← The evidence ledger
Evidence row 563557
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-15-054
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a3b47e648aefd0bb6d06b84b237d88ec3f458981871b7ae87390f21a10fee7ae
- Leaf
- 0x2d07a414461d50a0a28179c8c7bed3fe1334d8932b51e36e74ae90e4bbac2fa5
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-15-054"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-15-054",
"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 — Exact row deduplication + Explicit missing-value fill: Exact row deduplication + 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-15-054"
},
"sku": "assistant-ib26-education-15-054",
"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": "2026-10-27T21:09:47.529Z",
"quality": {
"lastCalledAt": "2026-10-27T21:09:47.529Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-15-054",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Workshop capacity — Exact row deduplication + Explicit missing-value fill: Exact row deduplication + 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":"a3b47e648aefd0bb6d06b84b237d88ec3f458981871b7ae87390f21a10fee7ae","id":563557,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793137726651166,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-15-054","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).
- 0x2d0788f0098cb7b7615ae5494e4ba379571fd379eca0fe0e111c10aad892d784
- 0xaa1b4ca1e6c1ce6bebc9e2dfe6c730b782ee6b89549e48e596bc145db9bbd531
- 0xfbc9cf1f819098b10307bfdc65dad46f03a9714300fd33d80c76caabd5c1b40f
- 0xa0342fca36b67d1ca51977dded7d49a975eb0071b202997f8ff220dc8d68df51
- 0xa38451c68782539ff64384ce7493d5ee8b024ce2099b86bc571247307294a8c8
- 0xfe2f764dc06975d0b2afa17fbf3ae847535b6d7f46d28666ae9d7485abe8f1c2
- 0xe44f3fbb5793dd8cfb841aed045f72c544a2087598c4108e79653437f952cecf
- 0x346afe45132b6669f6415b3cb7ae36a0e3239b2cf00ba71be321baa9bd4ac2b8
- 0x6d84e0b95124b6968d3e4469bc2691b8603bdb17fe285b641afd948017627aef
- 0x8fa5ec375695a0bd09304a4ae0b7dc2b196dd997da1bdc8869bd60fea2c1a0de
- 0xb9043caa2927f8e7e67754baf8d214c2650beb6c10faecdcd65ac501d9a41dc5
- 0xbba37928cada6ab17c662e87851d940dd07cc2323bc089da77c1f353a0c5e936
- 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
- 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
- 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
- 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4