addrbookFor publishers
← The evidence ledger

Evidence row 67050

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.losbeto.xyz/fear-greed
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5cfb2c0ef08d7c87b44dba2f2abe02df85992fcfcfba68fb36f94f8c22b95e0d
Leaf
0xe3f317e54f14e9bdddfdb1cb9451a8c838c75662dbd1596d373c8b4eb124e4d8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/fear-greed"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "44bdfde9a432",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "44bdfde9a432"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "44bdfde9a432",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "44bdfde9a432",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public sour...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public sour...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "classification": "Neutral",
              "interpretation": "Neutral — balanced market, no strong contrarian edge",
              "value": 54,
              "version": "48.33.6-FUZZWALL"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Search",
          "unique_selling_point": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact ins"
        },
        "sampleQueries": [
          "GET /fear-greed?preview=1  # free delayed sample",
          "GET /fear-greed  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "format": {
                      "description": "Response format (json)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "search",
          "sentiment",
          "crypto",
          "market-data"
        ],
        "title": "Fear Greed — Losbeto",
        "useCases": [
          "contrarian trading signal",
          "risk-off timing",
          "sentiment gauge"
        ]
      }
    },
    "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": "2026-10-25T16:01:09.608Z",
    "quality": {
      "l30DaysTotalCalls": 86,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T16:01:09.361Z"
    },
    "resource": "https://api.losbeto.xyz/fear-greed",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "search",
      "sentiment",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public sour..."
}

What the leaf hashes

{"body":"5cfb2c0ef08d7c87b44dba2f2abe02df85992fcfcfba68fb36f94f8c22b95e0d","id":67050,"kind":"listing","method":"baseline/1","observed_us":1793025462118612,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/fear-greed","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xe3f28c4eb38cc1a2a1a6b83ca4dc7ac8a4f1fda504077c82ce50c04a99047d15
  2. 0x58dc18d6de24e6d95b5bd1444b8de0bca8dbbb8e8d17362ec21e65899ca04375
  3. 0x730a4b9f4502ed71a80552a65278b2e52ac451c97a77f4557d44bd25529e5aaa
  4. 0x6137ddb25c406b1b40a3ce05e774781d15b0552a639f54fbda8a92978e5686ba
  5. 0x5b4e3fb6eb48f395ad7251b13c12a0861c9b7b0dc16e53a5df69c14d1a6316d2
  6. 0x7c1a33802969302bb35916e62668a9145a7082c21ec002775566d966efafb597
  7. 0x0551bdff0efad6d0e27030951469ab8506bacb2e9feaf493ede8a4aa6f566b6a
  8. 0x5d8d2ba9f65e9ef357250a8669a0d031f1edc46ce19dd31db05eaeaf3d352ff7
  9. 0x5d55b33bd58a0ad2780c5672ea48198907b20ad50ef1642d2ded48f99c30f942
  10. 0x249b79bed19d1f9d60c6d935894d3c7f842961834c52c966852cddf05d69629d
  11. 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
  12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
  13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
  14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON