← The evidence ledger
Evidence row 759974
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-129
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7ca990d366f5d89f3f3c720bbafbdbd75547679e676b0c0543b3adb918392e2e
- Leaf
- 0x081e9f55acee49836e99ac15fd3694898916738c02d7f953bd0124a87b046e6b
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-17-129"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-17-129",
"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 — Numeric interval filter + Equal-width histogram: Numeric interval filter + Equal-width histogram 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": {
"bins": 5,
"field": "contract_amount",
"maximum": 100,
"minimum": 0,
"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-17-129"
},
"sku": "assistant-ib26-economics-17-129",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "contract_amount",
"enum": [
"contract_amount",
"bid_count"
],
"type": "string"
},
"maximum": {
"default": 100,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"minimum": {
"default": 0,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"rows": {
"default": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 30,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"bid_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"contract_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
}
},
"required": [
"rows",
"field",
"minimum",
"maximum",
"bins"
],
"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": "2026-10-28T05:26:17.092Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T05:26:16.883Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-17-129",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Public procurement — Numeric interval filter + Equal-width histogram: Numeric interval filter + Equal-width histogram 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":"7ca990d366f5d89f3f3c720bbafbdbd75547679e676b0c0543b3adb918392e2e","id":759974,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179071767234,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-129","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x081e797d9f5ac8b5ab4e2f4ba627fbad7217b67c05998058c9bcfc25e29196b7
- 0x30532ba80b171e8d492bfcb84fd877c516ac43986499b721b449362619eb6289
- 0x477392f06e538cd6e222da4f45f407dfef86fd24ac98056fd1dc3f6aaec11eaf
- 0x1e388d8f748d9a4f48f2b8a400bf48abc02bea93c475d7796d9d59ccbd77c9c7
- 0x6ba2481fbdb92306ca9ca96e21f15304dcdf782d8aecd54d5741be84aea54652
- 0x08738f6da9ad3744c652a9c7427512bb30da809cc499f5b3ebc95864d550926d
- 0x82a1cee5c1adc92ed93dc481be7efafad85417655c2da3fd29692615ba538c69
- 0x8a5c2f8b27bac21288bf94e29b596f89c083938546185920b3ddd693138775f6
- 0x6a513bd1ae75717aaf1ad54a037b7fb0a65889a1ee3cb2fc9805074a028c4beb
- 0x4af703fa6cdab716d87abc58985de9a3a8a473755638bc6a9afcac3562f675e8
- 0x5584abd14badcd73025dcce4c64aa405404c405ff91f39a427bda991a1e95b37
- 0x825b5cba69887117963e0cfd615aa74fe5ae01aa1deb0098d6b7e04e01634ba7
- 0x8dcd5f3419d7730712ce62dbc974d197b0e9c47ee96e0172cdc134c7a6bf73f2
- 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
- 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae