← The evidence ledger
Evidence row 90836
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-161
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 24d905e6d1dd0028e58c02380f6f2ae0a097a631ebcbc106a8aca062173c957c
- Leaf
- 0xe6ab8b67bb7e9042a2eacd4090fce388512265ad0a9edb9310718c67ab7444a2
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-06-161"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-06-161",
"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": "Lab observations — Adjacent row changes + Keyed dataset comparison: Adjacent row changes + Keyed dataset comparison for supplied lab observations records (measurement, replicate_count). 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": "measurement",
"other": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 21,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 17,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 33,
"replicate_count": 4,
"row_id": "row-4"
}
],
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-06-161"
},
"sku": "assistant-ib26-education-06-161",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
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{
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},
{
"course_group": "group-b",
"date": "2026-10-02",
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"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
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"replicate_count": 3,
"row_id": "row-3"
},
{
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"date": "2026-10-04",
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"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
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"properties": {
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},
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
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"measurement": {
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"type": [
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},
"required": [
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"course_group",
"date",
"measurement",
"replicate_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
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{
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"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
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"type": "string"
},
"date": {
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"measurement": {
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"type": [
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},
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},
"row_id": {
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}
},
"required": [
"row_id",
"course_group",
"date",
"measurement",
"replicate_count"
],
"type": "object"
},
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"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"other"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
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"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
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"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
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},
"type": {
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}
},
"required": [
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],
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}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T00:44:00.69Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T00:08:07.561Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-161",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lab observations — Adjacent row changes + Keyed dataset comparison: Adjacent row changes + Keyed dataset comparison for supplied lab observations records (measurement, replicate_count). 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":"24d905e6d1dd0028e58c02380f6f2ae0a097a631ebcbc106a8aca062173c957c","id":90836,"kind":"listing","method":"baseline/1","observed_us":1793025525461577,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-161","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).
- 0xe6ab830d6acb26963696677fc2bb1c49979577baa03b63e2d8f04f165d28d6f2
- 0x3fdfef9d69fd13e7f956aaa52f6df80c781df04ac13b876b321b39d3c454f893
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- 0x4dd11c4dccd1973d5d88d4799c063c949db25f91f2a44983e4a4765794f0e562
- 0xd7e87d36c5a980572751ed4bb6155439d66b3e3a9653e3daec4e408677e2f3e8
- 0xb67f069997f549dffebe11206d062f814f58a015b71fd6a4cdf5dba78136c378
- 0x9787860490f0c22ccd733042fa8c7c0ebef7fe7b7b1c57c20f428deb109afc05
- 0x83a130268d0710cf9e0d0738961cfc7172401a67d090afacecd18970d03b244c
- 0x0acadf2a5ea10302cda86f39380eb997d6d096d07ca5029f10cf76e8265aa051
- 0x17252ea35c135aec37ce7f1ed706d7c9275dd2e41b9d9e8c21d84f8d686b33ff
- 0xe9a46d294851ae0e362ab741d0ad8768d3bfeeb15a9d9fcc78aae5128fc33835
- 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
- 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
- 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae