{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MCXKRAU2PFOV5YVDZAPGEAYZXP","short_pith_number":"pith:MCXKRAU2","canonical_record":{"source":{"id":"2605.19368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-05-19T05:04:27Z","cross_cats_sorted":[],"title_canon_sha256":"b6ce7c88b717baefdb289b858fa40f16c1ea6e1d227a2dfad2605a1b0d06c6b9","abstract_canon_sha256":"6e1c0b6af89e10817c78f4a6619491daa3a3ec58a8a2fc2754b03303bd4e163c"},"schema_version":"1.0"},"canonical_sha256":"60aea8829a795d5ee2a3c81e620319bbdd3a1798feff87c1a3adaf2913b67cde","source":{"kind":"arxiv","id":"2605.19368","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19368","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19368v1","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19368","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"MCXKRAU2PFOV","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_16","alias_value":"MCXKRAU2PFOV5YVD","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_8","alias_value":"MCXKRAU2","created_at":"2026-05-20T01:05:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MCXKRAU2PFOV5YVDZAPGEAYZXP","target":"record","payload":{"canonical_record":{"source":{"id":"2605.19368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-05-19T05:04:27Z","cross_cats_sorted":[],"title_canon_sha256":"b6ce7c88b717baefdb289b858fa40f16c1ea6e1d227a2dfad2605a1b0d06c6b9","abstract_canon_sha256":"6e1c0b6af89e10817c78f4a6619491daa3a3ec58a8a2fc2754b03303bd4e163c"},"schema_version":"1.0"},"canonical_sha256":"60aea8829a795d5ee2a3c81e620319bbdd3a1798feff87c1a3adaf2913b67cde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:05:41.735217Z","signature_b64":"CtFlN3hI5lAdfo5vqrvlU2wOdjTxOWy2AlKSqrBWSxvv2Aeq7PsrWrk8SjUrBCpSntboa1+d+P2Q7Du/qdajDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60aea8829a795d5ee2a3c81e620319bbdd3a1798feff87c1a3adaf2913b67cde","last_reissued_at":"2026-05-20T01:05:41.734645Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:05:41.734645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.19368","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":"2026-05-20T01:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilAHtnZ/4zuI8Jf93ZE0lFdSoXAM2HSj+h+217WGKlPOaUW9LZFGVyAdOITZeddUhhtfa1IaUfME8bz433brDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:32:23.230732Z"},"content_sha256":"77acceedc6e384e093212d520e96d7f468864114273ffb3a7d6767d58b368cab","schema_version":"1.0","event_id":"sha256:77acceedc6e384e093212d520e96d7f468864114273ffb3a7d6767d58b368cab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MCXKRAU2PFOV5YVDZAPGEAYZXP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microwave photonic radar jamming and target detection integration based on advanced waveform editing, forwarding, and self-squaring reception","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Fangyi Yang, Hang Yang, Taixia Shi, Xin Zhong, Yang Chen","submitted_at":"2026-05-19T05:04:27Z","abstract_excerpt":"The integrated radar and jamming (IRAJ) system provides a promising solution that meets the demands for miniaturization, integration, and multifunctionality in complex warfare environments. However, traditional electronic-domain IRAJ systems face limitations in operating frequency and bandwidth. In this paper, we propose and experimentally demonstrate a microwave photonic IRAJ system based on pseudo-random binary phase modulation and segmented frequency shifting. By modulating pseudo-random binary coding sequence and frequency-shifting signals onto linearly frequency-modulated (LFM) pulses, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19368","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/2605.19368/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":"2026-05-20T01:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CGL+oquALCA215kcVeB883b+lEuau5+5LfIgB4S0/72VHrAQliCTL8QMAUiqWywpRF0CmnRAAS68eIpyHXKSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:32:23.231115Z"},"content_sha256":"9883c1d680a8db02b5b4beb6f00766702b917a42b19bb3ba01083b9f5bdb4e7e","schema_version":"1.0","event_id":"sha256:9883c1d680a8db02b5b4beb6f00766702b917a42b19bb3ba01083b9f5bdb4e7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/bundle.json","state_url":"https://pith.science/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/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":"2026-05-28T00:32:23Z","links":{"resolver":"https://pith.science/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP","bundle":"https://pith.science/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/bundle.json","state":"https://pith.science/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MCXKRAU2PFOV5YVDZAPGEAYZXP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MCXKRAU2PFOV5YVDZAPGEAYZXP","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":"6e1c0b6af89e10817c78f4a6619491daa3a3ec58a8a2fc2754b03303bd4e163c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-05-19T05:04:27Z","title_canon_sha256":"b6ce7c88b717baefdb289b858fa40f16c1ea6e1d227a2dfad2605a1b0d06c6b9"},"schema_version":"1.0","source":{"id":"2605.19368","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19368","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19368v1","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19368","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"MCXKRAU2PFOV","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_16","alias_value":"MCXKRAU2PFOV5YVD","created_at":"2026-05-20T01:05:41Z"},{"alias_kind":"pith_short_8","alias_value":"MCXKRAU2","created_at":"2026-05-20T01:05:41Z"}],"graph_snapshots":[{"event_id":"sha256:9883c1d680a8db02b5b4beb6f00766702b917a42b19bb3ba01083b9f5bdb4e7e","target":"graph","created_at":"2026-05-20T01:05:41Z","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/2605.19368/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The integrated radar and jamming (IRAJ) system provides a promising solution that meets the demands for miniaturization, integration, and multifunctionality in complex warfare environments. However, traditional electronic-domain IRAJ systems face limitations in operating frequency and bandwidth. In this paper, we propose and experimentally demonstrate a microwave photonic IRAJ system based on pseudo-random binary phase modulation and segmented frequency shifting. By modulating pseudo-random binary coding sequence and frequency-shifting signals onto linearly frequency-modulated (LFM) pulses, an","authors_text":"Fangyi Yang, Hang Yang, Taixia Shi, Xin Zhong, Yang Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-05-19T05:04:27Z","title":"Microwave photonic radar jamming and target detection integration based on advanced waveform editing, forwarding, and self-squaring reception"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19368","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":"sha256:77acceedc6e384e093212d520e96d7f468864114273ffb3a7d6767d58b368cab","target":"record","created_at":"2026-05-20T01:05:41Z","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":"6e1c0b6af89e10817c78f4a6619491daa3a3ec58a8a2fc2754b03303bd4e163c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-05-19T05:04:27Z","title_canon_sha256":"b6ce7c88b717baefdb289b858fa40f16c1ea6e1d227a2dfad2605a1b0d06c6b9"},"schema_version":"1.0","source":{"id":"2605.19368","kind":"arxiv","version":1}},"canonical_sha256":"60aea8829a795d5ee2a3c81e620319bbdd3a1798feff87c1a3adaf2913b67cde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60aea8829a795d5ee2a3c81e620319bbdd3a1798feff87c1a3adaf2913b67cde","first_computed_at":"2026-05-20T01:05:41.734645Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:05:41.734645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CtFlN3hI5lAdfo5vqrvlU2wOdjTxOWy2AlKSqrBWSxvv2Aeq7PsrWrk8SjUrBCpSntboa1+d+P2Q7Du/qdajDA==","signature_status":"signed_v1","signed_at":"2026-05-20T01:05:41.735217Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19368","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77acceedc6e384e093212d520e96d7f468864114273ffb3a7d6767d58b368cab","sha256:9883c1d680a8db02b5b4beb6f00766702b917a42b19bb3ba01083b9f5bdb4e7e"],"state_sha256":"ad719a82b38e94c2f18ecf1aba59d62ec421fe6f80e5242942fb604346d1e2ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WD4qMx2JE0AM+kyTd18tLaUvSTYr/rSVMqZlpM99pplA7YoM9K4XU9AO8rtk7nMOPLs63Vf58Q/fBt14SaKGCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:32:23.233190Z","bundle_sha256":"f4bd8195cda149a8d2373a16ce931b74fa461563eab1559e22774ea6d3ef9c3d"}}