Evidence row 2482

Observed 26 Oct 2026, 14:34 UTC, by baseline/1.

Kind: listing
About: source_record agentic_market:gotobi-hugen-tokyo
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 842d7c709de793a39b73215808fadc6f8b08f058c17db9858cf56ef28586f566
Leaf: 0x8a2579f82ce4522c224afbca82ef2e2fce401c203e539ef220f4e6f65936c4f2

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/dates"
    ],
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/holidays"
    ],
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/holidays/next"
    ],
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/holidays/today"
    ],
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/next"
    ],
    [
      "x402",
      "https://gotobi.hugen.tokyo/gotobi/today"
    ]
  ],
  "name": "gotobi.hugen.tokyo",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "gotobi.hugen.tokyo",
    "endpoints": [
      {
        "description": "Monthly gotobi calendar with all 6 dates (5th, 10th, 15th, 20th, 25th, last business day) and automatic weekend/holiday adjustments. No public database of adjusted gotobi dates exists — building one requires Japanese holiday law knowledge through 2099. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "2026-03",
            "group": "query",
            "name": "month",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/dates"
      },
      {
        "description": "Japanese public holidays for a given month — national holidays, substitute holidays (振替休日), and Golden Week. These holidays shift gotobi dates and close Tokyo markets, affecting JPY liquidity. Complete coverage through 2099 with substitute holiday rules. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "2026-05",
            "group": "query",
            "name": "month",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/holidays"
      },
      {
        "description": "Next upcoming Japanese public holiday with countdown — holiday name, exact date, and days until. Plan around Tokyo market closures and gotobi day shifts. Complete coverage through 2099. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/holidays/next"
      },
      {
        "description": "Is today a Japanese public holiday? Returns holiday name in Japanese and English. Uses JST timezone for accurate date determination. Covers all national holidays, substitute holidays, and special observances. Essential for FX trading session validation and holiday-aware scheduling. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/holidays/today"
      },
      {
        "description": "Next upcoming gotobi day with countdown — returns the exact date with Japanese public holiday adjustments applied. Essential for pre-positioning USDJPY trades ahead of the Tokyo fixing. No public gotobi calendar exists; building one requires Japanese holiday law + weekend shift rules. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/next"
      },
      {
        "description": "Is today a Japanese gotobi day? Gotobi (五十日: 5th, 10th, 15th, 20th, 25th, last business day) drive predictable USDJPY buying pressure before the 9:55 JST Nakane fixing. Weekend and holiday adjustments applied automatically. No public database of gotobi dates exists — this is the only programmatic source. Accepts USDC payments on Base and Solana",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://gotobi.hugen.tokyo/gotobi/today"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "gotobi-hugen-tokyo",
    "integrationType": "",
    "isNew": false,
    "name": "gotobi.hugen.tokyo",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "gotobi.hugen.tokyo",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"842d7c709de793a39b73215808fadc6f8b08f058c17db9858cf56ef28586f566","id":2482,"kind":"listing","method":"baseline/1","observed_us":1793025266811409,"prev":null,"subject":"agentic_market:gotobi-hugen-tokyo","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).

0x8a257bc59919a70e7f8a15cf26b5da3bc2c90e14729f1429c40670de440c9f92
0xa4bb7f5014295661d88d65edacebe9e2d8771f93e48e8bd1555dd18f02ed7901
0x807bbfe1531eb55b02a207a3dd81500b56ccee95e33cf9407b21ad17aacd9c7e
0xdcacf6a6fe683864e8a17b07152d252f56cbe59b4eb7ba2d3fdc49a43afb9ed0
0x7e82cc8e8bdb0ff42a173d726f0f70001d8c5188f0fa0cd296f6ea6bb7bf06af
0xcafdbbfdd0186cd6afd89f9eec18fde80149991ca624a94814f58ea185975d52
0x9c5c17d6863dcd4786183ebf25f0ae60d2004957331ca45f8d9b6492930462f0
0x4cea8b805407fd3adb36e30dd678a2adff6c90cd792a37ce0530e1b859c0c529
0x118f1fb2215c57e384aa5784b3b3bfa5e2b496f4e95d98cfd42920ad1c735392
0x982630687ce64555ae64a26aec05bb57bc8d6dbc7f1a3b6335e749ef24ab7401
0x231f490acbb86d1ac0f80fbb2d49e85abc0ff9c6392ca16679f2cdf49b2863ac
0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON