← The evidence ledger
Evidence row 417008
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-161
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1a7414c923b85111b0831b33b4f2fadee4808dae2efd47fadbb13a5be466ea36
- Leaf
- 0x8289a6e9c0e154fea4af92553291e2bd5fc4ab1656bf8ba52044991f5971219b
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-17-161"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-17-161",
"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 — Adjacent row changes + Keyed dataset comparison: Adjacent row changes + Keyed dataset comparison 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",
"other": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 21,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 17,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 33,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"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"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-economics-17-161"
},
"sku": "assistant-ib26-economics-17-161",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
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"bid_count"
],
"type": "string"
},
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"date": "2026-10-01",
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},
{
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},
{
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"date": "2026-10-03",
"region": "group-a",
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},
{
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"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
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"properties": {
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"minimum": -1000000000000,
"type": [
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]
},
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
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},
"row_id": {
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},
"required": [
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"region",
"date",
"contract_amount",
"bid_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
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{
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"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": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"contract_amount": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"region": {
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},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
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"region",
"date",
"contract_amount",
"bid_count"
],
"type": "object"
},
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"type": "array"
}
},
"required": [
"rows",
"field",
"other"
],
"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": {
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}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T02:32:53.74Z",
"quality": {
"lastCalledAt": "2026-10-27T02:32:53.74Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-17-161",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Public procurement — Adjacent row changes + Keyed dataset comparison: Adjacent row changes + Keyed dataset comparison 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":"1a7414c923b85111b0831b33b4f2fadee4808dae2efd47fadbb13a5be466ea36","id":417008,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080844678234,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-161","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x82893346f6b35571abaea305b3b2e1a7cc71e1d0515114e0078e46f872ae87e2
- 0x202716f3644d1524c397cedcc1d5f8348216346cea3fe08cf26edb173accb8cb
- 0x709a4259235d2ee21c03ef6c9ebe386882844b42f608630a11b6ddbf2f976f0a
- 0x88fa5995a345d65d622f63047e8fcf214f11841194f90cf8586fa3a6346b7aed
- 0x1e58baae524abf69a20d240e9d2647329dd9638da39e339c0502f80fb35a5419
- 0xa73ba84e27a6cdefd2e90a7bd7fb28c66e02a16fa9c3232f001cf5a0fd8877a6
- 0x27d2a131e2f8b3ee625ac03fac1397e506a5124dd7813e90854e685c3e5aa33f
- 0xa0834dd0de5596bc9346f713cc3a704677a591dab26f835e591785c43217fdca
- 0x23a70c3fd93ac9025f8bdf387dd8d0ee8396e6b346efb875bf103ff177f36f4c
- 0x9368aeeea92a5b7727b76a64fa19e2daf90ffeaa9c3f4d373471447448b8b5f6
- 0x164039927a75bda6275a106556896901626c20428ab1c29de73c4cd508bb0969
- 0x4cf7b6120bfa84e107b8f1b7be613b553fa250042dc0db95890566416a94d682
- 0xe38e66e8bf48306ee42504c4df50c2052cc9230af02e2ae6ff66da20232bf797
- 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
- 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
- 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4