{
  "updated": "2026-02-20",
  "surfaces": [
    {"name":"center","url":"https://xo.center","state":"live","note":"directory surface"},
    {"name":"vault","url":"https://xo-vault.com","state":"live","note":"api root (ui later)"},
    {"name":"ledger","url":"https://xoledger.com/ledger/","state":"live","note":"stable /ledger/ path"},
    {"name":"digest","url":"https://xo-digest.com/vault/daily/index.html","state":"live","note":"daily mirror"},
    {"name":"pulse","url":"https://xo-pulse.com","state":"build","note":"copy + routes evolving"},
    {"name":"drops","url":"https://xoseals.com","state":"live","note":"drop index"},
    {"name":"constellation","url":"https://constellation.bond","state":"parked","note":"placeholder landing"}
  ],
  "links": [
    {
      "name": "ledger_day_pdf_sample",
      "label": "Ledger sample PDF (2026-02-09)",
      "url": "https://xoledger.com/ledger/day/2026-02-09/pdf",
      "note": "deep link to rendered day PDF"
    },
    {
      "name": "ledger_day_merkle_sample",
      "label": "Ledger sample Merkle (2026-02-09)",
      "url": "https://xoledger.com/ledger/day/2026-02-09/merkle",
      "note": "deep link to day merkle json"
    },
    {
      "name": "vault_verify",
      "label": "Vault verify endpoint",
      "url": "https://xo-vault.com/api/verify",
      "note": "verification API (may require POST)"
    },
    {
      "name": "digest_atom",
      "label": "Digest Atom feed",
      "url": "https://xo-digest.com/vault/daily/atom.xml",
      "note": "daily feed (currently missing; enable atom.xml in xo-core-clean digest build)"
    }
  ]
}