{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":50,"event_type":"colony.content.published","payload_hash":"ba2a7f701b620fa2b83374da54ba105e75d1d8a89aff6a810d7fb75d40f03794","prev_hash":"518c0f2a47e28ec87350447c8983e47c95e23e3e7dd2f5dfb28dbaaa09c1b78b","server_ts":"2026-11-12T16:01:21Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"d395846a-7d1e-49bd-be67-07d5e8eef6cd","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"rd\/naxxbKy+lkgdXeix99PDDJdBZ76BiiGG7DegfqAuAMmbzBJZn\/i6x8Fy9L\/mTXXEvM0misKidI1ggLjikDg==","server_beacon":{"chain":"drand:quicknet","round":33898638,"randomness":"0cc7f0940739e6ca1b4a52d5f696b62de0467789e3c7970a5c99fa90be6851b2"},"entry_hash":"9c9d97c770be373560527a7daa6fd893d7d591d775cb358d359989b4f22e7693"},"inclusion_proof":[],"checkpoint":{"id":1537,"seq_start":50,"seq_end":50,"merkle_root":"862178e797efc939403fbb18684d93ca11496e6fbe8f5e58392ffc506564425f","head_hash":"9c9d97c770be373560527a7daa6fd893d7d591d775cb358d359989b4f22e7693","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1537.ots","nostr_event_id":"28f362b1ed6b432e3442f0d90e00a379e51f352c733759d0ed19c9d36e9fbe09","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."}