← The evidence ledger
Evidence row 415741
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-100
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8b5a3789e70850626c405f6e43d03e803993df44f351f4f883c3eb1bee4fff63
- Leaf
- 0x1d9feb34c2587e5a39f2693ee0ad7920fa1e48a6c97ce164c40291552f72c914
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-06-100"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-06-100",
"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 — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering 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",
"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-06-100"
},
"sku": "assistant-ib26-education-06-100",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "measurement",
"enum": [
"measurement",
"replicate_count"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
],
"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": "2026-10-27T04:07:54.17Z",
"quality": {
"lastCalledAt": "2026-10-27T00:54:10.25Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-100",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lab observations — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering 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":"8b5a3789e70850626c405f6e43d03e803993df44f351f4f883c3eb1bee4fff63","id":415741,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080823756289,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-100","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).
- 0x1d9fe241e6bcbce9ce63bcee68afeac393a616f59963de5ab1a768e23975b5b4
- 0x04fcd12b3fa11cae4df4d9969ecd03e9afacd40f5c5d09f8c8a5d4afe2ae779b
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- 0x8dfa753a26aee52e0eef05440dac5d40a0dca3bed2966d78499a9458017ad831
- 0x3c0903cf6f507a44c93d74672853fa13f917303019ae4acad69ded4f13c04063
- 0x5e11cc818fdd88a8b7a8d0188096c8a81967b7c74938386b78fc5cd9faee33ed
- 0xa11b55d63fead5e635855945ec582e6432a4b6c375e7f06b2f13d6a69e817e6b
- 0x530ba79eadb71e9c24794d60dcd7dcc02cef42d47aa7ff495b25eb6a6fdd95c9
- 0x43b0aae3fbea4074ea9bcf4740fcbcecad8fc447a60f1014135e9e198679991a
- 0xf4da240ab99822263f000847150fce40eac469aeaa4c2a76f327374195d12aff
- 0x99dce8d66749a5422c6701db21f5d41382e1da1e812688ff5ab5b3c42d391ed7
- 0x1276a7e4ec7c4267314f92b0c9f8dc98019d1010040392c7895dfca3d1733388
- 0x51f03aa38686601dad27c1b6449721baba5becb2342776edd179ef9189d62f57
- 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
- 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
- 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4