Evidence row 236174

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/gas-price"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "29211a61f14c",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "29211a61f14c"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "29211a61f14c",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "29211a61f14c",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoothing self-fed by every paid call) with a send-now/wait recommendation. The model improves with usage.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoothing self-fed by every paid call) with a send-now/wait recommendation. The model improves with usage.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {},
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoothing self-fed by every paid call) with a send-now/wait recommendation. The model improves with usage.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.001,
          "tier": "discovery",
          "vs_median_x402": 0.04
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "ChainData",
          "unique_selling_point": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoo"
        },
        "sampleQueries": [
          "GET /gas-price?preview=1  # free delayed sample",
          "GET /gas-price  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {},
                  "required": [],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoothing self-fed by every paid call) with a send-now/wait recommendation. The model improves with usage.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "chaindata",
          "utility",
          "mlforecast",
          "crypto",
          "market-data"
        ],
        "title": "Gas Price — 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": "2026-10-26T15:21:57.006Z",
    "quality": {
      "l30DaysTotalCalls": 49,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-25T18:39:17.872Z"
    },
    "resource": "https://api.losbeto.xyz/gas-price",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "chaindata",
      "utility",
      "mlforecast",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Base gas price PLUS an ML forecast ~10 minutes ahead (Holt double-exponential smoothing self-fed by every paid call) with a send-now/wait recommendation. The model improves with usage."
}

What the leaf hashes

{"body":"8506f7d4cb01dd3a89057245d3b33b819e05ec643135c1ffee9eb1a5cc893213","id":236174,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793028710335448,"prev":15755,"subject":"x402_bazaar:https://api.losbeto.xyz/gas-price","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. 0xd703010a1706df8d3cac7664ea0db1ec655116f20fee1079a82faf6176d9c364
2. 0x15ddf74c529a45a12e8a3d7ae045659dc5b2253c08fff848f72e0b807f703e66
3. 0xc16a7a7a88fd80d4c643142e5975135119b1a119785aff76e342e4e4186ff62c
4. 0xa703ada838ff7b9c7e447b2ce91468d667085f0d6969fa954a8b2d21012591a7
5. 0x59a8a2982458d1db0c8808721aa8a43b5864e443e8aeb22ea206247a602ad427
6. 0xfec34274f8df45bf50aa2c1d5067375745002fc8a50850ffeb07f88c2630d482
7. 0x84748ca89da2a7e593086d58dc1dc5ef96e3302e13d89fea757f00b26041e707
8. 0xb43c826bfe0743c2b684486b183165dad772c761c6a2b07dee5fe84cc7b76847
9. 0xda40352f4c3e9bb16eb1be95235380e545a169dcbe4a5adb1d4681bd81972196
10. 0x206287918135573a87e376ef5dd28f3e452e64e037a8e2c8a8f5db3f0e0e7d4c
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae