{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VTUUJHWDR573C56EHVOL3CBQO2","short_pith_number":"pith:VTUUJHWD","canonical_record":{"source":{"id":"1802.01811","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2018-02-06T06:15:02Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"19ea45a2b476b16ce21e20ca4a29f63427e329734cd50e4364b87d7009411de2","abstract_canon_sha256":"7259497de3e290615abdd5f351917c4de2a278bacdfd4abb9865a1c8aa442f20"},"schema_version":"1.0"},"canonical_sha256":"ace9449ec38f7fb177c43d5cbd88307686c087952e019de1f6ba424c75b641cf","source":{"kind":"arxiv","id":"1802.01811","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01811","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01811v1","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01811","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"pith_short_12","alias_value":"VTUUJHWDR573","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VTUUJHWDR573C56E","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VTUUJHWD","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VTUUJHWDR573C56EHVOL3CBQO2","target":"record","payload":{"canonical_record":{"source":{"id":"1802.01811","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2018-02-06T06:15:02Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"19ea45a2b476b16ce21e20ca4a29f63427e329734cd50e4364b87d7009411de2","abstract_canon_sha256":"7259497de3e290615abdd5f351917c4de2a278bacdfd4abb9865a1c8aa442f20"},"schema_version":"1.0"},"canonical_sha256":"ace9449ec38f7fb177c43d5cbd88307686c087952e019de1f6ba424c75b641cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:49.901408Z","signature_b64":"VgmGc5c/jL7YIZtvBMUuMtLnOPyFuq4pb/J69JQgibSDPXCiZnEp6a4QHN6ZUAB/p+LG54BLQZporb9TZVgpBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ace9449ec38f7fb177c43d5cbd88307686c087952e019de1f6ba424c75b641cf","last_reissued_at":"2026-05-18T00:11:49.900770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:49.900770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.01811","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":"2026-05-18T00:11:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oCewetRNAdXsewFoJTUGV/1W+TKNE59qo0zAUmSmvmDTZjDvAgpeu6YtafN9hjqpL1PbiAjVmaJv16Xd7jyBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:21:03.568329Z"},"content_sha256":"73d3626b4bac16bf5bed45fcd6fa3f1bf7f556d8fef86b8e2f2a0690a71e5f9e","schema_version":"1.0","event_id":"sha256:73d3626b4bac16bf5bed45fcd6fa3f1bf7f556d8fef86b8e2f2a0690a71e5f9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VTUUJHWDR573C56EHVOL3CBQO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological light-trapping on a dislocation","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Fei-Fei Li, Hai-Xiao Wang, Jian-Hua Jiang, Ping Chen, Qun Lou, Rui-Xin Wu, Sajeev John, Yin Poo, Zhan Xiong","submitted_at":"2018-02-06T06:15:02Z","abstract_excerpt":"Topology has been revealed to play a fundamental role in physics in the past decades. Topological insulators have unconventional gapless edge states where disorder-induced back-scattering is suppressed. In photonics, such edge states lead to unidirectional waveguides which are useful for integrated photonic chips. Cavity modes, another type of fundamental components in photonic chips, however, are not protected by band topology because of their lower dimensions. Here we demonstrate that concurrent wavevector-space and real-space topology, dubbed as the \"dual-topology\", can lead to light-trappi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01811","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":"2026-05-18T00:11:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FZOSjook8Ge0W2JHXQCa5Yjq/B9uEli6fLGpw5n0olqaOI1YAYsK0lbAmiEpYxa6A8G8x8h2Sk6pLeYDWnWJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:21:03.569066Z"},"content_sha256":"63114c2f459a9388b2fb3584b22eb2fdd34c1cc514627d395db4496292f87271","schema_version":"1.0","event_id":"sha256:63114c2f459a9388b2fb3584b22eb2fdd34c1cc514627d395db4496292f87271"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTUUJHWDR573C56EHVOL3CBQO2/bundle.json","state_url":"https://pith.science/pith/VTUUJHWDR573C56EHVOL3CBQO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTUUJHWDR573C56EHVOL3CBQO2/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":"2026-06-01T01:21:03Z","links":{"resolver":"https://pith.science/pith/VTUUJHWDR573C56EHVOL3CBQO2","bundle":"https://pith.science/pith/VTUUJHWDR573C56EHVOL3CBQO2/bundle.json","state":"https://pith.science/pith/VTUUJHWDR573C56EHVOL3CBQO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTUUJHWDR573C56EHVOL3CBQO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VTUUJHWDR573C56EHVOL3CBQO2","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":"7259497de3e290615abdd5f351917c4de2a278bacdfd4abb9865a1c8aa442f20","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2018-02-06T06:15:02Z","title_canon_sha256":"19ea45a2b476b16ce21e20ca4a29f63427e329734cd50e4364b87d7009411de2"},"schema_version":"1.0","source":{"id":"1802.01811","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01811","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01811v1","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01811","created_at":"2026-05-18T00:11:49Z"},{"alias_kind":"pith_short_12","alias_value":"VTUUJHWDR573","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VTUUJHWDR573C56E","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VTUUJHWD","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:63114c2f459a9388b2fb3584b22eb2fdd34c1cc514627d395db4496292f87271","target":"graph","created_at":"2026-05-18T00:11:49Z","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":"Topology has been revealed to play a fundamental role in physics in the past decades. Topological insulators have unconventional gapless edge states where disorder-induced back-scattering is suppressed. In photonics, such edge states lead to unidirectional waveguides which are useful for integrated photonic chips. Cavity modes, another type of fundamental components in photonic chips, however, are not protected by band topology because of their lower dimensions. Here we demonstrate that concurrent wavevector-space and real-space topology, dubbed as the \"dual-topology\", can lead to light-trappi","authors_text":"Fei-Fei Li, Hai-Xiao Wang, Jian-Hua Jiang, Ping Chen, Qun Lou, Rui-Xin Wu, Sajeev John, Yin Poo, Zhan Xiong","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2018-02-06T06:15:02Z","title":"Topological light-trapping on a dislocation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01811","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":"sha256:73d3626b4bac16bf5bed45fcd6fa3f1bf7f556d8fef86b8e2f2a0690a71e5f9e","target":"record","created_at":"2026-05-18T00:11:49Z","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":"7259497de3e290615abdd5f351917c4de2a278bacdfd4abb9865a1c8aa442f20","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2018-02-06T06:15:02Z","title_canon_sha256":"19ea45a2b476b16ce21e20ca4a29f63427e329734cd50e4364b87d7009411de2"},"schema_version":"1.0","source":{"id":"1802.01811","kind":"arxiv","version":1}},"canonical_sha256":"ace9449ec38f7fb177c43d5cbd88307686c087952e019de1f6ba424c75b641cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ace9449ec38f7fb177c43d5cbd88307686c087952e019de1f6ba424c75b641cf","first_computed_at":"2026-05-18T00:11:49.900770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:49.900770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VgmGc5c/jL7YIZtvBMUuMtLnOPyFuq4pb/J69JQgibSDPXCiZnEp6a4QHN6ZUAB/p+LG54BLQZporb9TZVgpBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:49.901408Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.01811","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73d3626b4bac16bf5bed45fcd6fa3f1bf7f556d8fef86b8e2f2a0690a71e5f9e","sha256:63114c2f459a9388b2fb3584b22eb2fdd34c1cc514627d395db4496292f87271"],"state_sha256":"138eb89502172154786c22e2ad41fb72f76db7a115fb1508172969c032952715"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dNKa08nRBlq3JKfPtFic7wEhwKpJKR+fHzqpjLzq2X7itLGob9I7hopxKugJoZ+zmNpXuVl4UO8LV78tfFQDAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:21:03.572965Z","bundle_sha256":"a27d4f0572d61bad0ddbd612778bd5fbb912579e806ec04b13a8f9af73586bbb"}}