{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7ZTJEF7RXHDKPBPHFT7PJXZ4Q4","short_pith_number":"pith:7ZTJEF7R","canonical_record":{"source":{"id":"2207.03241","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-07T11:48:21Z","cross_cats_sorted":[],"title_canon_sha256":"74d2071c83b13e4053da65c97733393fcff82806032d91f74f8b51e91d2a733c","abstract_canon_sha256":"52a78be883dd360c66d545555a1a1f64f0f7aed3d6512d1b873fd6934b00e899"},"schema_version":"1.0"},"canonical_sha256":"fe669217f1b9c6a785e72cfef4df3c872ec96554bff390c16a488753369f686c","source":{"kind":"arxiv","id":"2207.03241","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.03241","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"arxiv_version","alias_value":"2207.03241v2","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.03241","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_12","alias_value":"7ZTJEF7RXHDK","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_16","alias_value":"7ZTJEF7RXHDKPBPH","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_8","alias_value":"7ZTJEF7R","created_at":"2026-07-05T09:41:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7ZTJEF7RXHDKPBPHFT7PJXZ4Q4","target":"record","payload":{"canonical_record":{"source":{"id":"2207.03241","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-07T11:48:21Z","cross_cats_sorted":[],"title_canon_sha256":"74d2071c83b13e4053da65c97733393fcff82806032d91f74f8b51e91d2a733c","abstract_canon_sha256":"52a78be883dd360c66d545555a1a1f64f0f7aed3d6512d1b873fd6934b00e899"},"schema_version":"1.0"},"canonical_sha256":"fe669217f1b9c6a785e72cfef4df3c872ec96554bff390c16a488753369f686c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:41:26.091694Z","signature_b64":"8kunTmvkPa+hJ2u1NXdkjLw8c2aOQQXPgceHKk69mBDulpSmbgpc9DRZvQjb5q/5C/WWbuEn+r3Stv20O/pNAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe669217f1b9c6a785e72cfef4df3c872ec96554bff390c16a488753369f686c","last_reissued_at":"2026-07-05T09:41:26.091093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:41:26.091093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.03241","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:41:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iDgWB493ZycXNVrLgP7+RfQmik1JIqm1vSeeGPQmJOMZbQ71n5IrOLXKYO7tJ1qVsKzPJPtD8Y7CJIUbribUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:26:38.430036Z"},"content_sha256":"a559c22effd44c745dc07ddfa642ce305c487b472c44e9607ede94e600f37f15","schema_version":"1.0","event_id":"sha256:a559c22effd44c745dc07ddfa642ce305c487b472c44e9607ede94e600f37f15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7ZTJEF7RXHDKPBPHFT7PJXZ4Q4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly Efficient Waveform Design and Hybrid Duplex for Joint Communication and Sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Guanghui Yu, Liujun Hu, Shuqiang Xia, Yihua Ma, Zhifeng Yuan","submitted_at":"2022-07-07T11:48:21Z","abstract_excerpt":"Joint communication and sensing (JCAS) is a very promising 6G technology, which attracts more and more research attention. Compared with communication, radar has many unique features in terms of waveform design criteria, self-interference cancellation (SIC), aperture-dependent resolution, and virtual aperture. This paper proposes a novel waveform design named max-aperture radar slicing (MaRS) to gain a large time-frequency aperture, which is generated by orthogonal frequency division multiplexing (OFDM) and occupies only a tiny fraction of OFDM resources. The proposed MaRS keeps the radar adva"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.03241","kind":"arxiv","version":2},"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/2207.03241/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":"2026-07-05T09:41:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/EzRHjpo6rDoibBrCql6X0K1H7u0iXC1HIKuDqodC+EbuXdwg340bfRsYIAyfamkgzeHnkTEM+WOGbqBh5yUAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:26:38.431098Z"},"content_sha256":"3a4dbdbcea5e5d2c8d57c34c6540a9d9d4ce844b1a1eb5322334cf187a48b2e2","schema_version":"1.0","event_id":"sha256:3a4dbdbcea5e5d2c8d57c34c6540a9d9d4ce844b1a1eb5322334cf187a48b2e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/bundle.json","state_url":"https://pith.science/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/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":"2026-08-05T01:26:38Z","links":{"resolver":"https://pith.science/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4","bundle":"https://pith.science/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/bundle.json","state":"https://pith.science/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7ZTJEF7RXHDKPBPHFT7PJXZ4Q4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7ZTJEF7RXHDKPBPHFT7PJXZ4Q4","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":"52a78be883dd360c66d545555a1a1f64f0f7aed3d6512d1b873fd6934b00e899","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-07T11:48:21Z","title_canon_sha256":"74d2071c83b13e4053da65c97733393fcff82806032d91f74f8b51e91d2a733c"},"schema_version":"1.0","source":{"id":"2207.03241","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.03241","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"arxiv_version","alias_value":"2207.03241v2","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.03241","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_12","alias_value":"7ZTJEF7RXHDK","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_16","alias_value":"7ZTJEF7RXHDKPBPH","created_at":"2026-07-05T09:41:26Z"},{"alias_kind":"pith_short_8","alias_value":"7ZTJEF7R","created_at":"2026-07-05T09:41:26Z"}],"graph_snapshots":[{"event_id":"sha256:3a4dbdbcea5e5d2c8d57c34c6540a9d9d4ce844b1a1eb5322334cf187a48b2e2","target":"graph","created_at":"2026-07-05T09:41:26Z","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/2207.03241/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Joint communication and sensing (JCAS) is a very promising 6G technology, which attracts more and more research attention. Compared with communication, radar has many unique features in terms of waveform design criteria, self-interference cancellation (SIC), aperture-dependent resolution, and virtual aperture. This paper proposes a novel waveform design named max-aperture radar slicing (MaRS) to gain a large time-frequency aperture, which is generated by orthogonal frequency division multiplexing (OFDM) and occupies only a tiny fraction of OFDM resources. The proposed MaRS keeps the radar adva","authors_text":"Guanghui Yu, Liujun Hu, Shuqiang Xia, Yihua Ma, Zhifeng Yuan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-07T11:48:21Z","title":"Highly Efficient Waveform Design and Hybrid Duplex for Joint Communication and Sensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.03241","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:a559c22effd44c745dc07ddfa642ce305c487b472c44e9607ede94e600f37f15","target":"record","created_at":"2026-07-05T09:41:26Z","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":"52a78be883dd360c66d545555a1a1f64f0f7aed3d6512d1b873fd6934b00e899","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-07T11:48:21Z","title_canon_sha256":"74d2071c83b13e4053da65c97733393fcff82806032d91f74f8b51e91d2a733c"},"schema_version":"1.0","source":{"id":"2207.03241","kind":"arxiv","version":2}},"canonical_sha256":"fe669217f1b9c6a785e72cfef4df3c872ec96554bff390c16a488753369f686c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe669217f1b9c6a785e72cfef4df3c872ec96554bff390c16a488753369f686c","first_computed_at":"2026-07-05T09:41:26.091093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:41:26.091093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8kunTmvkPa+hJ2u1NXdkjLw8c2aOQQXPgceHKk69mBDulpSmbgpc9DRZvQjb5q/5C/WWbuEn+r3Stv20O/pNAA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:41:26.091694Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.03241","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a559c22effd44c745dc07ddfa642ce305c487b472c44e9607ede94e600f37f15","sha256:3a4dbdbcea5e5d2c8d57c34c6540a9d9d4ce844b1a1eb5322334cf187a48b2e2"],"state_sha256":"9bb31c9a53c819609b62be94cc1b380f7ec8ea7eb6c043e82b36e160687b259e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"InZrU5iLKI462+9whLUsoMQP6Ip4bgpuqANp8a504fiI/taRIhhJ7eGFxkBi0ox3yfJwemzpXVzTcKJTE22LCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T01:26:38.469726Z","bundle_sha256":"0a29917d4a2694f7811eda4c6945b4572df26f934ce77a31eb1cb8734cf5f7bc"}}