← The evidence ledger
Evidence row 415439
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-15-112
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c9ba4530376f8c4a054f3d226a9cfe65810e42af1f43c06ded78dde68cf6913e
- Leaf
- 0xb04be9234e6dae0ded2a7be7fd1cab87742b022ddce15302e1b8301addadfe94
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-15-112"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-15-112",
"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": "Workshop capacity — Category frequencies + Explicit missing-value fill: Category frequencies + Explicit missing-value fill for supplied workshop capacity records (registrations, available_places). 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": "registrations",
"method": "median",
"rows": [
{
"available_places": 1,
"course_group": "group-a",
"date": "2026-10-01",
"registrations": 10,
"row_id": "row-1"
},
{
"available_places": 2,
"course_group": "group-b",
"date": "2026-10-02",
"registrations": 20,
"row_id": "row-2"
},
{
"available_places": 3,
"course_group": "group-a",
"date": "2026-10-03",
"registrations": 15,
"row_id": "row-3"
},
{
"available_places": 4,
"course_group": "group-b",
"date": "2026-10-04",
"registrations": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-15-112"
},
"sku": "assistant-ib26-education-15-112",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "registrations",
"enum": [
"registrations",
"available_places"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"available_places": 1,
"course_group": "group-a",
"date": "2026-10-01",
"registrations": 10,
"row_id": "row-1"
},
{
"available_places": 2,
"course_group": "group-b",
"date": "2026-10-02",
"registrations": 20,
"row_id": "row-2"
},
{
"available_places": 3,
"course_group": "group-a",
"date": "2026-10-03",
"registrations": 15,
"row_id": "row-3"
},
{
"available_places": 4,
"course_group": "group-b",
"date": "2026-10-04",
"registrations": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_places": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"registrations": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"registrations",
"available_places"
],
"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": "2026-10-27T04:25:20.349Z",
"quality": {
"lastCalledAt": "2026-10-27T04:25:20.349Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-15-112",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Workshop capacity — Category frequencies + Explicit missing-value fill: Category frequencies + Explicit missing-value fill for supplied workshop capacity records (registrations, available_places). 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":"c9ba4530376f8c4a054f3d226a9cfe65810e42af1f43c06ded78dde68cf6913e","id":415439,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080797744944,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-15-112","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).
- 0xb04c675e0bd69c5b397a6456c39dd8faf21097ef7832c484cfb57543d6a2ddb3
- 0x4ded20c9bcef801fad953be50e9733caafc0dd59d9d534c91f702b7719c78df6
- 0x1f960a7fd1b829b377c0366c8f7ef56da5a2bbd37366dfc7df842589d0300028
- 0x9e838450ea92f7e26ec41aa3dd8b880b5c573a5b2233810f8073e5660dcaa3d2
- 0xfbd940f21d93f96814606ccfcff5a1799a7119837de38dff80230c51a4e39606
- 0x185eb0632781dbdf2d2757c08ef75f6f32c8e98647301a836498ce1e94ceb6f8
- 0x00f721b342200052caba6370d1e5238c31a610985d6de4eb56c27232fb50ec33
- 0x18dd0bcc424a066ee2a823b9d34cedab3ee62cdcc508290154eda9a920cb78a4
- 0xe1303dfd5b7a6e64630ef26c13617a1f11558dd5297f35484cf5095ffc2305e7
- 0x0c46dda2e15f065ead08a037290f5610f861a452e45aada336acce8131bbb604
- 0x56e7aed5204b5b8c5add89512d1cb8ce0fb6387142ec4c11a09b2afad3fc0a97
- 0x6413c10d59083704c26ae4eedf79ca24dbf9c92cad846aac6f2a11f02ab3b17b
- 0x4c82d20074b9d7d77e728b0250a2c662412d8d0f7eccff2d8100bfcc4434597f
- 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
- 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4