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Evidence row 527001

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://clinical-trials.use.x402atlas.com/search
Recorded
Previous row
#452065
Body SHA-256
90be26b0204bc8509571ff040b502193e07b56abf85eddc013f33578cc07d066
Leaf
0xe1980f36d1ee8f5ab814e5881faa2d1735e217f297bd0f846bb780c58d1d241f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://clinical-trials.use.x402atlas.com/search"
    ]
  ],
  "name": "Clinical Trial Search",
  "owner_address": "0x8c128f1ee62bb5e47867cfbae2ad89be325df1b2",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "merchant": "x402Atlas",
          "tier": "standard"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
        "scheme": "exact"
      }
    ],
    "description": "Clinical trial search — find ClinicalTrials.gov studies by free text, condition, intervention, sponsor, recruitment status and phase, and get each study's NCT id, titles, status, phases, conditions, interventions, sponsor, start and completion dates, enrollment and whether results are posted. Use for drug development, medical research and patient-recruitment questions.",
    "extensions": {
      "bazaar": {
        "category": "health",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "query": "semaglutide",
              "status": "recruiting"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-20T19:30:00Z",
              "caveat": "Registry entries are sponsor-reported and revised over time; a completed status does not mean results were posted. Not medical advice.",
              "condition": "",
              "count": 3,
              "intervention": "",
              "modified": true,
              "next_page_token": "ZVNj7o2Elu8o3lpzW96v4q2tmpOQJJxsZvOl1PcW",
              "phase": "",
              "query": "semaglutide",
              "source": {
                "citation": "Source: ClinicalTrials.gov, U.S. National Library of Medicine. Normalized by x402 Atlas; not the registry's verbatim record.",
                "name": "ClinicalTrials.gov",
                "url": "https://clinicaltrials.gov"
              },
              "sponsor": "",
              "status": [
                "recruiting"
              ],
              "studies": [
                {
                  "completion_date": {
                    "date": "2032-12-31",
                    "precision": "day"
                  },
                  "conditions": [
                    "Type 2 Diabetes"
                  ],
                  "enrollment": {
                    "count": 60,
                    "type": "estimated"
                  },
                  "first_posted": {
                    "date": "2022-08-15",
                    "precision": "day"
                  },
                  "has_results": false,
                  "interventions": [
                    {
                      "name": "Pioglitazone 45 mg",
                      "type": "drug"
                    },
                    {
                      "name": "Empagliflozin 25 MG",
                      "type": "drug"
                    },
                    {
                      "name": "Semaglutide 7 MG",
                      "type": "drug"
                    }
                  ],
                  "last_updated": {
                    "date": "2025-02-26",
                    "precision": "day"
                  },
                  "lead_sponsor": "Karolinska Institutet",
                  "nct_id": "NCT05501483",
                  "official_title": "Adipose Tissue Heterogeneity and Its Link to Type 2 Diabetes: A Randomized Open Intervention Study That Compares Empagliflozin, Pioglitazone and Semaglutide",
                  "phases": [
                    "na"
                  ],
                  "primary_completion_date": {
                    "date": "2026-09-01",
                    "precision": "day"
                  },
                  "start_date": {
                    "date": "2023-02-08",
                    "precision": "day"
                  },
                  "status": "recruiting",
                  "study_type": "interventional",
                  "title": "Adipose Tissue Heterogeneity and Its Link to Type 2 Diabetes",
                  "url": "https://clinicaltrials.gov/study/NCT05501483"
                },
                {
                  "completion_date": {
                    "date": "2029-02-01",
                    "precision": "day"
                  },
                  "conditions": [
                    "Bipolar I Disorder",
                    "Bipolar II Disorder",
                    "Schizo Affective Disorder",
                    "Obesity",
                    "Weight Loss",
                    "GLP - 1"
                  ],
                  "enrollment": {
                    "count": 100,
                    "type": "estimated"
                  },
                  "first_posted": {
                    "date": "2025-10-09",
                    "precision": "day"
                  },
                  "has_results": false,
                  "interventions": [
                    {
                      "name": "Group Therapy Program",
                      "type": "behavioral"
                    },
                    {
                      "name": "semaglutide",
                      "type": "drug"
                    },
                    {
                      "name": "Phentermine-Topiramate",
                      "type": "drug"
                    },
                    {
                      "name": "naltrexone and bupropion (combination)",
                      "type": "drug"
                    }
                  ],
                  "last_updated": {
                    "date": "2026-03-11",
                    "precision": "day"
                  },
                  "lead_sponsor": "Mayo Clinic",
                  "nct_id": "NCT07213466",
                  "official_title": "Individualized Pharmacological Approach to Obesity in Patients With Bipolar Disorder - OBOE-Mayo",
                  "phases": [
                    "4"
                  ],
                  "primary_completion_date": {
                    "date": "2028-02-01",
                    "precision": "day"
                  },
                  "start_date": {
                    "date": "2026-01-19",
                    "precision": "day"
                  },
                  "status": "recruiting",
                  "study_type": "interventional",
                  "title": "Individualized Pharmacological Approach to Obesity in Patients With Bipolar Disorder",
                  "url": "https://clinicaltrials.gov/study/NCT07213466"
                },
                {
                  "completion_date": {
                    "date": "2029-09-30",
                    "precision": "day"
                  },
                  "conditions": [
                    "Obesity and Metabolic Syndrome"
                  ],
                  "enrollment": {
                    "count": 120,
                    "type": "estimated"
                  },
                  "first_posted": {
                    "date": "2026-05-15",
                    "precision": "day"
                  },
                  "has_results": false,
                  "interventions": [
                    {
                      "name": "Tirzepatide with lifestyle modification",
                      "type": "drug"
                    },
                    {
                      "name": "Semaglutide with lifestyle modification",
                      "type": "drug"
                    }
                  ],
                  "last_updated": {
                    "date": "2026-05-15",
                    "precision": "day"
                  },
                  "lead_sponsor": "Tri-Service General Hospital (TSGH)",
                  "nct_id": "NCT07589322",
                  "official_title": "Comparative Adipose Tissue and Cardiometabolic System Remodeling by Tirzepatide and Semaglutide: an AI-integrated Multimodal Metabolomics and Translational Mechanistic Study",
                  "phases": [
                    "na"
                  ],
                  "primary_completion_date": {
                    "date": "2028-09-30",
                    "precision": "day"
                  },
                  "start_date": {
                    "date": "2026-03-31",
                    "precision": "day"
                  },
                  "status": "recruiting",
                  "study_type": "interventional",
                  "title": "Comparative Observation of Metabolic and Pharmacologic Adipose Remodeling With Enhanced Incretin AgonisTs",
                  "url": "https://clinicaltrials.gov/study/NCT07589322"
                }
              ],
              "total": 180
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "condition": {
                      "description": "Condition or disease filter",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "intervention": {
                      "description": "Intervention or treatment filter",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "limit": {
                      "default": 10,
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "page_token": {
                      "description": "next_page_token of the previous page",
                      "maxLength": 512,
                      "type": "string"
                    },
                    "phase": {
                      "description": "early1 = early phase 1; na = not applicable",
                      "enum": [
                        "early1",
                        "1",
                        "2",
                        "3",
                        "4",
                        "na"
                      ],
                      "type": "string"
                    },
                    "query": {
                      "description": "Free-text search over all study fields",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "sponsor": {
                      "description": "Lead sponsor name filter",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "status": {
                      "description": "Comma-separated, up to 5 of: recruiting, not_yet_recruiting, active_not_recruiting, enrolling_by_invitation, completed, suspended, terminated, withdrawn, available, no_longer_available, temporarily_not_available, approved_for_marketing, withheld, unknown",
                      "maxLength": 200,
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "as_of": {
                      "description": "Retrieval time, UTC",
                      "format": "date-time",
                      "type": "string"
                    },
                    "caveat": {
                      "description": "Fixed interpretation note",
                      "type": "string"
                    },
                    "condition": {
                      "description": "Applied filter; empty when none",
                      "type": "string"
                    },
                    "count": {
                      "description": "Studies on this page",
                      "type": "integer"
                    },
                    "intervention": {
                      "description": "Applied filter; empty when none",
                      "type": "string"
                    },
                    "modified": {
                      "description": "Always true: fields are normalized, not the registry's verbatim record",
                      "type": "boolean"
                    },
                    "next_page_token": {
                      "description": "Pass as page_token for the next page; empty on the last page",
                      "type": "string"
                    },
                    "note": {
                      "description": "Present only on a sample or empty response",
                      "type": "string"
                    },
                    "phase": {
                      "description": "Applied phase filter; empty when none",
                      "type": "string"
                    },
                    "query": {
                      "type": "string"
                    },
                    "source": {
                      "additionalProperties": false,
                      "properties": {
                        "citation": {
                          "description": "Attribution requested by the registry",
                          "type": "string"
                        },
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "name",
                        "url",
                        "citation"
                      ],
                      "type": "object"
                    },
                    "sponsor": {
                      "description": "Applied filter; empty when none",
                      "type": "string"
                    },
                    "status": {
                      "description": "Applied status filter",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "studies": {
                      "description": "Study summaries: nct_id, title, official_title, status (lowercase registry status), study_type, phases[] (early1|1|2|3|4|na), conditions[], interventions[] {type, name}, lead_sponsor, start_date/primary_completion_date/completion_date {date, precision: day|month|year, type?} (absent when not reported), enrollment {count, type}, has_results, url",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "total": {
                      "description": "Studies matching across all pages",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "as_of",
                    "source",
                    "caveat",
                    "modified",
                    "query",
                    "condition",
                    "intervention",
                    "sponsor",
                    "status",
                    "phase",
                    "count",
                    "total",
                    "studies",
                    "next_page_token"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "clinical-trials",
          "clinicaltrials-gov",
          "trial-search",
          "medical-research",
          "drug-development"
        ]
      }
    },
    "lastUpdated": "2026-10-27T10:04:55.665Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T10:04:55.569Z"
    },
    "resource": "https://clinical-trials.use.x402atlas.com/search",
    "serviceName": "Clinical Trial Search",
    "tags": [
      "clinical-trials",
      "clinicaltrials-gov",
      "trial-search",
      "medical-research",
      "drug-development"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Clinical trial search — find ClinicalTrials.gov studies by free text, condition, intervention, sponsor, recruitment status and phase, and get each study's NCT id, titles, status, phases, conditions, interventions, sponsor, start and completion dates, enrollment and whether results are posted. Use for drug development, medical research and patient-recruitment questions."
}

What the leaf hashes

{"body":"90be26b0204bc8509571ff040b502193e07b56abf85eddc013f33578cc07d066","id":527001,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793472381,"prev":452065,"subject":"x402_bazaar:https://clinical-trials.use.x402atlas.com/search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0xe1985168fe59f028aee7d7aa383803d84ee6359e37dba9ff79503215144fb00f
  2. 0x6310d8d9b33acb51ca45e9ad868670798431bcdb12cf8b0f7e03e11bbdd7d10d
  3. 0x5442971dc483d5e35a00c3c87b0be3e03070dcddc311a61255ab730d77568f08
  4. 0xedc5605b3e88ae0a6f32669ae35dd33a9a94554330eb0d313caba828d37a79d9
  5. 0xc836507572ec235b9e8aec0de4d0e6bb2c92d8f829411134d67f9aebf8f4ac54
  6. 0x9f91094dd1fd376f376d51c8617eb3d6ed9a60f6b7019d937306f1829cae4bb5
  7. 0xc91e64697cf43bb2d41b8e111343082b3c6e510b15c9dbaa756dcb95bf2f24d7
  8. 0x5928178b9915c3723b438f113c26b71f3db2006de34efb9168eac2796120c3df
  9. 0x9e0086b9cc6c9b6829e3caeef40185ce48a092d2e4850cf2244ba6296166db3a
  10. 0x55eaaf6949d63fa523ab5efe46c4d908d90b9c2e2a90b5b5d1fbcff2b418e7e3
  11. 0x685edc20eef134e9053b5f48e92fbcfdce3625c2c28f68c4ec9232819c669574
  12. 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
  13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
  14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
  15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
  16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
  17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON