Evidence row 119582

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/crypto/brazil/ticker"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:crypto-brazil-ti",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:crypto-brazil-ti",
          "reference": "7K84ihj6YPRUnx5n6CZmSon71bR9A2HreEYH4AWt8RQu",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjcnlwdG8tYnJhemlsLXRpY2tlciIsInJlZmVyZW5jZSI6IjdLODRpaGo2WVBSVW54NW42Q1ptU29uNzFiUjlBMkhyZUVZSDRBV3Q4UlF1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzMTYwMTE0ODR9.W8M0NChDyBx5ZPFCWxO-wCrZ-geZh7A59PWHy3JoNms"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Bitcoin and crypto price in Brazilian reais (BRL) from Mercado Bitcoin - last, bid, ask, 24h range, volume and best order book levels",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "base": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ask_brl": 409271,
              "best_asks": [
                {
                  "amount": 0.01172753,
                  "price_brl": 409271
                },
                {
                  "amount": 0.0594,
                  "price_brl": 409302
                },
                {
                  "amount": 0.01805928,
                  "price_brl": 409358
                },
                {
                  "amount": 0.00400222,
                  "price_brl": 409360
                },
                {
                  "amount": 0.00398058,
                  "price_brl": 409362
                }
              ],
              "best_bids": [
                {
                  "amount": 0.00735772,
                  "price_brl": 409270
                },
                {
                  "amount": 0.00355859,
                  "price_brl": 409225
                },
                {
                  "amount": 0.00345126,
                  "price_brl": 409224
                },
                {
                  "amount": 0.0035196,
                  "price_brl": 409223
                },
                {
                  "amount": 0.00499737,
                  "price_brl": 409215
                }
              ],
              "bid_brl": 409270,
              "change_24h_pct": -2.64,
              "checked_at": "2026-10-15T10:56:54.385Z",
              "exchange": "Mercado Bitcoin",
              "high_24h_brl": 423128,
              "last_brl": 409334,
              "low_24h_brl": 406000,
              "note": "Prices are in Brazilian reais (BRL) on Mercado Bitcoin, Brazil's largest local exchange.",
              "open_24h_brl": 420450,
              "pair": "BTC/BRL",
              "source": "Mercado Bitcoin public data API",
              "spread_pct": 0.0002,
              "ticker_time": "2026-10-15T10:56:48.000Z",
              "volume_24h": 25.91087669
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "description": "Coin symbol such as BTC, ETH, SOL or USDC, quoted in Brazilian reais",
                      "type": "string"
                    }
                  },
                  "required": [
                    "base"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ask_brl": {
                      "description": "Ask brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "best_asks": {
                      "description": "Best asks",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "best_bids": {
                      "description": "Best bids",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "bid_brl": {
                      "description": "Bid brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "change_24h_pct": {
                      "description": "Change over 24 hours, percent",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "exchange": {
                      "description": "Exchange the data comes from",
                      "type": "string"
                    },
                    "high_24h_brl": {
                      "description": "High 24h brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "last_brl": {
                      "description": "Last brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "low_24h_brl": {
                      "description": "Low 24h brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "open_24h_brl": {
                      "description": "Open 24h brl",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "pair": {
                      "type": "string"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "spread_pct": {
                      "description": "Spread, as a percentage",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "ticker_time": {
                      "description": "Ticker time (UTC unless a time zone is given)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "volume_24h": {
                      "description": "Volume 24h",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "pair",
                    "last_brl"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-18T09:31:31.527Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T09:31:31.222Z"
    },
    "resource": "https://saylorinnovations.com/api/crypto/brazil/ticker",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "brl crypto price",
      "bitcoin brazil",
      "mercado bitcoin",
      "brazilian real crypto",
      "brl orderbook"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Bitcoin and crypto price in Brazilian reais (BRL) from Mercado Bitcoin - last, bid, ask, 24h range, volume and best order book levels"
}

What the leaf hashes

{"body":"0b4750db0f262475d7f9b1f42262f485d729da29281ab876fcf67f91c77755ce","id":119582,"kind":"listing","method":"baseline/1","observed_us":1793025615996743,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/crypto/brazil/ticker","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. 0x22128cbc2950c975232cd019ad519d6214b4aab8b134bc46fced94f89e7f95f7
2. 0x74135463f64d60cd670f9dec67fbcd1499aec0255ef8c135caa47c5418305bb2
3. 0x97fde93ed86d1c5e66e6da05de01effa3f4a58304a95638095f8143bdb3f522a
4. 0x74d2069fc840adb2722975c7efa8c07776cd3f6085d15e303602a131f5b3f232
5. 0x439b6667d7bc71bc6c1140d8a6991ebf1c3215a6856d623a2700590b2ba5be48
6. 0x578b25808c2e5665f548f58a5fbfc3c35dcec8ada9ba36827cbd4d83fb69e237
7. 0x0745b97f1b7943cb9cfbce14086b4159a0488420e6879f00a27bc06535730c24
8. 0x6bd89eb963965d7d15e23de2417b6f4b344fb3a693dc034cbf032ee3fc2331b7
9. 0x259a8f62e3aa246feb7ec9af3e7725c1345e5d2a573b3b24c6b7bd479cacd7c3
10. 0x799af748a278188f9c62b046d3a85d0c1267a4af67aeaf337854a2e36cc39487
11. 0xda2a271b0447c8ac22315d2ea7582e04968ddef46c7cbd29d7462934a9b3b37a
12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae