Evidence row 278770

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/world-quote"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "39e018f0ae44",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "39e018f0ae44"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "39e018f0ae44",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "39e018f0ae44",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen, Hong Kong, London, Xetra, Euronext (Paris/Amsterdam/Milan), Madrid, SIX, TSX, ASX, NSE India — in one normalized, agent-ready...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen, Hong Kong, London, Xetra, Euronext (Paris/Amsterdam/Milan), Madrid, SIX, TSX, ASX, NSE India — in one normalized, agent-ready...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "market": "JP",
              "symbol": "7203"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "market": {
              "description": "market parameter",
              "type": "string"
            },
            "symbol": {
              "description": "Asset ticker, e.g. AAPL, TSLA, BTC, GOLD",
              "type": "string"
            }
          },
          "required": [
            "market",
            "symbol"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen, Hong Kong, London, Xetra, Euronext (Paris/Amsterdam/Milan), Madrid, SIX, TSX, ASX, NSE India — in one normalized, agent-ready schema. Call ?symbol=7203&market=JP, a suffixed ticker (?symbol=MC.PA), or just ?market=BR for the market flagship. Live sources only.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.02,
          "tier": "discovery",
          "vs_median_x402": 0.71
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "GlobalMarkets",
          "unique_selling_point": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen,"
        },
        "sampleQueries": [
          "GET /world-quote?preview=1  # free delayed sample",
          "GET /world-quote  # live data (returns 402 with payment challenge)",
          "GET /world-quote?symbol=7203&market=JP  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "market": {
                      "description": "market parameter",
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Asset ticker, e.g. AAPL, TSLA, BTC, GOLD",
                      "type": "string"
                    }
                  },
                  "required": [
                    "market",
                    "symbol"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen, Hong Kong, London, Xetra, Euronext (Paris/Amsterdam/Milan), Madrid, SIX, TSX, ASX, NSE India — in one normalized, agent-ready schema. Call ?symbol=7203&market=JP, a suffixed ticker (?symbol=MC.PA), or just ?market=BR for the market flagship. Live sources only.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "globalmarkets",
          "equities",
          "crypto",
          "market-data"
        ],
        "title": "World Quote — 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": "2026-10-26T14:28:41.862Z",
    "quality": {
      "l30DaysTotalCalls": 81,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T14:28:41.675Z"
    },
    "resource": "https://api.losbeto.xyz/world-quote",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "globalmarkets",
      "equities",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Global equity quote across 16 exchanges — NYSE/Nasdaq, B3, Tokyo (JPX), Shanghai/Shenzhen, Hong Kong, London, Xetra, Euronext (Paris/Amsterdam/Milan), Madrid, SIX, TSX, ASX, NSE India — in one normalized, agent-ready..."
}

What the leaf hashes

{"body":"f532e03bcffcde79c61e4c8a097bc14827b2899070634ae4425640d36739f515","id":278770,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079247595,"prev":15703,"subject":"x402_bazaar:https://api.losbeto.xyz/world-quote","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. 0x2aa5b4075ec5c2f775a2c910327ebfb39f1a74989c0e50c4e91c45efc540bea5
2. 0x893388b833c5cafbec5fe9aef9d55550efdcb11e3fb80fa039221af0b8ab089b
3. 0x894a0a514160f9ff5785a30c459aab52ac314e9129c717b18d0baead3c2a845f
4. 0x1047cb4fcddefb75d0ba3b95071ac48fcc1ef107a154d615136360e3cfbd9579
5. 0x83c36132f4632b958c900bbecfa8b2bee26f54bfe17701e1c96180b4c3402dca
6. 0x9f30f35f24575749cdeafce83039de719f020a4d6da7d7574f0a3e486c7a5853
7. 0xd8ff9df321a0fd9e5c7c13b9f65b067601bb778c8cb3d75acb92a76dc9a5105f
8. 0x25da665ef51f357e536735c26865ffac077f959c839b881aaa130775360baec0
9. 0x306383bec1eb54407a4a3a9ada117afeabbe1add493fca2695b1f0d5ebff1cd1
10. 0x4794af3ce7667b405167c54a941da6ec756bac415e8d990090cc042e6212d8fc
11. 0x7b0bb4483af5e03d9f02e715a84d790ec3df1fc57d38f1d1a5ed296a7e822d7f
12. 0xeab0020f03650c1a79ed79927ae9d808c59a41295a86d1285582516590c954e6
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae