Evidence row 278778

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/nova"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "b0131f3d1e66",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "b0131f3d1e66"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "b0131f3d1e66",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "b0131f3d1e66",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data).",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data).",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "3542519"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": "(2010 PK9)",
              "endpoint": "/nova",
              "factory": true,
              "params": {
                "id": "3542519"
              },
              "product": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data).",
              "source": "api.nasa.gov",
              "ts": 1793024555,
              "version": "48.34.1-GUARDFIX"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "id": {
              "description": "id parameter",
              "type": "string"
            }
          },
          "required": [
            "id"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data).. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "market-data",
          "unique_selling_point": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, clo"
        },
        "sampleQueries": [
          "GET /nova?preview=1  # free delayed sample",
          "GET /nova  # live data (returns 402 with payment challenge)",
          "GET /nova?id=3542519  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "id parameter",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data).",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "crypto",
          "market-data"
        ],
        "title": "Nova — 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": "2026-10-26T14:27:02.504Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T14:27:00.571Z"
    },
    "resource": "https://api.losbeto.xyz/nova",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Provides details about a Near-Earth Object from NASA's NEO feed (name, hazardous flag, close‑approach data)."
}

What the leaf hashes

{"body":"20e5a5e99135145061e2d20501d5e874a3dc9c07ab1c86011b53d11339f4745b","id":278778,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079293936,"prev":15713,"subject":"x402_bazaar:https://api.losbeto.xyz/nova","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. 0x67c8bc0560429d56bd39b3e17e2afc08ff8c87046eaba30a68eb592e82de3d0f
2. 0xa19466f800cc81515bacc88e56005cdae74d2e80e55be11dd3a39c55ab28c3b2
3. 0x4c3af4041613695731eefdd2aef48652f0f805095894d1b2bce6f9a76a5af20e
4. 0xc95ccce97fad2f9ddf7dc597d74a3ea773c07a4cab2a0f2b03c1e335f4d966f3
5. 0x7d957cf655041eb0df8c5e6e0741f7dc9e2de7a65307888f52887edd13f6e9d9
6. 0x237e921b6bd774d49601c0f1492596e42b4d9034cfe16fb622e6075df0024272
7. 0x7b763b691175d4d14f1d6ca8bb85c115b4cb9be7ced9f889f06388120fdc6419
8. 0xd5c5020c53e4eb928be7c17160ccacd74aa83ca63b93a07180ebe823c212937e
9. 0x13288c9f27a5bd23388a0ba6abf632e55acfde3a5ac34f9fa55b4fe5acfadbcb
10. 0x5dcc212c9908f2e34dd2b4875dc4504249562165079f2f9e4c59886cedb5b544
11. 0x077c74551bfc77d0c61421c3d34c02b1086f7d8fae7a09ac5ef6d43246c34a52
12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae