← The evidence ledger
Evidence row 1045661
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
- None: the first of its kind about this subject
- Body SHA-256
- f3d20b203aea4e0eb4ccab910dd781300454e079efa96e5c16c500b08091eefa
- Leaf
- 0x9372c55896198fa3319f6291cc6657a32f4154a510ba3cf2a4c84dc0f5853efe
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": "2026-10-29T17:49:19.675Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T17:49:19.439Z"
},
"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":"f3d20b203aea4e0eb4ccab910dd781300454e079efa96e5c16c500b08091eefa","id":1045661,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298795921902,"prev":null,"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 (242798 rows).
- 0x9372fc28865479cd287824baff1aa65161944e4616dec07b62be99cd92e2f97f
- 0x488c7676e62dd50f9f1c4f0468b0017896fa14272dc64546815e7e686bad3bbe
- 0xb856aa4c65b912fa027e40901eb0d6900b3b459c6474878ffc4a9bcb0e7952a8
- 0x052f768fe4f20523632d384e78a041bc133ffeb0d9c8ead2628f709c7c61d8e2
- 0x2b7c8602e4c88162594f85ccc6c3c441dde584582e674917d8ef532bbce51906
- 0xb8e7d35603b576cfc1c7d4de1d71b16be245f697ab584627455d2448d544bd87
- 0x2ebcd2abc6bccb4cef057c21c1c90147359d2adcacef1fac2f4b2610cf9dfa3c
- 0xea1cf8164c65306c4a6242eeb2882ab9fa088fef52aa766bc01c5d604ad572eb
- 0x2b9dde3833a9276009c245cc20249282d63e10cf9c25f2f11c754834e3c3a9b8
- 0xc1fb921e135a7f1f5cd8cee12d78a415f107f998ee9e69a2abc84a83d86dd6b2
- 0xf4e007de4fa1316372fbd7600c10be92504f854189c9d54c565b27e2c88ad280
- 0x8609fc5b128d23edc815ace1b1c56191c8632e3ef13cac360afeaaa5099216bd
- 0x27d0671676af363c48faa6ba6f13ccf8220db4153f3228b82faf62df6a2569a6
- 0x2b11062f499f97c836e687fbba91202ea7ff254c8f8928d683df655cd117d9ec
- 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
- 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
- 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1