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Evidence row 126752

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402.professorsausages.com/ipo-calendar/withdrawn
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c30d2d47921ca978b5121df67f292157ec4794ec546a961b086e382aec43b51d
Leaf
0xa6245b2808f23279662a1744e5382b270fd3a672a3499a5147551d1dbf79e27c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.professorsausages.com/ipo-calendar/withdrawn"
    ]
  ],
  "name": "IPO Calendar",
  "owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
        "scheme": "exact"
      }
    ],
    "description": "IPO registration withdrawals (Form RW) with time-in-registration — the market risk-sentiment tape",
    "extensions": {
      "bazaar": {
        "category": "finance",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "cursor": "eyJvIjoxMDB9",
              "days": "90",
              "limit": "50"
            },
            "type": "http"
          },
          "output": {
            "properties": {
              "about": {
                "description": "What this response is and where its data comes from, in one sentence.",
                "type": "string"
              },
              "count": {
                "type": "integer"
              },
              "freshness": {
                "description": "How fresh the data is, measured when you called. `age_seconds` is the number to act on; `max_age_seconds` is the refresh cadence (null = deterministic, cannot go stale).",
                "properties": {
                  "age_seconds": {
                    "minimum": 0,
                    "type": "integer"
                  },
                  "as_of": {
                    "description": "Newest datum this answer is based on (ISO 8601).",
                    "type": "string"
                  },
                  "max_age_seconds": {
                    "minimum": 0,
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "note": {
                    "type": "string"
                  },
                  "tier": {
                    "example": "nightly",
                    "type": "string"
                  }
                },
                "required": [
                  "tier",
                  "as_of",
                  "age_seconds",
                  "max_age_seconds"
                ],
                "type": "object"
              },
              "nextCursor": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "related": {
                "additionalProperties": {
                  "type": "string"
                },
                "description": "Next steps as paths on this origin. Each is priced by its own 402 challenge; GET /.well-known/x402 prices the whole origin in one free call.",
                "type": "object"
              },
              "window": {
                "properties": {
                  "days": {
                    "type": "integer"
                  },
                  "to": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "withdrawals": {
                "items": {
                  "properties": {
                    "cik": {
                      "type": "string"
                    },
                    "firstFiledAt": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "monthsInRegistration": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "registrationForm": {
                      "enum": [
                        "S-1",
                        "F-1",
                        null
                      ],
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sic": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sicDescription": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "withdrawnAt": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "cik",
                    "name",
                    "withdrawnAt"
                  ],
                  "type": "object"
                },
                "type": "array"
              }
            },
            "required": [
              "window",
              "count",
              "withdrawals",
              "nextCursor"
            ],
            "type": "object"
          }
        },
        "routeTemplate": "https://x402.professorsausages.com/ipo-calendar/withdrawn",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "cursor": {
                      "description": "Opaque pagination cursor returned by the previous page.",
                      "type": "string"
                    },
                    "days": {
                      "description": "Only withdrawals within this many days.",
                      "type": "string"
                    },
                    "limit": {
                      "description": "How many results to return.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "help": {
        "docs": "https://x402.professorsausages.com/ipo-calendar",
        "example": "https://x402.professorsausages.com/ipo-calendar/withdrawn",
        "openapi": "https://x402.professorsausages.com/ipo-calendar/openapi.json",
        "sample": "https://x402.professorsausages.com/ipo-calendar/sample"
      }
    },
    "lastUpdated": "2026-10-21T05:17:52.145Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-21T05:17:50.72Z"
    },
    "resource": "https://x402.professorsausages.com/ipo-calendar/withdrawn",
    "serviceName": "IPO Calendar",
    "tags": [
      "ipo",
      "sec",
      "edgar",
      "s-1",
      "424b4"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "IPO registration withdrawals (Form RW) with time-in-registration — the market risk-sentiment tape"
}

What the leaf hashes

{"body":"c30d2d47921ca978b5121df67f292157ec4794ec546a961b086e382aec43b51d","id":126752,"kind":"listing","method":"baseline/1","observed_us":1793025636007552,"prev":null,"subject":"x402_bazaar:https://x402.professorsausages.com/ipo-calendar/withdrawn","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. 0xa6252c542a714b1c0ae2d64d5400f31f442ca91717b5080bf853b4a9d92584b3
  2. 0xb4904af3b10d79f9cc260eb578c539b525c02c3de87cb785feb82ce7a20dd7ce
  3. 0xe944b26c2e43b2a4f45de9309bcb54fbfb2b9f83c40bbc92f5c0c20ccbdae91c
  4. 0x9641e8eed219c245179f67ab2ca45137233cf4da02978cb3f85cfc214d9754a4
  5. 0xc4cc0ab0ef74d1857053f9370be21d98b82f3d98d49d5f4fac5b2f1f82eb8100
  6. 0x6d4d2cd473685d1a9aab381fa440f13018481b385101f126e396c5407f1a6e08
  7. 0x0f30b7c6331db0f333b6ebfefdf6033f9a13b09758d7a5a36ede8505d8dfaadc
  8. 0x11c49152a9726038e574287f89160cd132f1cca50c3a3a828d75349b44d682a0
  9. 0xb4c0b7187921a3fa9eef3519b98c8bca669a3aa7d7681abd99a70afcf0598efd
  10. 0x93c7b1ac8754236471980488e2ae86b7135fed175d7852bf9b8ef708900f060d
  11. 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
  12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
  13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON