Evidence row 265304

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://clinical-trials.use.x402atlas.com/recent"
    ],
    [
      "x402",
      "https://clinical-trials.use.x402atlas.com/search"
    ]
  ],
  "name": "clinical-trials.use.x402atlas.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:137",
      "eip155:42161",
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "clinical-trials.use.x402atlas.com",
    "endpoints": [
      {
        "description": "Clinical trial updates feed — ClinicalTrials.gov studies for a condition that were posted or updated in the last N days, newest first, with status, phases, interventions, sponsor, dates and enrollment. Use to monitor a disease area, a drug or a sponsor for new trials, status changes and posted results.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "melanoma",
            "group": "query",
            "name": "condition",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Clinical Trial Updates",
        "tags": [
          "clinical-trials",
          "clinicaltrials-gov",
          "trial-updates",
          "monitoring",
          "medical-research"
        ],
        "url": "https://clinical-trials.use.x402atlas.com/recent"
      },
      {
        "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.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "semaglutide",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "recruiting",
            "group": "query",
            "name": "status",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Clinical Trial Search",
        "tags": [
          "clinical-trials",
          "clinicaltrials-gov",
          "trial-search",
          "medical-research",
          "drug-development"
        ],
        "url": "https://clinical-trials.use.x402atlas.com/search"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "clinical-trials-use-x402atlas-com",
    "integrationType": "",
    "isNew": false,
    "name": "clinical-trials.use.x402atlas.com",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:42161",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "clinical-trials.use.x402atlas.com",
    "providerUrl": "",
    "serviceName": "Clinical Trial",
    "tags": [
      "clinical-trials",
      "clinicaltrials-gov",
      "trial-updates",
      "monitoring",
      "medical-research",
      "trial-search",
      "drug-development"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"b77a10aa5ccddb851eee28b933f9c06859513bccb0755ff0d672ee9e43ce58e8","id":265304,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793034695390211,"prev":261554,"subject":"agentic_market:clinical-trials-use-x402atlas-com","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. 0x1e75eab714a5888b64b618b7008569b872d9c3d4948c9b94e712836315efe0a4
2. 0x9652dda27c5e5681d58c4fe389e210f90ec523e0e8863821a6fb5c591dbf78aa
3. 0x7ff36b5de49ac8f48b87192419a9d93d6aa7cab8e02d99ee8fdd62c838c806b5
4. 0x20dbf5baf6d134d40dea903fdc4d4896277ec730b50cff0925ea36bbdab7050a
5. 0x3b0e82c56e8643960bfbb30f3b407a0dea1bc25dc5459a4a4091063ce2762b65
6. 0x299cb47810e7c3b7647f85597db3765f5ef2431589bd49d146608aacc7bfb9e2
7. 0x9af3e9681bc7a32cda18233a91818f4ee7aa097f5aa7dc9c984239fedabe34fc
8. 0xf055796e4e6d5a03b72f305d29b9c8a7ed37ac86fdb2fa69d85b4e66225b5667
9. 0x8518769c1908e5f9f79d195e320b5d4ba7855d354966f8cb8aec4353eaf8785d
10. 0x4d2aba33e7e89002d03246762c55699d2d86e41f6cf4b5863558950cb1a7cb50
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae