← The evidence ledger
Evidence row 90902
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-07-104
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1c969c1907c53bc906ecf7bbdb7922627e872b992a7146b2516421b825f8a78c
- Leaf
- 0x042113b172d541c6fdda060a26a5962397216a1f4c04c20deef93a06efa07c24
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-07-104"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-07-104",
"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 — Category frequencies + Adjacent row changes: Category frequencies + Adjacent row changes for supplied research samples records (sample_value, sample_weight). 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": "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-07-104"
},
"sku": "assistant-ib26-education-07-104",
"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": "2026-10-25T08:09:21.527Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T08:09:21.333Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-07-104",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Research samples — Category frequencies + Adjacent row changes: Category frequencies + Adjacent row changes for supplied research samples records (sample_value, sample_weight). 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":"1c969c1907c53bc906ecf7bbdb7922627e872b992a7146b2516421b825f8a78c","id":90902,"kind":"listing","method":"baseline/1","observed_us":1793025525545264,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-07-104","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).
- 0x04209e2805ec781de1e08a5f36ec867a6b5ee84fceb37aa366dc538b7cfe9521
- 0xea476d209e43b61f98b202375a4b6a191aa0e7e7bb3e6786adf218dfd3760f96
- 0xe963305ce71369037890654a984d36509232850e25a509ce3818a3338c82286f
- 0x286eadf183869ec49f927dad24909b16a2a8e6604bea092d0cea95904e23804e
- 0x1657bbd8470a1cd8a5e8dde89dbbcadb65afb6a3a35ade0d2026561197bdf5f7
- 0x178dc48356494b197681853b1b2abb09d02a0326afc67407e0a5299006d4342c
- 0x1c754d919379cde06e37ca28ee07a21a8a1c47d4ce1b93c7278435b079f65994
- 0x59ce2c0a0339e7340ba5fe737b811d5a00af63230c9980e0eed6619c1bd2b708
- 0xd78e00fa1d778becb725175fd7f00b0f161a35f4a02784eb7f7e1d11bd776a02
- 0x28efbda3043fe0ad6931419f72618781ad3b289c046ef258b300ab314d01bde2
- 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
- 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
- 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae