Evidence row 1791057

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-31T18:19:32.618Z"
    },
    "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":"34baff703a9769f6e61572838a503937cf3cca6b9ddb7fa76f92692d65d4138b","id":1791057,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559940068848,"prev":1507827,"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 2026-11-01 (302406 rows).

1. 0x7c0e4ace39a114e1b4147020bcf52eb5c8be4ccc117cf4afa286e2349d4ea05f
2. 0xc8220feedfedb1070168f1f39524faf0927f31adbf04fd946e7240ec077dd129
3. 0x46d050fd3a3faf12c6f640c2d943e3bc05491f7273e5fb27d202d396115fa8a0
4. 0x706a342de476c02508827d7aca9de960c3d9bae2d46d623ed36a7fa87baa5610
5. 0xac7751881c86802d27117501dc46ee7ba67171cf05467d82ad4691aa6d7863d9
6. 0xf67254b22a816fd19c0dd4ccca1b9e25ef8df1e069ef9c0843fc5b1ae83a7fc0
7. 0x1838cd53b53144cdfa9200899ca337a24955c10f9cab50de5433b8bde6dd8db8
8. 0x2c09ff505972d4c6a181f790e6f6980af41c3709f5553d20f1ec3f7ab17cd4a5
9. 0x8cafff072fc0f0a9a5411598761b117ca1cd5bf87081e3ac98607a3f34e92a0e
10. 0x189014ed57e408ea481233c317cc667be2243cf2cd791fb9272c8b50acae56d1
11. 0x091771cc51a661b4266d99736b4af9a020fed28c61c8c967c25799a3eb19a70e
12. 0x02927a651aa6360272d46724a3fe12209e9d6a2cef64b2122d2eec98dc94eddb
13. 0xa293e826c573b6aacb42bdfe34ebf9ff9c01a7719cb79774843599231be3aa36
14. 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90