← The evidence ledger
Evidence row 218682
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-niche-briefs.fly.dev/v1/bom-cost-rollup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8dbd95f9dd11b58cded999af15f2c1486cb61a6daca9c1924d164ef0e6ca8966
- Leaf
- 0x5282c574c2d8e9433e44e6e25735b748fa7d020a8a2d8a0f6dc2a1f18fbceca2
What was observed
{
"endpoints": [
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/bom-cost-rollup"
]
],
"name": "BOM multi-tier cost rollup",
"owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
"scheme": "exact"
}
],
"description": "Roll up material, labor and overhead with scrap.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"labor_min": "18",
"labor_rate_hr": "22",
"materials_usd": "12.4",
"overhead_pct_labor": "120",
"scrap_pct": "3"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-10-25",
"input": {
"labor_min": 18,
"labor_rate_hr": 22,
"materials_usd": 12.4,
"overhead_pct_labor": 120,
"scrap_pct": 3
},
"labor_usd": 6.6,
"overhead_usd": 7.92,
"unit_cost_before_scrap_usd": 26.92,
"unit_cost_usd": 27.75
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"labor_min": {
"description": "Labor minutes per unit",
"type": "string"
},
"labor_rate_hr": {
"description": "Labor $/hr",
"type": "string"
},
"materials_usd": {
"description": "Materials per unit",
"type": "string"
},
"overhead_pct_labor": {
"description": "Overhead % of labor",
"type": "string"
},
"scrap_pct": {
"description": "Scrap %",
"type": "string"
}
},
"required": [
"materials_usd",
"labor_min",
"labor_rate_hr",
"overhead_pct_labor",
"scrap_pct"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"input": {
"properties": {
"labor_min": {
"type": "number"
},
"labor_rate_hr": {
"type": "number"
},
"materials_usd": {
"type": "number"
},
"overhead_pct_labor": {
"type": "number"
},
"scrap_pct": {
"type": "number"
}
},
"required": [
"materials_usd",
"labor_min",
"labor_rate_hr",
"overhead_pct_labor",
"scrap_pct"
],
"type": "object"
},
"labor_usd": {
"type": "number"
},
"overhead_usd": {
"type": "number"
},
"unit_cost_before_scrap_usd": {
"type": "number"
},
"unit_cost_usd": {
"type": "number"
}
},
"required": [
"input",
"labor_usd",
"overhead_usd",
"unit_cost_before_scrap_usd",
"unit_cost_usd",
"as_of"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T11:04:10.212Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T11:04:10.036Z"
},
"resource": "https://x402-niche-briefs.fly.dev/v1/bom-cost-rollup",
"serviceName": "BOM multi-tier cost rollup",
"tags": [
"supply-chain",
"manufacturing"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Roll up material, labor and overhead with scrap."
}What the leaf hashes
{"body":"8dbd95f9dd11b58cded999af15f2c1486cb61a6daca9c1924d164ef0e6ca8966","id":218682,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026639953835,"prev":null,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/bom-cost-rollup","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).
- 0x5282c614516c0f4aa02f43daf1162333a3b9afe1ecf7ac86c0de76dc8b6846cc
- 0x2c1ab45cf81875a4c640e09311d5b7f9ccf5445cdc87baf0647fd01ef8b55f5b
- 0x6e0adef2d278f467919d4d71899b5bf76c0a961bde9e6b94d618e4873a200ef6
- 0xc4c14d1bf5d7e085532b82625367fe5e13b9abf908870b9854d9fd3ee8db2677
- 0xfde812cd172fa685e1af139bf6d69c932a6e2a467566318609a416c41b47551a
- 0xad30be62872689c9ebd55d9e3c798ce5c2f830aec04d948ce1029ba7d4df2d3f
- 0x07b79d0ba957465f3eebd640c2656ff073f73b5c84ed6ab0cd68c8454a690c24
- 0x270742d4bc7ec820e09c9d3b05a036e298a361eaad5bc8beb0ddebb292270bfb
- 0x3607751c77b1cabe074486d0fd53659a0e321fb7a8fd3bf133eaa6801af9c112
- 0xb8b1a249955b6487f765c3f074e474715f38edf3720c5c3ca9427be80aba6ea5
- 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
- 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
- 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
- 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae