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Evidence row 1262200

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/prices
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
dd7dd596cc02b92efda015e2741be8772bb4f3b095b11eb3e6c409608a1f0df3
Leaf
0xbfcbcf10d4c650c5877af864d354f2ea36b2768827634fc025e1be7520bf23bf

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kr-x402-mvp.kgy5612.workers.dev/crypto/prices"
    ]
  ],
  "name": "Crypto Microdata for Agents",
  "owner_address": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
        "scheme": "exact"
      }
    ],
    "description": "Spot USD prices: median of Coinbase, Kraken, Bybit, Binance, CoinGecko (whichever respond) with n_sources, dispersion_bps, with 24h change/volume. symbols=BTC,ETH,SOL default; also BNB,XRP,DOGE,ADA,AVAX,LINK,SUI.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbols": "BTC,ETH,SOL"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "prices": {
                "BTC": {
                  "binance_usdt": 80860,
                  "change_24h_pct": 1.2,
                  "coinbase_usd": 80875.4,
                  "price_usd": 80867.7
                }
              },
              "sources": [
                "https://api.binance.com",
                "https://api.coinbase.com"
              ],
              "updated_at": "2026-10-28T11:00:00Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "symbols": {
                      "description": "Comma-separated symbols (default BTC,ETH,SOL)",
                      "examples": [
                        "BTC,ETH,SOL",
                        "BTC"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T01:32:26.345Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T01:32:26.218Z"
    },
    "resource": "https://kr-x402-mvp.kgy5612.workers.dev/crypto/prices",
    "serviceName": "Crypto Microdata for Agents",
    "tags": [
      "crypto",
      "prices",
      "bitcoin",
      "ethereum",
      "solana"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Spot USD prices: median of Coinbase, Kraken, Bybit, Binance, CoinGecko (whichever respond) with n_sources, dispersion_bps, with 24h change/volume. symbols=BTC,ETH,SOL default; also BNB,XRP,DOGE,ADA,AVAX,LINK,SUI."
}

What the leaf hashes

{"body":"dd7dd596cc02b92efda015e2741be8772bb4f3b095b11eb3e6c409608a1f0df3","id":1262200,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385520560491,"prev":null,"subject":"x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/prices","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).

  1. 0xbfcbb97743733baf0ffb8a40413bc2541e17e8dbbedd3815d3a71cbf51b57b17
  2. 0xb0ea1c1a365f8c53b5971a162c189630fecb1652750523f619bb839a71864d16
  3. 0xcb2c49f0d84a17a4d4c5c4d50b8c86c2cca5acfad516991e6f2f830e5c91a8b1
  4. 0xf1fa7372bc1aa0c8e6aa483602e971af78ccc3246787a6aec0f0d7d891dfd942
  5. 0xd61f9bde8df38735fb14510dfc36c04f107b114768c62c182e5e5030abbed586
  6. 0xd9886eefe13506a7d5f1c452a9a5c45cb9ec39c2b9314857e5fd0d81455e02a8
  7. 0x7133b0bade64f8b9eab8912770de12deb1967783c9bbcf6c10de22efa8c93a64
  8. 0xa869ebc4fc0f451058fa621934c9afbb9ef4ee6fe62823b69db59583b9a331f4
  9. 0x64569aba5a707abd5ba1db6e941bcfdefc6eda7591613f7e6e1c4642207fb6ff
  10. 0x720a215e87900ab4242674870d9bae521f5d174cf40024165151a986986849fd
  11. 0x4e111a231c94cd6132b734106858f8fd64ae1b632649e951400168586b5ed0a2
  12. 0xc9fcf715890e0959e9a1e2a6200b4188895afcdbc3ba411bcc0423fc7c484b45
  13. 0x0fe1386407f8ba162c04ac3fa7c25f73252796af4cb5a8f2d8f2ec65dc450f79
  14. 0x342f35813d736e85ba1881bcb69ecc7b4b96d68e557b8417f1f4ec705ab16ab6
  15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
  16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
  17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
  18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
Day root
0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
Chained
0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
Published
On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861

How to check it · This row as JSON