← The evidence ledger
Evidence row 89457
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-028
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 59bd2ca97cd45c0a87b7dcd676ed28d2489083e92fc7b26e086b3683fcbcf626
- Leaf
- 0xcbf19fe0247a32ca1797cfb7a531727c6dc7379bbbd035291c51fbe558e3e501
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-17-028"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-17-028",
"owner_address": "0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C",
"scheme": "exact"
}
],
"description": "Public procurement — String normalisation + Trailing mean series: String normalisation + Trailing mean series for supplied public procurement records (contract_amount, bid_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"field": "contract_amount",
"rows": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 30,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"window": 2
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-economics-17-028"
},
"sku": "assistant-ib26-economics-17-028",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "contract_amount",
"enum": [
"contract_amount",
"bid_count"
],
"type": "string"
},
"rows": {
"default": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 30,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"bid_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"contract_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"region": {
"default": "",
"maxLength": 80,
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"region",
"date",
"contract_amount",
"bid_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
},
"window": {
"default": 2,
"maximum": 200,
"minimum": 2,
"type": "integer"
}
},
"required": [
"rows",
"field",
"window"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T06:59:37.709Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T06:59:37.491Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-17-028",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Public procurement — String normalisation + Trailing mean series: String normalisation + Trailing mean series for supplied public procurement records (contract_amount, bid_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows."
}What the leaf hashes
{"body":"59bd2ca97cd45c0a87b7dcd676ed28d2489083e92fc7b26e086b3683fcbcf626","id":89457,"kind":"listing","method":"baseline/1","observed_us":1793025521449162,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-028","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).
- 0xcbf19d44e76d14afc2fa349ab1089adfeffc03ac250f26e09602436c6caf2d50
- 0x2289361844c3302ed50bd76d713974a0dbea07ca790fe527ce09c73448ed7f2f
- 0xb0386b43200b5258da3eaed03dcfcbe35eda29c26cd4a13277811c794fecea51
- 0x4c2f82e2c01161d76ae4b33069e1c3cfee6e10a1611aeac791b5c76da9fb8e42
- 0x85a7d47c86c338bfe32667a90a8a29b9fd41407b83d2d2be3b8355943d667e6c
- 0x5fdd2d57811b2d236a2449c6770931c94f01c0476fa9071eea942b738676906b
- 0xba08a6ae5d6a056c2074584a0d7abc6a730451eecd82a84334164d3694a2656f
- 0x50097f72f9019614fa93d776bdc340db88d44c142495ec0a6c2e661adb5593e2
- 0x726a778fce960a500e0adbf8806224f8f312af0012d5eb4d9f9c196fb4aadd2e
- 0x271656ddeb4ac114157823f5b692e3080e2fc3456a434600ab85e26da37fbbb5
- 0x351a777a477836c8c26972f993b4d53df3d67c6acea7cef50b5038df678d6a3f
- 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
- 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae