Evidence row 555494

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGE"
    ]
  ],
  "name": "signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGE",
  "owner_address": "0x9173fc7aca730ae34838f08dfe85d4a608f38c38",
  "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": "0x9173FC7ACa730Ae34838f08DFe85d4a608F38C38",
        "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGE",
        "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": "2026-10-10T01:16:59.571Z",
    "quality": {
      "l30DaysTotalCalls": 14,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-10T01:16:59.362Z"
    },
    "resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGE",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Individual arena strategy signal"
}

What the leaf hashes

{"body":"89df6ee4738eeef1c4894c8fe9a4d4bafc84378f4c84d3b434b60bed765a1de5","id":555494,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133799507894,"prev":218772,"subject":"x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGE","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x2ead1cfbd87c2f5c866442b7f801b610a58361a0ed29716dd9466328a0bf72f5
2. 0x1881bdb3d67b2059eca7de69ceba5b94cb5e61a89a509c07ce05f56cc7c97ab7
3. 0xc633264b47b2923b4ad1756384eaf225f4662da2527158dcb06a260cbac545b8
4. 0xe3f78df1246298442df1d11d4097fdfc8f8714f8e7c73247a118dd6040f7bf9b
5. 0xee712e5bcfeb9b062e83e42fdd7e93aa54c0db279cd27451fa2c2c42b499dc6c
6. 0xd9481552280caa0e9f84db14155afb701c2c8c6289b03c4b69f89442d738f3f3
7. 0x7738924959b2e8f29aa043d0330a214a8d21afd96b13b9862495ad7538b46171
8. 0xa2b3824c75ffe199607b352123f4501a6c996e607a8696855c589fc5b4946bef
9. 0x727cf6817539b2ddee93aa6c95d0e0ee3f635e72706bda49057a4d05fdc3345a
10. 0xeece5a612f7a9f75c3cede1952efd8ed44f651934af100e7881f14fd41740153
11. 0xebaa56a29a2dfdf39f8c55fe4433bd513a26a783d93a8d85e51192ee9bb2860f
12. 0x2d9c2517fb6dcdc0ce42dd3a93f7e33064509cbed0a9132fb1209ec8f33ef0ab
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4