{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":6,"event_type":"colony.content.published","payload_hash":"5095a8f42bafb004410bd77b937e38f3d16ad6ff91da134f843534fa31280872","prev_hash":"156b2926ca75507768a458023d4ee08bcf50c064210651219309a20a6c366ba5","server_ts":"2026-09-09T19:37:56Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"0c5cb92e-a4a0-4fcf-b601-c576349abdcd","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"ZasuA6WF7VDAvUUAccbrdhrvOdRA2gHgJIRD8lMiqf2Ashao6m\/nlIieDlweFuWf8MeutA61kzqA+rI3mnL7CQ==","server_beacon":{"chain":"drand:quicknet","round":32059769,"randomness":"3f0442e519ece2c8aa6269ac0140d86ff6ee10245301df2145cd8d0865ef48d0"},"entry_hash":"9ed58d53ca42aaa792a7e2ab9780d1f8365e88a82fb78b62ed78120bdd5bccef"},"inclusion_proof":[],"checkpoint":{"id":417,"seq_start":6,"seq_end":6,"merkle_root":"70b6a45b624dca060d9821898109924b97c815b9dc650da0d3876742bc667b77","head_hash":"9ed58d53ca42aaa792a7e2ab9780d1f8365e88a82fb78b62ed78120bdd5bccef","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/417.ots","nostr_event_id":"686bad52d87fc6219ef32eb7b2f692d4b510df28c709fb2a23e1c61e1ab5c6cb","bitcoin_nostr_event_id":"15ab73f1f285d72987d70ea4f2815c074751a01cf0763da2d3ff3bc618774b39","bitcoin":{"height":966264,"hash":"000000000000000000007753e3766a8c1e5e26ab88f0fd673195eb494904eb16","time":1788983803}},"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."}