{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6WGUXH2G2RKK274YITWUAF5HQ4","short_pith_number":"pith:6WGUXH2G","canonical_record":{"source":{"id":"1604.00399","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-01T20:05:12Z","cross_cats_sorted":[],"title_canon_sha256":"31e761b6ee058a55c828492e6efa6e68a67e68de914aa7f4e9aea6885819b54c","abstract_canon_sha256":"b6c3c82e6ea5a02846951150e17c610ab834f9ae7188b3b9d40b1932f6a09514"},"schema_version":"1.0"},"canonical_sha256":"f58d4b9f46d454ad7f9844ed4017a787274d0e394be6c0b4ff2a16198e205f93","source":{"kind":"arxiv","id":"1604.00399","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00399","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00399v3","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00399","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"pith_short_12","alias_value":"6WGUXH2G2RKK","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6WGUXH2G2RKK274Y","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6WGUXH2G","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6WGUXH2G2RKK274YITWUAF5HQ4","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00399","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-01T20:05:12Z","cross_cats_sorted":[],"title_canon_sha256":"31e761b6ee058a55c828492e6efa6e68a67e68de914aa7f4e9aea6885819b54c","abstract_canon_sha256":"b6c3c82e6ea5a02846951150e17c610ab834f9ae7188b3b9d40b1932f6a09514"},"schema_version":"1.0"},"canonical_sha256":"f58d4b9f46d454ad7f9844ed4017a787274d0e394be6c0b4ff2a16198e205f93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:25.549099Z","signature_b64":"dE/iekiof4ZODgEVXZ+90CCmOwXTo/2iUQAIGgeZJgWLoAO+y9ftNiWBImJVU2C5QGf37gQjuwTa/B9tObbAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f58d4b9f46d454ad7f9844ed4017a787274d0e394be6c0b4ff2a16198e205f93","last_reissued_at":"2026-05-18T00:59:25.548567Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:25.548567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00399","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:59:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wxAAOnjYjmUtrTSGw07oGfZJ+oEuCC/MnP6fN6WH62FXu09HDddHEVfG02x5DJcIP3Spp7pB4hpWxw8oOt8vCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:43:49.758912Z"},"content_sha256":"7fb4c6a59f9a5f9320cf2c958190c82f8747527ce9c1dc80fc8d3be9781fa69e","schema_version":"1.0","event_id":"sha256:7fb4c6a59f9a5f9320cf2c958190c82f8747527ce9c1dc80fc8d3be9781fa69e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6WGUXH2G2RKK274YITWUAF5HQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback Control of Two-mode Output Entanglement and Steering in Cavity Optomechanics","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"David Vitali, Muhammad Asjad, Paolo Tombesi","submitted_at":"2016-04-01T20:05:12Z","abstract_excerpt":"We show that the closed-loop control obtained by feeding back the derivative of the signal from the homodyne measurement of one mode of the light exiting a two-mode optical cavity interacting with a mechanical resonator permits to control and increase optical output entanglement. In particular, the proposed feedback-enhanced setup allows to achieve a fidelity of coherent state teleportation greater than the threshold value of 2/3 for secure teleportation, and two-way steering between the two cavity's output modes down the line in presence of loss, which otherwise would not be possible without "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00399","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:59:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9q4HcY3F7Br5lVetbWPhSXp5k1iuqyV3HwO9xfLB44Gmt0kS3XhAfGfUvKSZLp2s9e9+QoZOUmfn6Pw04iSkCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:43:49.759495Z"},"content_sha256":"ad128278c403d5cc724c6b0bbc336618baee113d53701282820059ae6e04f622","schema_version":"1.0","event_id":"sha256:ad128278c403d5cc724c6b0bbc336618baee113d53701282820059ae6e04f622"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WGUXH2G2RKK274YITWUAF5HQ4/bundle.json","state_url":"https://pith.science/pith/6WGUXH2G2RKK274YITWUAF5HQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WGUXH2G2RKK274YITWUAF5HQ4/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T17:43:49Z","links":{"resolver":"https://pith.science/pith/6WGUXH2G2RKK274YITWUAF5HQ4","bundle":"https://pith.science/pith/6WGUXH2G2RKK274YITWUAF5HQ4/bundle.json","state":"https://pith.science/pith/6WGUXH2G2RKK274YITWUAF5HQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WGUXH2G2RKK274YITWUAF5HQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6WGUXH2G2RKK274YITWUAF5HQ4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b6c3c82e6ea5a02846951150e17c610ab834f9ae7188b3b9d40b1932f6a09514","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-01T20:05:12Z","title_canon_sha256":"31e761b6ee058a55c828492e6efa6e68a67e68de914aa7f4e9aea6885819b54c"},"schema_version":"1.0","source":{"id":"1604.00399","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00399","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00399v3","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00399","created_at":"2026-05-18T00:59:25Z"},{"alias_kind":"pith_short_12","alias_value":"6WGUXH2G2RKK","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6WGUXH2G2RKK274Y","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6WGUXH2G","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:ad128278c403d5cc724c6b0bbc336618baee113d53701282820059ae6e04f622","target":"graph","created_at":"2026-05-18T00:59:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We show that the closed-loop control obtained by feeding back the derivative of the signal from the homodyne measurement of one mode of the light exiting a two-mode optical cavity interacting with a mechanical resonator permits to control and increase optical output entanglement. In particular, the proposed feedback-enhanced setup allows to achieve a fidelity of coherent state teleportation greater than the threshold value of 2/3 for secure teleportation, and two-way steering between the two cavity's output modes down the line in presence of loss, which otherwise would not be possible without ","authors_text":"David Vitali, Muhammad Asjad, Paolo Tombesi","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-01T20:05:12Z","title":"Feedback Control of Two-mode Output Entanglement and Steering in Cavity Optomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00399","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7fb4c6a59f9a5f9320cf2c958190c82f8747527ce9c1dc80fc8d3be9781fa69e","target":"record","created_at":"2026-05-18T00:59:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b6c3c82e6ea5a02846951150e17c610ab834f9ae7188b3b9d40b1932f6a09514","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-01T20:05:12Z","title_canon_sha256":"31e761b6ee058a55c828492e6efa6e68a67e68de914aa7f4e9aea6885819b54c"},"schema_version":"1.0","source":{"id":"1604.00399","kind":"arxiv","version":3}},"canonical_sha256":"f58d4b9f46d454ad7f9844ed4017a787274d0e394be6c0b4ff2a16198e205f93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f58d4b9f46d454ad7f9844ed4017a787274d0e394be6c0b4ff2a16198e205f93","first_computed_at":"2026-05-18T00:59:25.548567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:25.548567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dE/iekiof4ZODgEVXZ+90CCmOwXTo/2iUQAIGgeZJgWLoAO+y9ftNiWBImJVU2C5QGf37gQjuwTa/B9tObbAAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:25.549099Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00399","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fb4c6a59f9a5f9320cf2c958190c82f8747527ce9c1dc80fc8d3be9781fa69e","sha256:ad128278c403d5cc724c6b0bbc336618baee113d53701282820059ae6e04f622"],"state_sha256":"2a79d49bc1f0be2245011de6fdf9057de9b9257e934f723aa3794e96f4e84293"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nhg3JoA6HoeweCsSJ+SywZDoKcdyZjJ0yq1nJ2PfypzVX1NeCbvTYL2GqacHmt7n3fm2zFkhDTdSmYM6SMnuBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:43:49.762613Z","bundle_sha256":"c6fb17892924e35515e986f19d434004f2ed021396165a203339eb8365ae7d91"}}