Evidence row 72997

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://currency-api-production-4a8d.up.railway.app/crypto/price"
    ]
  ],
  "name": "currency-api-production-4a8d.up.railway.app/crypto/price",
  "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": "Current price, market cap, and 24h change for a single cryptocurrency by symbol or name (CoinGecko).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "coin": "bitcoin",
              "vs_currency": "usd"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "cached": false,
              "change_24h_pct": 1.85,
              "coin_id": "bitcoin",
              "market_cap": 1327000000000,
              "price": 67250,
              "query": "bitcoin",
              "source": "CoinGecko",
              "vs_currency": "usd"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "coin": {
                      "description": "Cryptocurrency symbol or name, e.g. 'bitcoin', 'btc', or 'ethereum'.",
                      "type": "string"
                    },
                    "vs_currency": {
                      "description": "Quote currency code, e.g. 'usd'. Defaults to usd if omitted.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "coin"
                  ],
                  "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": {
                    "cached": {
                      "type": "boolean"
                    },
                    "change_24h_pct": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "coin_id": {
                      "type": "string"
                    },
                    "market_cap": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "price": {
                      "type": "number"
                    },
                    "query": {
                      "type": "string"
                    },
                    "source": {
                      "type": "string"
                    },
                    "vs_currency": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T20:36:54.645Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-25T20:36:54.387Z"
    },
    "resource": "https://currency-api-production-4a8d.up.railway.app/crypto/price",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current price, market cap, and 24h change for a single cryptocurrency by symbol or name (CoinGecko)."
}

What the leaf hashes

{"body":"ff89a860c9bc4d406e4d5dbded403f8854a814f1b43d13706a99a5386006fd6e","id":72997,"kind":"listing","method":"baseline/1","observed_us":1793025486919766,"prev":null,"subject":"x402_bazaar:https://currency-api-production-4a8d.up.railway.app/crypto/price","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. 0x6feb2106347b82af5412aa675f946ce624b64cc6cc99cfcc8136fceaa38632f5
2. 0x869d7b5e13edb42f3782371e2358de6d3254df96e4953b30e8d6ce42fec3380f
3. 0x23f8d4a9468b758f8e9d9b80973f00a9bd6065394de4d692ee88991973bdabcf
4. 0x28e6335cdd4a931d0dc1cfc5dcd0ee3f138abd91938a9084d648933973c3de64
5. 0xc1fa89395f9475184c0a893253e1c4b0fdbb4e1dc9e95e79fe0f8ec9a16098f3
6. 0x429beba82cbcb002cd7a32fa32c3f7ea3fd8ef5ea2ed60cc492d19605427c043
7. 0x1bfc5ddfb636b07b61fc815f1dd8d6867bb328b97e4a502eaa03036497efb2d5
8. 0xc622b0e4feea64dfe6a36ddd176592f21606099b9a5f4e3810f7c25190495210
9. 0x880dd3b83e54407a49b3a4717c1031e42ce21a8b91688fc932b162fcbdcbfa09
10. 0x19792535bf1364a9338820b204b05ce0f6bf3690fa1496a73e82726a450f66c4
11. 0x83da3d3b0ffc00454b09f0b6f54a0a4bb8b5fabd87854d6bb2d7abda681b5d72
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae