← The evidence ledger
Evidence row 91513
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-112
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 22d83000221676b4d49d81b647a0a8e8c96795c9b89d8cc1bb4aea10cfc16fa7
- Leaf
- 0xa9cb18999e88eb9712bf12e055f07b641ce179812f5ea56977a0e24c74666105
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-13-112"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-13-112",
"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 — Category frequencies + Explicit missing-value fill: Category frequencies + Explicit missing-value fill 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",
"method": "median",
"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-13-112"
},
"sku": "assistant-ib26-education-13-112",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "run_seconds",
"enum": [
"run_seconds",
"sample_count"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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",
"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": "2026-10-25T14:26:23.534Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T14:26:23.332Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-13-112",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Experiment run timing — Category frequencies + Explicit missing-value fill: Category frequencies + Explicit missing-value fill 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":"22d83000221676b4d49d81b647a0a8e8c96795c9b89d8cc1bb4aea10cfc16fa7","id":91513,"kind":"listing","method":"baseline/1","observed_us":1793025527267846,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-112","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).
- 0xa9cb712409842a366922fd5f4125ec23dad78e8cea45e82aec4a530c25f1656f
- 0x587d6461b42baa58149b428dcf690bea7ac41cd3375e3d9d87b339c702374c07
- 0xa32fe054bcb3c58b0214b7a7d3a05e25f6f63d0ccc314aee767c4afc95e399ff
- 0x604e71f6d452dc2f537b9d84401a78a6537fddd96f58e3f475046ba298767781
- 0xd95aa996aaf508251177d1fae14e23a5ba1e99a98065e108cddeb83fecec4623
- 0x5f9df3244e207aecde1dd0a151a47683d8b6105a26bd43bd0e95305f5a6768ab
- 0xb95c8434dcc25c0e43aba8b14fd935be407f58c90a574cb981b853aa85785460
- 0x3f7ae58b206c51fc427f754b9bf85a76e953c0216bd09128c03a01e3643b9713
- 0x82d9ae554aa7cec8f51a37c603e34e767e325b0595e6cdd1f431b89b2f287159
- 0xdafe89e6fd113360e44ef4b5cf78f02090d7d8c58f90801b9c55d378ade0c6ae
- 0x55ba80743bf45624f0b04651dfd0a37e2a85f91f45e334ff14efbb74a49dd361
- 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
- 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae