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Evidence row 119417

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/brazil/central-bank
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
98feea2b49c94f7081b8d1ebdd05ac90c636683c67d44f4257128be818fef797
Leaf
0xa1b5cf87f052aca2ed48110f0889ae47316d2189a87bf6d64ce142134b611ff1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/brazil/central-bank"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:brazil-bcb",
          "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": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:brazil-bcb",
          "name": "USD Coin",
          "note": "Polygon 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": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:brazil-bcb",
          "name": "USD Coin",
          "note": "Arbitrum 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": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:brazil-bcb",
          "reference": "6ftvGzX7qmxr5fHXVwiuAZFjgbfcksmSwg1CyY6emsyj",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpicmF6aWwtYmNiIiwicmVmZXJlbmNlIjoiNmZ0dkd6WDdxbXhyNWZIWFZ3aXVBWkZqZ2JmY2tzbVN3ZzFDeVk2ZW1zeWoiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ3NTMwMzE5N30.jk5NPspEOQyVjxddJUyjcIYE7iALQE0_eEppkL1XpDA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:brazil-bcb",
          "reference": "HitMWpuEEbHnpRaJTXmVHcENkbbPqHXjBiagZDbcPGMw",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpicmF6aWwtYmNiIiwicmVmZXJlbmNlIjoiSGl0TVdwdUVFYkhucFJhSlRYbVZIY0VOa2JiUHFIWGpCaWFnWkRiY1BHTXciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ3NTMwMzE5N30.qGULinjR3oRIls6TYRi20HdAIDD3I4csrpBV76v0DoA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92635",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:brazil-bcb",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "95501",
          "reference": "Gnrqb7GQBBHjicqTEUTGbx9pqymViZwxB6jWtPLGxcp3",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpicmF6aWwtYmNiIiwicmVmZXJlbmNlIjoiR25ycWI3R1FCQkhqaWNxVEVVVEdieDlwcXltVmlad3hCNmpXdFBMR3hjcDMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTI2MzUsImV4cCI6MTc5MjQ3NTMwMzE5N30.Otam8sFjJLiT9PgWD5QbHsD8L0WxvRMGE3rzHEVikBw",
          "solUsdPrice": 104.71
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Brazil central bank time series - Selic rate, IPCA and IGP-M inflation, USD/BRL, EUR/BRL, CDI and unemployment from Banco Central SGS",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": "5",
              "series": "selic"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "description": "Selic target rate",
              "latest": {
                "date": "2026-11-04",
                "value": 13.75
              },
              "points": [
                {
                  "date": "2026-10-31",
                  "value": 13.75
                },
                {
                  "date": "2026-11-01",
                  "value": 13.75
                },
                {
                  "date": "2026-11-02",
                  "value": 13.75
                },
                {
                  "date": "2026-11-03",
                  "value": 13.75
                },
                {
                  "date": "2026-11-04",
                  "value": 13.75
                }
              ],
              "series": "selic",
              "sgs_code": 432,
              "source": "Banco Central do Brasil, SGS time series",
              "unit": "% per year"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "optional latest observations 1-60 (default 10)",
                      "type": "string"
                    },
                    "series": {
                      "description": "selic (default), selic-daily, ipca, igpm, usd-brl, eur-brl, cdi or unemployment",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "description": {
                      "description": "Short description",
                      "type": "string"
                    },
                    "latest": {
                      "description": "Most recent value or version",
                      "type": "object"
                    },
                    "points": {
                      "type": "array"
                    },
                    "series": {
                      "description": "Time series of values",
                      "type": "string"
                    },
                    "sgs_code": {
                      "description": "Sgs code",
                      "type": "number"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "unit": {
                      "description": "Unit of measure",
                      "type": "string"
                    }
                  },
                  "required": [
                    "series",
                    "latest"
                  ],
                  "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": "2026-10-20T05:46:23.232Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T05:46:22.763Z"
    },
    "resource": "https://saylorinnovations.com/api/brazil/central-bank",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "selic rate brazil",
      "ipca inflation brazil",
      "usd brl exchange rate",
      "banco central do brasil api",
      "brazil interest rate"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazil central bank time series - Selic rate, IPCA and IGP-M inflation, USD/BRL, EUR/BRL, CDI and unemployment from Banco Central SGS"
}

What the leaf hashes

{"body":"98feea2b49c94f7081b8d1ebdd05ac90c636683c67d44f4257128be818fef797","id":119417,"kind":"listing","method":"baseline/1","observed_us":1793025615322369,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/brazil/central-bank","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).

  1. 0xa1b54dd73cfd77d10d3fa6ee2b67cc6a1261a2b25c668f1eaef54cde00df8f80
  2. 0xf37cc4bb4c413f2d937c7c192bac7071381177904ac34484c9e000c721fa30bc
  3. 0x5a339a829a713f34d75ff21b319b3dd87edcfa5d295c25c3056927fb4c6bacf3
  4. 0x56b69d455224b9dfe72d1eba0095d4ea281dd3907188c47c476f0b187d02a351
  5. 0x1ac572859d4ef6a39d5771e2334c7fc4160dbc21f01bd50ddb268358387bb216
  6. 0xf67015dce30909dbca3c07c7dc65a7d8e31a0b456a71f66a6ae42fe7725625c4
  7. 0x465d97f0ef74fa3e9b0b42ea794a9592f16f6512da72fefcc40d728f98c9ad51
  8. 0x4211677b07c6760e313374125ec1cc29b609e7dcfaecbb88aa514524c6812048
  9. 0x3977c977191cf3ef1caf8318d813f4839d1c2bf747123c253c44690bd7a4b0c9
  10. 0xb3f8079d3f950c3f93c2829ed52d6d83dba720fdb1aef8897303edba370e9d0f
  11. 0x9ca444fcd24e94bee95de2e8d69f385e59ecdaff6c1b017632bff037809c381b
  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

How to check it · This row as JSON