← The evidence ledger
Evidence row 431421
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-141
- Recorded
- Previous row
- #209890
- Body SHA-256
- 840a4cc62296039844b3af08036e6a5d79877fd98e078995ec9043afd1784cf0
- Leaf
- 0xab7e3014b1bc00cf17ef7e79c02191e3f76b291963ff9c25557868fc1881be2e
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-141"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-141",
"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": "Assessment item observations — Daily sum series + Two-measure correlation: Daily sum series + Two-measure correlation for supplied assessment item observations records (correct_responses, attempts). 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": "correct_responses",
"rows": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 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-02-141"
},
"sku": "assistant-ib26-education-02-141",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "correct_responses",
"enum": [
"correct_responses",
"attempts"
],
"type": "string"
},
"rows": {
"default": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attempts": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"correct_responses": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"correct_responses",
"attempts"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field"
],
"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": "2026-10-27T07:26:18.084Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T11:50:36.259Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-141",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Daily sum series + Two-measure correlation: Daily sum series + Two-measure correlation for supplied assessment item observations records (correct_responses, attempts). 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":"840a4cc62296039844b3af08036e6a5d79877fd98e078995ec9043afd1784cf0","id":431421,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086532597132,"prev":209890,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-141","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).
- 0xab7e2a82b80097a646543a4b3e570282a2080b809f45cccafc421a9a7cc891ea
- 0x05be7146725ac665ab71500130229bebdbca4a32f220d75924350c40fd18c878
- 0xb9a6d4849a0e6ff7577df445a13044543672d4b97d42915f69545db408255e48
- 0xe30084a56a8d6a0643e1e1bbba4c4e8c2e2b280c004fa2ab74353eacccda788e
- 0x810e9874fc5e092502ceca3281f5a74df6eea6bbfe81db1b32dad23d6e396f8d
- 0x4b0d016610afe60b5de0bb1e09df03507b21a37f653df29c2a52c82d15f2703b
- 0x3b6f753636b62861b4a28c3109d8f9ff79ae226cc7f4b3e8f4a2dd456c16388e
- 0x4f1c9f83be6bb1a616da071f3f8af015ccd2aa463ccdd3b7a60f170331a68b5c
- 0x8e3e9fcb61e0d1220281c20dd9ab84d28834ba04c9064ab60eb52af589d5c55a
- 0x4cbda852ccf1b96ff7c1de04eb698405e76be19d87a3deb7262011796e29b6d7
- 0x59cb41ec7d9ac9c74e0f576f6d9ea1041f1f440ad9c2ec9f6107b51d598a3ef5
- 0xe58ece954b3b0e80c16db5967815baeb4102983fd3dbc48dbb6146da839f558b
- 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
- 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
- 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4