Evidence row 19381

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://deskfeed.dev/v1/market-state"
    ]
  ],
  "name": "Agent Desk API: Market State",
  "owner_address": "0xff0e58f29d1161e9b0f8ab80b4a0cb22764716a5",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xff0e58F29d1161E9B0f8ab80b4a0Cb22764716A5",
        "scheme": "exact"
      }
    ],
    "description": "Multi-timeframe market state for BTCUSDT, ETHUSDT, SOLUSDT, XRPUSDT & DOGEUSDT USD-M perpetual futures in one call: mark & index price, funding rate, open interest change, taker buy share, per-timeframe (4h/1h/15m) EMA-20/50, RSI-14, ATR and prior 20-bar high/low. Structured for trading agents needing clean market context. Descriptive data only — not financial advice. Refreshed every 15 min; data age disclosed in every response.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTCUSDT"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-13T08:05:01Z",
              "data_age_seconds": 42,
              "disclaimer": "Descriptive market data for informational purposes only. Not financial advice.",
              "source": "USD-M futures public market data (derived, read-only)",
              "symbols": {
                "BTCUSDT": {
                  "funding_rate": 0.0000847,
                  "index_price": 83924.1,
                  "mark_price": 83917.62,
                  "open_interest_change_pct": 0.33,
                  "taker_buy_share_1h": 0.492,
                  "timeframes": {
                    "15m": {
                      "rsi14": 74.6
                    },
                    "1h": {
                      "rsi14": 64.2
                    },
                    "4h": {
                      "atr14_pct": 1.01,
                      "ema20": 83161.9,
                      "prior_high20": 84340.2,
                      "prior_low20": 80985,
                      "rsi14": 56.7
                    }
                  }
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "default": "BTCUSDT",
                      "description": "Futures symbol; ALL returns every covered symbol",
                      "enum": [
                        "BTCUSDT",
                        "ETHUSDT",
                        "SOLUSDT",
                        "XRPUSDT",
                        "DOGEUSDT",
                        "ALL"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "as_of": {
                      "description": "Observation time (ISO 8601 UTC)",
                      "type": "string"
                    },
                    "data_age_seconds": {
                      "description": "Age of upstream data in seconds",
                      "type": "integer"
                    },
                    "disclaimer": {
                      "description": "Informational-use notice",
                      "type": "string"
                    },
                    "source": {
                      "description": "Data source description",
                      "type": "string"
                    },
                    "symbols": {
                      "description": "Selected symbol → metrics (key = symbol)",
                      "type": "object"
                    }
                  },
                  "required": [
                    "as_of",
                    "data_age_seconds",
                    "source",
                    "symbols",
                    "disclaimer"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T02:33:17.562Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T02:33:17.337Z"
    },
    "resource": "https://deskfeed.dev/v1/market-state",
    "serviceName": "Agent Desk API: Market State",
    "tags": [
      "crypto",
      "market-data",
      "futures",
      "funding-rate",
      "btc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Multi-timeframe market state for BTCUSDT, ETHUSDT, SOLUSDT, XRPUSDT & DOGEUSDT USD-M perpetual futures in one call: mark & index price, funding rate, open interest change, taker buy share, per-timeframe (4h/1h/15m) EMA-20/50, RSI-14, ATR and prior 20-bar high/low. Structured for trading agents needing clean market context. Descriptive data only — not financial advice. Refreshed every 15 min; data age disclosed in every response."
}

What the leaf hashes

{"body":"12d784acdb12981f954435e15833cc7a6a6fb3b80f2db8be10aaee5c9bbec079","id":19381,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025331596966,"prev":null,"subject":"x402_bazaar:https://deskfeed.dev/v1/market-state","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. 0x7509f2f3ef5345fc63aa024543c531b93bf76e1809329219893f53af7c25c9b5
2. 0xc90d2744924df2dc686f64ae117593326fa213a3496090d7782c03e324897dcf
3. 0xd7dd764bf98fdf68a1c3c85e369e80fc0d301233c88612301b41980bf183d26d
4. 0x30d88b23c7539a3901fd123d605c81453471f0327657f8906c6ad3ecb4883101
5. 0x74a07964c4b650c37944d1d4ff43a55308123cfed59a7a6c0d5722619c285b50
6. 0x70f909a48e3d67a8087cbacb63dcc5fb3d434b09e18cd873dbd994d2aebbf1ed
7. 0xc2065f1e591e62a8edbe856b03c713585cb84d3d1f016ea034a4e83945340a48
8. 0x4681dcdc28d3c024089d04194bf50053965176ef26c8584430cab2a13f2ae33a
9. 0xfa0bf377c193bc06578e3240f9e9d08e5282e2836746fc9d37a4b125f582cc28
10. 0x9ee05f244b24b5c2218a463b4ab58eba1018e880e4d46ed9425dabadbdd4bc8c
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae