← The evidence ledger
Evidence row 118788
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://prop.halowerk.com/v1/occupancy-optimize
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5175dcfb532483b6ea009cff3975f0cea80afbb0601572f79a47a21af1ca6ddb
- Leaf
- 0xe9e6495fb231576aa422becc9b800c5ba04ed0ac30bc0518d32ce2b3724587a0
What was observed
{
"endpoints": [
[
"x402",
"https://prop.halowerk.com/v1/occupancy-optimize"
]
],
"name": "prop.halowerk.com/v1/occupancy-optimize",
"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": "Sorts groups by size, then assigns each to the available room that has all required features and minimizes unused capacity, hourly cost and room identifier in that order. This fast heuristic is not guaranteed globally optimal and does not handle time overlap, accessibility beyond supplied features, movement, privacy or building-code constraints.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"groups": [
{
"group_id": "design",
"people": 12,
"required_features": [
"video"
]
},
{
"group_id": "review",
"people": 7,
"required_features": [
"screen"
]
}
],
"rooms": [
{
"capacity": 8,
"features": [
"screen"
],
"hourly_cost": 40,
"room_id": "r-101"
},
{
"capacity": 14,
"features": [
"screen",
"video"
],
"hourly_cost": 65,
"room_id": "r-202"
},
{
"capacity": 20,
"features": [
"screen",
"video",
"accessible"
],
"hourly_cost": 72,
"room_id": "r-303"
}
]
},
"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": {
"groups": {
"items": {
"additionalProperties": false,
"properties": {
"group_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"people": {
"maximum": 1000000,
"minimum": 1,
"type": "integer"
},
"required_features": {
"items": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"maxItems": 1000,
"type": "array",
"uniqueItems": true
}
},
"required": [
"group_id",
"people",
"required_features"
],
"type": "object"
},
"maxItems": 10000,
"minItems": 1,
"type": "array"
},
"rooms": {
"items": {
"additionalProperties": false,
"properties": {
"capacity": {
"maximum": 1000000,
"minimum": 1,
"type": "integer"
},
"features": {
"items": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"maxItems": 1000,
"type": "array",
"uniqueItems": true
},
"hourly_cost": {
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"room_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"room_id",
"capacity",
"hourly_cost",
"features"
],
"type": "object"
},
"maxItems": 10000,
"minItems": 1,
"type": "array"
}
},
"required": [
"rooms",
"groups"
],
"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": "2026-10-08T05:40:28.002Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T05:40:27.53Z"
},
"resource": "https://prop.halowerk.com/v1/occupancy-optimize",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Sorts groups by size, then assigns each to the available room that has all required features and minimizes unused capacity, hourly cost and room identifier in that order. This fast heuristic is not guaranteed globally optimal and does not handle time overlap, accessibility beyond supplied features, movement, privacy or building-code constraints."
}What the leaf hashes
{"body":"5175dcfb532483b6ea009cff3975f0cea80afbb0601572f79a47a21af1ca6ddb","id":118788,"kind":"listing","method":"baseline/1","observed_us":1793025613716038,"prev":null,"subject":"x402_bazaar:https://prop.halowerk.com/v1/occupancy-optimize","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).
- 0xe9e67c7f00e21d69f4ee1fe8904edd72418b691e193bdad3c4a5c977c20ff50b
- 0x1b44df720f379f493a5e59c4e5e2a7808697dc7b9f13e256d88c16f0e1f766bb
- 0xc25f93fcc43622607d137cd2ea9ea63b1059db6d70d177d0ddc0813ae39f4c6f
- 0x529621d967622dd578e98f97b3b1bdc9aaa7a3beb8b3d89ba3793345675abdac
- 0x9c826c36d508d7ad820643969dafb7a6b942be4ecf3c4479c229ce61db7908cb
- 0x9c7d5a80df1a6c90c0a8dbb02b972a6a6bf333c1b3ac17c48d920a43f3432bb5
- 0x96f0b8c0e8ef8f8d5c3143f46924bc5e1e3024b83e32372625fe970111303e85
- 0x15fd4e6b9394a395ddb5cc447e2f71981f3b08ae6141dbb2786fee436d8e3306
- 0x41b79f71d1afccd3b3ef4c56a8163985b60e558ad76073e70839e77fbc6fcda2
- 0xeeec22ca7728902ad7b7555da76e832c1a5feb9eab7fbd2016b96e53630a46dd
- 0x2ec584f2a0466a34409d72f745f85d43c3f2da79c7fe353433c8b601cf9f2050
- 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
- 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae