← The evidence ledger
Evidence row 257534
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-177
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 216cbd3708052630b2494f027bd6f6756f8022018f77935ca62c70ef75d38681
- Leaf
- 0x25ce0238459403a56ce327e35dfe022b971cf3cb507a23a503eded83eb5b292c
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-13-177"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-13-177",
"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 — IQR outlier flags + Secondary-measure weighted mean: IQR outlier flags + Secondary-measure weighted mean 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",
"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-13-177"
},
"sku": "assistant-ib26-education-13-177",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "run_seconds",
"enum": [
"run_seconds",
"sample_count"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
],
"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": "2026-10-26T15:38:01.716Z",
"quality": {
"lastCalledAt": "2026-10-26T15:38:01.716Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-13-177",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Experiment run timing — IQR outlier flags + Secondary-measure weighted mean: IQR outlier flags + Secondary-measure weighted mean 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":"216cbd3708052630b2494f027bd6f6756f8022018f77935ca62c70ef75d38681","id":257534,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766420911,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-177","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).
- 0x25cd8fcb1b0ee550625b003e42f791e685a30a47ec654b1e50f7fba1dcdff04a
- 0xdbbce031d94a7c073a4d113817ca3925e0c02d892e3275912d2d025cd8d49b85
- 0xeedf20d854031caa8b90d5673b514d02d1645094b22a93ef963be7ceb0c10991
- 0x1aa8ba29ca8252785d26651557a5f7164a7c9a081c19f1285941e78c69b5b073
- 0x967e4c2d57dbadaae216a7745fd1b7f0ebd2b53ca2e27ec05151f587da8fe876
- 0x4c680748cde6fab0d2511fe1a3417d3d7c0c3573496bdece2d3e82470c552524
- 0xe4dd1bd210871045df635a76b2af6713bd789056ac27630901b8a24e8eb11d3e
- 0xdadd0a212ca550af8b1a51051930b9396daf5f08ff35b78745de718d7a1b9799
- 0x01472aece09dd6db6502873c29462eed9d62909152a59a5aea21c1c1a6757c03
- 0x21a7cf99ef81ffd43b25c97835cc100421f018b92fa922aa035d34db9079e57c
- 0xd59298b1ed461f406932ca0ca85948982d67f90463e31e5b2c45ab2a35eacd3f
- 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
- 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
- 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae