Evidence row 278746

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/x402-audit"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "6209e99d9c79",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "6209e99d9c79"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "6209e99d9c79",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "6209e99d9c79",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://api.example.com/endpoint"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "url": {
              "description": "Public http/https URL to fetch (internal/private ranges refused)",
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, discovery extension — plus failure modes learned the hard way operating a live paid node: oversized headers that abort Node clients, unpadded base64 that breaks strict.... 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.05,
          "tier": "core",
          "vs_median_x402": 1.79
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Verification",
          "unique_selling_point": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit an"
        },
        "sampleQueries": [
          "GET /x402-audit?preview=1  # free delayed sample",
          "GET /x402-audit  # live data (returns 402 with payment challenge)",
          "GET /x402-audit?url=https://api.example.com/endpoint  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "Public http/https URL to fetch (internal/private ranges refused)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, discovery extension — plus failure modes learned the hard way operating a live paid node: oversized headers that abort Node clients, unpadded base64 that breaks strict...",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "verification",
          "trust",
          "infrastructure",
          "crypto",
          "market-data"
        ],
        "title": "X402 Audit — 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": "2026-10-26T14:34:17.044Z",
    "quality": {
      "l30DaysTotalCalls": 79,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T14:34:16.8Z"
    },
    "resource": "https://api.losbeto.xyz/x402-audit",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "verification",
      "trust",
      "infrastructure",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d..."
}

What the leaf hashes

{"body":"28da8677f2c26b25acb5e4ce3e586a89035d2f2f4bd0b85e072b9ff5e1dd4fb9","id":278746,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079100087,"prev":200490,"subject":"x402_bazaar:https://api.losbeto.xyz/x402-audit","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. 0xaf181bfbc900959077ade4ff8ef4a754b9d95cbaad33fa9639bf03532bf480e2
2. 0xc38af6d45b5864168a5950a55262912ef58f22738946800f5b7fc1deddb326f7
3. 0xe5c62741f7f25466d486f0d409dc41781edf951df032f5495aa072d84fbbd339
4. 0xd6f65226902c4412c1d1117a7d64156f4c50cddb57d1b13705a007376aa984b4
5. 0x2970ed5a7b9e0a20bb64843f034d91ca6f9f6f733eee201b6e7ed5871ffdc840
6. 0x8b4ff1c8053208225485153c53184e19b0f684f530ea0fb6b795c2199e8687e9
7. 0x589771e91730fa7f60d744a67a8932749d2a95f8a7fc8efca53223a75ce360bc
8. 0xc4467f6f91c72b18ff817007efd0ef2b7969e758ea47595c67aba5b3a882b646
9. 0xac97b06775665004c51ae66ecc29bd1a92b27f193962906447c8a24f5640bab8
10. 0x3107fa81688f3046afda2f948045d364316b247469a8a303ed99d9184e826a89
11. 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae