← The evidence ledger
Evidence row 67898
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.octodamus.com/v2/x402/agent-signal
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 366a203f967bad46cbc4699f76c405fb327fed7fec36171d484a0750d26638c7
- Leaf
- 0x510c38e19537895ba6289cee230ca1bd89a5811e53065a06cacc55a12ee4fa71
What was observed
{
"endpoints": [
[
"x402",
"https://api.octodamus.com/v2/x402/agent-signal"
]
],
"name": "api.octodamus.com/v2/x402/agent-signal",
"owner_address": "0x5c6b3a3dae296d3cef50fef96afc73410959a6db",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Octodamus Market Intelligence API — real-time crypto signals, Fear & Greed, Polymarket edge. Annual access.",
"extensions": {
"bazaar": {
"category": "trading",
"discoverable": true,
"info": {
"input": {
"headers": {
"PAYMENT-SIGNATURE": "x402 EIP-3009 USDC payment (Base mainnet)"
},
"method": "GET",
"type": "http"
},
"output": {
"example": {
"action": "BUY",
"btc_trend": "UP",
"confidence": 0.78,
"fear_greed": 62,
"polymarket_edge": {
"ev": 0.14,
"market": "BTC above 90k"
},
"reasoning": "Oracle 9/11 consensus bullish. Fear & Greed neutral-greed zone.",
"signal": "BULLISH"
},
"type": "json"
}
},
"name": "Octodamus",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"headers": {
"properties": {
"PAYMENT-SIGNATURE": {
"description": "x402 EIP-3009 USDC payment signature (Base mainnet)",
"type": "string"
}
},
"required": [
"PAYMENT-SIGNATURE"
],
"type": "object"
},
"method": {
"const": "GET",
"type": "string"
}
},
"required": [
"method"
],
"type": "object"
},
"output": {
"properties": {
"action": {
"enum": [
"BUY",
"SELL",
"HOLD"
],
"type": "string"
},
"btc_trend": {
"enum": [
"UP",
"DOWN",
"SIDEWAYS"
],
"type": "string"
},
"confidence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"fear_greed": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"polymarket_edge": {
"type": "object"
},
"reasoning": {
"type": "string"
},
"signal": {
"enum": [
"BULLISH",
"BEARISH",
"NEUTRAL"
],
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"tags": [
"crypto",
"market signal",
"trading signal",
"BUY SELL HOLD",
"oracle",
"BTC funding",
"funding rate",
"open interest",
"fear and greed",
"polymarket",
"expected value",
"bitcoin",
"ethereum",
"solana",
"Base USDC",
"market-intelligence"
]
}
},
"extra": {
"chainId": 8453,
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db",
"resource": "https://api.octodamus.com/v2/agent-signal",
"scheme": "exact"
},
{
"amount": "5000000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Octodamus Market Intelligence API — 7-day trial",
"extensions": {
"bazaar": {
"category": "trading",
"discoverable": true,
"info": {
"input": {
"headers": {
"PAYMENT-SIGNATURE": "x402 EIP-3009 USDC payment (Base mainnet)"
},
"method": "GET",
"type": "http"
},
"output": {
"example": {
"action": "BUY",
"btc_trend": "UP",
"confidence": 0.78,
"fear_greed": 62,
"polymarket_edge": {
"ev": 0.14,
"market": "BTC above 90k"
},
"reasoning": "Oracle 9/11 consensus bullish. Fear & Greed neutral-greed zone.",
"signal": "BULLISH"
},
"type": "json"
}
},
"name": "Octodamus",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"headers": {
"properties": {
"PAYMENT-SIGNATURE": {
"description": "x402 EIP-3009 USDC payment signature (Base mainnet)",
"type": "string"
}
},
"required": [
"PAYMENT-SIGNATURE"
],
"type": "object"
},
"method": {
"const": "GET",
"type": "string"
}
},
"required": [
"method"
],
"type": "object"
},
"output": {
"properties": {
"action": {
"enum": [
"BUY",
"SELL",
"HOLD"
],
"type": "string"
},
"btc_trend": {
"enum": [
"UP",
"DOWN",
"SIDEWAYS"
],
"type": "string"
},
"confidence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"fear_greed": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"polymarket_edge": {
"type": "object"
},
"reasoning": {
"type": "string"
},
"signal": {
"enum": [
"BULLISH",
"BEARISH",
"NEUTRAL"
],
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"tags": [
"crypto",
"market signal",
"trading signal",
"BUY SELL HOLD",
"oracle",
"BTC funding",
"funding rate",
"open interest",
"fear and greed",
"polymarket",
"expected value",
"bitcoin",
"ethereum",
"solana",
"Base USDC",
"market-intelligence"
]
}
},
"extra": {
"chainId": 8453,
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "5000000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db",
"resource": "https://api.octodamus.com/v2/agent-signal",
"scheme": "exact"
}
],
"description": "Octodamus — AI oracle for crypto and tokenized NYSE markets. BUY/SELL/HOLD signals, Polymarket edges, Fear & Greed, macro regime. Ed25519 signed.",
"extensions": {
"bazaar": {
"category": "trading",
"discoverable": true,
"info": {
"input": {
"headers": {
"PAYMENT-SIGNATURE": "x402 EIP-3009 USDC payment (Base mainnet)"
},
"method": "GET",
"type": "http"
},
"output": {
"example": {
"action": "BUY",
"btc_trend": "UP",
"confidence": 0.78,
"fear_greed": 62,
"polymarket_edge": {
"ev": 0.14,
"market": "BTC above 90k"
},
"reasoning": "Oracle 9/11 consensus bullish. Fear & Greed neutral-greed zone.",
"signal": "BULLISH"
},
"type": "json"
}
},
"name": "Octodamus",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"headers": {
"properties": {
"PAYMENT-SIGNATURE": {
"description": "x402 EIP-3009 USDC payment signature (Base mainnet)",
"type": "string"
}
},
"required": [
"PAYMENT-SIGNATURE"
],
"type": "object"
},
"method": {
"const": "GET",
"type": "string"
}
},
"required": [
"method"
],
"type": "object"
},
"output": {
"properties": {
"action": {
"enum": [
"BUY",
"SELL",
"HOLD"
],
"type": "string"
},
"btc_trend": {
"enum": [
"UP",
"DOWN",
"SIDEWAYS"
],
"type": "string"
},
"confidence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"fear_greed": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"polymarket_edge": {
"type": "object"
},
"reasoning": {
"type": "string"
},
"signal": {
"enum": [
"BULLISH",
"BEARISH",
"NEUTRAL"
],
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"tags": [
"crypto",
"market signal",
"trading signal",
"BUY SELL HOLD",
"oracle",
"BTC funding",
"funding rate",
"open interest",
"fear and greed",
"polymarket",
"expected value",
"bitcoin",
"ethereum",
"solana",
"Base USDC",
"market-intelligence"
]
}
},
"lastUpdated": "2026-10-24T09:53:57.222Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-24T09:53:56.861Z"
},
"resource": "https://api.octodamus.com/v2/x402/agent-signal",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Octodamus — AI oracle for crypto and tokenized NYSE markets. BUY/SELL/HOLD signals, Polymarket edges, Fear & Greed, macro regime. Ed25519 signed."
}What the leaf hashes
{"body":"366a203f967bad46cbc4699f76c405fb327fed7fec36171d484a0750d26638c7","id":67898,"kind":"listing","method":"baseline/1","observed_us":1793025464913719,"prev":null,"subject":"x402_bazaar:https://api.octodamus.com/v2/x402/agent-signal","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).
- 0x510caa979cadcda200bfdb368f18d6293739c25174f17290b1d043c70cf7ad1f
- 0x24b3a485246a859fbfd09b5a2d45749135c3a3a27285908207a9921a502f3537
- 0x9e29a43f5cc857184da50dcaa30fa4f0d748248c85371ffb795d727e44edf8a4
- 0x9d540e5197e312bc7a13e443c202aeb83ec2282c1e94d4b3eeb12f0f0f7bfbc8
- 0x4aa023f7e68096fc7def845329a9499a9cfaa099219a063f41f4a42e6005cd8a
- 0x658811acd7a52bcdaa20e5d1af11566c673f4893560578d8dbb82123dfd8e7e8
- 0x2bbab5f1a8f705f8f9ea187de8e67d15f3adcf89a717b460232698f467676f37
- 0x8b2393b9a0cca266e124c0d9cdd820c770d089235bd6a2a38090e1f9577c48f9
- 0x417ae96c21259e0ba92e9c16e22f6cdcea1d55df56b3cb0c4812519bf06e866e
- 0x1cf289732577ec7d4b7786636bf1c834b739571451a5cc67e3aac33256c9be46
- 0xfa039eb62e5d0ae9f7aaaafb0fcbceacfa661b07228233046b9a9af94e547a55
- 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
- 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
- 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae