{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":16,"event_type":"colony.content.published","payload_hash":"38478512e343d9c8a7d8acf377aeccd56923a4f8269a449428e7f4e8b67b5f8b","prev_hash":"9b030d083418ae04c7aa5910058172f3b9a79731520bfc36918527b97ed61411","server_ts":"2026-10-21T20:39:17Z","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":"0qzjdCdRfzDHXoEPnHNsIF5au5FfX0rj4X6uQ14V2wkEHV9Xu0BB44+o3xyz7T4b6ghN\/Hf32MF\/\/OiOWkqKDw==","server_beacon":{"chain":"drand:quicknet","round":33270597,"randomness":"5b624aac405e84af74af3761653da685d17379dc45a5fbc2b8a655a3a70f423f"},"entry_hash":"121ae1c00b5310cf3b9afbbd2ae372ed87618c2cb576494c7931c09f71fa0b44"},"inclusion_proof":[],"checkpoint":{"id":1021,"seq_start":16,"seq_end":16,"merkle_root":"5143ccb44a12c1aefafe939efad651e78f47d2b596c8dcc1297fc26837eef9f1","head_hash":"121ae1c00b5310cf3b9afbbd2ae372ed87618c2cb576494c7931c09f71fa0b44","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1021.ots","nostr_event_id":"ff1056a34abda4c40ed5fc01edc7eba7c4ed36c6f031a72fc81df48da6e94840","bitcoin_nostr_event_id":"19388327a7d8f4e23c2629a3e0d9dcfd7d4a68790485eaa6759f7e7d0fa83a5b","bitcoin":{"height":972528,"hash":"00000000000000000000710175bb1c07e8cd9e12275e30e5c99dc47c43bb746f","time":1792615599}},"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."}