← The evidence ledger
Evidence row 455747
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-064
- Recorded
- Previous row
- #416808
- Body SHA-256
- f640e65d0a91d5575c615276e9463428fd6c1621b90ce5e172cea76ae86a81d4
- Leaf
- 0x153dea92bfc544cc19e504273cae9b34ed788d4e8caea0fce8baa9574e327e52
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-13-064"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-13-064",
"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 — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram 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": {
"bins": 5,
"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-13-064"
},
"sku": "assistant-ib26-education-13-064",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "run_seconds",
"enum": [
"run_seconds",
"sample_count"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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",
"bins"
],
"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": "2026-10-27T02:56:22.28Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T02:56:22.068Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-13-064",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Experiment run timing — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram 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":"f640e65d0a91d5575c615276e9463428fd6c1621b90ce5e172cea76ae86a81d4","id":455747,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100835533856,"prev":416808,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-064","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x153de94079ebe1e55921daaf6422aff3c9b18009f8edc98cb4c27d79289dec96
- 0x2eeabb25ed018f1faa8bee189bf974ead06771f52b3a5ac31c296867ecab2f9f
- 0x8c3a595fdd7c257a5826861b7d76a1cf918fb1f584c605b5ab3ac593e835e431
- 0x03b2383b7581a6492fe2c008911b9c32cb47b0386524a63d27e1547e179a621c
- 0x5d70ddaa3e35d0fd6ea1cf096d6ecf23bf03ea7e7a298bb4a522d0e4ed2a2d7e
- 0xb0afd9691dec0f96c989f827c4377a3b41deb3f4c3009040252fd4c09ea26b86
- 0x6df2eb617dd84e2c2b7eeeb6c5892f1a85b6ccfc8da2bcd262ee24cc96494d52
- 0x48d427bdd349372e490efe0a474cc2c672c159d5b6a79ed6e3693af2ffcd951d
- 0x2f50830c9f3b5b81f6cd90e7ce40ac3c152e40506b4d5283673a85012c501c29
- 0x4a82788793fd3e02fe30ac42a0dd9efc4136c766f40fe1d668457775063fde1a
- 0x2411fd1200bf89d8ff055caa7169e7277146641f1fe49ae06d70e19279a209e0
- 0x62c7e7967ec467dcf70ca9a9f01831f05b5b4a07c07491cc03340b1479c7ea31
- 0xfae7ed2d06f4d6ced86c104b6381c26d795f82be10e6314b53b0524bd75a292f
- 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
- 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
- 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4