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Evidence row 72368

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://clinical-trials.use.x402atlas.com/search
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
64cd5ecd0049d365d4d87188778f930142b2dad7dc8a4734f593ce71de89c495
Leaf
0x4a12fb38c8a78768d4400731c84faf7902c6457481a3d377420a311ddb3a08e5

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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "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": "2026-10-25T03:38:06.162Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T03:38:06.027Z"
    },
    "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":"64cd5ecd0049d365d4d87188778f930142b2dad7dc8a4734f593ce71de89c495","id":72368,"kind":"listing","method":"baseline/1","observed_us":1793025485721793,"prev":null,"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 (296695 rows).

  1. 0x4a129d4b02db82c492b2a8d152db74e97f6a3541724addef0164436414f4f806
  2. 0xc7b0380f06193fc5eae55be9ecb786e500978bb2cd8ab75a0a3703def408b2a5
  3. 0x7e3ce70c0f1f037b0ff5fa4935dd18b0e215df3c35df87d4796c791ee664e597
  4. 0xa4213f649a2edd336a5ec16e4a5ce7f58204932d88fa037392b2fc865089e52b
  5. 0xe1a915c91c97a16c5e985fdeedcf5e2b8f50bc2c37a279ff63c617110af42d8a
  6. 0x53455d0b85c07a318f266de872cabb8ab8768d9f5f2d95132b621dfd46b81f84
  7. 0x30deb91c68d2404dfac1130fa9c5698425c65e6f8c0fe3c86ae1508f5034a34b
  8. 0x70b02b15ac8bb9becc02decbeb46f6d565589b7e2ba81d4b5458150ccec4d2e5
  9. 0x7bac93652122e6362b79a79900bc9599a675ccb6c8a1cf4ccc520943bfe821dc
  10. 0xc5b02e18acc2bf5e20929ae3673a14ea6bf4561de28d14bdef58038c731f9754
  11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
  12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
  13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON