Evidence row 278791

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/dex-screen"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "8a78213499b7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "8a78213499b7"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "8a78213499b7",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "8a78213499b7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is actually tradable. [Wrapper over a free public source (https://api.dexscreener.com (public, free)) — you pay for one schema, one p...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is actually tradable. [Wrapper over a free public source (https://api.dexscreener.com (public, free)) — you pay for one schema, one p...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "query": "SOL"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "query": {
              "description": "Free-text search query",
              "type": "string"
            }
          },
          "required": [
            "query"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is actually tradable. [Wrapper over a free public source (https://api.dexscreener.com (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]. Tier: discovery. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Trading",
          "unique_selling_point": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is act"
        },
        "sampleQueries": [
          "GET /dex-screen?preview=1  # free delayed sample",
          "GET /dex-screen  # live data (returns 402 with payment challenge)",
          "GET /dex-screen?query=SOL  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "query": {
                      "description": "Free-text search query",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is actually tradable. [Wrapper over a free public source (https://api.dexscreener.com (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "trading",
          "dex",
          "crypto",
          "market-data"
        ],
        "title": "Dex Screen — 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": "2026-10-26T14:24:27.463Z",
    "quality": {
      "l30DaysTotalCalls": 82,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T14:24:27.255Z"
    },
    "resource": "https://api.losbeto.xyz/dex-screen",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "trading",
      "dex",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "DexScreener pair snapshot with liquidity, 24h volume and pair age, filtered to what is actually tradable. [Wrapper over a free public source (https://api.dexscreener.com (public, free)) — you pay for one schema, one p..."
}

What the leaf hashes

{"body":"9ba412c695049cd348849b934f4ba673c19d976d8a46fe39f4f443bd65fb9d5d","id":278791,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079331065,"prev":15727,"subject":"x402_bazaar:https://api.losbeto.xyz/dex-screen","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. 0xe81022c1df86f4c3825384601c957cec8831faace67c221b47a7db8f564db5ef
2. 0xe27859916b8a5e164bab3699a1df61ecbfab5fb7eca982a3573ea6aaca7f1a52
3. 0x6c58c517cbd9d30efe66cd126d311d5481e68478e4d372d528547cb346ed9b5f
4. 0x8c3d4ac9d4b74b5b52b079c91ced8653e864e2fcc42a3d7ca2837e1b2e23bb9a
5. 0xb33f1bb17c4514c13aac72f957a7f560f7d0aeae86afbefa65a683a8cde2b6bb
6. 0x9625c7cc163df2c76f937cf4ef56e62cc0c75218f33d9e90833b426020070ab6
7. 0xde1d13ea60cfd6254ce734357e3ff9ce2c977f5e176809ebfc74f5e8c9777384
8. 0x8d093ee350c7e6508edd67695bf26bc0dff767464837c3a833efbddd7f3ad749
9. 0x906709e3fd2b7111ea1324f57e81bc9bddfdd97d1f1474567f4bb90d7b4cf364
10. 0xdcf8f946c4e700e867538a2fcf3231d4a1788831144ee814093e20884cc85b1a
11. 0xf9ef09a725d52af13e504e0eafd5a3073b223792ca665fa964297ee3fc3cee9b
12. 0x3d0b5282d5282c30fc9f86662367cab01d0dba65f13d2968391a7d087b79dfb3
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae