{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:D7MKOB33GERLX44WJQ6R6VUVZM","short_pith_number":"pith:D7MKOB33","canonical_record":{"source":{"id":"1305.5917","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-05-25T13:09:01Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1180f5512e0235c2f72b629b509ebd25e156b8bd796642d3a45ddff21f17a6f6","abstract_canon_sha256":"edc42df233d2cb3c7155d5d5f418bd54a33f83e178562923f1b6cc4665db27af"},"schema_version":"1.0"},"canonical_sha256":"1fd8a7077b3122bbf3964c3d1f5695cb259c4702bb6b858d58cad23c146c1c12","source":{"kind":"arxiv","id":"1305.5917","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5917","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5917v1","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5917","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"pith_short_12","alias_value":"D7MKOB33GERL","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"D7MKOB33GERLX44W","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"D7MKOB33","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:D7MKOB33GERLX44WJQ6R6VUVZM","target":"record","payload":{"canonical_record":{"source":{"id":"1305.5917","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-05-25T13:09:01Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1180f5512e0235c2f72b629b509ebd25e156b8bd796642d3a45ddff21f17a6f6","abstract_canon_sha256":"edc42df233d2cb3c7155d5d5f418bd54a33f83e178562923f1b6cc4665db27af"},"schema_version":"1.0"},"canonical_sha256":"1fd8a7077b3122bbf3964c3d1f5695cb259c4702bb6b858d58cad23c146c1c12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:46.548620Z","signature_b64":"3EWcl1ZcXQOgMbaqmTX4Dsjyh/7eI28Cg/Q/95Uo6ExW5kLBKlsBlkifjgoJ99ejRvUNI3tZUzg6yZGiX212Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fd8a7077b3122bbf3964c3d1f5695cb259c4702bb6b858d58cad23c146c1c12","last_reissued_at":"2026-05-18T01:49:46.547856Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:46.547856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.5917","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":"2026-05-18T01:49:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4/x63SKBAPYrEhzI4rQ1yX4EOrVL14agf/+xCdLWFS2VugZXG2XSVhIjt2NyMCvsUJ8B9EvFZldciZ50x5IQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:09:44.783101Z"},"content_sha256":"e9d8dc470b919773f865e6cbb8dfe8cf6727b86b4c17aa602cc23552ff7b11af","schema_version":"1.0","event_id":"sha256:e9d8dc470b919773f865e6cbb8dfe8cf6727b86b4c17aa602cc23552ff7b11af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:D7MKOB33GERLX44WJQ6R6VUVZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multimode Coupling by Boundary Wave Scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Alexander Eberspacher, Brandon Redding, Hui Cao, Jan Wiersig, Li Ge, Qinghai Song","submitted_at":"2013-05-25T13:09:01Z","abstract_excerpt":"We show that coupling among multiple resonances can be conveniently introduced and controlled by boundary wave scattering. We demonstrate this principle in optical microcavities of quasi-circular shape, where the couplings of multiple modes are determined by the scattering from different harmonic boundary deformations. We analyze these couplings using a perturbation theory, which gives an intuitive understanding of the first-order and higher-order scattering processes. Different scattering paths between two boundary waves can either enhance or reduce their coupling strength. The effect of cont"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5917","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":"2026-05-18T01:49:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8abG2vfFOVamqvXKoWFfym1p8neJiOhqv38diFKTKq6Qeq+/REIdTJLOEBxvuMzYjlWk5GCX/bRhJ+z7k/ILAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:09:44.783467Z"},"content_sha256":"f9a260a075c38e69f86c02342a968c18cb6ece3eb90d6d102ace58996cba171b","schema_version":"1.0","event_id":"sha256:f9a260a075c38e69f86c02342a968c18cb6ece3eb90d6d102ace58996cba171b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7MKOB33GERLX44WJQ6R6VUVZM/bundle.json","state_url":"https://pith.science/pith/D7MKOB33GERLX44WJQ6R6VUVZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7MKOB33GERLX44WJQ6R6VUVZM/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":"2026-06-02T00:09:44Z","links":{"resolver":"https://pith.science/pith/D7MKOB33GERLX44WJQ6R6VUVZM","bundle":"https://pith.science/pith/D7MKOB33GERLX44WJQ6R6VUVZM/bundle.json","state":"https://pith.science/pith/D7MKOB33GERLX44WJQ6R6VUVZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7MKOB33GERLX44WJQ6R6VUVZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:D7MKOB33GERLX44WJQ6R6VUVZM","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":"edc42df233d2cb3c7155d5d5f418bd54a33f83e178562923f1b6cc4665db27af","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-05-25T13:09:01Z","title_canon_sha256":"1180f5512e0235c2f72b629b509ebd25e156b8bd796642d3a45ddff21f17a6f6"},"schema_version":"1.0","source":{"id":"1305.5917","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5917","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5917v1","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5917","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"pith_short_12","alias_value":"D7MKOB33GERL","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"D7MKOB33GERLX44W","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"D7MKOB33","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:f9a260a075c38e69f86c02342a968c18cb6ece3eb90d6d102ace58996cba171b","target":"graph","created_at":"2026-05-18T01:49:46Z","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":"We show that coupling among multiple resonances can be conveniently introduced and controlled by boundary wave scattering. We demonstrate this principle in optical microcavities of quasi-circular shape, where the couplings of multiple modes are determined by the scattering from different harmonic boundary deformations. We analyze these couplings using a perturbation theory, which gives an intuitive understanding of the first-order and higher-order scattering processes. Different scattering paths between two boundary waves can either enhance or reduce their coupling strength. The effect of cont","authors_text":"Alexander Eberspacher, Brandon Redding, Hui Cao, Jan Wiersig, Li Ge, Qinghai Song","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-05-25T13:09:01Z","title":"Multimode Coupling by Boundary Wave Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5917","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:e9d8dc470b919773f865e6cbb8dfe8cf6727b86b4c17aa602cc23552ff7b11af","target":"record","created_at":"2026-05-18T01:49:46Z","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":"edc42df233d2cb3c7155d5d5f418bd54a33f83e178562923f1b6cc4665db27af","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-05-25T13:09:01Z","title_canon_sha256":"1180f5512e0235c2f72b629b509ebd25e156b8bd796642d3a45ddff21f17a6f6"},"schema_version":"1.0","source":{"id":"1305.5917","kind":"arxiv","version":1}},"canonical_sha256":"1fd8a7077b3122bbf3964c3d1f5695cb259c4702bb6b858d58cad23c146c1c12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fd8a7077b3122bbf3964c3d1f5695cb259c4702bb6b858d58cad23c146c1c12","first_computed_at":"2026-05-18T01:49:46.547856Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:46.547856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3EWcl1ZcXQOgMbaqmTX4Dsjyh/7eI28Cg/Q/95Uo6ExW5kLBKlsBlkifjgoJ99ejRvUNI3tZUzg6yZGiX212Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:46.548620Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.5917","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9d8dc470b919773f865e6cbb8dfe8cf6727b86b4c17aa602cc23552ff7b11af","sha256:f9a260a075c38e69f86c02342a968c18cb6ece3eb90d6d102ace58996cba171b"],"state_sha256":"fcc83c815a465db6cf600344dd1ab1cf4e47dc9c333a5fbc3360523fe08f2e4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m55YvBNn/zWkct5QfYUKJaxlJ281SPdt8B9R2UlNxd8SCKXkbRLSCUMi7IelAilIErUW68w6cVrujkGpY2SdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:09:44.785623Z","bundle_sha256":"e9570ac4698d06eb4adcafcb92d5939492101cf8f0f8f441e5742df83289bd6d"}}