← The evidence ledger
Evidence row 2652006
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-181
- Recorded
- Previous row
- #1798491
- Body SHA-256
- ccf2d74d91693918a939e01fc5dcd6198442d3f1d2c464928bef7d7b6b055250
- Leaf
- 0xb06004d9669d8e6becf8ab95d278537d93c39d26c3ab70e6b72ba502dc9ea926
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-01-181"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-01-181",
"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": "Lesson attendance — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied lesson attendance records (attendees, registered_students). 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": "attendees",
"rows": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-01-181"
},
"sku": "assistant-ib26-education-01-181",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "attendees",
"enum": [
"attendees",
"registered_students"
],
"type": "string"
},
"rows": {
"default": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attendees": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"registered_students": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"attendees",
"registered_students"
],
"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": "2026-11-03T00:32:28.671Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-03T00:32:28.076Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-181",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lesson attendance — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied lesson attendance records (attendees, registered_students). 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":"ccf2d74d91693918a939e01fc5dcd6198442d3f1d2c464928bef7d7b6b055250","id":2652006,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734850569176,"prev":1798491,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-181","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xb0602697c68c337540d0aee0a7196af05c583aced91da07ac07352f1e140bf74
- 0x9f3531155f9d96570ccd364f8b895d2028f140efb525eda1425c30e0499b9a0a
- 0x3f02f3dcbd754cc3b4b12b322e95ec3aa490ade37d6e5560e821c8b15f36316d
- 0xdf68390ddc0c8cb79de3dc3b1b83731464c25e85f97eab60eae732488e123891
- 0x4890dc87706d4f69c0b0c87ade20e4be1aa2a47773e565bef4a38faa3bf556bb
- 0x8b00dfb244a8ae3dc27761c1448e1f28c3fbf8fa9ae121354fbe57faf088773e
- 0xef8dac94983c48c1f2c72baa993af8c4e16fc2e41485f2c21905d2a4b936b227
- 0xdd5a8ff4413e146c73509033f092a3b8f9ef10a90ae81b37c01caf6f853bbabd
- 0xa8194b1787ec872977f0b5983e11f64247e2cf3f80c5a5b9e89fae9850281e07
- 0xb92bb3573fa2647eae3885690ad8d4ca02e046e1adc9e28c33178056d810ebb6
- 0xb5a90e56695057d783cdd956dbe0f7680f696f74ba9596841bed2738b79f9041
- 0xec6fa8a923f13ea0b164fc8176f0522f8cdc30e87c9d55d75b789b11053b51b8
- 0xe77cb660ad4fc9cdf06388820598606d0cfed52a41772cd9d2f56246f2635e96
- 0x11934b37b54663f98169a4c48cc2b0a60fa4a3c4018d1ce3e508ac01ae614249
- 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
- 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7