← The evidence ledger
Evidence row 89530
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-208
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f2c29059e6ca6945da37402b386498f80f36402fbc8928fa4bd54ef8108687b6
- Leaf
- 0x007d020003cc1fe6f60e65fad311b0cf9b71fd8d9d8598f1a4087e07f4209bb6
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-economics-17-208"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-economics-17-208",
"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 — Record quality audit + String normalisation + Explicit missing-value fill: Record quality audit + String normalisation + Explicit missing-value fill for supplied public procurement records (contract_amount, bid_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"field": "contract_amount",
"method": "median",
"rows": [
{
"bid_count": 1,
"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"
},
{
"bid_count": 4,
"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-17-208"
},
"sku": "assistant-ib26-economics-17-208",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "contract_amount",
"enum": [
"contract_amount",
"bid_count"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"bid_count": 1,
"contract_amount": 10,
"date": "2026-10-01",
"region": "group-a",
"row_id": "row-1"
},
{
"bid_count": 2,
"contract_amount": 20,
"date": "2026-10-02",
"region": "group-b",
"row_id": "row-2"
},
{
"bid_count": 3,
"contract_amount": 15,
"date": "2026-10-03",
"region": "group-a",
"row_id": "row-3"
},
{
"bid_count": 4,
"contract_amount": 30,
"date": "2026-10-04",
"region": "group-b",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"bid_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"contract_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"region": {
"default": "",
"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",
"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": "2026-10-22T08:47:22.033Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T08:47:19.684Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-economics-17-208",
"tags": [
"ai",
"economic-research",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Public procurement — Record quality audit + String normalisation + Explicit missing-value fill: Record quality audit + String normalisation + Explicit missing-value fill for supplied public procurement records (contract_amount, bid_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows."
}What the leaf hashes
{"body":"f2c29059e6ca6945da37402b386498f80f36402fbc8928fa4bd54ef8108687b6","id":89530,"kind":"listing","method":"baseline/1","observed_us":1793025522092466,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-economics-17-208","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x007d0a337e48e0d82f64d92d7054cb81fca49823bc9f75e13f848ca55c16f768
- 0xa5829d0a1b5331f39b2b28d93c90c38e7d71953a8cd4fc10a6ac8091b0618f3c
- 0x8244c39924ebd1f113e86d1098b7aad3c46f2dc0713ae2a24ede62d451b4e996
- 0x0c4a9925d50332ed0bd5ff3612dd4ade51fa12838b05ea1fc94dd28b6bca825c
- 0x4786c4a306bb0aaf9e8d81675744b1de71bc0bc9e7906288d7dfe017b3cec49d
- 0x4abfc259b08721b2b7afbfe6057687c9fcdc698a4b60666bf5a54d78e4526d2f
- 0x90bdd9d40e561d797a16753a816d07fed5b3b77ae6f6b474c4b5c6beeb8e61e9
- 0x12d249bf5f532ff92b96ceb0fd0748c9febc64187affd5ea5862bcd18b82759c
- 0x4f4b1a402d7ba339698163cfae2b6e599b72ed6018d3e89e3cd40d060b77051e
- 0x1edd2dc9dd36bef0d66bcca09e9894f11e3093f06b9f8a9284ef28d89ac3a155
- 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae