{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ONUCZAGTCBZAFZRPBMWMXRJVGH","short_pith_number":"pith:ONUCZAGT","canonical_record":{"source":{"id":"2512.07494","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-12-08T12:21:42Z","cross_cats_sorted":[],"title_canon_sha256":"795f105da9a9776193f84fd671bb1cb60d2f2979132005c0f4fed1fc224d4705","abstract_canon_sha256":"3e22a34760e91ddec788e42d34886c4c7a5fc2a46fb7bccd793f48b413bb5339"},"schema_version":"1.0"},"canonical_sha256":"73682c80d3107202e62f0b2ccbc53531f6218c089db17f711161a68b34e316e4","source":{"kind":"arxiv","id":"2512.07494","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.07494","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"2512.07494v2","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.07494","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"ONUCZAGTCBZA","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_16","alias_value":"ONUCZAGTCBZAFZRP","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_8","alias_value":"ONUCZAGT","created_at":"2026-05-26T02:04:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ONUCZAGTCBZAFZRPBMWMXRJVGH","target":"record","payload":{"canonical_record":{"source":{"id":"2512.07494","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-12-08T12:21:42Z","cross_cats_sorted":[],"title_canon_sha256":"795f105da9a9776193f84fd671bb1cb60d2f2979132005c0f4fed1fc224d4705","abstract_canon_sha256":"3e22a34760e91ddec788e42d34886c4c7a5fc2a46fb7bccd793f48b413bb5339"},"schema_version":"1.0"},"canonical_sha256":"73682c80d3107202e62f0b2ccbc53531f6218c089db17f711161a68b34e316e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:00.775426Z","signature_b64":"p+LWeFxhkvEJvyjeaoQpVNLh/wd9jrCSq/EAR0zkte0Htxdg16TuhxvZlwokk5zjkkiIFkfzI72rqR1VY8v5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73682c80d3107202e62f0b2ccbc53531f6218c089db17f711161a68b34e316e4","last_reissued_at":"2026-05-26T02:04:00.774499Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:00.774499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.07494","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":"2026-05-26T02:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZAQBiHBODUVsGb6MoRPlxKrZnKs9rtUARTy+GXcxnVfcgmizkzebUL03hqaJVQRVDiW34OJb/Ttckw0GiZrYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:10:46.197584Z"},"content_sha256":"43de595e462ea40ce36e273ec8766da44d58c7beaa8a18af85cb86ad275e7a59","schema_version":"1.0","event_id":"sha256:43de595e462ea40ce36e273ec8766da44d58c7beaa8a18af85cb86ad275e7a59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ONUCZAGTCBZAFZRPBMWMXRJVGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Merging the characteristics of an exceptional point and a quasi-bound state in the continuum in nanophotonic cavities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Jun He, Lin Ma, Xiao-Jing Du, Xi-Hua Guan, Yue You, Zhong-Jian Yang","submitted_at":"2025-12-08T12:21:42Z","abstract_excerpt":"In conventional eigenvalue analyses of non Hermitian two mode systems, mode coupling cannot produce the simultaneous occurrence of an exceptional point (EP) and a quasi bound state in the continuum (QBIC) at the same spectral position. This work shows that this limitation originates from the eigenvalue framework itself. By introducing an excitation phase degree of freedom, the interference between radiation channels can be reshaped without modifying the intrinsic eigenmodes of the system, thereby overcoming this constraint. Based on coupled mode theory, we demonstrate that the excitation phase"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.07494","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/2512.07494/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":"2026-05-26T02:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"68KP7S9iOFkx27YgC8Kp78RRoOs8y5KMJ6bTgbwkXZs9OnZ3hOoqcEq5MOmDMBqWWdOC8CNiXzMi7Ys18H//Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:10:46.198135Z"},"content_sha256":"7494b225f2a4df0fe0591f2df52b2c0ccc93f52b16436479a2ba869a85bb5b56","schema_version":"1.0","event_id":"sha256:7494b225f2a4df0fe0591f2df52b2c0ccc93f52b16436479a2ba869a85bb5b56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/bundle.json","state_url":"https://pith.science/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/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":"2026-08-10T19:10:46Z","links":{"resolver":"https://pith.science/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH","bundle":"https://pith.science/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/bundle.json","state":"https://pith.science/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONUCZAGTCBZAFZRPBMWMXRJVGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ONUCZAGTCBZAFZRPBMWMXRJVGH","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":"3e22a34760e91ddec788e42d34886c4c7a5fc2a46fb7bccd793f48b413bb5339","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-12-08T12:21:42Z","title_canon_sha256":"795f105da9a9776193f84fd671bb1cb60d2f2979132005c0f4fed1fc224d4705"},"schema_version":"1.0","source":{"id":"2512.07494","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.07494","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"2512.07494v2","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.07494","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"ONUCZAGTCBZA","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_16","alias_value":"ONUCZAGTCBZAFZRP","created_at":"2026-05-26T02:04:00Z"},{"alias_kind":"pith_short_8","alias_value":"ONUCZAGT","created_at":"2026-05-26T02:04:00Z"}],"graph_snapshots":[{"event_id":"sha256:7494b225f2a4df0fe0591f2df52b2c0ccc93f52b16436479a2ba869a85bb5b56","target":"graph","created_at":"2026-05-26T02:04:00Z","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/2512.07494/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In conventional eigenvalue analyses of non Hermitian two mode systems, mode coupling cannot produce the simultaneous occurrence of an exceptional point (EP) and a quasi bound state in the continuum (QBIC) at the same spectral position. This work shows that this limitation originates from the eigenvalue framework itself. By introducing an excitation phase degree of freedom, the interference between radiation channels can be reshaped without modifying the intrinsic eigenmodes of the system, thereby overcoming this constraint. Based on coupled mode theory, we demonstrate that the excitation phase","authors_text":"Jun He, Lin Ma, Xiao-Jing Du, Xi-Hua Guan, Yue You, Zhong-Jian Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-12-08T12:21:42Z","title":"Merging the characteristics of an exceptional point and a quasi-bound state in the continuum in nanophotonic cavities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.07494","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":"sha256:43de595e462ea40ce36e273ec8766da44d58c7beaa8a18af85cb86ad275e7a59","target":"record","created_at":"2026-05-26T02:04:00Z","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":"3e22a34760e91ddec788e42d34886c4c7a5fc2a46fb7bccd793f48b413bb5339","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-12-08T12:21:42Z","title_canon_sha256":"795f105da9a9776193f84fd671bb1cb60d2f2979132005c0f4fed1fc224d4705"},"schema_version":"1.0","source":{"id":"2512.07494","kind":"arxiv","version":2}},"canonical_sha256":"73682c80d3107202e62f0b2ccbc53531f6218c089db17f711161a68b34e316e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73682c80d3107202e62f0b2ccbc53531f6218c089db17f711161a68b34e316e4","first_computed_at":"2026-05-26T02:04:00.774499Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:00.774499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p+LWeFxhkvEJvyjeaoQpVNLh/wd9jrCSq/EAR0zkte0Htxdg16TuhxvZlwokk5zjkkiIFkfzI72rqR1VY8v5Cw==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:00.775426Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.07494","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43de595e462ea40ce36e273ec8766da44d58c7beaa8a18af85cb86ad275e7a59","sha256:7494b225f2a4df0fe0591f2df52b2c0ccc93f52b16436479a2ba869a85bb5b56"],"state_sha256":"9eda26f038f533dcfbae7ba6c8e825c5724243c3775a226c689eaa9826492de8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zu597ZIFX7djJQ8KwOFeIDvjRyi2sr8EPLFsSS4mrSLQbsasrwsof3Jt2CQbH6aSAuptbbI4dTyib3AScAegBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:10:46.202223Z","bundle_sha256":"137e74e0d54d062d15275ce6195d2ce33eab7a60c4988eaa82051d599fe44efd"}}