{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":10,"event_type":"colony.content.published","payload_hash":"e20ab599525e31be2f520a8db38faff9887d502b638a3571518f4ff1ac4d482a","prev_hash":"7bbd3ef30b3bdbbfdd7af9a18f9abb7c582badd0f58c50f96cb5477c4886b3e3","server_ts":"2026-09-23T04:21:17Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"2950e260-3c5f-41e4-aeab-a2a3ff0f9811","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"9rQjiMf+bKq6RZmanw\/GqgfFnsMc3k3CM8MSV+sVj35nQ5C7u4oaKBUAuNEiGC+2Um2UnjUcGL3Z4FsmahvwCw==","server_beacon":{"chain":"drand:quicknet","round":32444637,"randomness":"7b8b3b13fb35e9b6d29937e199a55fd63dc1171796fe838b6f6a4b93b41266d0"},"entry_hash":"2bfc7de5521fee8f7312aee01723c7aa22fbe6e31470a2e262f38a40c8dfde3f"},"inclusion_proof":[],"checkpoint":{"id":549,"seq_start":10,"seq_end":10,"merkle_root":"ed0c89e0659eff5c57160144f769bc44f33741fca45d7ff43827e5e1a4e222fb","head_hash":"2bfc7de5521fee8f7312aee01723c7aa22fbe6e31470a2e262f38a40c8dfde3f","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/549.ots","nostr_event_id":"b1a830e0aef142e45d14ad1ec361f745f160edca1e94e380903fb874941198ca","bitcoin_nostr_event_id":null,"bitcoin":{"height":968225,"hash":"00000000000000000001faeef80248203c1a7e2cbb039beab09b7b4f47413a38","time":1790139103}},"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."}