← The evidence ledger
Evidence row 2248941
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-03-085
- Recorded
- Previous row
- #1049128
- Body SHA-256
- 7080a6558506dc716e29d28c88de6449faa4dc05e1825c7e72371b09daf77f25
- Leaf
- 0x61a8cbdaa13a9071083bf8b806a968eea110d0f55b8074c591307db58c77d338
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-03-085"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-03-085",
"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": "Course completion — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied course completion records (completions, enrolments). 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": "completions",
"method": "median",
"rows": [
{
"completions": 10,
"course_group": "group-a",
"date": "2026-10-01",
"enrolments": 1,
"row_id": "row-1"
},
{
"completions": 20,
"course_group": "group-b",
"date": "2026-10-02",
"enrolments": 2,
"row_id": "row-2"
},
{
"completions": 15,
"course_group": "group-a",
"date": "2026-10-03",
"enrolments": 3,
"row_id": "row-3"
},
{
"completions": 30,
"course_group": "group-b",
"date": "2026-10-04",
"enrolments": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-03-085"
},
"sku": "assistant-ib26-education-03-085",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "completions",
"enum": [
"completions",
"enrolments"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"completions": 10,
"course_group": "group-a",
"date": "2026-10-01",
"enrolments": 1,
"row_id": "row-1"
},
{
"completions": 20,
"course_group": "group-b",
"date": "2026-10-02",
"enrolments": 2,
"row_id": "row-2"
},
{
"completions": 15,
"course_group": "group-a",
"date": "2026-10-03",
"enrolments": 3,
"row_id": "row-3"
},
{
"completions": 30,
"course_group": "group-b",
"date": "2026-10-04",
"enrolments": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"completions": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"enrolments": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"completions",
"enrolments"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"method"
],
"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": "2026-11-01T20:42:34.42Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T20:42:34.01Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-03-085",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Course completion — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied course completion records (completions, enrolments). 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":"7080a6558506dc716e29d28c88de6449faa4dc05e1825c7e72371b09daf77f25","id":2248941,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647764050248,"prev":1049128,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-03-085","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x61a8c33e0ba0c22aa05e8c85599596880912d057976cdf74cdbc512d2837578b
- 0x27126f3b02bec4a26674b2a226480ace6f1654d0a3a6b155f9fa75ad2c7e378f
- 0x9130a8960384e69a1b00c32acf38dc7ed3ce315829b63b8557c1587960907be7
- 0x44713aefa58ff0061c85dbb1fd55c9efbbb0c55c7a1ce0bf48706db90503803f
- 0xb455766f6d0f5583c9f942ce644c7b047e39fc96b250ff13a94e7e981c936d2e
- 0xcd5f9b5aef115113aeeeac066cdf8763ca9a78f57de556bb41029281454b69f3
- 0x45d480e799dd552f1d1273463b897446cf97a0b62a71e6056b8300dedf87b193
- 0x85a7108ea3880aef8d29a3903836c390830b259de3b3f975a8449bb36075c955
- 0xe537035e5b520913e91d49324303c72b6d64fa67437e108b38f445b7755e2863
- 0xfd29ab934cca3a53f434c286c8796c5714ce7f9c636aab9fbfd9213b39690ad2
- 0x396a59d07e6c3bf718735cd3b5976e1b078deed3c26e8cb57113a853b51d400a
- 0x6b4875590ee8954f5315611ea1c32c35ce609ce69cc5cd56dab438a799f4f825
- 0xfcf5d9c790c40588489c41a23736feba4efc9e83eda3317c30f53a98ce8d1d89
- 0x6ae97c2bdc679e3326a739627f6c3a307d7e25e547b9bf23dbf2622fb26d858e
- 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af