← The evidence ledger
Evidence row 1049128
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
- None: the first of its kind about this subject
- Body SHA-256
- 2faf0a23e7c53fbba5b8614ebad8e031ee9522bf9e631d03b5f29e04da1f4d98
- Leaf
- 0x5b8c413b2ad30632b4a8a051823180a5097ec904e0aac5fe1b866ac2c1872ec0
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": "2026-10-29T00:18:47.596Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T00:18:47.367Z"
},
"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":"2faf0a23e7c53fbba5b8614ebad8e031ee9522bf9e631d03b5f29e04da1f4d98","id":1049128,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298837450360,"prev":null,"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 (242798 rows).
- 0x5b8c1ac5f1df0baa70b050c5f34a031332b0a4bfd3969e1e97cf351c9c50378a
- 0xa608c0fd633e8ec139f4be944eb9033cc542dd1a943c6b00964c7c7a41e15a2b
- 0x27858d1a25abd556ea9fe26cf58666c9db64c085dbea1c95b559a2ff91d0fb9c
- 0x4a142e1ff6c0815726a2efed59d123ab93495df93393953ae43b8a1e951ff50b
- 0xfbc1271a1b2c05ce94e150550dcbd38d7425ca42fdbf7e0ac54a0200fdfbde61
- 0x63af82ee997bf5d2c6ae5267917222f3de1fe8452148685e6acdcb068879c6fc
- 0x3cd12813d5dea14776cc6ae70956dbc2052c569a06f1cd2b099e145b3f6a14ff
- 0xe5e1ca0f7f1cc7cb989d40b2a9a0ce5eeda34c05b841e347b56206bbb5ed0841
- 0x79375f99402702426dd3c0343f9f0392d5f0ff3d86d48d5e6072386a79445712
- 0x9237057b0da6596872f424603edb55d6268de59bf6ce5add115bba6ec052e7c9
- 0xf6e558a1bc11ea09fa2b7ee50f97faf75b60ea0f8962cd2d028e479558315dd1
- 0xf2cc4729510632c771067538b85013ba091033492f737a7205b9fdcf15a8d172
- 0x03bcddbafdd5c3b2cfd0ed77db8b385d1daefb8582c49039e5b2d78c95e4b697
- 0x3f2650fbc651fa3eec11adb4b123cd97e6e8054668be9e574fb88fd72c05303d
- 0x5c72917224317e5d0d7a0d4ada19337530fcd8b513d6fc46866876f7844efe17
- 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
- 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
- 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1