Evidence row 22515

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": "3",
          "l30DaysUniquePayers": "3"
        },
        "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": "8",
          "l30DaysUniquePayers": "7"
        },
        "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": "5",
          "l30DaysUniquePayers": "5"
        },
        "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": "11",
          "l30DaysUniquePayers": "9"
        },
        "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": "4",
          "l30DaysUniquePayers": "4"
        },
        "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":"bc13d6100d7b067d21214885c36314542616857e2d58bc5617ca04d6dcfaac25","id":22515,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025345989104,"prev":2974,"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 2026-10-26 (296695 rows).

1. 0xa10fea766fb17eb20abd4eba402d0899059385c579c73277f1918c80a875538c
2. 0x4bf0e762b166b8a085ed448f337ac8e02175808e324266f7b0a3ad55df154076
3. 0x0cfa01219de6b9b936439334ba04a143e85fc99d47802669f7a0c518ba4eb686
4. 0x30b7d6b260e8a8e86c5130398fd35c2ac148ab6c9794bbd4072ec120d4a27ce0
5. 0x8cbd93eb5aa3dd86b708e5e11e8d1286a606c3e1ba2f37a663dcaa98f3930791
6. 0xfb6daf8c6420e642f297f283fdb94b83a02c9c44d82c07254e78d36b53658a33
7. 0xb38d7904ec347653dbd8b075f00330669452d72788b269321030cc18083c28aa
8. 0x71d0961d810774eb7c13f64ca7af3acd6ee4cd530f2e76742a0ec3b4a8545a9f
9. 0x2e341f6252adb787d6fe8df067d94cbcaff1f0c719bb94ffe8b610366b780599
10. 0x848cf5e604d5f0c62cc02d3abe512164430820fceefd529d003cbca06e431809
11. 0x6e2c6fb1ec16c0d8a0fa917725bdfc512e7ed9f39e77d64f0a911d30e68a27de
12. 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae