Evidence row 72998

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://currency-api-production-4a8d.up.railway.app/crypto/prices"
    ]
  ],
  "name": "currency-api-production-4a8d.up.railway.app/crypto/prices",
  "owner_address": "0xffc458db291b4abce020fe3de4f91f2770e537b1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1",
        "scheme": "exact"
      }
    ],
    "description": "Batch current prices, market caps, and 24h changes for up to 50 cryptocurrencies by symbol or name (CoinGecko).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "coins": [
                "btc",
                "eth",
                "sol"
              ],
              "vs_currency": "usd"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "errors": [],
              "queries": [
                "btc",
                "eth",
                "sol"
              ],
              "results": [
                {
                  "change_24h_pct": 1.85,
                  "coin_id": "bitcoin",
                  "market_cap": 1327000000000,
                  "price": 67250,
                  "query": "btc"
                },
                {
                  "change_24h_pct": 2.1,
                  "coin_id": "ethereum",
                  "market_cap": 423000000000,
                  "price": 3520,
                  "query": "eth"
                },
                {
                  "change_24h_pct": 3.4,
                  "coin_id": "solana",
                  "market_cap": 78000000000,
                  "price": 172.4,
                  "query": "sol"
                }
              ],
              "source": "CoinGecko",
              "vs_currency": "usd"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "coins": {
                      "description": "Up to 50 cryptocurrency symbols or names to price in one batch, e.g. ['btc', 'eth', 'sol'].",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "vs_currency": {
                      "description": "Quote currency code, e.g. 'usd'. Defaults to usd if omitted.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "coins"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "errors": {
                      "description": "Per-coin errors for queries that could not be resolved or priced.",
                      "type": "array"
                    },
                    "queries": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "results": {
                      "description": "Per-coin price records: query, coin_id, price, market_cap, change_24h_pct.",
                      "type": "array"
                    },
                    "source": {
                      "type": "string"
                    },
                    "vs_currency": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T20:38:33.779Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T20:38:33.575Z"
    },
    "resource": "https://currency-api-production-4a8d.up.railway.app/crypto/prices",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Batch current prices, market caps, and 24h changes for up to 50 cryptocurrencies by symbol or name (CoinGecko)."
}

What the leaf hashes

{"body":"bcb7a0d7e21f1f46c7499f2f19b87d7b7bc85d96944416e5d36f10c50b02feaf","id":72998,"kind":"listing","method":"baseline/1","observed_us":1793025486920656,"prev":null,"subject":"x402_bazaar:https://currency-api-production-4a8d.up.railway.app/crypto/prices","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. 0x3a8ad519c6a36e79c4c888797d3c6d938783948216336404745960c889fcfd9c
2. 0xf0c7dbfcd54ab1c00cf43e601c9411e8602c34e7180d1c7433161621efb2d360
3. 0xf1596d659b8f32ce1c1ba6f2bd90ac36c648991406147a6257506ecf7ea13ff1
4. 0x751eabe9194c0634fa9acbafa3e292c62b10ca5e12330819665cdfdef6825cac
5. 0x73605512ba7c9fe49a6a913ce1f0eae64376729e47f365018a6ca249a7f99138
6. 0x9ffbbf243b0b0558dbb1f5ad777a9aa7aa29367d146adbb22814515b24ad069b
7. 0x6677ddf6167a65ce72fd39136bf542792d0497afe9c965f72bc72ea41258124e
8. 0x9141b81cdea4d08efd8ab22c31829b1db038b6b766e3504178f720302d425116
9. 0x0955a8913c350c9c9ef2cc0992a5f48059533b9ac5d73b2b5427ca48abc7f553
10. 0x863fdad252f29b9d159c447e1d98ff6a548fe9d1906f3279b63f975f260e25a5
11. 0x229584c1d304842544db84ca7b368b5ececeb9d3bea2b23265eba1c7595d1220
12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae