← The evidence ledger
Evidence row 1262262
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.firstmention.uk/s/check-sanctions/watchlist
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b2a4de6216f51e8829ebbbdd7293bcaa6ebc6c2e2a7ea756be5ae97fcd6ee286
- Leaf
- 0x0cf5e96cb1c758be84d908ef419b684dfedf8bffd0a87d7c2471d295e1d534fa
What was observed
{
"endpoints": [
[
"x402",
"https://api.firstmention.uk/s/check-sanctions/watchlist"
]
],
"name": "check-sanctions",
"owner_address": "0x3cfd4b1afe41ad99b11881d77e2b0d9adc212f13",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x3CfD4B1AfE41ad99b11881d77e2B0d9adc212f13",
"scheme": "exact"
}
],
"description": "Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 30,
"names": "Rosneft|Acme Widgets Ltd|Gazprom",
"threshold": 0.85
},
"type": "http"
},
"output": {
"example": {
"flagged": [
"Rosneft",
"Gazprom"
],
"flagged_count": 2,
"newly_sanctioned": [
"Rosneft"
],
"newly_sanctioned_count": 1,
"note": "Screening signal from public lists, not a legal or compliance determination.",
"results": [
{
"best_score": 0.98,
"flagged": true,
"matched_names": [
"ROSNEFT"
],
"name": "Rosneft",
"newly_sanctioned": true
}
],
"watched": 3,
"window_days": 30
},
"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": {
"days": {
"description": "Look-back window in days (default 30, max 400).",
"type": "number"
},
"names": {
"description": "Pipe-separated counterparty names to re-screen, up to 50.",
"type": "string"
},
"threshold": {
"description": "Fuzzy match threshold 0.5-1.0 (default 0.85).",
"type": "number"
}
},
"required": [
"names"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"flagged": {
"items": {
"type": "string"
},
"type": "array"
},
"flagged_count": {
"type": "number"
},
"newly_sanctioned": {
"items": {
"type": "string"
},
"type": "array"
},
"newly_sanctioned_count": {
"type": "number"
},
"note": {
"type": "string"
},
"results": {
"items": {
"properties": {
"best_score": {
"type": "number"
},
"flagged": {
"type": "boolean"
},
"matched_names": {
"items": {
"type": "string"
},
"type": "array"
},
"name": {
"type": "string"
},
"newly_sanctioned": {
"type": "boolean"
}
},
"type": "object"
},
"type": "array"
},
"watched": {
"type": "number"
},
"window_days": {
"type": "number"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-29T22:17:56.626Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T22:17:56.376Z"
},
"resource": "https://api.firstmention.uk/s/check-sanctions/watchlist",
"serviceName": "check-sanctions",
"tags": [
"sanctions",
"ofac",
"ofsi",
"compliance",
"watchlist"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear."
}What the leaf hashes
{"body":"b2a4de6216f51e8829ebbbdd7293bcaa6ebc6c2e2a7ea756be5ae97fcd6ee286","id":1262262,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385521184069,"prev":null,"subject":"x402_bazaar:https://api.firstmention.uk/s/check-sanctions/watchlist","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0x0cf656f7da6f2bdf283364232c437568d643737e87cd5808330e61fb573292a1
- 0x52e777a88364ab0d06ad80e78661f8e32d21222e9774b5882df9780ebba4d627
- 0x007d0babd4ad8ac67798ce449f82f742942b4f82ff80a37e520a8f9b116e970a
- 0xa23db38293f4fa10f28b13aa9ecc0c0fdcdb2fa84d81261d9c016db6ad239bde
- 0x9e0965bcaa11bfb2871fc32be7f1fc80cfcc4a4c52b9f90e6483c8732ef53a68
- 0xfb9177586f22d6bc990e10b90f254666e254c5d3bce526af04a55d7897f3c510
- 0x058fb0367f4d26d4d0e00f099efc3d2f1c9d90f78a2682b57a70787be82c87be
- 0x411c66218d7834205c21da1e60127a368f12e6a93ff684efed58b012b71edd55
- 0x3ba7a6ea0fba0919ec22c3383f6ea876e40e3096c1cdc0f8767dbfe74ec3f325
- 0x5ed3e548b5b20108c054036d4e8bae6a6b71f11027e772904dbcc4b7a1fca968
- 0x29c08d2a204d863817129ffdfcf2ede5801880b2fcb1f576b57ef9bc30e74283
- 0x76b747b413005e35892132851239d7e377c57980aeac62b425683a8406e94c45
- 0x02b6f5aae7adfec888ccff919c6542cbe38945db1e9f845ec025a65f73f99ee2
- 0xdf5b016e08f93664d06694a7722324dcb27caedd549f286f07d4b4798e0c706e
- 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
- 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
- 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
- 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861