← The evidence ledger
Evidence row 17691
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://nbu.navistri.com/v1/ovdp/auctions
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 08f6540f2ab9c4a583bbac824c17961bf3c17d812fdc665fcd5ea9b7f006b9c9
- Leaf
- 0xa2af78de163b586d3674d251e1eb37a98d30ba339643b947fdf8abc9d029d348
What was observed
{
"endpoints": [
[
"x402",
"https://nbu.navistri.com/v1/ovdp/auctions"
]
],
"name": "NBU Data Ukraine",
"owner_address": "0x44e5ebeb366ab69a0a3c1c05080a01fe0d8013ef",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x44e5eBeB366Ab69A0a3C1c05080a01FE0d8013ef",
"scheme": "exact"
}
],
"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).",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"date": "2026-10-06"
},
"type": "http"
},
"output": {
"example": {
"data": {
"auctionDate": "2026-10-06",
"placements": [
{
"acceptedBidsPcs": 1000000,
"auctionNumber": "111",
"averageYieldPct": 15.14,
"bidToCover": 2.6,
"bidsReceived": 2629226000,
"bucket": "1y",
"currency": "UAH",
"cutoffYieldPct": 15.15,
"fundsRaised": 1008821071.37,
"highestBidYieldPct": 15.18,
"isin": "UA4000239115",
"lowestBidYieldPct": 15.1,
"maturityDate": "2027-09-15",
"placementLimitPcs": 1000000,
"settlementDate": "2026-10-07",
"soldNonCompetitive": 300000000,
"soldTotal": 1000000000,
"tenorDays": 343
}
]
},
"meta": {
"cached": false,
"endpoint": "GET /v1/ovdp/auctions",
"params": {
"date": "2026-10-06"
},
"retrievedAt": "2026-10-12T12:00:00.000Z",
"source": "National Bank of Ukraine open data (bank.gov.ua)",
"sourceUrl": "https://bank.gov.ua/ua/open-data/api-dev",
"terms": "Ukrainian public open data: free reuse including commercial use, with mandatory attribution to the source (Law of Ukraine 'On Access to Public Information', art. 10-1; https://bank.gov.ua/ua/open-data). Values are passed through unchanged. Not affiliated with or endorsed by the NBU.",
"upstreamUrl": "https://bank.gov.ua/..."
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"date": {
"description": "Auction date, YYYY-MM-DD, from 2012-01-01. Omit for the latest auction. Auctions are usually on Tuesdays.",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"auctionDate": {
"format": "date",
"type": "string"
},
"placements": {
"items": {
"properties": {
"acceptedBidsPcs": {
"type": [
"number",
"null"
]
},
"auctionNumber": {
"type": [
"string",
"null"
]
},
"averageYieldPct": {
"type": [
"number",
"null"
]
},
"bidToCover": {
"type": [
"number",
"null"
]
},
"bidsReceived": {
"description": "Bids received, in issue currency",
"type": [
"number",
"null"
]
},
"bucket": {
"type": [
"string",
"null"
]
},
"currency": {
"type": [
"string",
"null"
]
},
"cutoffYieldPct": {
"type": [
"number",
"null"
]
},
"fundsRaised": {
"description": "Funds raised for the State Budget, in issue currency",
"type": [
"number",
"null"
]
},
"highestBidYieldPct": {
"type": [
"number",
"null"
]
},
"isin": {
"type": [
"string",
"null"
]
},
"lowestBidYieldPct": {
"type": [
"number",
"null"
]
},
"maturityDate": {
"type": [
"string",
"null"
]
},
"placementLimitPcs": {
"type": [
"number",
"null"
]
},
"settlementDate": {
"type": [
"string",
"null"
]
},
"soldNonCompetitive": {
"type": [
"number",
"null"
]
},
"soldTotal": {
"description": "Volume sold at nominal, in issue currency",
"type": [
"number",
"null"
]
},
"tenorDays": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
}
},
"required": [
"auctionDate",
"placements"
],
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"endpoint": {
"type": "string"
},
"params": {
"type": "object"
},
"retrievedAt": {
"format": "date-time",
"type": "string"
},
"source": {
"type": "string"
},
"sourceUrl": {
"type": "string"
},
"terms": {
"type": "string"
},
"upstreamUrl": {
"type": "string"
}
},
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T08:41:27.257Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-26T08:41:26.915Z"
},
"resource": "https://nbu.navistri.com/v1/ovdp/auctions",
"serviceName": "NBU Data Ukraine",
"tags": [
"data",
"finance",
"ukraine",
"bonds",
"nbu"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "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)."
}What the leaf hashes
{"body":"08f6540f2ab9c4a583bbac824c17961bf3c17d812fdc665fcd5ea9b7f006b9c9","id":17691,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025327192318,"prev":null,"subject":"x402_bazaar:https://nbu.navistri.com/v1/ovdp/auctions","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).
- 0xa2afa7d40d5fd7a61eff3ea6ddeaf0892f2b406a328e3f0f0f4f4d24965409b8
- 0xaf1c1d2c087e6a058518d6eb2ff0952799c667423b0135de456505606f207ac9
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- 0xca207f467c9712c7e393bd0eb7de50d15bc5b619a6fa1da86d9caa9465f51ced
- 0x07e5506f52d9b5239124259774307891591feee5dce191002e3c92e5c527fc0e
- 0x8b92d9dc2e709bce5f2a89de5d7d10e0f47cee5e5e8c10787f6527ac1b046e98
- 0x282428da0cc2812b2aeb8ac1bc752cda0213b0cb101832851ec239459927f012
- 0x502a5823cf001ec8a2d508629aa4ebb10cb60650ff6dd0ab9c4cebb840e0e4e9
- 0xb3a29351e1b8013225f7601a802293835d75b405261ddeb88b2d8f50a6ded3ac
- 0xd2bc27d81a73a53b7c724da36f189ebdd2fef396490722c3ee66192b798d20d0
- 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
- 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae