Evidence row 200482

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/arbitrage"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "60000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "56ffc48a41a5",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "56ffc48a41a5"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "56ffc48a41a5",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "60000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "56ffc48a41a5",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, spread, and the direction to take.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, spread, and the direction to take.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "opportunities": [
                {
                  "binance": 118.7,
                  "coingecko": 592.54,
                  "spread_pct": 399.191,
                  "symbol": "XMRUSDT"
                }
              ],
              "recommended_next": [
                {
                  "endpoint": "/agent-call",
                  "price_usdc": "0.1000",
                  "why": "same category as /arbitrage"
                },
                {
                  "endpoint": "/alpha-signal",
                  "price_usdc": "0.0800",
                  "why": "same category as /arbitrage"
                }
              ],
              "version": "48.34.1-GUARDFIX"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, spread, and the direction to take.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.06,
          "tier": "core",
          "vs_median_x402": 2.14
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Trading",
          "unique_selling_point": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, s"
        },
        "sampleQueries": [
          "GET /arbitrage?preview=1  # free delayed sample",
          "GET /arbitrage  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$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": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, spread, and the direction to take.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "trading",
          "execution",
          "crypto",
          "market-data"
        ],
        "title": "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": "2026-10-26T14:36:24.836Z",
    "quality": {
      "l30DaysTotalCalls": 76,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T13:05:39.642Z"
    },
    "resource": "https://api.losbeto.xyz/arbitrage",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "trading",
      "execution",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cross-exchange and cross-chain arbitrage scan with actionable opportunities: venue pair, spread, and the direction to take."
}

What the leaf hashes

{"body":"0f32c4c82e645da08fa43b4b827b1f6989b52f944749c3d6efd15dd005b915e8","id":200482,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025933715615,"prev":16450,"subject":"x402_bazaar:https://api.losbeto.xyz/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. 0xc54418983a0ad958e4b673701865e41b940ec8e468fbdbaf602432275e931146
2. 0xceea4967fdcf1ae75bd7a2645b045913664d6b958a3d258896c044f1e172ea7e
3. 0xba6bbc550100390c2b240df9e30a19a64da69d5410af03128f24878eef7346fa
4. 0x59af22083e6d2a6c2a17797e49bc35872809219e0e73f99750de090c88ac809f
5. 0x9dcbcfe9cdf7d62192ebae4cdcb6b6a95c0f609ab7df1d246084a7b9653bc8e2
6. 0xa7bfb3453365658c66bbaa9933e0ae87b6c19dbe52d6a0cd7b77ad497af24c07
7. 0xce434007822363d0b44e33795e54c02a78d8337601171b4b83c16fce2bf1e98c
8. 0x5c1099954edc1ca435f7832cec616d721e764ba7baf7715f0763426a39179894
9. 0xf9c2b7163c58fd9f97b54be575e7f72e77eca742957a369b168b00975ec9a7ec
10. 0x898f645f86c84a3076cc9b37a95ad7e2490fbce031f5f2e0257dd07699f9e829
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae