← The evidence ledger
Evidence row 790865
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-064
- Recorded
- Previous row
- #764798
- Body SHA-256
- daa54572eaae1e99769a5e47755d415cf0b7fb0b7f070326d74df9fd74686c17
- Leaf
- 0xdf563b23a4a5d2f488ca67173177ea81940ea7c6053909ed5c1d006d105c8951
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-20-064"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-20-064",
"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": "Research grant spending — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram for supplied research grant spending records (budget_amount, spend_amount). 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": "budget_amount",
"rows": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-20-064"
},
"sku": "assistant-ib26-education-20-064",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "budget_amount",
"enum": [
"budget_amount",
"spend_amount"
],
"type": "string"
},
"rows": {
"default": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"budget_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"spend_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"budget_amount",
"spend_amount"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"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": "2026-10-28T08:17:34.461Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T08:17:34.224Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-20-064",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Research grant spending — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram for supplied research grant spending records (budget_amount, spend_amount). 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":"daa54572eaae1e99769a5e47755d415cf0b7fb0b7f070326d74df9fd74686c17","id":790865,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211599543770,"prev":764798,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-064","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).
- 0xdf55fddad0224b3ff59e85c04098ac53e54b53bf9cacaf5848e2432fbff3ceb7
- 0xdb4f36dcf428b15f331e4cf08ac9a346873aca15dedf494c63dd2754bf10c566
- 0xe96798af5e4ec545ffc648123c3097ad0479646331d43a166f81113434f2e1a7
- 0xa4da9fef4e536f5b48644552e4602d217e51ee55a75659d5361c64db44b907f4
- 0x18316c2546336f7335b046838c4096039801840ecc023626771903c2e6b234b3
- 0x0fd2ff1a0d3b329952e13be47ff369e91fb6dda7deb3efc8115f1ea025a179e8
- 0x257dda3886c5f52d62d5e6a1802543eb255f3c00158514bfcc8de6dc44733faa
- 0x65b32c6e2ce63bbe1bdd98a04878ba77214b546bba3982b0c5b716e0acfd463d
- 0x5b494e2c09183197b54d8f630370ddfbc8b11c2967921ae256ffe1750d404f2b
- 0x28233a6705eae1155518c1d5fa43eab3d11547f6e54901df749907f5a68ddba5
- 0x4b7edc4f42789b4eb5d7af5354a74dcebad408a188608860a16ae190bf7eb544
- 0xbe2386daf706dbc96aa6f136a94a21b056120ad697ee1ab8cb522ad0900b3ea6
- 0x79afb902f1839260cbf1ac61901b69548a18da2fafc9b65bd4dea5a65cd3ea7e
- 0x4c91c1a674a62931ce621a521121f13a2bd017a2cbd5ae2510623cd559d36663
- 0x334629b51e7dfb2339fa4fd14202e288d70dbaccb3e5b04d2d5fb8f0d489ce5e
- 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
- 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae