Evidence row 122917

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://trial-lookup.iykykblog.workers.dev/lookup"
    ]
  ],
  "name": "trial-lookup.iykykblog.workers.dev/lookup",
  "owner_address": "0x329b4b66afbc407bb3a22daeb465487c6faa08c1",
  "raw": {
    "accepts": [
      {
        "amount": "80000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x329b4b66AFBC407bb3a22DAEb465487c6FAa08C1",
        "scheme": "exact"
      }
    ],
    "description": "Clinical trial lookup against the full ClinicalTrials.gov registry: exact lookup by NCT number, or search by condition, intervention, or lead sponsor. Returns compact trial summaries (status, phases, conditions, interventions, enrollment, sponsor, dates, results availability). U.S. National Library of Medicine / NIH registry data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "nct": "NCT04470427"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "found": true,
              "match_type": "nct",
              "query": {
                "nct": "NCT04470427"
              },
              "trials": [
                {
                  "brief_title": "A Study to Evaluate Efficacy, Safety, and Immunogenicity of mRNA-1273 Vaccine in Adults Aged 18 Years and Older to Prevent COVID-19",
                  "conditions": [
                    "SARS-CoV-2"
                  ],
                  "enrollment": 30415,
                  "has_results": true,
                  "interventions": [
                    {
                      "name": "mRNA-1273",
                      "type": "BIOLOGICAL"
                    },
                    {
                      "name": "Placebo",
                      "type": "BIOLOGICAL"
                    }
                  ],
                  "lead_sponsor": "ModernaTX, Inc.",
                  "locations_count": 100,
                  "nct_id": "NCT04470427",
                  "phases": [
                    "PHASE3"
                  ],
                  "primary_completion_date": "2022-12-29",
                  "registry_url": "https://clinicaltrials.gov/study/NCT04470427",
                  "start_date": "2020-07-27",
                  "status": "COMPLETED"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "condition": {
                      "description": "Condition or disease to search, e.g. 'type 2 diabetes'",
                      "type": "string"
                    },
                    "intervention": {
                      "description": "Drug, device, or other intervention name to search, e.g. 'metformin'",
                      "type": "string"
                    },
                    "nct": {
                      "description": "Exact NCT number, e.g. 'NCT04470427'",
                      "type": "string"
                    },
                    "sponsor": {
                      "description": "Lead sponsor name to search, e.g. 'AstraZeneca'",
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-13T16:58:14.935Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-13T16:58:20.917Z"
    },
    "resource": "https://trial-lookup.iykykblog.workers.dev/lookup",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Clinical trial lookup against the full ClinicalTrials.gov registry: exact lookup by NCT number, or search by condition, intervention, or lead sponsor. Returns compact trial summaries (status, phases, conditions, interventions, enrollment, sponsor, dates, results availability). U.S. National Library of Medicine / NIH registry data."
}

What the leaf hashes

{"body":"d9191ac07b341f5a15ee13dd0c09382d7bbea7a95d8aa526d2b55c4ba3a2b1e1","id":122917,"kind":"listing","method":"baseline/1","observed_us":1793025622418340,"prev":null,"subject":"x402_bazaar:https://trial-lookup.iykykblog.workers.dev/lookup","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. 0x051fd00edfdba59b21134e8cd27090c4fbc6e971c73d16d07bfa81de688b1578
2. 0x7db6b52c4f05e03a1d865b6a1dbbebdfeb40addf41b61d045ece1ad7de6be4f2
3. 0xc7397e4c7880667efa15ff7a60dbe35d538639f9854298adc492ede2cbaa5c01
4. 0x52fe4d7d5b976999f60aff046c433cc37bc1928e56cd2e7e8125a62be0ce2596
5. 0x987888691933925b873895d3691ba43b944b0260ad10f847ad9567188e85ebcd
6. 0xae4752166b2dcc067ee50bb4bd8933ee1a953289316e4708c90a8034e34a9de5
7. 0x344596306ea4807c022199f86d74541b9efae3d3ea0c0abc7eef3bd3c28dcc71
8. 0x38b66d9aefe3456fcfb32efdbcdbc033be177dc67886ffa59ee947a9c5ba8abd
9. 0x38552143162cfe72f31e41342d68bf6d0db53dbe3dcc62b5beafa04325bfdc5b
10. 0xa3fd99b4d14aebe36a36910f38fbd23ee9ab7b5d169eb4cf8da16b4084155357
11. 0xbc986b35695070cad9d398880439ec872b3a6634ffe7036fde0d0dfde7eabfda
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae