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Evidence row 278799

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.losbeto.xyz/fear-greed
Recorded
Previous row
#218891
Body SHA-256
d5188bec61461a8739d3e749f9e6b4b52bfc39e5f002b8293e1ae2c41a704e98
Leaf
0x02d034cc508b36f2b60dd9d20b0000cdff5e0d87f8927fbfd351be7c568d84c8

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": "4a6cdb2365a0",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "4a6cdb2365a0"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "4a6cdb2365a0",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "4a6cdb2365a0",
          "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": 50,
              "version": "48.34.1-GUARDFIX"
            },
            "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": "2026-10-26T14:23:15.432Z",
    "quality": {
      "l30DaysTotalCalls": 88,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T14:23:13.707Z"
    },
    "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":"d5188bec61461a8739d3e749f9e6b4b52bfc39e5f002b8293e1ae2c41a704e98","id":278799,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079362566,"prev":218891,"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. 0x02d06362de282031191112edbb03c0915a71152b39d8daa79b28bd1237e244f8
  2. 0x43a0d43a0d2861dbd9ce8cbcc6a003bfe5c4f00e7ec48b86ada263a6f1854adb
  3. 0xdb059f4ea8d4d58fdf3fa6a5fba49addf149acc4fecec1c1624869625b33d7f7
  4. 0xc6dfdb8dc53ba3720a51f8b66398e1811fe4da096065caa42100b64927f9f28c
  5. 0xd34b4936103b0c4d0164ba001d5c327ddf807cab4f15759a6c3df320bb70a282
  6. 0x4d8da7757378ae77ec6e43e5cc734308d50eb010fb663c58da35d8d75a684441
  7. 0xcb3dcf4b769f000bc7823c7fdd890b6674ceb80e627a6be57868700be793fee1
  8. 0x0e9331fa80c5f68fab87ffa819db3e813227e360113696707ade29e6e73d4ac4
  9. 0x0f72f9b37b4039cbc3aae0497be60babe84e78bbc0183946137d3e4b5bcad991
  10. 0x0507461ad0f3996c7ed1e50036c084ea5d5d84cc0a082dd8688f824e00fc6a5b
  11. 0x4e18f6df894eff467396bfe85f6d6b90f40522629a1dd7517152c38e1c70e111
  12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
  13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
  14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON