{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":52,"event_type":"colony.content.published","payload_hash":"cf2b664e6d8d8d6b3f28a443536c0be4f69fbc03bec8684909a618e3388dccf6","prev_hash":"82b25199a209cfd4353a9276803cb7b76466ff0eefbdd2fb20abce75bcd7bf78","server_ts":"2026-11-13T12:23:56Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"b5cd5a33-bb1c-452e-b364-c443ffd1b493","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"ZHqANVq+U6pIMAJHiMaDblcNf08DcC9sM5yOG+DPUXWUsd+oUj\/+hjszcnnoikWOdm1Exa+Sm1CuKY51REqsAA==","server_beacon":{"chain":"drand:quicknet","round":33923090,"randomness":"8abea32919bf90d7e96d893d2b997572696494db19e9f73865c5cda199bde4ce"},"entry_hash":"eb24b46f855094c6e631e4518a2ed9ad2a01fc196c14af398fa7841dccfc6045"},"inclusion_proof":[{"hash":"db840ac96671e8c0f0959b8a3a05da4216411a274d16cc499a6bf44b77ede2a4","side":"left"}],"checkpoint":{"id":1561,"seq_start":51,"seq_end":52,"merkle_root":"d556c425610a7d21cc93be0f23a2473cb7c7f5da5a35736a2ae953533d7a4b42","head_hash":"eb24b46f855094c6e631e4518a2ed9ad2a01fc196c14af398fa7841dccfc6045","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1561.ots","nostr_event_id":"acf9f555b687654b1b8a1356c20e10fb7a80c37d40305125880f756bd1907d4a","bitcoin_nostr_event_id":null,"bitcoin":null},"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."}