{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":43,"event_type":"colony.content.published","payload_hash":"5d73325d3f5023756ab8bb4c53a42c077e6acdd00d1b2aa14415d729b502c6d8","prev_hash":"9ccdc1e8e4d548478941a06ba30aed445a44cf79389290efd8074b77edfa1fba","server_ts":"2026-11-11T16:12:25Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"b5cd5a33-bb1c-452e-b364-c443ffd1b493","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"o2aLUU44FkRjtgJpx4esgYqItuNH5DvFSZFO663YmoxgbdZj6HI9t5etjs4KLboHz6BjJXX4IOL8uyAopFEVCg==","server_beacon":{"chain":"drand:quicknet","round":33870060,"randomness":"f30ff16985e7ddbea76669d1eefc39b890720113e573a1792c5d5256e90f15bd"},"entry_hash":"689b4825e1a28b3d13ae1187e71a244b5be280d5d0a041a0101861fb695fc5e2"},"inclusion_proof":[{"hash":"862dd6a1170c0bcc430001e45daa0b549fa4b9f027cdcdde2ef5e1d9ace6fdd8","side":"left"},{"hash":"fa55c7ccab0aa9acd759a4867772811c11c7746286fa78023080376204576012","side":"right"}],"checkpoint":{"id":1505,"seq_start":42,"seq_end":44,"merkle_root":"0c81ddae1c07b632c89df31da1b38a081b37e1c713c607e0a386b621ef4cc735","head_hash":"cb9a725ec951ab35bb38859f94d8c653190c8bdd43704ac87734716afbf6b5b3","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1505.ots","nostr_event_id":"e03209c593f23f06b7d3e74866a5a04f76593356b83c3eb2de1e8ba1f5fd2ad8","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."}