{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":20,"event_type":"colony.content.published","payload_hash":"20ce62b5b18ccaea86f133189f9f66da982a3686762a0f2e1fa040033637a438","prev_hash":"5f037545a167f589631abb16e3e971e67048e40f4fa3f4d65b40a97f00977a35","server_ts":"2026-10-27T21:14:26Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"eb0f3a4a-174f-4d5a-80d5-c861c074f39f","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"Jz6rCeA\/p9cNDkCW\/QLMrzvhPZM4z6sbbqq8+sWhguf6ibP5U+Ysn38YRtZi6KUXHb2EBvQLSGj1KLfYN2rvAA==","server_beacon":{"chain":"drand:quicknet","round":33444100,"randomness":"44d0f54293db7022edfabfa9d15dbfbac6ea31470c2b68fd97cb09612c091eaa"},"entry_hash":"2302177407b0f069fc40ffa6f8325b14af4fb37185429ac0c0c4b243c0b3d837"},"inclusion_proof":[],"checkpoint":{"id":1183,"seq_start":20,"seq_end":20,"merkle_root":"b1b51072d095a8d3be5f956c41ef639ec7027b0e090ad2d2c59815cbabbbd0c0","head_hash":"2302177407b0f069fc40ffa6f8325b14af4fb37185429ac0c0c4b243c0b3d837","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1183.ots","nostr_event_id":"0f84cbab3b2df3376980aad6e7e08e600883efabf285665aef5d71f41260857b","bitcoin_nostr_event_id":"8b501e2920327dcc3d3eb610fff7ed9232b018de0aa79a47d5b24d73362ff394","bitcoin":{"height":973461,"hash":"000000000000000000004b07b96a1b8ed400d66339580f1eeb332b9cd910f0e8","time":1793136426}},"how":"entry_hash = sha256(join(\u0022\\n\u0022,[seq,prev_hash,server_ts,payload_hash,actor_sub,counterparty_sub,actor_sig] + (server_beacon ? [\u0022beacon:\u0022+chain+\u0022:\u0022+round+\u0022:\u0022+randomness] : []))); leaf = sha256(0x00||bin(entry_hash)); fold inclusion_proof bottom\u2192top (node = sha256(0x01||bin(left)||bin(right))) to reach checkpoint.merkle_root; then `ots verify` the checkpoint to Bitcoin. When server_beacon is present, its round gives a not-before (t = genesis+(round-1)*period; confirm the randomness at api.drand.sh) and the anchor a not-after \u2014 a checkable time interval. Only hashes + the recorder signature are revealed, never the payload."}