← The evidence ledger
Evidence row 90851
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-192
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d2f8e809b87372e4b23146f3cde514c5d12cde7ecaa0dc332a7170344200ad6c
- Leaf
- 0x2deeabcd22d88013d6e3c570517195e910fe33a29d53d470a900e7fbad145526
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-06-192"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-06-192",
"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 — Record quality audit + String normalisation + Duplicate key report: Record quality audit + String normalisation + Duplicate key report for supplied lab observations records (measurement, replicate_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"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-06-192"
},
"sku": "assistant-ib26-education-06-192",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"measurement": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"replicate_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"measurement",
"replicate_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows"
],
"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": "2026-10-22T12:32:42.321Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T12:32:40.231Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-192",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lab observations — Record quality audit + String normalisation + Duplicate key report: Record quality audit + String normalisation + Duplicate key report for supplied lab observations records (measurement, replicate_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows."
}What the leaf hashes
{"body":"d2f8e809b87372e4b23146f3cde514c5d12cde7ecaa0dc332a7170344200ad6c","id":90851,"kind":"listing","method":"baseline/1","observed_us":1793025525483866,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-192","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).
- 0x2dee7fdc2f9eecdfc516c7b59a6b121a95bfab7766f5e036b26ac1bef31bf378
- 0xab41f6ffb625ba6fa0cd7b1ec7d359cf19ca7395c5f092d4a4af2f23578d68bb
- 0x83615d75718d983ca7bdfb59e85c3272e3f47b6186fcf76918b0f1fbc589604a
- 0x8e5aa6faa808f8ec3de78dc1b8ec5e7f40fbd4637184c06ddedb73556ce939a3
- 0x35df4130581e7c8330cd531ae1d6385b09c37778e47d7a68ad2e84832dd7580d
- 0x7efa3006c32211246d2ec6e4daf548923c72320d2977292001aa1009b20a7268
- 0x7bc218cdd7c60fc6e01dedc13eca750b01812c70ee55e7558a467edfa353a17d
- 0xffe52944e860353d4c996881bf1004c7e55698c8e63a3220ef3d22586a47c5aa
- 0x36c7a4604aff36363924174b7e9f04643fef946b698610045ddb5b142794756b
- 0x1859ecce266f09009e2bb998b57fb91dc34a74ec4cf0a4a573732ebfec820dee
- 0x0a14d7531a251f3320f61b058ccd68e743331eaf8f3058982b949d68be76670c
- 0xf89d9951e0a8e08b9cf11177a1f4e0fd86d9facc5dfecaabbfe564675ebefef7
- 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
- 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae