← The evidence ledger
Evidence row 125479
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-service-production-e242.up.railway.app/flood-risk
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cf10248bfafe9740d3dab29534698be6aaa51593a76acf052cbea53972bfe9c6
- Leaf
- 0x71b7199f9b3ed7487f2a924c7dd9aca9490c6c5d712ab81e25245f33f3012af4
What was observed
{
"endpoints": [
[
"x402",
"https://x402-service-production-e242.up.railway.app/flood-risk"
]
],
"name": "x402-service-production-e242.up.railway.app/flood-risk",
"owner_address": "0x3fe8f0e7026c0574fdce0cd79e26cf11255525ab",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "4JVizZAF12UxgMF1Fi1nqcrfBhuuCpHiRM7o9FFfeGdc",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x3FE8F0e7026c0574fdCe0cD79E26Cf11255525aB",
"scheme": "exact"
}
],
"description": "FEMA flood-zone lookup by street address or lat/lng coordinates.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"floodZone": "AE",
"query": {
"address": null,
"lat": 29.7604,
"lon": -95.3698
},
"resolvedAddress": null,
"source": "FEMA National Flood Hazard Layer",
"zoneDescription": "1% annual chance flood hazard"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "Street address (alternative to lat/lon)",
"type": "string"
},
"lat": {
"description": "Latitude (alternative to address)",
"type": "number"
},
"lon": {
"description": "Longitude (alternative to address)",
"type": "number"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
},
"lastUpdated": "2026-10-23T02:31:07.812Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-23T02:32:03.489Z"
},
"resource": "https://x402-service-production-e242.up.railway.app/flood-risk",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "FEMA flood-zone lookup by street address or lat/lng coordinates."
}What the leaf hashes
{"body":"cf10248bfafe9740d3dab29534698be6aaa51593a76acf052cbea53972bfe9c6","id":125479,"kind":"listing","method":"baseline/1","observed_us":1793025626366939,"prev":null,"subject":"x402_bazaar:https://x402-service-production-e242.up.railway.app/flood-risk","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x71b62deb71d1a5a41dbaa3ff512b80dc582779c540378c10d4008f8ba204d94b
- 0xe9408476f14923979c449a61bc843f51792ee13d38fc6e1fc3fb113f00fd9a02
- 0x1aaf11496079c93c560b3349fca2c0810a828f37803bf24efe74ac3d50745c3d
- 0x2cc5f0f51ae8f0c455f1e7ae9a70949d86436f2f8336b1d4326244becd8a1637
- 0x4602e24f40877cd54f2ca608911cebe70c46e428d2e3cf458c7cdb0cf0525069
- 0x7dec9ae653fa4f600a4c1a33725bd4669885e04762c3588965c8255ccc61478b
- 0xab43f74518b6178f4f496e19ce4ed8c4bc20db18a8afb9c42ed31791b045c350
- 0x495b77607a1bd744b1311414982b82c93319c5c8665609875c5ec1c3b660a617
- 0x4ebdbdd07264e5e29002d8a8a426a0d138ecbb21784ff0e8fd11d4cc5b44353b
- 0x7556bb3d28817b67074efa685b0f147185fdbaf6243b748a3e743db60711cd56
- 0x170ddfc94752b8644bb33b281e6fa15e2037a7340325b12b704591a5bd5381b4
- 0xef1802ec08c5a2efaca6aadccc58edcebeb620a019383dc0785f198c677a9427
- 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
- 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae