← The evidence ledger
Evidence row 2661268
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121
- Recorded
- Previous row
- #2222228
- Body SHA-256
- d53aeb1002eaee4c84a3532d0a31cfaf5882d7fc3fbd6e9eef9109a609ee256d
- Leaf
- 0x6308e16f08adf64284ac4576d7f125e0737947c2d62fd8524c0ee79b052515c9
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-121"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"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 — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean 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-02-121"
},
"sku": "assistant-ib26-education-02-121",
"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": "2026-11-03T04:55:59.857Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-03T04:55:59.329Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean 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":"d53aeb1002eaee4c84a3532d0a31cfaf5882d7fc3fbd6e9eef9109a609ee256d","id":2661268,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793735030475516,"prev":2222228,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x6308cc76a1d3999f2e551709f32a39699f41e75e9380e0f6b3fb47dc00fdc25e
- 0x38b992648bf901f6565f1a3d679c5ca13cedf564517fa87a905054fdcc03ca68
- 0xa7494f0b51aa45970d82f79329d2161ee11b6792aeb39046e6b578c79f79c25f
- 0x031e55f7076c75fc5f28330b9dc9402cc93e762fd26b8890d62fe2551e811fbc
- 0xdd4ea2d3a49500b5074682d9c1bbc459301580cba479e75a15c689b91796b249
- 0x9593fd026eecba6b6e76e3039147e939cea56094b5d4a0009b1de721a9dae78f
- 0x0a98e0373f9a5ad93381ad0c5741b191d019b2804a51f2b1cee0ef3f8c52e72c
- 0x5e2ade0cdb6a17962cf81118cadc850e6cf4b69b4bd3fe126a0ba2a640b77f1c
- 0x73c02b0c5aeae79d2010c549b2d2ca3794ca45916d33e22e458b527e1c2f60b8
- 0x4225164818bd9e12ca59c7259e00cf639a96bf9e268cc3b3ae64e6737baa643f
- 0x138d9878c409be740a9266ed7c815a21c5ab39fe9c1d60380b62f2003ac938c6
- 0x9e1a291abc134f2f4b03ec8cdf7eb3a9ec9b04abd42813940f072904597540f8
- 0x935aada10f117485a9e2b905a05d3c89c0ea4c0d9218f126f2818246c6d7a5f8
- 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
- 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
- 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7