← The evidence ledger
Evidence row 200969
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-026
- Recorded
- Previous row
- #90769
- Body SHA-256
- c39cd9dc475f14e02abc674f15aa0cc67f9872c6b75fe017e083282876dd1edd
- Leaf
- 0xf57290ea4ba2b47752fe3e3da1501455749b4580bc01cd99d57c0014b294d7d5
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-06-026"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-06-026",
"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": "Lab observations — String normalisation + Numeric interval filter: String normalisation + Numeric interval filter for supplied lab observations records (measurement, replicate_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": "measurement",
"maximum": 100,
"minimum": 0,
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-06-026"
},
"sku": "assistant-ib26-education-06-026",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "measurement",
"enum": [
"measurement",
"replicate_count"
],
"type": "string"
},
"maximum": {
"default": 100,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"minimum": {
"default": 0,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"measurement": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"replicate_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"measurement",
"replicate_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"minimum",
"maximum"
],
"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": "2026-10-26T01:52:47.61Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T01:52:47.39Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-026",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lab observations — String normalisation + Numeric interval filter: String normalisation + Numeric interval filter for supplied lab observations records (measurement, replicate_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":"c39cd9dc475f14e02abc674f15aa0cc67f9872c6b75fe017e083282876dd1edd","id":200969,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026080460007,"prev":90769,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-026","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).
- 0xf57270ff6373ed4a1d3d108b8ebb2df2174f493359f104d0578310afa4699348
- 0xccd28ed610f95218faf4f30aefd48d28de14bd87e51c3e1276c863cff0dcc1b0
- 0xba71320823641473ff118ca840c192fecfc3ecb254f46decf4ab453568b27a16
- 0xe4e8a828212ffb8637bd9d50949c98a9c64eada0c40b35d68b16930973e61ce1
- 0x6b3582a25a842b4895be9ff03cac89ede1ad6f54bf61c157f9eab4d0361696f6
- 0x657001fcbe205fc17558129ffd81aa6f18a4489dbc694d0068815e35632dbc8e
- 0x67775fe28d9e854a5cb482b1e4d7123395d591b8f69eb53f7370faafe9e7c50a
- 0xe32ed998e105e792f623cbbe7c31fdab9bd2b0ce8fc717501132076738ef931d
- 0x630c00160579a1428da69d1bf3b3b24ae66cc5acbe11014448db525d7f822407
- 0x806eb8689cec54516a1b1c8b3165343a83bab31d0288d4110634ad3ba83dcfa4
- 0xd1f6cbd0d3ee44ebe2e23b42e7f1822bbdf0afd342375323b5d4f8bc89cd943a
- 0x86ae35463d854f3938d986999aa8497e14f0ba2aa6f39a269e1e6d1134f9b847
- 0x79695e4356ea25a2b58265a824698704cd2c743099ce2dca9e41384ce8f1a8c5
- 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae