← The evidence ledger
Evidence row 764798
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-064
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 56642f55829187964adbf8b3e7e067e62d38acd69cf45630edc53094113094c9
- Leaf
- 0x0fd8e2ec4bfa007c8a658b612f2d714e2d085dad186055a8533d1f52c519ba7d
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-20-064"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-20-064",
"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": "Research grant spending — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram for supplied research grant spending records (budget_amount, spend_amount). 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": {
"bins": 5,
"field": "budget_amount",
"rows": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-20-064"
},
"sku": "assistant-ib26-education-20-064",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "budget_amount",
"enum": [
"budget_amount",
"spend_amount"
],
"type": "string"
},
"rows": {
"default": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"budget_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"spend_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"budget_amount",
"spend_amount"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"bins"
],
"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": "2026-10-28T08:17:34.461Z",
"quality": {
"lastCalledAt": "2026-10-28T08:17:34.461Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-20-064",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Research grant spending — Duplicate key report + Equal-width histogram: Duplicate key report + Equal-width histogram for supplied research grant spending records (budget_amount, spend_amount). 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":"56642f55829187964adbf8b3e7e067e62d38acd69cf45630edc53094113094c9","id":764798,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179265956464,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-064","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x0fd8e6a85227c77f5a3094d195c4008491ce6fe557c4e1c6dd7c1ca3ab07a458
- 0x814eae5a6698556ff8fe1f557b06d0077890c9a1f32fc97a2d7751f7578be7d8
- 0x35d0f24aa1c5edb160d99149aae511faa7ce50f45be23384b25d3693a351a62b
- 0x9574e52bd4a7a77b079fcd3fffd2b9bc9a8c6d81b8ad0a4146f4d33d91467c1c
- 0x258fe097523c3d2fceb9046682193df2698603a174676933f824112276058b01
- 0x39a5b3d1b244742d199ebc45be08c383d4a98added8b26c970bff62daded1990
- 0x1774e540ab397ebb239aba352b39b593d8b311dfceb2de23144798bf2a554809
- 0x2e344cef44c7de41a5d18ac90a658a49a8a0c4244132c0e1e0157f85d611b845
- 0xbda14611d11630ebc9fc21729f66b8df7d9827820bb79f9e244d9cb44c5c18a5
- 0xf06b9c5ece27fb0935661bf1ce7a35eca80fe9efa7632682d36533ab879adad8
- 0x39350a74553e78b2f7c6b76510b12a82a92472581c7fba2c6ec4f9fd68910884
- 0x1b64628b47c3955d5f898981680c4e3f828520bf66656d382c6a41d6103f68aa
- 0xfd1df77ed593d89e10dbf20c0bb022fdc7c5fff3d41d686683936ce3d2b0638c
- 0xd255034c045ff2574d11cb3757ffb240536c7380f2dfbe54e8a41bd8797bd254
- 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae