Evidence row 456470

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway-production.up.railway.app/api/crypto/markets"
    ]
  ],
  "name": "x402-gateway-production.up.railway.app/api/crypto/markets",
  "owner_address": "0x7dd5be069f2d2ead75ec7c3423b116ff043c2629",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
        "scheme": "exact"
      },
      {
        "amount": "2000000000000000",
        "asset": "0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7",
        "extra": {
          "name": "USDm",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4326",
        "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa",
        "scheme": "exact"
      }
    ],
    "description": "x402engine — Market rankings with price, volume, market cap — filterable by category",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "decentralized-finance-defi",
              "currency": "usd",
              "limit": 100,
              "order": "market_cap_desc",
              "page": 1
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "category": {
                      "description": "Filter by category ID",
                      "example": "decentralized-finance-defi",
                      "type": "string"
                    },
                    "currency": {
                      "default": "usd",
                      "description": "Fiat currency for pricing",
                      "example": "usd",
                      "type": "string"
                    },
                    "limit": {
                      "default": 100,
                      "description": "Number of results (1-250)",
                      "example": 100,
                      "type": "number"
                    },
                    "order": {
                      "default": "market_cap_desc",
                      "description": "Sort order",
                      "example": "market_cap_desc",
                      "type": "string"
                    },
                    "page": {
                      "default": 1,
                      "description": "Page number (1-500)",
                      "example": 1,
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:45:30.107Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-23T19:48:03.652Z"
    },
    "resource": "https://x402-gateway-production.up.railway.app/api/crypto/markets",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402engine — Market rankings with price, volume, market cap — filterable by category"
}

What the leaf hashes

{"body":"12f0cc08131294553b4cf3388b9892a3046f9f9322b002481185a0124864d625","id":456470,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100958808479,"prev":125291,"subject":"x402_bazaar:https://x402-gateway-production.up.railway.app/api/crypto/markets","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x884554f1bb4833ea79ad9bb89409c508b19e481bdbd643e137ee8b6b876cda26
2. 0xf5e9c12e9b1d8b2c2a6dca77664ed206e439e6d13a8f9e71300a35520c42fa4b
3. 0x84d057730c47b654800ef2e2791019991522b4673ba554cbacf150a6c77a1274
4. 0x573e622bd00f0c024220ab924ab64c97b75504afc821b8f895fa75d99f460103
5. 0x0b1c8444cd8ab38f6de8dfd85da3a04efd6d893d8d9c308f948b4bef1b8a9a81
6. 0xfbe6cb6d9389c4c902c96ce7d98f4f8f399e40ad929c892883afb5af94edbea0
7. 0x0c5757f0971cf85b4ad420829b0b9121aa22ad1ffd7dae99b673ca59e4225ae9
8. 0x6b28eba0a32491c99d12447308f59be265dc24bdeab21514d55773228d2510c3
9. 0xa2c263592feec75135a84afc7c358d2ec5050810e89bf922591a8ce81c7ab912
10. 0x81f89e3069fb48b6835de1962628cc388439a3163ac4e01f69f894aedd6239cf
11. 0xe661124afe6da658d35cc39e5dfcb10ff9056b0c88a42fc174890e77d2c26ca5
12. 0x470f6acef0d823e6f9e5fa35684563c8f27c3d338b165b457171afc3d44d4d86
13. 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4