← The evidence ledger
Evidence row 118791
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://prop.halowerk.com/v1/zoning-intel
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 378125e83cd5eac084903a0118b0e9682b70e870a3a256f0f4af965db1198e28
- Leaf
- 0xe1b8fd0dd23528a0a41d3799a71e2874726d19d9cc2fcb73cd937dd60484f6e6
What was observed
{
"endpoints": [
[
"x402",
"https://prop.halowerk.com/v1/zoning-intel"
]
],
"name": "prop.halowerk.com/v1/zoning-intel",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Calculates floor-area ratio and lot coverage and compares use, height, parking and geometry with an explicit caller-supplied rule set. It does not retrieve or interpret current law, resolve overlays or variances, establish entitlements or provide legal advice; an official planning authority must verify any real project.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"parcel": {
"lot_area_m2": 1800,
"parcel_id": "lot-17b",
"zoning_label": "MU-3-supplied"
},
"proposal": {
"building_footprint_m2": 1050,
"gross_floor_area_m2": 3900,
"height_m": 22,
"parking_spaces": 20,
"proposed_use": "residential"
},
"supplied_rules": {
"allowed_uses": [
"residential",
"retail"
],
"maximum_floor_area_ratio": 2.4,
"maximum_height_m": 24,
"maximum_lot_coverage_fraction": 0.65,
"minimum_parking_spaces": 18
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"parcel": {
"additionalProperties": false,
"properties": {
"lot_area_m2": {
"maximum": 1000000000000,
"minimum": 0.01,
"type": "number"
},
"parcel_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"zoning_label": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"parcel_id",
"lot_area_m2",
"zoning_label"
],
"type": "object"
},
"proposal": {
"additionalProperties": false,
"properties": {
"building_footprint_m2": {
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"gross_floor_area_m2": {
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"height_m": {
"maximum": 10000,
"minimum": 0,
"type": "number"
},
"parking_spaces": {
"maximum": 1000000,
"minimum": 0,
"type": "integer"
},
"proposed_use": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"proposed_use",
"gross_floor_area_m2",
"building_footprint_m2",
"height_m",
"parking_spaces"
],
"type": "object"
},
"supplied_rules": {
"additionalProperties": false,
"properties": {
"allowed_uses": {
"items": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"maxItems": 1000,
"minItems": 1,
"type": "array",
"uniqueItems": true
},
"maximum_floor_area_ratio": {
"maximum": 1000,
"minimum": 0,
"type": "number"
},
"maximum_height_m": {
"maximum": 10000,
"minimum": 0,
"type": "number"
},
"maximum_lot_coverage_fraction": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"minimum_parking_spaces": {
"maximum": 1000000,
"minimum": 0,
"type": "integer"
}
},
"required": [
"allowed_uses",
"maximum_floor_area_ratio",
"maximum_lot_coverage_fraction",
"maximum_height_m",
"minimum_parking_spaces"
],
"type": "object"
}
},
"required": [
"parcel",
"supplied_rules",
"proposal"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T06:12:38.812Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:12:38.606Z"
},
"resource": "https://prop.halowerk.com/v1/zoning-intel",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Calculates floor-area ratio and lot coverage and compares use, height, parking and geometry with an explicit caller-supplied rule set. It does not retrieve or interpret current law, resolve overlays or variances, establish entitlements or provide legal advice; an official planning authority must verify any real project."
}What the leaf hashes
{"body":"378125e83cd5eac084903a0118b0e9682b70e870a3a256f0f4af965db1198e28","id":118791,"kind":"listing","method":"baseline/1","observed_us":1793025613719881,"prev":null,"subject":"x402_bazaar:https://prop.halowerk.com/v1/zoning-intel","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).
- 0xe1b8ba9c1812a585e8aaef01a1e38443ac1c1f3aea0b1166dff1269362644280
- 0x75a2bea2aee5a6f6931eaa4a06183bacf8860224a880d5d8da954dd0127d6c2d
- 0x9b829f1e814ad6d766295b0481a4ade5d81a301c3242c56e10b9b7c01fbb04c7
- 0x2f3f4cb0a8b5121811bd924ca34a498e5a5114553d557f87db45cf2d755a85da
- 0xd726f3428a032b41b82a9f2b5c6b970d2faf12798ac16e1fbaede31ee99abe32
- 0x5fc6eeffab5c311e89a497bcd8d5bd89a035d2d305691ecf0be2d4ec438a2aea
- 0x8ee78f759d06dcd996b259a39481f6216994b3b7092ee0c59b01923107cb4725
- 0x18084b97fc42ea7eace3d738b6ed7c292170cbfe7aa9af5b673e16ee52e75189
- 0x255df5c0dee1f232ec5aea7b5d871fb431b40a0503273217ce9040b10ce8c2d5
- 0x2cbff68076c452d653c930667b60ac0d1dd957bf168bc813dea281be86c2e39f
- 0xce35ce45ef8f8ea3dfabeeed3d2069f34fb82c77d0d8f31e3429b7d6deb0a351
- 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae