Evidence row 452137

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.magentlab.com/api/codes/search"
    ]
  ],
  "name": "magent",
  "owner_address": "0x836be278f1739fb4308091cd1852f7971bc19ee2",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "resourceUrl": "https://api.magentlab.com/api/codes/search",
          "version": "2"
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 86400
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Map a natural-language drug, diagnosis, or lab phrase to a current RxNorm, ICD-10-CM, or LOINC code. Use when an agent must not hallucinate or invent a billing/pharmacy code.",
    "extensions": {
      "bazaar": {
        "info": {
          "iconUrl": "https://api.magentlab.com/favicon.ico",
          "input": {
            "method": "GET",
            "queryParams": {
              "billable_only": true,
              "include_obsolete": false,
              "limit": 5,
              "min_score": 35,
              "query": "Tylenol 500mg",
              "system": "rxnorm",
              "tty": "SCD"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "billable_only": {
                      "description": "ICD-10-CM: return only HIPAA billable codes, not headers. Default true.",
                      "type": "boolean"
                    },
                    "include_obsolete": {
                      "description": "Include deprecated/obsolete codes. Default false.",
                      "type": "boolean"
                    },
                    "limit": {
                      "description": "Number of ranked matches to return (1-25). Default 5.",
                      "type": "integer"
                    },
                    "min_score": {
                      "description": "Minimum rank score 0-100. Default 35.",
                      "type": "integer"
                    },
                    "query": {
                      "description": "Natural-language drug, diagnosis, or lab description. Max 512 characters. Do not send patient names.",
                      "type": "string"
                    },
                    "system": {
                      "description": "Restrict to rxnorm, icd10 (ICD-10-CM), or loinc. Omit to search all.",
                      "enum": [
                        "rxnorm",
                        "icd10",
                        "loinc"
                      ],
                      "type": "string"
                    },
                    "tty": {
                      "description": "Restrict term type. Pharmacy orders typically want SCD. ICD-10-CM is CM; LOINC is LN.",
                      "enum": [
                        "SCD",
                        "SBD",
                        "IN",
                        "PIN",
                        "MIN",
                        "BN",
                        "GPCK",
                        "BPCK",
                        "DF",
                        "SCDC",
                        "SBDC",
                        "SCDF",
                        "SBDF",
                        "CM",
                        "LN"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:01:43.077Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T00:19:09.283Z"
    },
    "resource": "https://api.magentlab.com/api/codes/search",
    "serviceName": "magent",
    "tags": [
      "rxnorm",
      "icd10",
      "icd10cm",
      "loinc",
      "codes"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Map a natural-language drug, diagnosis, or lab phrase to a current RxNorm, ICD-10-CM, or LOINC code. Use when an agent must not hallucinate or invent a billing/pharmacy code."
}

What the leaf hashes

{"body":"705676869c3a52300ad8baff8e21b4b6560809a61c1ee0c5e62fe8ff8249bdcc","id":452137,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517834553,"prev":425492,"subject":"x402_bazaar:https://api.magentlab.com/api/codes/search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xdc9bc63551390d6d06c70762954284bb5753b2f5973119f9894b86d8cb6227a1
2. 0xc88e54c55c7797514a4a448197879c8a60ae2e31991302787888a95a0fa1ec9f
3. 0x40f384662b95185537caba2d371f0ccfacffe68074269c950ad081bf7c7e4a1a
4. 0xe55bd010ca4ce3a49062591a8b74c436899f81094a29ee631b92a76e0b215f74
5. 0xe21666c0d0463e4de2b6f1b10108e5f389c6415e1a582f58e6139af736dadd9e
6. 0xf30ee9b6488307e1812f0fb65cde7cf1cbc4370de9521f3d511f315a61bf3f13
7. 0x1b455906562cd41c99454cfb41b612c136739f7321e8a9a722c4c728ba615cce
8. 0xfa3aa38ae203fbc2275cf5ed382a9a1f829ef114145495fe4fd4a2c18c9bba04
9. 0x319620496d8834d363b7bc5b23ca48f17ceb29a00063001834f17aa3132e40da
10. 0x8b9e7b1d7a2362202d1c5500d7dd57aeb3665661b2e8a574b3353585cafb75a1
11. 0x334fdc873c6948f434b9c525ce181116a68666c00b1dba45661a30143248eb2a
12. 0xb1729a74b02e0277214cd7ddc7a3826d50fd12538906bbf13236f7c6cca39323
13. 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4