{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SK3DRHEL65NYCL4XGGTUDONKA7","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":"d95810b1c66e72c47732a47b59309ae76cf4319a30489bfb483779028790a943","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-28T18:52:10Z","title_canon_sha256":"62784eb67d417db94bf350fa00bafdf8b96535afa6487c00122406eb852af885"},"schema_version":"1.0","source":{"id":"2505.22783","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22783","created_at":"2026-06-29T01:15:02Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22783v2","created_at":"2026-06-29T01:15:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22783","created_at":"2026-06-29T01:15:02Z"},{"alias_kind":"pith_short_12","alias_value":"SK3DRHEL65NY","created_at":"2026-06-29T01:15:02Z"},{"alias_kind":"pith_short_16","alias_value":"SK3DRHEL65NYCL4X","created_at":"2026-06-29T01:15:02Z"},{"alias_kind":"pith_short_8","alias_value":"SK3DRHEL","created_at":"2026-06-29T01:15:02Z"}],"graph_snapshots":[{"event_id":"sha256:e99e1bbe48fe710063878577d8bb476c9aedabfc943e318cb569196c540c6a71","target":"graph","created_at":"2026-06-29T01:15:02Z","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/2505.22783/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reliable altitude estimation with frequency-modulated continuous wave (FMCW) radar altimeters is increasingly a challenge due to in-band interference from modern communication systems. In this paper, we present a temporal convolutional autoencoder (TCAE) that directly processes in-phase and quadrature (IQ) samples to suppress structured interference while preserving signal phase and frequency content for range estimation. The model is trained and initially evaluated within a full radar altimeter simulation chain, then further validated via over-the-air (OTA) experiments using a universal softw","authors_text":"Aaron Orndorff, Charles E. Thornton, Jamie Sloop, Samuel Brown, Stephen Young, William C. Headley","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-28T18:52:10Z","title":"Temporal Convolutional Autoencoder for Interference Mitigation in FMCW Radar Altimeters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22783","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":"sha256:6a7ec5ca95d6676b93ea466647b0f5d706e0ce11ba1e640cc62e97a02fde1909","target":"record","created_at":"2026-06-29T01:15:02Z","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":"d95810b1c66e72c47732a47b59309ae76cf4319a30489bfb483779028790a943","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-28T18:52:10Z","title_canon_sha256":"62784eb67d417db94bf350fa00bafdf8b96535afa6487c00122406eb852af885"},"schema_version":"1.0","source":{"id":"2505.22783","kind":"arxiv","version":2}},"canonical_sha256":"92b6389c8bf75b812f9731a741b9aa07de0bcbdd874c7b190c938c9863e9438a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92b6389c8bf75b812f9731a741b9aa07de0bcbdd874c7b190c938c9863e9438a","first_computed_at":"2026-06-29T01:15:02.699364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-29T01:15:02.699364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WO6bEJ6a+pkGE/gKhc/932dJR8XXaKhZMlbiz/46O5oS1u94Q7rQ3Neuvxqlod6pJ9xm7oEWE/34GqpVkOAjCg==","signature_status":"signed_v1","signed_at":"2026-06-29T01:15:02.699870Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.22783","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a7ec5ca95d6676b93ea466647b0f5d706e0ce11ba1e640cc62e97a02fde1909","sha256:e99e1bbe48fe710063878577d8bb476c9aedabfc943e318cb569196c540c6a71"],"state_sha256":"ac0ce3ba8703e7a1f42b0bdbd5c339b67483f060e07ff498f0de8f12911a24ac"}