addrbookFor publishers
← 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).

  1. 0x510caa979cadcda200bfdb368f18d6293739c25174f17290b1d043c70cf7ad1f
  2. 0x24b3a485246a859fbfd09b5a2d45749135c3a3a27285908207a9921a502f3537
  3. 0x9e29a43f5cc857184da50dcaa30fa4f0d748248c85371ffb795d727e44edf8a4
  4. 0x9d540e5197e312bc7a13e443c202aeb83ec2282c1e94d4b3eeb12f0f0f7bfbc8
  5. 0x4aa023f7e68096fc7def845329a9499a9cfaa099219a063f41f4a42e6005cd8a
  6. 0x658811acd7a52bcdaa20e5d1af11566c673f4893560578d8dbb82123dfd8e7e8
  7. 0x2bbab5f1a8f705f8f9ea187de8e67d15f3adcf89a717b460232698f467676f37
  8. 0x8b2393b9a0cca266e124c0d9cdd820c770d089235bd6a2a38090e1f9577c48f9
  9. 0x417ae96c21259e0ba92e9c16e22f6cdcea1d55df56b3cb0c4812519bf06e866e
  10. 0x1cf289732577ec7d4b7786636bf1c834b739571451a5cc67e3aac33256c9be46
  11. 0xfa039eb62e5d0ae9f7aaaafb0fcbceacfa661b07228233046b9a9af94e547a55
  12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON