{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6I6W4MEH5NOYXJMYIUHYUSAB6P","short_pith_number":"pith:6I6W4MEH","canonical_record":{"source":{"id":"2312.11125","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2023-12-18T11:49:33Z","cross_cats_sorted":[],"title_canon_sha256":"c95b56e9567297727d966d29db2d4129d93f0771b4c2b1bbd8eacd358e976db5","abstract_canon_sha256":"671077ea6538ce0a64ad8ca71ce19552ea729caa3cc59629ea6a763ae37d35ba"},"schema_version":"1.0"},"canonical_sha256":"f23d6e3087eb5d8ba598450f8a4801f3d5b8a38cac0aff181b203ca18e872fc2","source":{"kind":"arxiv","id":"2312.11125","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.11125","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"2312.11125v2","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.11125","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"6I6W4MEH5NOY","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_16","alias_value":"6I6W4MEH5NOYXJMY","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_8","alias_value":"6I6W4MEH","created_at":"2026-07-05T07:28:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6I6W4MEH5NOYXJMYIUHYUSAB6P","target":"record","payload":{"canonical_record":{"source":{"id":"2312.11125","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2023-12-18T11:49:33Z","cross_cats_sorted":[],"title_canon_sha256":"c95b56e9567297727d966d29db2d4129d93f0771b4c2b1bbd8eacd358e976db5","abstract_canon_sha256":"671077ea6538ce0a64ad8ca71ce19552ea729caa3cc59629ea6a763ae37d35ba"},"schema_version":"1.0"},"canonical_sha256":"f23d6e3087eb5d8ba598450f8a4801f3d5b8a38cac0aff181b203ca18e872fc2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:28:47.547638Z","signature_b64":"ezLQIBFNYb42ptedudCbuu/YqWoVyQTAUpB2l10uuCAmkfdOQiapy3S9TS9RBe3Q/1PRjJ/RZ2+jMPmOwFkNDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f23d6e3087eb5d8ba598450f8a4801f3d5b8a38cac0aff181b203ca18e872fc2","last_reissued_at":"2026-07-05T07:28:47.547178Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:28:47.547178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.11125","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":"2026-07-05T07:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBe9acS4SDB9OVsNsm+eTn8xswngXdVF1Pg0TBiyzkjyz1Aere184cQRdJsS3pcT9zKdh3UXg4JTQVIw36IRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:49:28.766570Z"},"content_sha256":"f31f864db86e89f0e03f2f42f752c1e1cd2df405dd9c9efc73516f03068e041f","schema_version":"1.0","event_id":"sha256:f31f864db86e89f0e03f2f42f752c1e1cd2df405dd9c9efc73516f03068e041f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6I6W4MEH5NOYXJMYIUHYUSAB6P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Low-Complexity Range Estimation with Adjusted Affine Frequency Division Multiplexing Waveform","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Haoran Yin, Jiajun Zhu, Jinming Du, Xizhang Wei, Yanqun Tang, Yuqinng Liu, Zhengpeng Wang","submitted_at":"2023-12-18T11:49:33Z","abstract_excerpt":"Affine frequency division multiplexing (AFDM) is a recently proposed communication waveform for time-varying channel scenarios. As a chirp-based multicarrier modulation technique it can not only satisfy the needs of multiple scenarios in future mobile communication networks but also achieve good performance in radar sensing by adjusting the built-in parameters, making it a promising air interface waveform in integrated sensing and communication (ISAC) applications. In this paper, we investigate an AFDM-based radar system and analyze the radar ambiguity function of AFDM with different built-in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.11125","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/2312.11125/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":"2026-07-05T07:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jAKZZb4ElR8ysnH7xQs9ypyrw4g+B6aDD6sWYTQ+YEn0FwCPmJ3YnQ5Qza3oe+WgVSyZ30thWuSOlmGIT/ifCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:49:28.767059Z"},"content_sha256":"0959005cfafb1d5727c384f4d4ee68509d0c1345e7b6242eb53929ba2030332a","schema_version":"1.0","event_id":"sha256:0959005cfafb1d5727c384f4d4ee68509d0c1345e7b6242eb53929ba2030332a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/bundle.json","state_url":"https://pith.science/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/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":"2026-08-17T03:49:28Z","links":{"resolver":"https://pith.science/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P","bundle":"https://pith.science/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/bundle.json","state":"https://pith.science/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6I6W4MEH5NOYXJMYIUHYUSAB6P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6I6W4MEH5NOYXJMYIUHYUSAB6P","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":"671077ea6538ce0a64ad8ca71ce19552ea729caa3cc59629ea6a763ae37d35ba","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2023-12-18T11:49:33Z","title_canon_sha256":"c95b56e9567297727d966d29db2d4129d93f0771b4c2b1bbd8eacd358e976db5"},"schema_version":"1.0","source":{"id":"2312.11125","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.11125","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"2312.11125v2","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.11125","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"6I6W4MEH5NOY","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_16","alias_value":"6I6W4MEH5NOYXJMY","created_at":"2026-07-05T07:28:47Z"},{"alias_kind":"pith_short_8","alias_value":"6I6W4MEH","created_at":"2026-07-05T07:28:47Z"}],"graph_snapshots":[{"event_id":"sha256:0959005cfafb1d5727c384f4d4ee68509d0c1345e7b6242eb53929ba2030332a","target":"graph","created_at":"2026-07-05T07:28:47Z","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/2312.11125/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Affine frequency division multiplexing (AFDM) is a recently proposed communication waveform for time-varying channel scenarios. As a chirp-based multicarrier modulation technique it can not only satisfy the needs of multiple scenarios in future mobile communication networks but also achieve good performance in radar sensing by adjusting the built-in parameters, making it a promising air interface waveform in integrated sensing and communication (ISAC) applications. In this paper, we investigate an AFDM-based radar system and analyze the radar ambiguity function of AFDM with different built-in ","authors_text":"Haoran Yin, Jiajun Zhu, Jinming Du, Xizhang Wei, Yanqun Tang, Yuqinng Liu, Zhengpeng Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2023-12-18T11:49:33Z","title":"A Low-Complexity Range Estimation with Adjusted Affine Frequency Division Multiplexing Waveform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.11125","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:f31f864db86e89f0e03f2f42f752c1e1cd2df405dd9c9efc73516f03068e041f","target":"record","created_at":"2026-07-05T07:28:47Z","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":"671077ea6538ce0a64ad8ca71ce19552ea729caa3cc59629ea6a763ae37d35ba","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2023-12-18T11:49:33Z","title_canon_sha256":"c95b56e9567297727d966d29db2d4129d93f0771b4c2b1bbd8eacd358e976db5"},"schema_version":"1.0","source":{"id":"2312.11125","kind":"arxiv","version":2}},"canonical_sha256":"f23d6e3087eb5d8ba598450f8a4801f3d5b8a38cac0aff181b203ca18e872fc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f23d6e3087eb5d8ba598450f8a4801f3d5b8a38cac0aff181b203ca18e872fc2","first_computed_at":"2026-07-05T07:28:47.547178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:28:47.547178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ezLQIBFNYb42ptedudCbuu/YqWoVyQTAUpB2l10uuCAmkfdOQiapy3S9TS9RBe3Q/1PRjJ/RZ2+jMPmOwFkNDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:28:47.547638Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.11125","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f31f864db86e89f0e03f2f42f752c1e1cd2df405dd9c9efc73516f03068e041f","sha256:0959005cfafb1d5727c384f4d4ee68509d0c1345e7b6242eb53929ba2030332a"],"state_sha256":"f2534eeda8ce289fd2628b76cc18d1c8ed043974fb038df28026931b83979deb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g63t6AAL96kr2d36TJOGhCsHhJweTurZ6tR5frvRtUhqi2r7oq1hB7r6FqDhVN9yDYamCb6hbNNi6lzqfbEwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:49:28.771520Z","bundle_sha256":"5efe665139ce43cf83f28e789735801f1acd536f0b707aa8033ab458a3b3c1a7"}}