← The evidence ledger
Evidence row 76192
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://handel.halowerk.com/v1/slotting-plan
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 00920a44e06999ef9a065b574e26abb23dc67201fdc4bde9ad4ba3556a84410e
- Leaf
- 0x560f5f9cb337a5a08b4ed69a3b1a6f0a187b142250011fa90a2fc2e6802fc871
What was observed
{
"endpoints": [
[
"x402",
"https://handel.halowerk.com/v1/slotting-plan"
]
],
"name": "handel.halowerk.com/v1/slotting-plan",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "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",
"scheme": "exact"
}
],
"description": "Takes a warehouse as a table and returns a placement. You supply the storage locations with their walking distance to the pick-and-drop point and, where they exist, their weight and volume limits; you supply the SKUs with pick frequency, weight and volume; and you may supply the joint-pick pairs.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"abc_share_pct": [
80,
95
],
"affinities": [
{
"joint_picks_per_period": 210,
"sku_a": "A-100",
"sku_b": "A-101"
}
],
"locations": [
{
"location_id": "L-01",
"max_volume_l": 60,
"max_weight_kg": 25,
"travel_distance_m": 6,
"zone": "front"
},
{
"location_id": "L-02",
"max_volume_l": 60,
"max_weight_kg": 25,
"travel_distance_m": 9,
"zone": "front"
},
{
"location_id": "L-03",
"max_volume_l": 120,
"max_weight_kg": 40,
"travel_distance_m": 22,
"zone": "middle"
},
{
"location_id": "L-07",
"max_volume_l": 120,
"max_weight_kg": 40,
"travel_distance_m": 48,
"zone": "back"
}
],
"return_trip": true,
"skus": [
{
"current_location_id": "L-07",
"picks_per_period": 420,
"sku": "A-100",
"volume_l": 8,
"weight_kg": 2.5
},
{
"current_location_id": "L-01",
"picks_per_period": 380,
"sku": "A-101",
"volume_l": 5,
"weight_kg": 1.2
},
{
"current_location_id": "L-03",
"picks_per_period": 95,
"sku": "B-200",
"volume_l": 40,
"weight_kg": 18
},
{
"current_location_id": "L-02",
"picks_per_period": 12,
"sku": "C-300",
"volume_l": 2,
"weight_kg": 0.4
}
]
},
"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": {
"abc_share_pct": {
"default": [
80,
95
],
"description": "Cumulative pick share in percent that ends class A and class B. First value must be smaller than the second.",
"items": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"maxItems": 2,
"minItems": 2,
"type": "array"
},
"affinities": {
"description": "Pairs of SKUs that are picked together. Used to slot them near each other.",
"items": {
"additionalProperties": false,
"properties": {
"joint_picks_per_period": {
"description": "How often the two are picked in the same order, in the same period as picks_per_period.",
"maximum": 1000000,
"minimum": 0,
"type": "number"
},
"sku_a": {
"maxLength": 64,
"minLength": 1,
"type": "string"
},
"sku_b": {
"maxLength": 64,
"minLength": 1,
"type": "string"
}
},
"required": [
"sku_a",
"sku_b",
"joint_picks_per_period"
],
"type": "object"
},
"maxItems": 5000,
"type": "array"
},
"locations": {
"description": "The storage locations available for the plan.",
"items": {
"additionalProperties": false,
"properties": {
"location_id": {
"description": "Your location identifier. Must be unique within the request.",
"maxLength": 64,
"minLength": 1,
"type": "string"
},
"max_volume_l": {
"description": "Volume limit of this location in litres. Omitted means no limit.",
"maximum": 100000,
"minimum": 0,
"type": "number"
},
"max_weight_kg": {
"description": "Weight limit of this location in kilograms. Omitted means no limit.",
"maximum": 100000,
"minimum": 0,
"type": "number"
},
"travel_distance_m": {
"description": "One-way walking distance in metres from the pick-and-drop point to this location.",
"maximum": 100000,
"minimum": 0,
"type": "number"
},
"zone": {
"description": "Free-text zone label, passed through unchanged.",
"maxLength": 64,
"type": "string"
}
},
"required": [
"location_id",
"travel_distance_m"
],
"type": "object"
},
"maxItems": 5000,
"minItems": 1,
"type": "array"
},
"return_trip": {
"default": true,
"description": "Whether the picker walks back the same way. True doubles every distance.",
"type": "boolean"
},
"skus": {
"description": "The SKUs to place.",
"items": {
"additionalProperties": false,
"properties": {
"current_location_id": {
"description": "Where the SKU sits today. Only used for the before-and-after comparison.",
"maxLength": 64,
"type": "string"
},
"picks_per_period": {
"description": "Number of picks in the period you are planning for. The period itself is yours; it only has to be the same for every SKU.",
"maximum": 1000000,
"minimum": 0,
"type": "number"
},
"sku": {
"description": "Your SKU identifier. Must be unique within the request.",
"maxLength": 64,
"minLength": 1,
"type": "string"
},
"volume_l": {
"description": "Volume of one storage unit in litres. Checked against max_volume_l of the location.",
"maximum": 100000,
"minimum": 0,
"type": "number"
},
"weight_kg": {
"description": "Weight of one storage unit in kilograms. Checked against max_weight_kg of the location.",
"maximum": 100000,
"minimum": 0,
"type": "number"
}
},
"required": [
"sku",
"picks_per_period"
],
"type": "object"
},
"maxItems": 2000,
"minItems": 1,
"type": "array"
}
},
"required": [
"skus",
"locations"
],
"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": "2026-10-08T05:40:25.634Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T05:40:25.297Z"
},
"resource": "https://handel.halowerk.com/v1/slotting-plan",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Takes a warehouse as a table and returns a placement. You supply the storage locations with their walking distance to the pick-and-drop point and, where they exist, their weight and volume limits; you supply the SKUs with pick frequency, weight and volume; and you may supply the joint-pick pairs."
}What the leaf hashes
{"body":"00920a44e06999ef9a065b574e26abb23dc67201fdc4bde9ad4ba3556a84410e","id":76192,"kind":"listing","method":"baseline/1","observed_us":1793025491762319,"prev":null,"subject":"x402_bazaar:https://handel.halowerk.com/v1/slotting-plan","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).
- 0x560f93e86a5f6d279f81b9d368e7914587a0bb863490b68f1de6d813cc6c5900
- 0xb18420f6c48994bf8757b0c215ee51bf06a55e617ff48302a30797bc61f99c03
- 0x9af4ee0a9475ab83da84ba6529a9df65f5620add1f1d55f92ac8e8595d0a2032
- 0xef47f96705901737ca82604a8f8f86023019e4fc2560828103e3b120c1af30a3
- 0x9d77f24b89535a1179168a7c362e303853bc990fc30ebb4d50ada0cb7edc74b1
- 0x68769b8472239652de437fffbccea6058f956a22c502ff5e2e2410e19a2def47
- 0xbe9383797e465ef7a7c8afad00e8b6190e011f100cae1024a163ada85196070c
- 0x1fb596b981b61aee4b56dbb9393c69c68ae669cf1c391d62b0362e93d87a6d31
- 0x0fff2a25bd55d5a83085df36a883aee1c11c8c47faa99faf78e16ce0e54dbba4
- 0x110be28c9460fde9da5777e67d467b9565876e6ebc73c8245c5d1e989797387f
- 0x014e6ac2bd09cb47ef261fa8d56392362b98c9b103bb1037674237d3604f081f
- 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae