← The evidence ledger
Evidence row 2974
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:nbu-navistri-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d928b97846439db56482167db7414ef3d4128fd06e8a25ac5524d693bfb86574
- Leaf
- 0x340059daf463317b72f9f5e7b4a3cd41d3e65da8bad3bb158ed8c153e12adec4
What was observed
{
"endpoints": [
[
"x402",
"https://nbu.navistri.com/v1/inflation"
],
[
"x402",
"https://nbu.navistri.com/v1/key-rate"
],
[
"x402",
"https://nbu.navistri.com/v1/ovdp/auctions"
],
[
"x402",
"https://nbu.navistri.com/v1/rates"
],
[
"x402",
"https://nbu.navistri.com/v1/rates/history"
]
],
"name": "nbu.navistri.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "nbu.navistri.com",
"endpoints": [
{
"description": "Ukraine consumer price inflation for a month: headline and core CPI as % month-on-month, year-on-year, since December and period average, from the national total (State Statistics Service data republished by the NBU). Call it to index UAH amounts, write a macro brief, or compare Ukrainian inflation. Param: month (YYYY-MM; omit for the latest published month).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-08",
"group": "query",
"name": "month",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"inflation",
"macro"
],
"url": "https://nbu.navistri.com/v1/inflation"
},
{
"description": "National Bank of Ukraine key policy rate (облікова ставка) on a date, with the overnight deposit and overnight loan rates and every policy-rate change in the previous ~13 months. Call it for Ukrainian loan or deposit maths, late-payment penalties tied to the NBU rate, macro briefs, or to see when the rate last moved. Param: date (YYYY-MM-DD, default today in Kyiv).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-12",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "7",
"l30DaysUniquePayers": "6"
},
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"interest-rates",
"nbu"
],
"url": "https://nbu.navistri.com/v1/key-rate"
},
{
"description": "Results of Ukrainian domestic government bond (OVDP) primary auctions held by the Ministry of Finance, as published by the NBU: ISIN, maturity, cut-off and average yield, bid-to-cover, volumes and funds raised. Call it for UAH yield-curve points, sovereign debt monitoring or fixed-income briefs. Param: date (YYYY-MM-DD auction date; omit for the latest auction).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-06",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"bonds",
"nbu"
],
"url": "https://nbu.navistri.com/v1/ovdp/auctions"
},
{
"description": "Official National Bank of Ukraine (NBU) exchange rates of the hryvnia (UAH) on a date: 40+ currencies, gold, silver and SDR, with English names. Call it when you need the legally official UAH rate for Ukrainian accounting, tax, invoices or customs, or to convert to/from UAH on a given date. Params: date (YYYY-MM-DD, default today in Kyiv), currency (ISO code, optional; omit for all).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "USD",
"group": "query",
"name": "currency",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-09",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "10",
"l30DaysUniquePayers": "8"
},
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"exchange-rates",
"nbu"
],
"url": "https://nbu.navistri.com/v1/rates"
},
{
"description": "Daily official NBU exchange-rate series of one currency against the hryvnia (UAH) for a period of up to 366 days, plus min, max and % change. Call it to chart or analyse UAH moves, compute averages for Ukrainian reporting, or check a rate across several dates in one paid call. Params: currency (default USD), from and to (YYYY-MM-DD; default the last 31 days).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "EUR",
"group": "query",
"name": "currency",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-09-01",
"group": "query",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-09-30",
"group": "query",
"name": "to",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"exchange-rates",
"nbu"
],
"url": "https://nbu.navistri.com/v1/rates/history"
}
],
"enriched": false,
"iconUrl": "",
"id": "nbu-navistri-com",
"integrationType": "",
"isNew": false,
"name": "nbu.navistri.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.0018",
"currency": "USDC",
"maxAmount": "0.003",
"minAmount": "0.001"
},
"provider": "nbu.navistri.com",
"providerUrl": "",
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"inflation",
"macro",
"interest-rates",
"nbu",
"bonds",
"exchange-rates"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"d928b97846439db56482167db7414ef3d4128fd06e8a25ac5524d693bfb86574","id":2974,"kind":"listing","method":"baseline/1","observed_us":1793025268840903,"prev":null,"subject":"agentic_market:nbu-navistri-com","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).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae