
                  ],
                  "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": "2026-10-26T21:50:17.666Z",
    "quality": {
      "lastCalledAt": "2026-10-13T20:27:56.643Z"
    },
    "resource": "https://keywords.duoleads.com/v1/keyword-overview",
    "serviceName": "SEO Keyword Overview and Volume",
    "tags": [
      "keyword-overview",
      "search-volume",
      "keyword-research",
      "seo",
      "cpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search volume, CPC, competition, keyword difficulty and search intent for up to 100 keywords in one $0.04 call (Google Ads data). Use when you already have a keyword list to prioritise. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. Keywords without data are left out of results and listed in missing (still charged). Bad input is free; upstream errors are not charged."
}

What the leaf hashes

{"body":"174ff9d27b31b722e0f35ff45130666ca5193675cd55504066815bbfb0b25647","id":298505,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052595624583,"prev":76945,"subject":"x402_bazaar:https://keywords.duoleads.com/v1/keyword-overview","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. 0x7f35b0764f3507ab1a6b35a8f8d50fe7171e3947e4b4c53e439de51a426b52fe
2. 0x9f15c5e0c6833f38f2d17cf256748a3b889fcf3cc8c8973980fed35ca446ae04
3. 0xd2aa3b60bdba0e906b031d8fb9e608cfea9eb48dd6d238fcd613fa568b8ea854
4. 0x1a29959e9ead21f8e266d9f043a8d34ee35245374bcee6e2e3e876ad760b6c7f
5. 0xfbb5a39df6c107d0a0c46abad185c7af1dc18428868dac3b8a13e08929ded4ec
6. 0x457c75744e8292445416086385d069fe31a1f9e5b64a71e0117cfac99229420a
7. 0xad769b770bf519c2d48e70c52757031006e3b5aeca11e86b70910c2f6f79d938
8. 0x28281705f774ff8cb1dd48ea811398801b76dc4faf5bcf68c7459d581790e243
9. 0x113fba6d7207bad277545f607f0a674994c5fd3f204373bd52b7784ddfeb38a2
10. 0x75fb43d121b0c7d36d6ce3843de524bb5cde5e31bd50964f1eb46e9e4d22df1f
11. 0x86993f34ffd04a19214c4b442a83218e78811798750015024990bf574868d9e8
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae