Evidence row 118476

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://perp-gap-api.perpgap.workers.dev/tokens/premium"
    ]
  ],
  "name": "Perp Gap API",
  "owner_address": "0x2d82dcb9cc3a168d9ab25b62c1e33e278a51254f",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja",
        "scheme": "exact"
      }
    ],
    "description": "Use before buying or pricing a tokenized stock (NVDAx, NVDAon) to see if it trades rich or cheap vs the real share. For one ticker, up to 10, or tickers=all: each xStocks and Ondo Global Markets token's price per share vs the stock reference, premium %, Ondo issuer price, freshness, chain and pool liquidity. Bad params return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ticker": "NVDA"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-22T21:41:04.174Z",
              "count": 1,
              "disclaimer": "Data, not financial advice. Tokenized stocks may be unavailable to US persons; check issuer eligibility.",
              "mode": "single",
              "notes": "premium_pct = token per_share / stock reference - 1 (positive = token trades above the stock). per_share = price per ...",
              "rows": [
                {
                  "ticker": "NVDA",
                  "tokens": [
                    null
                  ]
                }
              ],
              "us_session": "after-hours"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "ticker": {
                      "description": "Stock ticker, case-insensitive (free list: GET /catalog).",
                      "examples": [
                        "NVDA"
                      ],
                      "pattern": "^[A-Za-z0-9.]{1,12}$",
                      "type": "string"
                    },
                    "tickers": {
                      "description": "Optional alternative to ticker: up to 10 comma-separated tickers, or 'all'.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "ticker"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Error responses are JSON {error: string, hint?: string}. 400 bad params (never charged); 402 payment required; 404 ticker/market not listed (checked before settlement, never charged); 502 upstream error. Full field docs: /openapi.json.",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "count": {
                      "type": "number"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "mode": {
                      "type": "string"
                    },
                    "notes": {
                      "type": "string"
                    },
                    "rows": {
                      "type": "array"
                    },
                    "us_session": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T07:13:41.896Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T07:13:41.587Z"
    },
    "resource": "https://perp-gap-api.perpgap.workers.dev/tokens/premium",
    "serviceName": "Perp Gap API",
    "tags": [
      "Trading",
      "Data",
      "tokenized-stocks",
      "xstocks",
      "rwa"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use before buying or pricing a tokenized stock (NVDAx, NVDAon) to see if it trades rich or cheap vs the real share. For one ticker, up to 10, or tickers=all: each xStocks and Ondo Global Markets token's price per share vs the stock reference, premium %, Ondo issuer price, freshness, chain and pool liquidity. Bad params return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice."
}

What the leaf hashes

{"body":"7831e5a5c57d6c358bac0a65f851b3002446932280800e2b4b4780af9df27d80","id":118476,"kind":"listing","method":"baseline/1","observed_us":1793025613096137,"prev":null,"subject":"x402_bazaar:https://perp-gap-api.perpgap.workers.dev/tokens/premium","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. 0x97bbe0851360650102d1c1ee765af858e1f898f382b9d451a81d22277189072a
2. 0x1839bc439f850b0c4c6367e9c8a53012a55ba3975021aea19556754ee72b8ce2
3. 0xce404a68887c9159f672b5d75a82e62054c5768e5b5d795c07813281cbe5b9bf
4. 0x4fcbe975e5415a6dd00dc676c0362f7ae06965012e82b5da7fd3b19d0a17227b
5. 0x77b57c98a233708695b6f049aac631049ab99c20b3df59e069c4638b0d68adf7
6. 0xf11a7968560dddd3656fea7854566ca5d80813342bb670192240d4e10ccfac04
7. 0xc3e5539727c789a85ff1486ad5d172c61b2597465af994119b90a2ef7bdc25a0
8. 0xda74898d5076c96fbfe2c04a9db8f5b1a72fc21e8edd33332fbe52e1bfc7b7e7
9. 0x5dface5ed4838bbe8c4aa2e14c551eb4a6a49a2c39ad138ddd25810394a02f8a
10. 0xdc53c89cce7091adf601946635a4d64062fe6855a2f46a4967374baab5240ceb
11. 0x33109041c3d120f5b9ce2c3270a8fc409acfab4e749a0ff42fa0744354f87c17
12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae