← The evidence ledger
Evidence row 121313
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f724071b4b2b89e31ce5419e492c8cc9c4727b0d4a58a379fdffa8a892bae3f8
- Leaf
- 0xedfc2f6d6dd6b7c247e2ce5dd4a17dfe8fb68bfc9ef67bfd808690f9024b6daa
What was observed
{
"endpoints": [
[
"x402",
"https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL"
]
],
"name": "signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL",
"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/SOL",
"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": "2026-10-25T16:53:14.382Z",
"quality": {
"l30DaysTotalCalls": 50,
"l30DaysUniquePayers": 7,
"lastCalledAt": "2026-10-25T16:53:14.172Z"
},
"resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Individual arena strategy signal"
}What the leaf hashes
{"body":"f724071b4b2b89e31ce5419e492c8cc9c4727b0d4a58a379fdffa8a892bae3f8","id":121313,"kind":"listing","method":"baseline/1","observed_us":1793025619748352,"prev":null,"subject":"x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL","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).
- 0xedfc4f18bd5d4dc161566348bad89c68eefd5971072ea24c93650adfcc399337
- 0x6f1614c21841307e7bfe50834f46287a130047d6c24447ed7da7c77242288e0f
- 0x2d3f5f858b5403d4ba382fe431ca7fc4a0a771406f3a47119273dcc7fa1a5192
- 0x1305b2321594a8923c739da3a2e3f17021ebf13b61d3ffef83e74feb89ded34d
- 0xeaba018bcfef54871a36a34bfa882c3392e89c1ec192ae96a6368b84380dbbc4
- 0x0f34899968d807679abc0bcb63e020c5e0fd0b9f8ed4b647de9a830f7d8ceae1
- 0xa04979b18d2dcc419fe2a6a2f182448886703e39b669babb3a2d164a6d0a71af
- 0x410805f031b2fda59dc493ab92370bea04b7f47a13c4dd20be627a5161d5fae7
- 0xbe476ca642a02a90ca18425f14be100b383fc9710fd40e40eb7a5b155422b7d2
- 0x9eb304055a5a524056b573ca929d5e519ae84a141ec48926edcd8c247e89da60
- 0x31325ab4dbdfc029b65672f927dfb6f0b046d1c4c19b63eb548ad58c295af08c
- 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae