{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:Z76Z6SNNC3OWU55QODO6PVAGHP","short_pith_number":"pith:Z76Z6SNN","canonical_record":{"source":{"id":"2009.13261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-09-28T12:30:36Z","cross_cats_sorted":[],"title_canon_sha256":"917117e167b284d73474f46fe005a3afd1091d6b5f802939ecf306a9861b6535","abstract_canon_sha256":"551f9d77088a132afc5cf85a8d02723acfab160475652eeb1be698f39db40c2f"},"schema_version":"1.0"},"canonical_sha256":"cffd9f49ad16dd6a77b070dde7d4063bccbfafb8d80c8d17b6cb298327faef2d","source":{"kind":"arxiv","id":"2009.13261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.13261","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"arxiv_version","alias_value":"2009.13261v1","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.13261","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_12","alias_value":"Z76Z6SNNC3OW","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_16","alias_value":"Z76Z6SNNC3OWU55Q","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_8","alias_value":"Z76Z6SNN","created_at":"2026-07-05T01:38:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:Z76Z6SNNC3OWU55QODO6PVAGHP","target":"record","payload":{"canonical_record":{"source":{"id":"2009.13261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-09-28T12:30:36Z","cross_cats_sorted":[],"title_canon_sha256":"917117e167b284d73474f46fe005a3afd1091d6b5f802939ecf306a9861b6535","abstract_canon_sha256":"551f9d77088a132afc5cf85a8d02723acfab160475652eeb1be698f39db40c2f"},"schema_version":"1.0"},"canonical_sha256":"cffd9f49ad16dd6a77b070dde7d4063bccbfafb8d80c8d17b6cb298327faef2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:38:28.206657Z","signature_b64":"6az5AUNv97qTkiiGHeu/2SP2PIWa+PVkvjr7CGTLTOKOLZA1PlFi/4oAeTDd4Jg33WAR6N7Pl4lEP/iZ3ykhAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cffd9f49ad16dd6a77b070dde7d4063bccbfafb8d80c8d17b6cb298327faef2d","last_reissued_at":"2026-07-05T01:38:28.206185Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:38:28.206185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.13261","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":"2026-07-05T01:38:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0gqezKmyZiIT5zFqoUs1PCkCmH+3nJ4RKAPauEz7j+hQkK9ZBEW/qNPWCz43lFHtTrMn5IdyIAMIRllPCAxFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T10:03:54.504282Z"},"content_sha256":"999650fc031759a82fbb2f4282b1eac51153e68f9ae8cdb4e793b184b3293aba","schema_version":"1.0","event_id":"sha256:999650fc031759a82fbb2f4282b1eac51153e68f9ae8cdb4e793b184b3293aba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:Z76Z6SNNC3OWU55QODO6PVAGHP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust MIMO Radar Waveform-Filter Design for Extended Target Detection in the Presence of Multipath","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Chongyi Fan, Jian Wang, Xiaotao Huang, Zhou Xu","submitted_at":"2020-09-28T12:30:36Z","abstract_excerpt":"The existence of multipath brings extra \"looks\" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of waveform-filter design. The goal is to maximize the worst-case Signal-to-Interference-pulse-Noise Ratio(SINR) at the receiver against the uncertainties of the target and multipath reflection coefficients. Moreover, a Constant Modulus Constraint(CMC) is imposed on the transmit waveform to meet the actual demands of radar. Two types of uncertainty sets are taken into consi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.13261","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.13261/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:38:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nzi89KkJOCr9SJLhr6VcXi1aRh/FEBkGbCVIjEpZswyJnppDZEKZtySsoBnva3sPEp6C5qY4YfZNa3TgnHp7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T10:03:54.504860Z"},"content_sha256":"a2643c7b92abd3e48db46b1c332b378924dd8e14d4de26dec69c9ef5a9fe38e8","schema_version":"1.0","event_id":"sha256:a2643c7b92abd3e48db46b1c332b378924dd8e14d4de26dec69c9ef5a9fe38e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/bundle.json","state_url":"https://pith.science/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/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":"2026-08-15T10:03:54Z","links":{"resolver":"https://pith.science/pith/Z76Z6SNNC3OWU55QODO6PVAGHP","bundle":"https://pith.science/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/bundle.json","state":"https://pith.science/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z76Z6SNNC3OWU55QODO6PVAGHP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:Z76Z6SNNC3OWU55QODO6PVAGHP","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":"551f9d77088a132afc5cf85a8d02723acfab160475652eeb1be698f39db40c2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-09-28T12:30:36Z","title_canon_sha256":"917117e167b284d73474f46fe005a3afd1091d6b5f802939ecf306a9861b6535"},"schema_version":"1.0","source":{"id":"2009.13261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.13261","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"arxiv_version","alias_value":"2009.13261v1","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.13261","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_12","alias_value":"Z76Z6SNNC3OW","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_16","alias_value":"Z76Z6SNNC3OWU55Q","created_at":"2026-07-05T01:38:28Z"},{"alias_kind":"pith_short_8","alias_value":"Z76Z6SNN","created_at":"2026-07-05T01:38:28Z"}],"graph_snapshots":[{"event_id":"sha256:a2643c7b92abd3e48db46b1c332b378924dd8e14d4de26dec69c9ef5a9fe38e8","target":"graph","created_at":"2026-07-05T01:38:28Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.13261/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The existence of multipath brings extra \"looks\" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of waveform-filter design. The goal is to maximize the worst-case Signal-to-Interference-pulse-Noise Ratio(SINR) at the receiver against the uncertainties of the target and multipath reflection coefficients. Moreover, a Constant Modulus Constraint(CMC) is imposed on the transmit waveform to meet the actual demands of radar. Two types of uncertainty sets are taken into consi","authors_text":"Chongyi Fan, Jian Wang, Xiaotao Huang, Zhou Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-09-28T12:30:36Z","title":"Robust MIMO Radar Waveform-Filter Design for Extended Target Detection in the Presence of Multipath"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.13261","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":"sha256:999650fc031759a82fbb2f4282b1eac51153e68f9ae8cdb4e793b184b3293aba","target":"record","created_at":"2026-07-05T01:38:28Z","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":"551f9d77088a132afc5cf85a8d02723acfab160475652eeb1be698f39db40c2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-09-28T12:30:36Z","title_canon_sha256":"917117e167b284d73474f46fe005a3afd1091d6b5f802939ecf306a9861b6535"},"schema_version":"1.0","source":{"id":"2009.13261","kind":"arxiv","version":1}},"canonical_sha256":"cffd9f49ad16dd6a77b070dde7d4063bccbfafb8d80c8d17b6cb298327faef2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cffd9f49ad16dd6a77b070dde7d4063bccbfafb8d80c8d17b6cb298327faef2d","first_computed_at":"2026-07-05T01:38:28.206185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:38:28.206185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6az5AUNv97qTkiiGHeu/2SP2PIWa+PVkvjr7CGTLTOKOLZA1PlFi/4oAeTDd4Jg33WAR6N7Pl4lEP/iZ3ykhAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:38:28.206657Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.13261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:999650fc031759a82fbb2f4282b1eac51153e68f9ae8cdb4e793b184b3293aba","sha256:a2643c7b92abd3e48db46b1c332b378924dd8e14d4de26dec69c9ef5a9fe38e8"],"state_sha256":"647d1563e8a5134f4df8cbf5379377d9256cc71bfd723202215725f001b32f74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FoVsqjLEPFjGcLTQlf9d3De0Dwor1OuwFhHV/JkEVWITye3/UKDwoQy2BgPKQLuQwFKypNVU0FPq5atwcK3fDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T10:03:54.508566Z","bundle_sha256":"83f1d5e013191fe692ea83123141a59a4735b895a3b19aefee267790c5d01fe2"}}