← The evidence ledger
Evidence row 91909
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-17-111
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8752c7fa13a82c4f02e45fffa23f2fce43bd8e2fd92b78e6a3523f93e7b78990
- Leaf
- 0x7a5c56571e3422ce64966a0f9cb495f01d4c95f51bf9a7394902f9ac551eaac7
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-17-111"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-17-111",
"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": "Rubric scoring — Category frequencies + Keyed dataset comparison: Category frequencies + Keyed dataset comparison for supplied rubric scoring records (awarded_points, available_points). 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": [
{
"available_points": 1,
"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 21,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 17,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 33,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"rows": [
{
"available_points": 1,
"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-17-111"
},
"sku": "assistant-ib26-education-17-111",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"other": {
"default": [
{
"available_points": 1,
"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 21,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 17,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 33,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_points": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"awarded_points": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
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"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"awarded_points",
"available_points"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
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{
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"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_points": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"awarded_points": {
"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"
}
},
"required": [
"row_id",
"course_group",
"date",
"awarded_points",
"available_points"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"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": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T09:20:21.964Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T09:20:21.671Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-17-111",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Rubric scoring — Category frequencies + Keyed dataset comparison: Category frequencies + Keyed dataset comparison for supplied rubric scoring records (awarded_points, available_points). 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":"8752c7fa13a82c4f02e45fffa23f2fce43bd8e2fd92b78e6a3523f93e7b78990","id":91909,"kind":"listing","method":"baseline/1","observed_us":1793025528101674,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-17-111","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).
- 0x7a5c4b52334a317b12cfbc5a2c35fbcf0cdba2b9403b0e4a4c6e1d75c785e48b
- 0x17e35e028f71c8ed2d3dbfe2fd67e663264129ac8e1727950bc75222b9af6941
- 0x6574b0512c358917db03733aabd00439106ffe3d212c6512a2186c52c642072e
- 0x055841d709cee777b92348ea9a2e1b7ba33a526ddb5d86eb1b5f186fbaa059f6
- 0xec6b8b3a346fc9825d41eb0d5d8e7e1c294359779818032150eef035809b708d
- 0x46a8db763eebf65e0cf23bbd60d9d74d21a0e04a2fb1e6a67a69710469feeee2
- 0x630459727c21bdcf552bf170719b05b1b5d67ea23ac17fe6ac8a028b982e2e46
- 0x0aa0f4f9d57c12a01edc437ac8a81ebb48809801d8df8f2a7263fb62ce0343bd
- 0x4a5f24de43215ab4d4d63b885e82341f9af2f4b6cdcaaa7b5e53c2a252e14c23
- 0xd7bfe89d1c95d31c83b5cd958ac57e187ca41d9a64c12c75ed199d276c80aa6f
- 0x1474b20023ac420a3be8200f14f9ac14f1ee93ff05411fa3760c28b2e50fb3dd
- 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
- 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
- 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae