{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7MPB7N7WITVT76XSNXZ77GZ34U","short_pith_number":"pith:7MPB7N7W","canonical_record":{"source":{"id":"1903.10109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-25T03:07:42Z","cross_cats_sorted":[],"title_canon_sha256":"94ca48ca99be387b49d30524c9b3af657c6f2a6eafae49abbceba976ab0d02ee","abstract_canon_sha256":"b8a448d935745ef2c6c1c76fe07035138944149c9fa33f50fd1d67e7a7cc4612"},"schema_version":"1.0"},"canonical_sha256":"fb1e1fb7f644eb3ffaf26df3ff9b3be51e6c85258de37529611755bcdeefb182","source":{"kind":"arxiv","id":"1903.10109","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10109","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10109v1","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10109","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"pith_short_12","alias_value":"7MPB7N7WITVT","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7MPB7N7WITVT76XS","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7MPB7N7W","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7MPB7N7WITVT76XSNXZ77GZ34U","target":"record","payload":{"canonical_record":{"source":{"id":"1903.10109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-25T03:07:42Z","cross_cats_sorted":[],"title_canon_sha256":"94ca48ca99be387b49d30524c9b3af657c6f2a6eafae49abbceba976ab0d02ee","abstract_canon_sha256":"b8a448d935745ef2c6c1c76fe07035138944149c9fa33f50fd1d67e7a7cc4612"},"schema_version":"1.0"},"canonical_sha256":"fb1e1fb7f644eb3ffaf26df3ff9b3be51e6c85258de37529611755bcdeefb182","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:30.691869Z","signature_b64":"NJnJyEaF3lRyQOd+99kQMj1wlD9G4J1nEamGr8hngubcoGfPMZKGIoFB6rrY7jtn7R5zlh53dSGACJUZjAq9DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb1e1fb7f644eb3ffaf26df3ff9b3be51e6c85258de37529611755bcdeefb182","last_reissued_at":"2026-05-17T23:50:30.691188Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:30.691188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.10109","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1cQEgw01Pl6A90VFyHzqThL5sTkVczgHiv5e0NQptxsnx1bxWgIm1XzWamU29IZZuvAWgvcOQkGqgQJ0QVl5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T13:22:21.776295Z"},"content_sha256":"5d78f11ff72fa02c1efc60b36eb928adf896422be80da43288ef440aab82fb68","schema_version":"1.0","event_id":"sha256:5d78f11ff72fa02c1efc60b36eb928adf896422be80da43288ef440aab82fb68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7MPB7N7WITVT76XSNXZ77GZ34U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Centralized Versus Decentralized Detection of Attacks in Stochastic Interconnected Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Fabio Pasqualetti, Rajasekhar Anguluri, Vaibhav Katewa","submitted_at":"2019-03-25T03:07:42Z","abstract_excerpt":"We consider a security problem for interconnected systems governed by linear, discrete, time-invariant, stochastic dynamics, where the objective is to detect exogenous attacks by processing the measurements at different locations. We consider two classes of detectors, namely centralized and decentralized detectors, which differ primarily in their knowledge of the system model. In particular, a decentralized detector has a model of the dynamics of the isolated subsystems, but is unaware of the interconnection signals that are exchanged among subsystems. Instead, a centralized detector has a mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10109","kind":"arxiv","version":1},"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":"2026-05-17T23:50:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MiqQ2NqrWC8vmHedPgNJCrsp1MZdoSX0+FfzP08UXy7NLvy+1CsUDudLx/s6mCvA/CsyHdZpy/fl+SWGYJWhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T13:22:21.776954Z"},"content_sha256":"8a3ccc302a7e0da5db222a18bed22ffc006aab505004e6b3a9ee54424e91f86e","schema_version":"1.0","event_id":"sha256:8a3ccc302a7e0da5db222a18bed22ffc006aab505004e6b3a9ee54424e91f86e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7MPB7N7WITVT76XSNXZ77GZ34U/bundle.json","state_url":"https://pith.science/pith/7MPB7N7WITVT76XSNXZ77GZ34U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7MPB7N7WITVT76XSNXZ77GZ34U/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":"2026-06-06T13:22:21Z","links":{"resolver":"https://pith.science/pith/7MPB7N7WITVT76XSNXZ77GZ34U","bundle":"https://pith.science/pith/7MPB7N7WITVT76XSNXZ77GZ34U/bundle.json","state":"https://pith.science/pith/7MPB7N7WITVT76XSNXZ77GZ34U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7MPB7N7WITVT76XSNXZ77GZ34U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7MPB7N7WITVT76XSNXZ77GZ34U","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":"b8a448d935745ef2c6c1c76fe07035138944149c9fa33f50fd1d67e7a7cc4612","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-25T03:07:42Z","title_canon_sha256":"94ca48ca99be387b49d30524c9b3af657c6f2a6eafae49abbceba976ab0d02ee"},"schema_version":"1.0","source":{"id":"1903.10109","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10109","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10109v1","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10109","created_at":"2026-05-17T23:50:30Z"},{"alias_kind":"pith_short_12","alias_value":"7MPB7N7WITVT","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7MPB7N7WITVT76XS","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7MPB7N7W","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:8a3ccc302a7e0da5db222a18bed22ffc006aab505004e6b3a9ee54424e91f86e","target":"graph","created_at":"2026-05-17T23:50:30Z","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 consider a security problem for interconnected systems governed by linear, discrete, time-invariant, stochastic dynamics, where the objective is to detect exogenous attacks by processing the measurements at different locations. We consider two classes of detectors, namely centralized and decentralized detectors, which differ primarily in their knowledge of the system model. In particular, a decentralized detector has a model of the dynamics of the isolated subsystems, but is unaware of the interconnection signals that are exchanged among subsystems. Instead, a centralized detector has a mod","authors_text":"Fabio Pasqualetti, Rajasekhar Anguluri, Vaibhav Katewa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-25T03:07:42Z","title":"Centralized Versus Decentralized Detection of Attacks in Stochastic Interconnected Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10109","kind":"arxiv","version":1},"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":"sha256:5d78f11ff72fa02c1efc60b36eb928adf896422be80da43288ef440aab82fb68","target":"record","created_at":"2026-05-17T23:50:30Z","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":"b8a448d935745ef2c6c1c76fe07035138944149c9fa33f50fd1d67e7a7cc4612","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-25T03:07:42Z","title_canon_sha256":"94ca48ca99be387b49d30524c9b3af657c6f2a6eafae49abbceba976ab0d02ee"},"schema_version":"1.0","source":{"id":"1903.10109","kind":"arxiv","version":1}},"canonical_sha256":"fb1e1fb7f644eb3ffaf26df3ff9b3be51e6c85258de37529611755bcdeefb182","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb1e1fb7f644eb3ffaf26df3ff9b3be51e6c85258de37529611755bcdeefb182","first_computed_at":"2026-05-17T23:50:30.691188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:30.691188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NJnJyEaF3lRyQOd+99kQMj1wlD9G4J1nEamGr8hngubcoGfPMZKGIoFB6rrY7jtn7R5zlh53dSGACJUZjAq9DQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:30.691869Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.10109","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d78f11ff72fa02c1efc60b36eb928adf896422be80da43288ef440aab82fb68","sha256:8a3ccc302a7e0da5db222a18bed22ffc006aab505004e6b3a9ee54424e91f86e"],"state_sha256":"fa39654cb1435468f302e1ff3e44c8043228518022a502f9fbb9dd054465e4e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+Vi1M96ePHavpJ3L1sZFZtubzWiZkCm/qD3h8FIKWMXtbW4Qz80DnRjhw36VtWu2u/lThENvh+x+FWzWwA0CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T13:22:21.780635Z","bundle_sha256":"39c5833c93230b113167b4bc133a0fc76eead75f84c1e6c5390a7f7ea2ec1265"}}