← The evidence ledger
Evidence row 88594
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-08-181
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b6092952778604cd3eb4cd3f30619701f9127b44f0c2df557735422f3dba43e4
- Leaf
- 0x349ba9939baeb29fc6d9395ab44cfbb34a3fcac628062d862739ebc550ea3cc6
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-08-181"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-08-181",
"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": "School capacity — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied school capacity records (enrolled_students, available_places). 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": "enrolled_students",
"rows": [
{
"available_places": 1,
"date": "2026-10-01",
"enrolled_students": 10,
"region": "group-a",
"row_id": "row-1"
},
{
"available_places": 2,
"date": "2026-10-02",
"enrolled_students": 20,
"region": "group-b",
"row_id": "row-2"
},
{
"available_places": 3,
"date": "2026-10-03",
"enrolled_students": 15,
"region": "group-a",
"row_id": "row-3"
},
{
"available_places": 4,
"date": "2026-10-04",
"enrolled_students": 30,
"region": "group-b",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-economics-08-181"
},
"sku": "assistant-ib26-economics-08-181",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
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"properties": {
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"enum": [
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"available_places"
],
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},
"rows": {
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{
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"region": "group-a",
"row_id": "row-1"
},
{
"available_places": 2,
"date": "2026-10-02",
"enrolled_students": 20,
"region": "group-b",
"row_id": "row-2"
},
{
"available_places": 3,
"date": "2026-10-03",
"enrolled_students": 15,
"region": "group-a",
"row_id": "row-3"
},
{
"available_places": 4,
"date": "2026-10-04",
"enrolled_students": 30,
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_places": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"enrolled_students": {
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"type": [
"number",
"null"
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},
"region": {
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"type": "string"
},
"row_id": {
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"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"region",
"date",
"enrolled_students",
"available_places"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field"
],
"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": "2026-10-24T22:18:39.922Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-24T22:18:39.678Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-08-181",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "School capacity — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied school capacity records (enrolled_students, available_places). 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":"b6092952778604cd3eb4cd3f30619701f9127b44f0c2df557735422f3dba43e4","id":88594,"kind":"listing","method":"baseline/1","observed_us":1793025519347470,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-08-181","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).
- 0x349bab1a977f0a354fcd3b878bb829a42b0521ef080f42236afef2a3201f4c2e
- 0x3bb028d586926973a104143139c803792b07dc9415cbaa2ff160478f5ddda377
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- 0xe9cdb7fd0dc6ebe18d2d277381c18fa3fa60eca73375920a7014de747f4bc224
- 0x3db58441973e43246ef162ee8adec0da50ea070379826e11e753ccc33d1a589e
- 0xf1246bfeaccff648b8930d97e2920031faff2e7c6a7a9f064b250afe349bfd2a
- 0x2a05c3c6d5f199e09eb71c174de929022a92544d824d1591646bf4488806d198
- 0x3537bcc0126ddadc2e072f30c37b0f6cb1dbefbeae94bf944efdd820414ab30f
- 0x852ba002507b16449e45904851c68e7f0b59aa6069ac1ae74dc557389e7c7646
- 0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de
- 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
- 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae