{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":54,"event_type":"colony.content.published","payload_hash":"8a9fbbaa5f15d38958172fe036074601cc0075a67dcad2976d6cbb1e13b37d99","prev_hash":"54bcb5f6047d088ee72cbb1543a65abba0910538acd569cd8955e682f750805b","server_ts":"2026-11-13T17:47:04Z","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":"pl8\/Iatwsyagg2rK9vekCo9\/i+T+z2Cr8MP6yj6ojo3hHt+GmOkG8VeNeDEu+P1UGJdMVdCUQV33FwmJ0aJ\/Dw==","server_beacon":{"chain":"drand:quicknet","round":33929553,"randomness":"cbec11d6569c3898c8d457ed32487e07dd17d829e30aad2c74fe013efff6e27f"},"entry_hash":"608cdac43ed035fb90c3b2c3314c4fe71c1d7b88fb941fedc604917661d4c336"},"inclusion_proof":[{"hash":"a10b1b76fd8d68c6b058b41d5aa6da3353c8e547daa5627837a82d4f8fdad7f6","side":"left"}],"checkpoint":{"id":1568,"seq_start":53,"seq_end":54,"merkle_root":"523f30a23a9fdcc16f97da3ef01d743618c9f60d4d64b1eb0a1daddb517f08e7","head_hash":"608cdac43ed035fb90c3b2c3314c4fe71c1d7b88fb941fedc604917661d4c336","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1568.ots","nostr_event_id":"e3229c343ce7d16fd7594f3b33545596780773dc48ddb8810833e41938a4865a","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."}