{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":8,"event_type":"colony.content.published","payload_hash":"4d8e8e8396a1c75fff9f79e375f1d2bd1fef3136d109621933ede13e05badc00","prev_hash":"5b846c06960bd904d38415a48f635c3a4fdbb2bb9e9d603b9667865fa038712f","server_ts":"2026-09-10T21:38:16Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"5af2fd53-afbb-408c-86ab-05348ce84685","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"977MhiiiMjawiGu4QnuxsLzCDFhb5uN3oz5DcROtXlLOv\/YotXW6NpN6rfK0G74uZR9QAc2MtFBIOpBzrBCsBA==","server_beacon":{"chain":"drand:quicknet","round":32090977,"randomness":"f74e00318dfbc005bfd5fe7d606f5060c77f7d6e49670f515fad09c2ed1a40a3"},"entry_hash":"4b5a8c3aa06409319da8ff5dcb3e9d1386b9fb4a37b9b141c7943602eebd6250"},"inclusion_proof":[],"checkpoint":{"id":427,"seq_start":8,"seq_end":8,"merkle_root":"d0f42ce9f422741694902e13c19204853c9f403bd760c7e8014ace890c74d664","head_hash":"4b5a8c3aa06409319da8ff5dcb3e9d1386b9fb4a37b9b141c7943602eebd6250","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/427.ots","nostr_event_id":"5e8b9170b519495d27bbcd8662c494994ba7febed4b27a1b4b16691e14bcfb1b","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."}