Evidence row 278798

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/mempool"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "e7ae9aab07d7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "e7ae9aab07d7"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "e7ae9aab07d7",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "e7ae9aab07d7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Live Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Live Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "fee_usd_estimate": 0,
              "network_load": "normal",
              "priority_fee_lamports": {
                "mean": 0,
                "n": 150,
                "p90": 0
              },
              "recommended_next": [
                {
                  "endpoint": "/onchain-credit",
                  "price_usdc": "0.0600",
                  "why": "same category as /mempool"
                },
                {
                  "endpoint": "/holder-concentration",
                  "price_usdc": "0.0500",
                  "why": "same category as /mempool"
                }
              ],
              "ts": 1793024546,
              "version": "48.34.1-GUARDFIX"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Live Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Utility",
          "unique_selling_point": "Live Solana network conditions: pending transaction pressure, current fee levels and prior"
        },
        "sampleQueries": [
          "GET /mempool?preview=1  # free delayed sample",
          "GET /mempool  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$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": "Live Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "utility",
          "data",
          "crypto",
          "market-data"
        ],
        "title": "Mempool — 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": "2026-10-26T14:23:27.532Z",
    "quality": {
      "l30DaysTotalCalls": 84,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T14:23:26.055Z"
    },
    "resource": "https://api.losbeto.xyz/mempool",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "utility",
      "data",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution."
}

What the leaf hashes

{"body":"7b4cf666749112f0e26a024756198e2f14a1c6f106db551144ed96f43c534c0b","id":278798,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079358939,"prev":15734,"subject":"x402_bazaar:https://api.losbeto.xyz/mempool","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. 0xea987f9f7a44d9ddd568b7bcd83c5e92f22b9c5746a31e730de69752a8e71f4e
2. 0xe70d2abe7264d38167c442a41867447f507d55d541950e9a010aa0d9f3cc3b5e
3. 0xe27d13e09f50e842517c6d1b69b1bc1ecba97e5de9f5406155d1fa1f054e4608
4. 0x80f9af0f77fc94ff9beacbfc1b2a8c436503aa81a44a840105101aa9f9e3093b
5. 0x576494a7ee2f3e02475245955be692ee192096005d6880896284cb6f036061be
6. 0x4b43e03a56f7640ea4727a9873c144a8938dd9bce6ad2e4ed98bb23629f49688
7. 0xf654487ff5426d032c3b2a531346106b11f6e04d1b500ded84bc08fe07a61d8e
8. 0xb424812626d99ca2a802d2b777ad7c876f1b2aeac7990771266c310aa1b8e481
9. 0xc9f660e7fd6ee4e67e210e92a1fbfffc05d279c753fd0df2747120ced4da24cf
10. 0x0b1df5c288d250f6413df247eae63beacd780bb30cceb7665cb037a67632c66b
11. 0xdcbb0cc500d2b659c111afe9a926b2aafdcc6f6d034768498b0b7295973f9245
12. 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae