← The evidence ledger
Evidence row 577826
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint b3402dac-782e-41db-b5f1-ac116339d2bc
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7d1ff45f9b256d73a196f2668fef9ae13bd15c9faaaddfe66d89e501ccd74a02
- Leaf
- 0x376fb102b1fef5b21d7da4619a95b763574cee7beb35b10a3c5a467b46b9a1a2
What was observed
{
"count": 7,
"tools": [
{
"description": "Side-by-side registry attributes for 2 to 5 studies. A structural comparison only, never an efficacy or safety ranking.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"nct_ids": {
"items": {
"pattern": "^NCT\\d{8}$",
"type": "string"
},
"maxItems": 5,
"minItems": 2,
"type": "array"
}
},
"required": [
"nct_ids"
],
"type": "object"
},
"name": "compare_clinical_trials"
},
{
"description": "One study by NCT id: full structured record (status, dates, enrollment, eligibility text, sites and contacts, outcomes, documents), plus the changes AgentStructure has observed and data freshness.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"location_filter": {
"additionalProperties": false,
"properties": {
"city": {
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"country": {
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"state": {
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"type": "object"
},
"max_locations": {
"maximum": 200,
"minimum": 0,
"type": "integer"
},
"nct_id": {
"pattern": "^NCT\\d{8}$",
"type": "string"
}
},
"required": [
"nct_id"
],
"type": "object"
},
"name": "get_clinical_trial"
},
{
"description": "The change history AgentStructure recorded for a study: previous and new values, event type, dates and provenance. Starts monitoring the study if it was unknown.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"event_types": {
"items": {
"enum": [
"STUDY_FIRST_OBSERVED",
"NEW_STUDY_REGISTERED",
"NEW_STUDY_MATCHED",
"NOT_RECRUITING_TO_RECRUITING",
"RECRUITING_TO_SUSPENDED",
"RECRUITMENT_CLOSED",
"STUDY_SUSPENDED",
"STUDY_TERMINATED",
"STUDY_WITHDRAWN",
"STUDY_COMPLETED",
"STATUS_CHANGED",
"NEW_SITE_ADDED",
"SITE_REMOVED",
"SITE_STATUS_CHANGED",
"ENROLLMENT_TARGET_CHANGED",
"ENROLLMENT_ACTUAL_REPORTED",
"START_DATE_REVISED",
"PRIMARY_COMPLETION_DATE_REVISED",
"COMPLETION_DATE_REVISED",
"DATE_CONFIRMED_ACTUAL",
"RESULTS_POSTED",
"PHASE_CHANGED",
"ELIGIBILITY_CHANGED",
"SPONSOR_CHANGED",
"COLLABORATORS_CHANGED",
"INTERVENTIONS_CHANGED",
"CONDITIONS_CHANGED",
"TITLE_CHANGED",
"STUDY_TYPE_CHANGED",
"FDA_RECALL_POSTED",
"FDA_APPROVAL_RECORDED",
"FDA_SUPPLEMENT_APPROVED",
"FDA_LABEL_UPDATED",
"PUBLICATION_LINKED"
],
"type": "string"
},
"maxItems": 40,
"type": "array"
},
"include_baseline": {
"type": "boolean"
},
"limit": {
"maximum": 200,
"minimum": 1,
"type": "integer"
},
"nct_id": {
"pattern": "^NCT\\d{8}$",
"type": "string"
},
"since": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
}
},
"required": [
"nct_id"
],
"type": "object"
},
"name": "get_trial_changes"
},
{
"description": "A source-linked brief on a study, sponsor, condition, intervention, or one of your watchlists: current facts, observed developments, unknowns, and freshness.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"subject": {
"enum": [
"study",
"sponsor",
"condition",
"intervention",
"watchlist"
],
"type": "string"
},
"value": {
"description": "NCT id, sponsor, condition, intervention, or watchlist id",
"maxLength": 200,
"minLength": 1,
"type": "string"
}
},
"required": [
"subject",
"value"
],
"type": "object"
},
"name": "get_trial_intelligence_brief"
},
{
"description": "Search ClinicalTrials.gov by condition, intervention, sponsor, phase, recruitment status, location, institution, study type or dates. Returns structured studies with source links and retrieval time.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"condition": {
"description": "Disease or condition, e.g. multiple sclerosis",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"first_posted_since": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"institution": {
"description": "Research site / facility name",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"intervention": {
"description": "Drug or other intervention name",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"location": {
"description": "Free-text place, e.g. 'Boston, Massachusetts'",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"location_filter": {
"additionalProperties": false,
"description": "Show only sites in this city/state/country in each result",
"properties": {
"city": {
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"country": {
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"state": {
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"type": "object"
},
"nct_ids": {
"items": {
"pattern": "^NCT\\d{8}$",
"type": "string"
},
"maxItems": 50,
"minItems": 1,
"type": "array"
},
"near": {
"additionalProperties": false,
"properties": {
"latitude": {
"maximum": 90,
"minimum": -90,
"type": "number"
},
"longitude": {
"maximum": 180,
"minimum": -180,
"type": "number"
},
"radius_miles": {
"maximum": 500,
"minimum": 1,
"type": "number"
}
},
"required": [
"latitude",
"longitude",
"radius_miles"
],
"type": "object"
},
"page_size": {
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"page_token": {
"maxLength": 500,
"type": "string"
},
"phase": {
"items": {
"enum": [
"NA",
"EARLY_PHASE1",
"PHASE1",
"PHASE2",
"PHASE3",
"PHASE4"
],
"type": "string"
},
"maxItems": 6,
"type": "array"
},
"query": {
"description": "Free-text search across the registry",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"recruitment_status": {
"items": {
"enum": [
"ACTIVE_NOT_RECRUITING",
"COMPLETED",
"ENROLLING_BY_INVITATION",
"NOT_YET_RECRUITING",
"RECRUITING",
"SUSPENDED",
"TERMINATED",
"WITHDRAWN",
"AVAILABLE",
"NO_LONGER_AVAILABLE",
"TEMPORARILY_NOT_AVAILABLE",
"APPROVED_FOR_MARKETING",
"WITHHELD",
"UNKNOWN"
],
"type": "string"
},
"maxItems": 14,
"type": "array"
},
"sponsor": {
"description": "Sponsor or collaborator name",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"start_date_from": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"start_date_to": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"study_type": {
"enum": [
"INTERVENTIONAL",
"OBSERVATIONAL",
"EXPANDED_ACCESS"
],
"type": "string"
},
"updated_since": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
}
},
"type": "object"
},
"name": "search_clinical_trials"
},
{
"description": "Search the EU Clinical Trials Information System (CTIS, euclinicaltrials.eu) by condition, medicine, sponsor or text, or get one trial by EU CT number (with its ClinicalTrials.gov link when listed). Experimental source.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"condition": {
"description": "Medical condition",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"ct_number": {
"description": "Get one trial by EU CT number",
"pattern": "^\\d{4}-\\d{6}-\\d{2}-\\d{2}$",
"type": "string"
},
"medicine": {
"description": "Medicine or active substance",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"page": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"page_size": {
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Free text across EU trial records",
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"sponsor": {
"maxLength": 200,
"minLength": 1,
"type": "string"
}
},
"type": "object"
},
"name": "search_eu_trials"
},
{
"description": "Search openFDA: Drugs@FDA approvals (drug/drugsfda), recalls (drug/enforcement) or labeling (drug/label) by drug, firm, application number or date.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"application_number": {
"pattern": "^(NDA|ANDA|BLA)\\d{6}$",
"type": "string"
},
"dataset": {
"description": "drug/drugsfda = approvals; drug/enforcement = recalls; drug/label = labeling",
"enum": [
"drug/enforcement",
"drug/drugsfda",
"drug/label"
],
"type": "string"
},
"drug": {
"maxLength": 120,
"minLength": 1,
"type": "string"
},
"firm": {
"maxLength": 120,
"minLength": 1,
"type": "string"
},
"limit": {
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"since": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"until": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
}
},
"required": [
"dataset"
],
"type": "object"
},
"name": "search_fda_updates"
}
]
}What the leaf hashes
{"body":"7d1ff45f9b256d73a196f2668fef9ae13bd15c9faaaddfe66d89e501ccd74a02","id":577826,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142765690710,"prev":null,"subject":"b3402dac-782e-41db-b5f1-ac116339d2bc","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4