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Evidence row 121310

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/BTC
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7cb7aafce4bf887f3d50074302489c890f239ff9d141f8d41ca7a4e71e290370
Leaf
0x2ab728e685a12d12b4e8e59309e41666278336bdb37d492c8c2758b5d86f6119

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/BTC"
    ]
  ],
  "name": "signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/BTC",
  "owner_address": "0xca87adbcffdf6539a387783fef17a91dbabeef52",
  "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": "0xCa87aDbCffdf6539A387783fEF17A91dbaBEEF52",
        "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/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": "2026-10-24T17:02:41.853Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T17:02:41.659Z"
    },
    "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/BTC",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Individual arena strategy signal"
}

What the leaf hashes

{"body":"7cb7aafce4bf887f3d50074302489c890f239ff9d141f8d41ca7a4e71e290370","id":121310,"kind":"listing","method":"baseline/1","observed_us":1793025619745039,"prev":null,"subject":"x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/BTC","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. 0x2ab718f40e8d5663d09365a1b0eac6be24eab4b79f3bd2d59642defa5481088a
  2. 0x916c86ee836c5aebdaeec75750d737898433c0148766bf8387c9cc74b7dc65f3
  3. 0xca6f8639b30e39f2f229b5ed51995a7821ed926cb5ca00d68d7b4f0de5042dbd
  4. 0xd47efa032df97dcbe86f306259c0110e740a9606006616fb81365b9e60955529
  5. 0xfb64cc28e30b58f42e4da23b8c59928ab180c54f39f5c7046d5acb7e8be473da
  6. 0x3dd7f801626c102cb059fcb4d2817b70c762d860c6d187d67804dd7864b844fe
  7. 0xec7cfd5561cf050947d2064c7624c98cefcc6986ea81bbad3a75cf4becd33da9
  8. 0x3ff0dc11646609186d6957d81c6210ae44727e25dd39cc945e4e372966b5f2aa
  9. 0xe341697a43ca95743b9cc942785640ad8533ed91caea74fee2280c3fd45bddbd
  10. 0xaa8650f76913e91404db3fdf03026f9761609152eb2e32f71c4d93058b86b406
  11. 0xde76827525517f5c8aef4ffd7831eab09ee63757dcc2282bc64307fd6ee67ad1
  12. 0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
  13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
  14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  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