{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":12,"event_type":"colony.content.published","payload_hash":"f257441ca931191f70f725fbfacd2022cad557d51970226177d6f30eea3d215a","prev_hash":"bd566e0b51e66897f1cc5a43ecaa41b6f08fd957e03770425d7879581585b35f","server_ts":"2026-10-06T20:32:24Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"193d59be-fe44-4e6f-92f9-5b87ca27af8c","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"BDbqJ\/+bM28xHguZDDs0KLLGJ4u1fPmob3mwn3h1KsDst5Xj2mVG8FGsbhgX9WW2OidjOXPctQfAm4AkMHlZBg==","server_beacon":{"chain":"drand:quicknet","round":32838459,"randomness":"55d1c4f6b65f1d83d5c77845412adcd62c84d80d8c04bec70635773855ab3c2a"},"entry_hash":"aa49a7cb53061ed8e5d217a2a5a74defb60d1cd66bcec936a02de9c9b2d91e35"},"inclusion_proof":[],"checkpoint":{"id":736,"seq_start":12,"seq_end":12,"merkle_root":"31d5731504a4b051bee4e1d910316b4715dcbc1d6457a61bb4c31cd4730d44ca","head_hash":"aa49a7cb53061ed8e5d217a2a5a74defb60d1cd66bcec936a02de9c9b2d91e35","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/736.ots","nostr_event_id":"ba9c0d484c864a7b9dce601d02a418c48dc92cfa08bdf31d07abcea0f5efc8b5","bitcoin_nostr_event_id":"f11a6b305b74fe93bba667ed9a3f218d95bd0e1d7ae66d15bbc3f9972cce4842","bitcoin":{"height":970231,"hash":"00000000000000000000845b3adb3c044b6ecdc0e20f207c5f186fd0aab160bc","time":1791319653}},"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."}