Evidence row 218773

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC"
    ]
  ],
  "name": "signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC",
  "owner_address": "0x7677a0ec93c75b540dada06e9f1952c950ee2dbb",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Individual arena strategy signal",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "outputSchema": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "schema": {
              "properties": {
                "strategy_id": {
                  "default": "vwap_reversion",
                  "description": "Strategy identifier (path parameter)",
                  "enum": [
                    "ema_5_breakout",
                    "rsi_7_extremes",
                    "rsi_reversion_swing",
                    "vwap_reversion"
                  ],
                  "type": "string"
                },
                "symbol": {
                  "default": "BTC",
                  "description": "Crypto asset ticker (path parameter)",
                  "enum": [
                    "BTC",
                    "ETH",
                    "SOL",
                    "DOGE"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "strategy_id",
                "symbol"
              ],
              "type": "object"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "hold_time_sec": 300,
              "reasoning": "Bollinger band squeeze with volume expansion",
              "score": 0.82,
              "signal": "long",
              "sl_pct": 0.008,
              "strategy_id": "vwap_reversion",
              "strategy_name": "VWAP Reversion",
              "symbol": "BTC",
              "tp_pct": 0.015
            },
            "type": "json"
          }
        },
        "payTo": "0x7677A0EC93C75B540dADa06E9F1952C950EE2DBB",
        "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC",
        "scheme": "exact"
      }
    ],
    "description": "Individual arena strategy signal",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "schema": {
              "properties": {
                "strategy_id": {
                  "default": "vwap_reversion",
                  "description": "Strategy identifier (path parameter)",
                  "enum": [
                    "ema_5_breakout",
                    "rsi_7_extremes",
                    "rsi_reversion_swing",
                    "vwap_reversion"
                  ],
                  "type": "string"
                },
                "symbol": {
                  "default": "BTC",
                  "description": "Crypto asset ticker (path parameter)",
                  "enum": [
                    "BTC",
                    "ETH",
                    "SOL",
                    "DOGE"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "strategy_id",
                "symbol"
              ],
              "type": "object"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "hold_time_sec": 300,
              "reasoning": "Bollinger band squeeze with volume expansion",
              "score": 0.82,
              "signal": "long",
              "sl_pct": 0.008,
              "strategy_id": "vwap_reversion",
              "strategy_name": "VWAP Reversion",
              "symbol": "BTC",
              "tp_pct": 0.015
            },
            "type": "json"
          }
        },
        "schema": {
          "output": {
            "properties": {
              "hold_time_sec": {
                "description": "Suggested hold time in seconds",
                "type": "integer"
              },
              "reason": {
                "description": "Present when signal is null (e.g. no_signal, no_context)",
                "type": "string"
              },
              "reasoning": {
                "type": "string"
              },
              "score": {
                "maximum": 1,
                "minimum": 0,
                "type": "number"
              },
              "signal": {
                "enum": [
                  "long",
                  "short"
                ],
                "nullable": true,
                "type": "string"
              },
              "sl_pct": {
                "description": "Stop-loss percentage",
                "type": "number"
              },
              "strategy_id": {
                "type": "string"
              },
              "strategy_name": {
                "type": "string"
              },
              "symbol": {
                "type": "string"
              },
              "tp_pct": {
                "description": "Take-profit percentage",
                "type": "number"
              }
            },
            "required": [
              "strategy_id",
              "symbol"
            ]
          }
        }
      }
    },
    "lastUpdated": "2026-10-26T01:27:22.89Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T01:27:22.686Z"
    },
    "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Individual arena strategy signal"
}

What the leaf hashes

{"body":"f8e01fb8fd54a7a17c486016b84d9a4aa81c47c0b274f72c40a08e35f6877568","id":218773,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026653597640,"prev":121306,"subject":"x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC","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. 0xfc40dad59a050c8636fc51c7605cd6412f3a58972fc0a51d58afcb88c0525c71
2. 0xa0fdf8dfebb27bb8d693867daabe13a317c7ddad1371c0dbb5751bb3f066e134
3. 0x6b15634713202a4632e28221a95ecd4fe6534b854c95dcdbc1e10be20b17138f
4. 0x2e8e67bdc0357fc7e66baf129145a00a6e32254e1da94681e8c80f18e6cc02bc
5. 0x451661323c1216c26c3b2f574321dee5af20b4d2c3e8a2b9b4aa6e61c8908b64
6. 0xa676b61c74f06a67cf19013b5c5210c7c8be1c16fe3f3d20d9d932d201f14dea
7. 0xc0156bbd547ba67613b752bd52f210e20947589b60a8137506deada8e6759685
8. 0xba4ae99e77fe28bff072a08b18960d0c26da5eea7a706f28e5703b9907124643
9. 0xd5e84a76f08a9f9783e8b3ad62be6916de98755223b57f9f65d3166696157302
10. 0x3a8d3d4169cff276684d88a4f127811b670ead57557bd0903bd3af277772b2c1
11. 0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae