Evidence row 15719

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/fetch"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "60ed83c45900",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "60ed83c45900"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "60ed83c45900",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "60ed83c45900",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Fetch any public web page or API and get it back as clean JSON — status, content type, final URL after redirects and the body as text, size-capped. The mid-task primitive agents use to read a doc, open a link or pull...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Fetch any public web page or API and get it back as clean JSON — status, content type, final URL after redirects and the body as text, size-capped. The mid-task primitive agents use to read a doc, open a link or pull...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com"
            },
            "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": "Fetch any public web page or API and get it back as clean JSON — status, content type, final URL after redirects and the body as text, size-capped. The mid-task primitive agents use to read a doc, open a link or pull a page beyond their training cutoff.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Utility",
          "unique_selling_point": "Fetch any public web page or API and get it back as clean JSON — status, content type, fin"
        },
        "sampleQueries": [
          "GET /fetch?preview=1  # free delayed sample",
          "GET /fetch  # live data (returns 402 with payment challenge)",
          "GET /fetch?url=https://example.com  # with parameters"
        ],
        "schema": {
          "$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": "Fetch any public web page or API and get it back as clean JSON — status, content type, final URL after redirects and the body as text, size-capped. The mid-task primitive agents use to read a doc, open a link or pull a page beyond their training cutoff.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "utility",
          "fetch",
          "web",
          "crypto",
          "market-data"
        ],
        "title": "Fetch — 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": "2026-10-26T14:25:38.785Z",
    "quality": {
      "l30DaysTotalCalls": 81,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T12:57:30.372Z"
    },
    "resource": "https://api.losbeto.xyz/fetch",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "utility",
      "fetch",
      "web",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch any public web page or API and get it back as clean JSON — status, content type, final URL after redirects and the body as text, size-capped. The mid-task primitive agents use to read a doc, open a link or pull..."
}

What the leaf hashes

{"body":"8fdc57e40d1c6a870defd2c56c2408ebc1bd091ff919100a4da97f0d539cf262","id":15719,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025321278534,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/fetch","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. 0x878c412a48660a40b8933ae0e1b5a156d54185d239cedf4386c68f703e3206ca
2. 0xf4a3f69f0731325ede6f54255280e9cef676412402cb17b00bda672a825d0ee2
3. 0xa13e45c9fdb618c4fd6d982fcc7eb4b91fa0adfa66216b1933d2e01f163c4bbd
4. 0x286f29a19849ece12b439d47c9ecbe205bcd2d4c64d40c449f948af54de92756
5. 0x5c90d5ebca664cf2db7120ff32da547f0904d38a53739d5acccf6324fc6eae36
6. 0x9f5bd11392c5932044c0c270205355c100abda6c593e4d24bbe984595613b859
7. 0x774f80247f9f367d114ab3b94673d3bea3141c79a3a900c380c9e215f341457c
8. 0xa0c22673630661a3b4cc09ae386e332e40604888a49818a8c70517483a1ae03f
9. 0x839abfa1824d480bed5cc8d80800127bd639ede8584876e29d2899c3132f94a9
10. 0xe0e4a60716d95ec12c35a9b9e1bff1012120a026fa97f38064a594590f5c029f
11. 0xab0c5c1fde083e427b8955a771d679773808751fc069bed2944e88e84fcb655e
12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae