← The evidence ledger
Evidence row 1277319
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-033
- Recorded
- Previous row
- #1045661
- Body SHA-256
- 146da79a7088f0d532fd9a3fb6323e728ac69c5e4d67ac32f47ed32b606e063d
- Leaf
- 0x637a1ae10c102bf18a7388d4389e98f31541b92a7fec664abdb1ecbb5331bbef
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-04-033"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-04-033",
"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": "Reading activity — String normalisation + Two-measure correlation: String normalisation + Two-measure correlation for supplied reading activity records (pages_read, reading_minutes). 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": {
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"pages_read": 10,
"reading_minutes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"pages_read": 20,
"reading_minutes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"pages_read": 15,
"reading_minutes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"pages_read": 30,
"reading_minutes": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-04-033"
},
"sku": "assistant-ib26-education-04-033",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"pages_read": 10,
"reading_minutes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"pages_read": 20,
"reading_minutes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"pages_read": 15,
"reading_minutes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"pages_read": 30,
"reading_minutes": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"pages_read": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"reading_minutes": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"pages_read",
"reading_minutes"
],
"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": "2026-10-30T02:03:31.765Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T02:03:31.572Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-04-033",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Reading activity — String normalisation + Two-measure correlation: String normalisation + Two-measure correlation for supplied reading activity records (pages_read, reading_minutes). 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":"146da79a7088f0d532fd9a3fb6323e728ac69c5e4d67ac32f47ed32b606e063d","id":1277319,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385875656361,"prev":1045661,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-033","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0x63799265485f6e5a0de64a743e63626a00cbfde546249850a2482f409690455b
- 0xc0991166961ea2fd673d1c7129709e87a28b1824a361f82ac383b467aa40a57f
- 0xeef141c6f77662918663f0afabeebf1e30c94d7d234783a6459f15a4bafba182
- 0x798c535c52d98d4f1cc72bf57fe330eff2539bec8432f5a56a7f7f58cbcdaebd
- 0x81b9fa01fde189ae92c40060c98150db3cd5f3c92fa096a16b8253903e34eb85
- 0x4a17244e0e14e83f4c00c3a07c1a4d90f008fc71355612894c78e9c7b4e4dd83
- 0x44806adf287296102c447e5c9f1b6e9eee122a17dd8530d72935b0bb71ba56bd
- 0x55b9941bbbf98a1ac12b1c455cc573bef4854fd8e5099f7fef931e59fc7e898e
- 0x4beb5235c43506cf99962accf3502cab307d079fd00130bcbb2506864d6b9094
- 0xee18a20d08a35f6d12c270d29ba0c175854703808d2bfd3b34b0107c40e9c012
- 0xb083831c69778dc18fa11ecffbb577249d24650eab65170f9bc375d54eeda29a
- 0x3af23ab148f0bbaee09307fb949963ba200b63c08464f0ff3807500afab9898f
- 0x71866e46af973a0dfdc12482585dfcdbcf016f95832fc06f75f5454e82088a3e
- 0x863694f188c4b3bb5062c468823f130a2c1762c9b6bf2ce9a68fd27f465427d0
- 0x7ecc532de10b728de98de2eb2a81fbd8da2254ff32b38b6ffde14af9964fc470
- 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
- 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
- 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861