Evidence row 1507827

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.facts402.com/sanctions"
    ]
  ],
  "name": "OFAC Sanctions Screening",
  "owner_address": "0x5498b0aa90cd56f8962cbd136df3d3769c85f149",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5498b0Aa90cd56F8962CBd136DF3D3769C85f149",
        "scheme": "exact"
      }
    ],
    "description": "Fuzzy-screen a person, company, vessel or aircraft name against the US Treasury OFAC SDN list including aliases (live list, refreshed every 6 h): matched entries with score, type, sanctions programs and remarks, plus the closest near-miss score. Screening aid for payment, onboarding, KYC/KYB and trade agents.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "min_score": 88,
              "name": "Banco Nacional de Cuba"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "best_score_below_threshold": 72.7,
              "disclaimer": "Screening aid only, not a legal determination or compliance advice. Names are fuzzy-matched (RapidFuzz token-sort ratio: word order, accents and punctuation ignored; a name containing every specific query word scores at least 90) against the US Treasury OFAC SDN list and its aliases as downloaded at 'list_fetched_at'; other lists (non-SDN, EU, UN, UK) are not covered. Matches can be false positives and misses are possible (see 'best_score_below_threshold'); confirm with OFAC's Sanctions List Search using full identifiers (date of birth, nationality, addresses).",
              "entity_type_filter": null,
              "entries_screened": 19484,
              "list": "OFAC Specially Designated Nationals (SDN), primary names and aliases",
              "list_age_hours": 0,
              "list_fetched_at": "2026-10-30T00:34:47Z",
              "list_last_modified": "Wed, 28 Oct 2026 14:03:09 GMT",
              "match_count": 1,
              "matches": [
                {
                  "entity_number": 306,
                  "matched_name": "banco nacional de cuba",
                  "matched_on": "primary",
                  "programs": [
                    "CUBA"
                  ],
                  "remarks": "a.k.a. 'BNC'.",
                  "remarks_truncated": false,
                  "score": 100,
                  "sdn_name": "BANCO NACIONAL DE CUBA",
                  "sdn_type": "entity"
                }
              ],
              "min_score": 88,
              "more_matches": false,
              "names_screened": 39688,
              "normalised_query": "banco nacional de cuba",
              "query": "Banco Nacional de Cuba",
              "served_from_cache_after_refresh_failure": false,
              "subset_hits_suppressed": 0
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "entity_type": {
                      "anyOf": [
                        {
                          "enum": [
                            "individual",
                            "entity",
                            "vessel",
                            "aircraft"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Optional filter on the SDN entry type",
                      "title": "Entity Type"
                    },
                    "min_score": {
                      "default": 88,
                      "description": "Minimum similarity score 70-100",
                      "maximum": 100,
                      "minimum": 70,
                      "title": "Min Score",
                      "type": "integer"
                    },
                    "name": {
                      "description": "Person, company, vessel or aircraft name",
                      "maxLength": 200,
                      "minLength": 3,
                      "title": "Name",
                      "type": "string"
                    }
                  },
                  "required": [
                    "name"
                  ],
                  "title": "SanctionsRequest",
                  "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": "2026-10-31T18:19:33.334Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T10:50:40.698Z"
    },
    "resource": "https://api.facts402.com/sanctions",
    "serviceName": "OFAC Sanctions Screening",
    "tags": [
      "sanctions",
      "ofac",
      "aml",
      "kyc",
      "compliance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fuzzy-screen a person, company, vessel or aircraft name against the US Treasury OFAC SDN list including aliases (live list, refreshed every 6 h): matched entries with score, type, sanctions programs and remarks, plus the closest near-miss score. Screening aid for payment, onboarding, KYC/KYB and trade agents."
}

What the leaf hashes

{"body":"8c9da3a83e811f2d3213ac8479d68fe08485f07c6710d3ea178f894036b774c2","id":1507827,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472705122634,"prev":1261867,"subject":"x402_bazaar:https://api.facts402.com/sanctions","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x5baf3d804db779084b9b648c377492599a1646656fb81eefbca79596769619a3
2. 0xd7878dd3876d875fe5b79ea115a6e447ba75ca6709d82804ff48333ca33cb2e7
3. 0x0c9673dbf7a82fea256eb7b2d382f50204bc916b6fcdc80ae372f49ffdc06880
4. 0xbfb3216d50c33cc13b0b287af905cd0e8fa5044a54b8c01cdf04c25323c1f3a9
5. 0xfaede9eefd7fcdadd86deebedda2397a6a3daa8a302b415bdbd7d2ecd7615397
6. 0x3bd72d64719738de6c3192c695f14c45c1591e9c45befc1f90eab7259ef5df93
7. 0xdc6b80807a9976272f2609207168b79ea3dd097b350ce4ae809b683f1186e042
8. 0x76ecc728bddcc8d73b7d37f3359cda72c2574b6e02343c7095a97bda2855c424
9. 0x0491d6f9f1b53cefecb246b6bb7eafe807618386c097641e43335ad089bed3b9
10. 0x520ab16cc19e647865749d14803cd29036bf72d5638666e36bcafa9a1a2f8d79
11. 0xbb9f5711c2138f1425e433bf69346d725021e0277ab84bdf7077b0b721f8fd46
12. 0x4a8abc03fed1fe93543ee8e250bd1b4e73cc93890e2ce67c6b6aca0887b97ba5
13. 0x3f29202637d7ceda8fabfbf7810410a7ec3b1bc07170e352d26f9ba4ee18d86c
14. 0x4491b6c04d316f311f7fea4ea34ae52fbca9c230259096575b403fb7b124627a
15. 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0