{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2DAE7Z7FNRHDJPP7YQA2ZFJ2YT","short_pith_number":"pith:2DAE7Z7F","canonical_record":{"source":{"id":"1803.10437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-28T07:31:39Z","cross_cats_sorted":[],"title_canon_sha256":"d0ee58e17117a760be8358acfc9afcd7ff1529aebcacf238fac546b0e42dbf4f","abstract_canon_sha256":"7a4645a486c20d63d0698d0973a3fa5f1349a2a0bcd77be163d6a2218124ce9e"},"schema_version":"1.0"},"canonical_sha256":"d0c04fe7e56c4e34bdffc401ac953ac4cf2de6a64cd0b987de5f45881a6766ac","source":{"kind":"arxiv","id":"1803.10437","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10437","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10437v1","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10437","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"pith_short_12","alias_value":"2DAE7Z7FNRHD","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2DAE7Z7FNRHDJPP7","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2DAE7Z7F","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2DAE7Z7FNRHDJPP7YQA2ZFJ2YT","target":"record","payload":{"canonical_record":{"source":{"id":"1803.10437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-28T07:31:39Z","cross_cats_sorted":[],"title_canon_sha256":"d0ee58e17117a760be8358acfc9afcd7ff1529aebcacf238fac546b0e42dbf4f","abstract_canon_sha256":"7a4645a486c20d63d0698d0973a3fa5f1349a2a0bcd77be163d6a2218124ce9e"},"schema_version":"1.0"},"canonical_sha256":"d0c04fe7e56c4e34bdffc401ac953ac4cf2de6a64cd0b987de5f45881a6766ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:10.963905Z","signature_b64":"DUw6AmbPPONOti8VzwXAhNtMhpu9ejCfQ51NEMYcNQXd976BKnEXDVbuEdGyPqhz+gb1eJlfd+/TGH2iJdSVCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0c04fe7e56c4e34bdffc401ac953ac4cf2de6a64cd0b987de5f45881a6766ac","last_reissued_at":"2026-05-18T00:19:10.963333Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:10.963333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.10437","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":"2026-05-18T00:19:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWCgb+7Ornd6oT1zbgwJE/rugyBDM7R+HnuUAIVRj7Dt3UgQQ4vEnOw3sRKXGXTqwjFumGPA73r9gMjaOP7sBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:25:39.023507Z"},"content_sha256":"c020e4826bee3ec9608ef53755929235d7eb543a780646db1e1c24dda6ba2c50","schema_version":"1.0","event_id":"sha256:c020e4826bee3ec9608ef53755929235d7eb543a780646db1e1c24dda6ba2c50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2DAE7Z7FNRHDJPP7YQA2ZFJ2YT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced response of non-Hermitian photonic systems near exceptional points","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Satoshi Sunada","submitted_at":"2018-03-28T07:31:39Z","abstract_excerpt":"This paper theoretically and numerically studies the response characteristics of non-Hermitian resonant photonic systems operating near an exceptional point (EP), where two resonant eigenmodes coalesce. It is shown that a system near an EP can exhibit a non-Lorentzian frequency response, whose line shape and intensity strongly depend on the modal decay rate and coupling parameters for the input waves, unlike a normal Lorentzian response around a single resonance. In particular, it is shown that the peak intensity of the frequency response is inversely proportional to the fourth power of the mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10437","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":""},"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":"2026-05-18T00:19:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/SCGttSaAT9icK3UKwnAysTv9aiHbuRTTdUrS113uV+tHqNCK10Laz+xWLo5+jagtyh0yCCB7UJxRxr68iGhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:25:39.024127Z"},"content_sha256":"afc47198aa74aa0c01ebbb50e3e97977d3e80028c6c3cdf6e311f6f8adfcc70b","schema_version":"1.0","event_id":"sha256:afc47198aa74aa0c01ebbb50e3e97977d3e80028c6c3cdf6e311f6f8adfcc70b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/bundle.json","state_url":"https://pith.science/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/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":"2026-05-26T00:25:39Z","links":{"resolver":"https://pith.science/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT","bundle":"https://pith.science/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/bundle.json","state":"https://pith.science/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2DAE7Z7FNRHDJPP7YQA2ZFJ2YT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2DAE7Z7FNRHDJPP7YQA2ZFJ2YT","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":"7a4645a486c20d63d0698d0973a3fa5f1349a2a0bcd77be163d6a2218124ce9e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-28T07:31:39Z","title_canon_sha256":"d0ee58e17117a760be8358acfc9afcd7ff1529aebcacf238fac546b0e42dbf4f"},"schema_version":"1.0","source":{"id":"1803.10437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10437","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10437v1","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10437","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"pith_short_12","alias_value":"2DAE7Z7FNRHD","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2DAE7Z7FNRHDJPP7","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2DAE7Z7F","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:afc47198aa74aa0c01ebbb50e3e97977d3e80028c6c3cdf6e311f6f8adfcc70b","target":"graph","created_at":"2026-05-18T00:19:10Z","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"},"paper":{"abstract_excerpt":"This paper theoretically and numerically studies the response characteristics of non-Hermitian resonant photonic systems operating near an exceptional point (EP), where two resonant eigenmodes coalesce. It is shown that a system near an EP can exhibit a non-Lorentzian frequency response, whose line shape and intensity strongly depend on the modal decay rate and coupling parameters for the input waves, unlike a normal Lorentzian response around a single resonance. In particular, it is shown that the peak intensity of the frequency response is inversely proportional to the fourth power of the mo","authors_text":"Satoshi Sunada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-28T07:31:39Z","title":"Enhanced response of non-Hermitian photonic systems near exceptional points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10437","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:c020e4826bee3ec9608ef53755929235d7eb543a780646db1e1c24dda6ba2c50","target":"record","created_at":"2026-05-18T00:19:10Z","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":"7a4645a486c20d63d0698d0973a3fa5f1349a2a0bcd77be163d6a2218124ce9e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-28T07:31:39Z","title_canon_sha256":"d0ee58e17117a760be8358acfc9afcd7ff1529aebcacf238fac546b0e42dbf4f"},"schema_version":"1.0","source":{"id":"1803.10437","kind":"arxiv","version":1}},"canonical_sha256":"d0c04fe7e56c4e34bdffc401ac953ac4cf2de6a64cd0b987de5f45881a6766ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0c04fe7e56c4e34bdffc401ac953ac4cf2de6a64cd0b987de5f45881a6766ac","first_computed_at":"2026-05-18T00:19:10.963333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:10.963333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DUw6AmbPPONOti8VzwXAhNtMhpu9ejCfQ51NEMYcNQXd976BKnEXDVbuEdGyPqhz+gb1eJlfd+/TGH2iJdSVCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:10.963905Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.10437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c020e4826bee3ec9608ef53755929235d7eb543a780646db1e1c24dda6ba2c50","sha256:afc47198aa74aa0c01ebbb50e3e97977d3e80028c6c3cdf6e311f6f8adfcc70b"],"state_sha256":"5b647195f98a7e70f29e52e2a5bd038baf33cc6d9a929b844ac18312f33ef90e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eySKCW8slamM2Gx95YFeeptHCjVDwQFRdf4R7bbA0Mkx5ezCSdqoEdpZ0PXjjsXBsawSJxU5B85NJqLkZKd5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:25:39.027706Z","bundle_sha256":"8b19eccfbac40bac28945834807f58ce9f871e5af9d79fed6e115c53ac443862"}}