← The evidence ledger
Evidence row 434226
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-08-187
- Recorded
- Previous row
- #416208
- Body SHA-256
- 39b158d46e06f574ed73fbf7eccb31b081962827d84014ce899c3309d61521b1
- Leaf
- 0x8abf6b0dba62caf4d0979468ca8821263c617ac52f871bebc0a89e93ef9c850d
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-08-187"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-08-187",
"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": "School capacity — Secondary-measure weighted mean + Explicit missing-value fill: Secondary-measure weighted mean + Explicit missing-value fill for supplied school capacity records (enrolled_students, 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": "enrolled_students",
"method": "median",
"rows": [
{
"available_places": 1,
"date": "2026-10-01",
"enrolled_students": 10,
"region": "group-a",
"row_id": "row-1"
},
{
"available_places": 2,
"date": "2026-10-02",
"enrolled_students": 20,
"region": "group-b",
"row_id": "row-2"
},
{
"available_places": 3,
"date": "2026-10-03",
"enrolled_students": 15,
"region": "group-a",
"row_id": "row-3"
},
{
"available_places": 4,
"date": "2026-10-04",
"enrolled_students": 30,
"region": "group-b",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-economics-08-187"
},
"sku": "assistant-ib26-economics-08-187",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "enrolled_students",
"enum": [
"enrolled_students",
"available_places"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"available_places": 1,
"date": "2026-10-01",
"enrolled_students": 10,
"region": "group-a",
"row_id": "row-1"
},
{
"available_places": 2,
"date": "2026-10-02",
"enrolled_students": 20,
"region": "group-b",
"row_id": "row-2"
},
{
"available_places": 3,
"date": "2026-10-03",
"enrolled_students": 15,
"region": "group-a",
"row_id": "row-3"
},
{
"available_places": 4,
"date": "2026-10-04",
"enrolled_students": 30,
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_places": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"enrolled_students": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"region": {
"default": "",
"maxLength": 80,
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"region",
"date",
"enrolled_students",
"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": "2026-10-27T03:31:09.751Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T03:31:09.358Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-08-187",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "School capacity — Secondary-measure weighted mean + Explicit missing-value fill: Secondary-measure weighted mean + Explicit missing-value fill for supplied school capacity records (enrolled_students, 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":"39b158d46e06f574ed73fbf7eccb31b081962827d84014ce899c3309d61521b1","id":434226,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086563455928,"prev":416208,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-08-187","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).
- 0x8abfd25a4e73cf0cdb82110bbe3494a11c32cea7e08ef8cd508d9c0c54a6c21f
- 0xbc8a40f7821ad7e8b7583265fa92a16c758c1df1cb623c682ff0209192375eee
- 0x3c87c2ca51014f3c0f7aa50375d2e3597c35107ed01b2b02b8e0400e59edf682
- 0xdc71ab7da947286f36e455667e1efeb810c1802c899276616fb3fdc1e174e1cc
- 0xe6bd24fb2d5c84ff6d36bb4fd4229b7a1ca96a18dde40ed471ed4a27a3a74c2d
- 0x6f26b30aa4f15a0417591f99eb1888c073676fbc6656531fec10a805185f4d41
- 0x5b4b48fdfc085d995925383cec8b73703684338282812f219bd778d7958fe0ba
- 0x78bfb8e351bc314d6ced4c6353f55aef02c0f31ff87f47e642347c24f504dd51
- 0xde8e4b8aca7df97f2dbbeb6adba84353a91ca19ee2ddfd2ae4ef15e56b7e3b69
- 0x215901fa5df1301acd35e6214697f9d1caa7039adbe3e43bdb0aea727b670dc4
- 0x0e491e41680f12f7d8bdf222ee07202258510c3550459071f98f077368a5cd2f
- 0x30c799f301803795a41119ff9181a1ecb65705ab464b7ef061de2b33772eca73
- 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
- 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
- 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
- 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4