Evidence row 1261867

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": "2026-10-30T10:50:41.006Z",
    "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":"dec1821717ebc8f5125a322ca8dc8db56b071a047f3b2e61714cba2ba92934b1","id":1261867,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385517044133,"prev":null,"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 2026-10-30 (243099 rows).

1. 0x7afa9840889cced4d66c275dadb180e70dac9a82da2888c02e08054d5da6488a
2. 0x3fb9d589c988a1c52fa4db13f039b85ff6f265e3e40a568126fabdd6d8d3082d
3. 0xe8f212579a33e2a4c0ae44eede612c926328814f2791b5cb16cc94b89e2bc852
4. 0xdee216ee4a8a865c859c88330d48abdb3f2ee6e4e6eeb95ec046766dcff66046
5. 0xed5d04e2993078eb5ba164f00f3033a25f5fe8333a33cd868b3b2916883c5e7e
6. 0x660a06b952930ccb7b32a0d67f3551365bd7cae41c50d210fe27c3c5dabac1b7
7. 0xa68036f32c32ea32fc4c6af6f0c91a7dd690a0a3d60bdc371e66ead2b377e179
8. 0x3fd65f0f7d616246f0003b81f1bdf2d86481de418f8ceef57d8eefb738388185
9. 0x69c8170b64b1cd5a345296151beb8562f249a814c89ec22473b4b03fed1ac321
10. 0x0ced3d9f4fdd88e96b6d9f7dac8f63a76d2ff271e36833224ec667a3e5326b3a
11. 0x8ac23d82d33465b943c76130a75e330e70e04fb89075311dfc760817a6730fb2
12. 0x1f5f9f811b3acae7b4c2226e26168d9d75a6c990f75984607118479efc3160a0
13. 0x7d78eff4c9ce267d28036a409ba9eaf648f301fa99e543592b9bd1ea5660fdc5
14. 0x98147b4434f11be9b2162fe0bf2cff64bd30ca1bfe5cd0edf25228078b678708
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861