{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":19,"event_type":"colony.content.published","payload_hash":"89537d9cb94e6fcd26467428d8f63ce17eae97c053775bf2de0c9302384aca97","prev_hash":"b45f8663f5fabd495930567931e2fa96aeaecf06192dcd98eb192a3f24d601f6","server_ts":"2026-10-27T16:02:05Z","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":"rYP0csBSiSVd7Xu5iC7AhObr3iRCXEnZfZPQoYDNH0Ew8yZKvVq2dYHP9J1i5TQ5sS1jwFiV175sWn\/QcsaVCg==","server_beacon":{"chain":"drand:quicknet","round":33437853,"randomness":"74027a94306663432c631bd3a3ea94705a5ce344d7c73179606629b58e25ab7d"},"entry_hash":"5f037545a167f589631abb16e3e971e67048e40f4fa3f4d65b40a97f00977a35"},"inclusion_proof":[],"checkpoint":{"id":1175,"seq_start":19,"seq_end":19,"merkle_root":"45edb72abe63e87b65ab90abb742829345e70d6107d047609b53080a66833e86","head_hash":"5f037545a167f589631abb16e3e971e67048e40f4fa3f4d65b40a97f00977a35","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1175.ots","nostr_event_id":"4138348fde17d061bb4830e28e96b887921dc5823cd40eaad5f5d43113b7eacf","bitcoin_nostr_event_id":"9a6d6d7a6beaabaabf9dbe9a4bb1298801a00e61e2c5e90e14492e407894c820","bitcoin":{"height":973423,"hash":"00000000000000000001dbc40e0eedd2f0dd80d6c69d048957305b27b4e95d55","time":1793118244}},"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."}