← The evidence ledger
Evidence row 90955
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-07-213
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 85ae6a9b5c1e53e1a0363346d092843d0f5284156f559ab5307fabeb8952f193
- Leaf
- 0x7591aa84b5a49ab4eef78d7abcee3a3afd9c3c496a97f74a66db5431d387b03b
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-07-213"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-07-213",
"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": "Research samples — Record quality audit + Exact row deduplication + Numeric row ordering: Record quality audit + Exact row deduplication + Numeric row ordering for supplied research samples records (sample_value, sample_weight). 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": {
"field": "sample_value",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"sample_value": 10,
"sample_weight": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"sample_value": 20,
"sample_weight": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"sample_value": 15,
"sample_weight": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"sample_value": 30,
"sample_weight": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-07-213"
},
"sku": "assistant-ib26-education-07-213",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "sample_value",
"enum": [
"sample_value",
"sample_weight"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"sample_value": 10,
"sample_weight": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"sample_value": 20,
"sample_weight": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"sample_value": 15,
"sample_weight": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"sample_value": 30,
"sample_weight": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"sample_value": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"sample_weight": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"sample_value",
"sample_weight"
],
"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": "2026-10-26T01:39:02.27Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T06:52:18.385Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-07-213",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Research samples — Record quality audit + Exact row deduplication + Numeric row ordering: Record quality audit + Exact row deduplication + Numeric row ordering for supplied research samples records (sample_value, sample_weight). 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":"85ae6a9b5c1e53e1a0363346d092843d0f5284156f559ab5307fabeb8952f193","id":90955,"kind":"listing","method":"baseline/1","observed_us":1793025525608132,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-07-213","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).
- 0x759161882d70f91ce9df4962a36b118567d9ca886f8d1cc3ee61104e2ced0279
- 0xe0635d9e98711ac9f24509d1b69c40216ad5a2a8857ea7be40be8d297b107a54
- 0xd7b318ff33c723f3ad4619a5e4b9cb905329a31b7fb475b496fd9002ddaf2c8b
- 0x206d380241b24d04424aa0bc3f838fc41f2bb13e18927b8ef165794e3f5815f4
- 0xcbfe6db7792d3ab014d5c11ddc49b55621f481705db7be191f539efd75e8f8e9
- 0x92a48f0f22747a748ea03b629dc0b18925a8ec51621a0052b9ee8570d9bb9b7d
- 0x21ba10e1a211cf857aceb183b1da5934e3054523897ed571e725ee8e9b8d766f
- 0x0a2559f1905977cce6e163161d8d95a75eada3daae878a93691642bdfc3b4e13
- 0x528dd18f50b92eaed3d5ec141250b283a7673bd8a60d7bab710c19253b03bfda
- 0x32fc3b4924b2ed62acb146c2238d1a5ccc6a451511d89297319be57be5e16c50
- 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
- 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
- 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
- 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae