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Evidence row 452065

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://clinical-trials.use.x402atlas.com/search
Recorded
Previous row
#72368
Body SHA-256
247d4bea64c5783f6532656be50651d35e52603e460d66ced4c7783e827c9f93
Leaf
0x6aaf5e18bf6a19bce40a91f52caa3519a83bf5619d5b387317b156545e9d8d62

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": 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":"247d4bea64c5783f6532656be50651d35e52603e460d66ced4c7783e827c9f93","id":452065,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517599123,"prev":72368,"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. 0x6aaf113865b49598f0d1445d72c8cd201ac116e1f661816629ced5ac86d4ce71
  2. 0x59061d4710276efe1d27ca0c2e5207cdac68c0655ad0f9a2bc36bff6bc204e9c
  3. 0x899fc73823da3f961e911dcfc776f40d8321ec5796354765c33822b704201064
  4. 0xd9a4d56deba52a402cffb308fcffc495a3cee5691ff45f2da130ebc0ea0a3635
  5. 0xc3214fa417100f6fdb2dd42fe5347ec6d9243f0488792d1718a7b1b9b929946d
  6. 0xe51bc5fda62f54b4ec5ca82682bc8a33c56eec271b7de6da1f7ad5f146ba3651
  7. 0x1be756de33c07473287a53e74f56e6a91eb9f551bed5be4e489bdef6e52efd1e
  8. 0xb906500b2b7cda8dc0914cc60568a703467656aa6974e442c20134ede3c9e876
  9. 0x6cb7e93995486ec0c1b7605b30308446bf19fb45d62b7f94c66f200383e7b354
  10. 0x03efc24a2af188805ea4821f44beb9452361f76d1f0bd75006861e3c6e2c7eec
  11. 0xf948df558d360ef6260367a5acb11bce86c964cb5608d9fbd474976a57db8d7b
  12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
  13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
  14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
  15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
  16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
  17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON