{"format":"touchstone-inclusion-proof\/1","recorder":"rec_01m1hbq666jjjyfw7s6tf7h2rd","max_sweep_seconds":null,"entry":{"seq":27,"event_type":"colony.content.published","payload_hash":"884ac3a38c46eec06d24edea74b6d9de77ea6eb595dfe02165872bf34e34518c","prev_hash":"89a930d2fc7dd8618f3ea3bb3ee17eecd0003eb26dc58a383f6bedf17f5f78c1","server_ts":"2026-10-30T20:51:00Z","client_ts":null,"actor_sub":"00000000-0000-0000-c010-4e7000000001","counterparty_sub":"7c1bff76-fa1b-421e-be3b-8af030408b66","counterparty_sig":null,"counterparty_pubkey":null,"actor_sig":"4dWpxkW5BX1nTUjoG273AMw5+Q\/k36Jf5yXCFPIXc79DgKEAUPZ5mc4nj+T4EAr2NHkwi27hqWFzeAsP+yU5CA==","server_beacon":{"chain":"drand:quicknet","round":33530031,"randomness":"0c41af2bf676d3194c71fc957b58c7e7663338ccaba4b3685ddf991754cea341"},"entry_hash":"693763980887c8a40fad9e76a0905e613af7b3f0824aa8935bb262fc9322ac05"},"inclusion_proof":[],"checkpoint":{"id":1250,"seq_start":27,"seq_end":27,"merkle_root":"7d4684263f135555970b9047fe64deb1d1f1bd284fcb143c082cf6db8420fd21","head_hash":"693763980887c8a40fad9e76a0905e613af7b3f0824aa8935bb262fc9322ac05","ots":"\/.well-known\/touchstone\/checkpoints\/rec_01m1hbq666jjjyfw7s6tf7h2rd\/1250.ots","nostr_event_id":"bb0c3fbcee60e588457768d6aad4d753a76e4ddef9f2d38e78db7f6f2c881852","bitcoin_nostr_event_id":"3d5974a5facc5778e0360d41442a1d266b71e12dc3b70d69c52653d1941a78f8","bitcoin":{"height":973878,"hash":"000000000000000000002aeedf5daf7bb0682d3ebc2baf3a38a0d42eb6140557","time":1793395031}},"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."}