← The evidence ledger
Evidence row 121311
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/DOGE
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 165198949cfc93bd1ecc838e0900dbb47a62c1079c66f9aac5521dd09faefb9f
- Leaf
- 0x6342bcbb91ba14bc14742032ebeab848040086f0db719dbc20bc6703a0167346
What was observed
{
"endpoints": [
[
"x402",
"https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/DOGE"
]
],
"name": "signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/DOGE",
"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/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": "2026-10-22T13:45:11.463Z",
"quality": {
"l30DaysTotalCalls": 13,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T13:45:11.253Z"
},
"resource": "https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/DOGE",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Individual arena strategy signal"
}What the leaf hashes
{"body":"165198949cfc93bd1ecc838e0900dbb47a62c1079c66f9aac5521dd09faefb9f","id":121311,"kind":"listing","method":"baseline/1","observed_us":1793025619746198,"prev":null,"subject":"x402_bazaar:https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/DOGE","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).
- 0x6343ca71171c15561a18aaa0979400fb764a5c8b08a13f18f38ad449fb383440
- 0x95e1869c0a1cd0600ad9c8a652dad98c0fcbd7e6ac77e77bdd53bed2ed62bac0
- 0x79a34a9596bc22b4a320d397a82751ba56877797a1b4ec03fac47b9e61a39a4a
- 0x54ddf2aca42950bd4cc093227a476e4aa1b29589f086ac7767c6469f30773e39
- 0x10d60ba48dfb1e75d0a35e0140424b57dd9e5ea85f4cde7c557bef2b2769f0c5
- 0x3d51f1a878fc472674601881d4b1252e706ca5af7005a430f5683117a67f9b2b
- 0x0553765ec4ee48d7fe98fff45f7556947bdb245e96459837027205f798133b77
- 0xe89ce62aa82c8d97dddb6f684deb1f77d284d33e6bb43b3e5af44febe0194ae5
- 0x96fc73ca2ee9b3bcd67b8f32c528ff1640c43f28d9945754e11df81a78865be4
- 0x805c08486b6cd1b041c9a402e5b3eb6f97649952efcabb97e1817185a4ce7572
- 0xde5ff34fc9e6ff297fede5d3c4b4de6828c65b98246109399106064f912afa82
- 0x3c8355143bb13802401d5a80f8a70809a59f429bc298f4912731fc8d207e4f43
- 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae