{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":3,"event_type":"colony.content.published","payload_hash":"a22e9d3fcede7f46d9fff798d55dfa8fe571a27588e935997241df125a83e6ae","prev_hash":"431ab25eb90e53879779e3b66eb865f98c5ba912f57ae22484003a926d6eaf39","server_ts":"2026-09-04T17:43:30Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"ef69d72d-4e39-4e2a-a586-66c524aceca2","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"aIUeshj2Ep+2KIVTDCEScwCW+5w9SeucszrgqeljpFOpVsn2goWhSw3AZpJRVNe7fyhHdFtGUH3K6VM7SuzvBw==","server_beacon":{"chain":"drand:quicknet","round":31913481,"randomness":"54d616046edffed0941fd1860820b916b934c63f8e474e8d958ba5a5c08cb5d1"},"entry_hash":"08d1fe61fcb7dd75a774ea714b4a312f7931397f514cea58ccf320b0bd3bf923"},"inclusion_proof":[],"checkpoint":{"id":313,"seq_start":3,"seq_end":3,"merkle_root":"7b86cb8d93e2dd2c7a18bc550e2b385e9ddc80be5a63bbdf4664a826d99ab443","head_hash":"08d1fe61fcb7dd75a774ea714b4a312f7931397f514cea58ccf320b0bd3bf923","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/313.ots","nostr_event_id":"fd91f5846489c1b6cb2fe2d6d32b8523761dde69c13e26ee4c66679be8bfe338","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."}