Evidence row 74465

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://eltociear-tokenguard.hf.space/data/pubmed"
    ]
  ],
  "name": "tokenguard",
  "owner_address": "0x5bcda55247b238a573a968b234f788a2d35664dd",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bCDA55247B238a573A968B234F788a2D35664Dd",
        "scheme": "exact"
      }
    ],
    "description": "Biomedical literature search over PubMed (NCBI, 37M+ citations): titles, journals, authors, dates and DOIs",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 5,
              "query": "crispr gene editing"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "query": "crispr gene editing",
              "results": [
                {
                  "doi": "10.1038/…",
                  "journal": "Nature",
                  "pmid": "12345678",
                  "title": "…"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "limit": {
                      "description": "1-25 results (default 10)",
                      "type": "integer"
                    },
                    "query": {
                      "description": "Search terms",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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"
        }
      },
      "catalogue": {
        "discovery": "https://eltociear-tokenguard.hf.space/.well-known/x402",
        "note": "Same x402 rail (USDC on Base), same payTo wallet, no account or API key. GET the discovery URL for the full route list and prices.",
        "related": [
          {
            "covers": "pre-interaction EVM contract and token risk check",
            "discovery": "https://eltociear-contract-guard.hf.space/.well-known/x402",
            "service": "contract-guard"
          },
          {
            "covers": "web data (read/crawl/search), MCP and agent-skill security scanning, developer supply chain",
            "discovery": "https://eltociear-skill-audit.hf.space/.well-known/x402",
            "service": "skill-audit"
          }
        ],
        "resources": "https://eltociear-tokenguard.hf.space/x402-resources"
      }
    },
    "lastUpdated": "2026-10-18T12:14:15.759Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T12:14:15.616Z"
    },
    "resource": "https://eltociear-tokenguard.hf.space/data/pubmed",
    "serviceName": "tokenguard",
    "tags": [
      "data",
      "public-records",
      "research",
      "web",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Biomedical literature search over PubMed (NCBI, 37M+ citations): titles, journals, authors, dates and DOIs"
}

What the leaf hashes

{"body":"de7036210cae13039d5f9d8b41443e9f9894e2ed5ebbe05c25851993833c9d4b","id":74465,"kind":"listing","method":"baseline/1","observed_us":1793025489125863,"prev":null,"subject":"x402_bazaar:https://eltociear-tokenguard.hf.space/data/pubmed","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. 0x1a14de714f570101e1f24e52b9bbc2aa57489fb32e10406dfb3a7cab41c904fa
2. 0x0e5911080c268c3a84b027e5fd432cac25bde5a814b930f16bb34f6e5d04b855
3. 0x414e8e69702e6c23de4ffa9fb58c5796c438d4edf3f792222003eae434b960d4
4. 0x2c4ad34fe667ee115e8728bbd7e6ff969685169b8340433ff04a23fa21870ec7
5. 0x1267edea21730f5f7b216b3cf932c8d2d3218e22117fb762241b6997df024003
6. 0xf59e9000227e540567d9eb2c278d5208b08b4bc998c037dc93247e2dbc2b28b1
7. 0x7b6cf67023d6ce4679a1d8ea15bf535407a95dcbc601267bdf87e49cf27fcbd0
8. 0xf4ad69c86d4332b5d347e8d6ffd1fb065f42a637e4db7b1334172726b47cf40f
9. 0xf1291425804580241d3686dedbf6f796eab319f43a3b184360a8a15d451ffa47
10. 0x6d27c5c63ea66456b677294ea72b347a864d782d8f8fd8c013fee5d576ad8725
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae