← The evidence ledger
Evidence row 207941
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-175
- Recorded
- Previous row
- #90729
- Body SHA-256
- 12c435977bbea3f0f7088cc29afc88ad88d60484324f3ed2aa19e13268be62f0
- Leaf
- 0xc1cce73d1b5563b4c1560f89f7d13254e172bf432e5ede27cf428cd1eaea78c7
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-05-175"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-05-175",
"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": "Assignment turnaround — Equal-width histogram + Explicit missing-value fill: Equal-width histogram + Explicit missing-value fill for supplied assignment turnaround records (submission_count, feedback_hours). 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": {
"bins": 5,
"field": "submission_count",
"method": "median",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-05-175"
},
"sku": "assistant-ib26-education-05-175",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "submission_count",
"enum": [
"submission_count",
"feedback_hours"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"feedback_hours": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"submission_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"submission_count",
"feedback_hours"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"bins",
"method"
],
"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": "2026-10-26T03:45:04.354Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T03:45:04.111Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-05-175",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assignment turnaround — Equal-width histogram + Explicit missing-value fill: Equal-width histogram + Explicit missing-value fill for supplied assignment turnaround records (submission_count, feedback_hours). 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":"12c435977bbea3f0f7088cc29afc88ad88d60484324f3ed2aa19e13268be62f0","id":207941,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026361093124,"prev":90729,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-175","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).
- 0xc1ccf3d201d251e6da9b9e7a8eaedc11147f392f3a53eff5383559fd917cf158
- 0x866cd04714d3d234bda473caf390b1bba4807b092f2c2c56b57e8e2d7b1cd254
- 0xc6030d7ae71a0d2fe6ba776cf5175fe044e7c9326a88a05efc270c12d0438830
- 0xfe99e3c03b0b961b19795c12683f251bfb2ba2938de07b9485a34b90c1f3fff6
- 0xa2f1b8db56199e061fea48a42b0fc125a0b853e3891e36c012577d0089cbe4c7
- 0xc4ff82db1c2b7efab2bab18821e3cbb075c65c20df9e340e20210a24cca02d16
- 0xe85e9006f410feecf1be82b4292d4d07d2bbdda84012542d716ef3c290a9906d
- 0xaf8bd9403c226f926874aa3116ac6b8129a04774ea8b8c691732eabdc9996b8b
- 0xb2d03cb40383e11844f7bf1442a1332cabd2c046f1ad5bb4f874e104f230601f
- 0xca616bf13a5c5fdcd32227c93ae0cdf02d523b7d9e425f5f738ddefc7d481c99
- 0xeab236b8d15592c4f51859e02cc12d6b7223fc6321fdb9fa89e4d5e6edc3470b
- 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
- 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae