← The evidence ledger
Evidence row 2663338
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-091
- Recorded
- Previous row
- #1799814
- Body SHA-256
- b3d8f371afaabad56ca34acc2812fa54fdc0c0111eb609b87ae895336328c980
- Leaf
- 0xfc3a26cf78560499c0592af825c6c02825b58cd0db19b591c554863da95074af
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-091"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-091",
"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 — Grouped numeric summary + Adjacent row changes: Grouped numeric summary + Adjacent row changes 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-02-091"
},
"sku": "assistant-ib26-education-02-091",
"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": "2026-11-02T22:40:18.257Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T22:40:17.944Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-091",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Grouped numeric summary + Adjacent row changes: Grouped numeric summary + Adjacent row changes 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":"b3d8f371afaabad56ca34acc2812fa54fdc0c0111eb609b87ae895336328c980","id":2663338,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793735071469437,"prev":1799814,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-091","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).
- 0xfc3a3c87779e400664e4e46da432f2e3a1b622f3b383a6d4f37a7d947b71b58c
- 0x49160810853ad95d23418b8691ab979e6679a109404496a0b64918c34ed684c3
- 0x822a627c38dd34d3634f340ddf23004fd69e777f221a8f0ea01119ef447f9607
- 0xe56e8b7549bba6deb61a59ee59bfed9da52542225acb3a0a2462f02b60721cc2
- 0xe36dc410240a4972646f23a732c9a51348c066183e622f46a394901a2aed946e
- 0x617a6faedbeed25237f3903a26372c1340feeefe3c7c261c263d9c72d745c53c
- 0xf6e56a6d80745df7fee5e39cf58c640ca41301bd1f6b3069e0e8970bfe21bae6
- 0x38a07c2095520411002d1112d175faabeb98b0c37daf1e25fdc1ab5d0c41f5fc
- 0x16ebb0a455d085d35bea7b67fd0d639d46e7d4c5fb82b5373926421a897b4b1e
- 0x97267021c94e935e061b05cb25d89e276fa2dbeb9e90180020cde194f56e9ef8
- 0xed22ad04dde0ba43bc33ed0b6313bb55d55b9d56e855a3d279206ca09259931e
- 0xcab7a6e31d37510b5b0dc721cc4f39483e1f87d2a170cfd38163f538e19c8c31
- 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
- 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
- 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
- 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7