{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:I3H3HDG4IWKFM4757CV7QV3HLL","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":"645737d5a7af13051dd3ee583a26a0ddd7b7e8401160112099592c3c2b2d7514","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-02-06T06:47:05Z","title_canon_sha256":"4b0793780795a78198375c66f634226d76e00775119e13255e77b94e319f7980"},"schema_version":"1.0","source":{"id":"2302.02587","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.02587","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"2302.02587v2","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.02587","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"I3H3HDG4IWKF","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"I3H3HDG4IWKFM475","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"I3H3HDG4","created_at":"2026-07-05T06:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:bdb1aff899473fef26d6f82c764b5783da2df1b33fa46101814675c01a41b344","target":"graph","created_at":"2026-07-05T06:32:05Z","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/2302.02587/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper considers an integrated sensing and communication system, where some radar targets also serve as communication scatterers. A location domain channel modeling method is proposed based on the position of targets and scatterers in the scattering environment, and the resulting radar and communication channels exhibit a two-dimensional (2-D) joint burst sparsity. We propose a joint scattering environment sensing and channel estimation scheme to enhance the target/scatterer localization and channel estimation performance simultaneously, where a spatially non-stationary Markov random field","authors_text":"An Liu, Ming Lei, Minjian Zhao, Wenkang Xu, Yongbo Xiao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-02-06T06:47:05Z","title":"Joint Scattering Environment Sensing and Channel Estimation Based on Non-stationary Markov Random Field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.02587","kind":"arxiv","version":2},"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":"sha256:408dd93324a735c5674983c1056b72a500928b17da820c4fd720fe6fa5447125","target":"record","created_at":"2026-07-05T06:32:05Z","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":"645737d5a7af13051dd3ee583a26a0ddd7b7e8401160112099592c3c2b2d7514","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-02-06T06:47:05Z","title_canon_sha256":"4b0793780795a78198375c66f634226d76e00775119e13255e77b94e319f7980"},"schema_version":"1.0","source":{"id":"2302.02587","kind":"arxiv","version":2}},"canonical_sha256":"46cfb38cdc45945673fdf8abf857675af0de8f1fa758bb5d9b3c34c0f6047b2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46cfb38cdc45945673fdf8abf857675af0de8f1fa758bb5d9b3c34c0f6047b2e","first_computed_at":"2026-07-05T06:32:05.735989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:32:05.735989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LRLJ6Y1X6PCCMCN2e0JRxCt3KWnBzgNN9qa2f9f8nppEP40U4Jfxq+c5g4TOa9SBGGOlqAGtVntp8fCX7IhiBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:32:05.736899Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.02587","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:408dd93324a735c5674983c1056b72a500928b17da820c4fd720fe6fa5447125","sha256:bdb1aff899473fef26d6f82c764b5783da2df1b33fa46101814675c01a41b344"],"state_sha256":"5d0e6ea1feca63255e7e3258246ad5f139e8d8b038a4c187f3ffde752c25a099"}