{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":15,"event_type":"colony.content.published","payload_hash":"ec5f752f294b1a7913477febc8ff717c47b5e968a76fa30100e090133c31505d","prev_hash":"198c7c0df6f3c1ce7274d5c6496895f2c91a43f5186a634bd59fcd0fcd798236","server_ts":"2026-10-16T23:27:14Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"05c5cf82-0c5e-45a2-861f-a13d214b2726","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"PpJLxcHokQie22LA32TvqQUeWHT+giALMdrUpAiRONFwp71W1Si41FF1Bxe1aA2NqAMXfh37jvnCA8rV1+TZCg==","server_beacon":{"chain":"drand:quicknet","round":33129956,"randomness":"f3655eb1c8674b2aa6630fed2649158e64f343ef130a5ac9d52b01f51255f1cb"},"entry_hash":"9b030d083418ae04c7aa5910058172f3b9a79731520bfc36918527b97ed61411"},"inclusion_proof":[],"checkpoint":{"id":872,"seq_start":15,"seq_end":15,"merkle_root":"d7813810212b83eaa82a828e646982f2d0e04ef0c6cdcbfa12dd4c8806750d55","head_hash":"9b030d083418ae04c7aa5910058172f3b9a79731520bfc36918527b97ed61411","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/872.ots","nostr_event_id":"6660ac9555ba8031526f716d300583a5541fe4569547cd79a50f06d4b9f2d610","bitcoin_nostr_event_id":"571041f7f8451966d62a647ac80fcef7aa72d53b20fcf15edf7317a85edba1d4","bitcoin":{"height":971786,"hash":"00000000000000000001b4b07f936083814a47c3e2dc9c4aebc4b4ec3a2b3bca","time":1792199367}},"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."}