← The evidence ledger
Evidence row 91548
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-186
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b13c3475a098c04ad4a10f632e882b89ad42d835085520e7649979ef8cd73aa3
- Leaf
- 0x7b9247a38dfb209cc0e75e1a0ccee20f83fd32e4cc2842ca3f3e216b2236fd14
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-13-186"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-13-186",
"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": "Experiment run timing — Secondary-measure weighted mean + Keyed dataset comparison: Secondary-measure weighted mean + Keyed dataset comparison for supplied experiment run timing records (run_seconds, sample_count). 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": "run_seconds",
"other": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 21,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 17,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 33,
"sample_count": 4
}
],
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-13-186"
},
"sku": "assistant-ib26-education-13-186",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "run_seconds",
"enum": [
"run_seconds",
"sample_count"
],
"type": "string"
},
"other": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 21,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 17,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 33,
"sample_count": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"run_seconds": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"sample_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"run_seconds",
"sample_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 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"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"run_seconds": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"sample_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"run_seconds",
"sample_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"other"
],
"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": "2026-10-25T06:59:42.357Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T06:59:42.168Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-13-186",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Experiment run timing — Secondary-measure weighted mean + Keyed dataset comparison: Secondary-measure weighted mean + Keyed dataset comparison for supplied experiment run timing records (run_seconds, sample_count). 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":"b13c3475a098c04ad4a10f632e882b89ad42d835085520e7649979ef8cd73aa3","id":91548,"kind":"listing","method":"baseline/1","observed_us":1793025527324607,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-186","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x7b920f4f809384a932c34601b1b76ef53a21adb44b21edbb0c274f1ffbec45a3
- 0xada3675755dde6c7596b64618172f5aeed36833a300cbe7359ad9767165d19b9
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- 0xa27540a190cf30383dcea22500f01056d03d20d5c3dda53e3ea8cffdd9b5bb9a
- 0x445bfcd9fccea3349bbdc270c4014779c26ac215b13d057bb87b0ae90e78ee97
- 0x7dda6e347d2efd9573854ba60a1c58995f7822327b9471766cfe1ab2e3050b26
- 0xde4a0b0b72a7cf310bb74b3abb4dd4fb1675b4cb9ca3890c29754a06d81128a7
- 0x0496fb0617eaba094acb9ea90a85179b133403bcb9cab57f1b2c5e7ad6710908
- 0x8caee9afbb05a4835a218eb48fc91e7ed2d96d9ac2608aa5bd853fe7019d8d94
- 0xf2381ca3135154cac94d3453c232f31feb3dabefbf1c73459b1e84459d545370
- 0xe7152aaccc7d7d5da2d13bc6ee8ec470b8c1a5abe7dfed1431f0ed53ec50ebc5
- 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
- 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
- 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae