← The evidence ledger
Evidence row 457624
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-190
- Recorded
- Previous row
- #89525
- Body SHA-256
- fc4817f1ea3915d6796fcbe9bf39ab43d222187bc6c6bbb34d0f1b30ae61d1dc
- Leaf
- 0xa421cd3f5f30d0527a8f519e8074c6879566a3bba2a53a19876dcd3407ca3b23
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-17-190"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-17-190",
"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": "Public procurement — Keyed dataset comparison + Explicit missing-value fill: Keyed dataset comparison + Explicit missing-value fill for supplied public procurement records (contract_amount, bid_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": "contract_amount",
"method": "median",
"other": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 21,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 17,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 33,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"rows": [
{
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"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
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"contract_amount": 30,
"date": "2026-10-04",
"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-17-190"
},
"sku": "assistant-ib26-economics-17-190",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
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"properties": {
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"bid_count"
],
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"mean",
"median"
],
"type": "string"
},
"other": {
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{
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},
{
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"date": "2026-10-03",
"region": "group-a",
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},
{
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"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
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"properties": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
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"minimum": -1000000000000,
"type": [
"number",
"null"
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},
"date": {
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"region": {
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},
"row_id": {
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"minLength": 1,
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}
},
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"region",
"date",
"contract_amount",
"bid_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
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{
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"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 30,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"bid_count": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"contract_amount": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"region": {
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"maxLength": 80,
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"region",
"date",
"contract_amount",
"bid_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"other",
"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": "2026-10-27T08:49:10.851Z",
"quality": {
"lastCalledAt": "2026-10-25T00:06:14.042Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-17-190",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Public procurement — Keyed dataset comparison + Explicit missing-value fill: Keyed dataset comparison + Explicit missing-value fill for supplied public procurement records (contract_amount, bid_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":"fc4817f1ea3915d6796fcbe9bf39ab43d222187bc6c6bbb34d0f1b30ae61d1dc","id":457624,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100976294147,"prev":89525,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-190","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).
- 0xa421d7036c90e994ddb2e243a378baae03624b15c29ebba13e497ee534297270
- 0xe72c721399f6513e3c194b0914a068402879fba24d82bfd1419cfb845f2e2914
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- 0x56314b557192166832e3cec4edf6b21b3f84e72ceb459c6f57f2587978f8217d
- 0x0024f76d8cbba0974af58c222d4762d74c109d8191ef9e3109445173118bcb0f
- 0x2a092c3fd5bec517d26f9887f1ff2c6308f3430db691451fea5bb452e6710251
- 0xf3f7fff8c24149da692d7fe7e803aab8cdc1a803a84feea0bb8f5d425dc39947
- 0xf410211b0fc98a56e71f3d4e3315c33a876a2a6bbb6efbaf68bdb030a4237648
- 0x4c04c076b6609d8fb8fb97e487d6f0af723bbb4639b1ca14c602946ab97b310b
- 0xd3b92a9905d0b644ed295d09d3a46a58d873ffae60e8cbe81e0dc2783c8e0bac
- 0x1f05a1d6742df860387251334897b5242f60183a4f9751704af390ea507acc90
- 0xc99f276d750460ec390a64510fe7ad6b609e36fddb943e81299b02a623e63048
- 0x87816aee66e8f6e0f1e55ea83733bb58cf9612d36c45fd5b7fc5d6f4484b78fd
- 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
- 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4