Evidence row 16437

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/multi-chain-arbitrage"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "60000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "64b86ca0e24e",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "64b86ca0e24e"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "64b86ca0e24e",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "64b86ca0e24e",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Real-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL/ETH opportunities above 0.5% in under 200ms.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Real-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL/ETH opportunities above 0.5% in under 200ms.",
        "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-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL/ETH opportunities above 0.5% in under 200ms.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.06,
          "tier": "core",
          "vs_median_x402": 2.14
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Trading",
          "unique_selling_point": "Real-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL"
        },
        "sampleQueries": [
          "GET /multi-chain-arbitrage?preview=1  # free delayed sample",
          "GET /multi-chain-arbitrage  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$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-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL/ETH opportunities above 0.5% in under 200ms.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "trading",
          "exclusive",
          "featured",
          "crypto",
          "market-data"
        ],
        "title": "Multi Chain Arbitrage — 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": "2026-10-26T13:12:32.571Z",
    "quality": {
      "l30DaysTotalCalls": 78,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T13:06:26.875Z"
    },
    "resource": "https://api.losbeto.xyz/multi-chain-arbitrage",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "trading",
      "exclusive",
      "featured",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time cross-chain spread scanner across Solana, Base and Ethereum. Flags USDC/USDT/SOL/ETH opportunities above 0.5% in under 200ms."
}

What the leaf hashes

{"body":"c8c637cd4dfa96814864b8bfb4642824fc2a6259c7442c5c321d7f960861191e","id":16437,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025323055439,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/multi-chain-arbitrage","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. 0xd8f54bdbb89dc6c0acb7d44933ee230dd5da5c8f133dabac2b5b1b04fae19f94
2. 0x3421f12e4e9267c55ad0abc8dc229531006f98430145cf00ae6b74e6e154c5c4
3. 0x629fd251a1550e7d85363596087f0e692577fc77557554d1c2f4d592313b5c28
4. 0x1769e76b3237b392bcc3aedcc7398e77dfaa54670908b37fff6e9ad1545f0bb9
5. 0xfef30d672c6b8a93257a6723b4e1036785e63598c462eee650248bcedf2f1535
6. 0x56b2b1ac903c8104a06668c04f29396bc9d86a2a7556aed6f7ef06bf062a7dfa
7. 0x32e100fbb58dc013c1f6c78636fdac6404a3215e3cc9fd1a805fd7c856feec7a
8. 0x243ea40d2f402d46027aeec0f40fad02243436c13f3275b1123ecd6b27e51f37
9. 0xb70320c30c9047039b9ad7306e3a8f258e2cc47dace4e2c691ca04dbfe0d2131
10. 0xcced339e83616c17d79611bcc0e7ac8b05c10472b6ca8350f4c914df1195d992
11. 0xd96796540b8f5b592d8f03fc775e7a26bd00af394ce468ff886a43215a522475
12. 0x07e91966e8a0c43a0725bd3d523259064a93333c2900e6171b69ffbfd9f423f1
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae