Evidence row 547427

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/cross-chain"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "60000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "87909ce949db",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "87909ce949db"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "87909ce949db",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "87909ce949db",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionable direction and the size the spread survives.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionable direction and the size the spread survives.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionable direction and the size the spread survives.. Tier: core. Live via x402 or credits; free delayed preview via ?preview=1. Auditable on-chain settlement; Ed25519-signed metrics.",
        "pricingRationale": {
          "notes": "Aligned to x402 ecosystem median (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.06,
          "tier": "core",
          "vs_median_x402": 2.14
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Trading",
          "unique_selling_point": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionabl"
        },
        "sampleQueries": [
          "GET /cross-chain?preview=1  # free delayed sample",
          "GET /cross-chain  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "format": {
                      "description": "Response format (json)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionable direction and the size the spread survives.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "trading",
          "bridge",
          "crypto",
          "market-data"
        ],
        "title": "Cross Chain — Losbeto",
        "useCases": [
          "market data input",
          "AI agent research",
          "systematic trading"
        ]
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790529703/bazaar-icons/b104f2f7df1a4ce6.png",
    "lastUpdated": "2026-10-27T00:13:22.27Z",
    "quality": {
      "l30DaysTotalCalls": 76,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T00:13:21.774Z"
    },
    "resource": "https://api.losbeto.xyz/cross-chain",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "trading",
      "bridge",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real spread between Solana (Jupiter) and CEX venues (Binance, CoinGecko) with an actionable direction and the size the spread survives."
}

What the leaf hashes

{"body":"f2b852f4d9bc5f90a7a626428c179ce8caa7164eb2f29924c2cbd028dd8a5e55","id":547427,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133196780104,"prev":425522,"subject":"x402_bazaar:https://api.losbeto.xyz/cross-chain","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. 0x51bdfc82d51a4b8ae3b1fc0e0ea278ae3168b57467122c9ed05cd5a80a467bb3
2. 0x274c806d00d561e29e82b6506f689e361f075df83829af7d3ce66af80abb2a8f
3. 0xe667d3d883ff6c4a6f6c75a3e503612e493336bfbc9ac49a6a408cec37f09122
4. 0x578062665ac145fa29700d8482ba5811ded9125deb36c1dd41fd8d6ce462cdc3
5. 0xd59f62896dd2e9661255ed8199adc36b638ca94007cbc468422462c9d95fbe89
6. 0x4dc7b7eadf09719de867638478af56926804096fad4531878f33448722abd42e
7. 0x0008714043e20953993d7209892caee58ae2c7fc51c5e3d3b16f864f1ee88b0a
8. 0xf7897e3d31fc4794b1e3c10c5d5a5193ed274b62d9f7d631293ec63bba1e633b
9. 0x403d992032f1b58002ba193557a5b7810b3161fa693950dd5907ae7bc4b3ae47
10. 0x6e46798d14e5a5c4bf9d227d719adbc4b1acb92d8689bdbde8830494d41e18ee
11. 0x81645620171c2c6f27f7bd62ae903898bfa58255299711c41ce1c3f4e4618954
12. 0xd57b5a86cf210d9ed4e220de5668cf59c88f82934bf7c8ef9e6b3e894577973c
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4