← The evidence ledger
Evidence row 91992
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-069
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3cb0b416391e94d56690ff7ce25d0f7f03cd8a5b33e2eb20e8ce00a884dd30be
- Leaf
- 0xd9b2a0f6a0f3f4dee5694b5fb68de6854f9f9757a92e0104794e3a946904f672
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-18-069"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-18-069",
"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": "Question bank coverage — Duplicate key report + Keyed dataset comparison: Duplicate key report + Keyed dataset comparison for supplied question bank coverage records (item_count, objective_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": {
"other": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 21,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 17,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 33,
"objective_count": 4,
"row_id": "row-4"
}
],
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_count": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-18-069"
},
"sku": "assistant-ib26-education-18-069",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
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"properties": {
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{
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"objective_count": 1,
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},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 21,
"objective_count": 2,
"row_id": "row-2"
},
{
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"date": "2026-10-03",
"item_count": 17,
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"row_id": "row-3"
},
{
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"date": "2026-10-04",
"item_count": 33,
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"row_id": "row-4"
}
],
"items": {
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"properties": {
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},
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
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},
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},
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},
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"date",
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"objective_count"
],
"type": "object"
},
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"type": "array"
},
"rows": {
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{
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"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
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"type": "string"
},
"date": {
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"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"item_count": {
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},
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"type": [
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},
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},
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"course_group",
"date",
"item_count",
"objective_count"
],
"type": "object"
},
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}
},
"required": [
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],
"type": "object"
},
"bodyType": {
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"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
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"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
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},
"type": {
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},
"required": [
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],
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}
},
"required": [
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],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T02:46:10.858Z",
"quality": {
"lastCalledAt": "2026-10-26T02:46:10.858Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-069",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Question bank coverage — Duplicate key report + Keyed dataset comparison: Duplicate key report + Keyed dataset comparison for supplied question bank coverage records (item_count, objective_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":"3cb0b416391e94d56690ff7ce25d0f7f03cd8a5b33e2eb20e8ce00a884dd30be","id":91992,"kind":"listing","method":"baseline/1","observed_us":1793025528237130,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-069","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).
- 0xd9b2922addef0e0427fed2262c6b35a5edda9759271cf446ed6439b0a9859ae1
- 0xb21a3b04d1202836aa8fb026bc3a15cbabe0d8de6ffce4122f8bf44925a09270
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- 0x04d2122ed34e014831f8bcf15514b3c8655d2e921a1cfe050044fd565aff64ea
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- 0x981217e38447eaa60395e76a6314eaa994a3d9c378541745c5447757bfa1d5c5
- 0x99ae804a413b4307bd4811ed9042b6bf49ad169040514fa94bb1c7039a09dd2c
- 0xae0783d423815cf4c5e7c10904ca1d9501536e43a32443b67a1fd2dca7b96869
- 0x60b48a1bcbe1b49c2b79abc9db170c07e64ed7296971e4a62ed6c2c279c87576
- 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
- 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
- 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
- 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae