Evidence row 278734

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": "20295a53d1ec",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "20295a53d1ec"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "20295a53d1ec",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "20295a53d1ec",
          "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": "2026-10-26T14:37:16.357Z",
    "quality": {
      "l30DaysTotalCalls": 80,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T14:37:15.42Z"
    },
    "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":"4d3614da44be3b29471a3dbbafcbae325cf65269d2847c7586d3bc1c448d0a9e","id":278734,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079053680,"prev":200477,"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. 0x8ada5a81ac975f45d2a3c147944abbdefa5ababc80beadeb11332841f45bb330
2. 0xcb320dc39efc084b2129e79493d805790ea1491818b33cb040f6b20d23498a72
3. 0xd384bae089ae2cb0e144d6e01a6ce1640778e9c235081ee0050cbee6aba79d7e
4. 0x72954509c88b30c8b6abbd2b80b423c6f8af96a220bf9d76d367f42eee578765
5. 0x6258cd295f35c1cb32d4b16795d7177fd9d826610a74b12601558c553bae682b
6. 0xd4da128462a093ec87245e8eb3ae2b15e5acf50553d57f79d017595938b16e04
7. 0x83fadd85bda0eb79cd7fb275214297b4129d99151e4a1d81330c897846b5d849
8. 0x8a1a05516bfc242dfaf6bbb69f3cd8e385f6d187e006f6251efa768243573284
9. 0x0283882ef8db831b6591883538b270508618ab56848219d4063b61adba5aafa9
10. 0x7d19a8f0d44d0c224dd4e1fd540ac67cd3370e926b73e965b2beb37e5ab9936b
11. 0x7d887da17795602ff54a7a2d145692904e47f8d3ab035b8db85d274d00bc9bfe
12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae