{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6OWQ7LNJMMQS3Z5ZBSQCQNQM5B","short_pith_number":"pith:6OWQ7LNJ","canonical_record":{"source":{"id":"1811.10235","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-26T09:01:27Z","cross_cats_sorted":[],"title_canon_sha256":"728f9f43035dc04367b0e33eafb101d9cdbe59911b951f0c6f44da5e14b71e97","abstract_canon_sha256":"3850dc8074c7bb95cf2e2934c3ac21cc6e7b647f1c62b492e207135ca1b9840d"},"schema_version":"1.0"},"canonical_sha256":"f3ad0fada963212de7b90ca028360ce86cd568a7c26000d80b0dcd600a1fe6f7","source":{"kind":"arxiv","id":"1811.10235","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.10235","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"arxiv_version","alias_value":"1811.10235v1","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10235","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"pith_short_12","alias_value":"6OWQ7LNJMMQS","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6OWQ7LNJMMQS3Z5Z","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6OWQ7LNJ","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6OWQ7LNJMMQS3Z5ZBSQCQNQM5B","target":"record","payload":{"canonical_record":{"source":{"id":"1811.10235","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-26T09:01:27Z","cross_cats_sorted":[],"title_canon_sha256":"728f9f43035dc04367b0e33eafb101d9cdbe59911b951f0c6f44da5e14b71e97","abstract_canon_sha256":"3850dc8074c7bb95cf2e2934c3ac21cc6e7b647f1c62b492e207135ca1b9840d"},"schema_version":"1.0"},"canonical_sha256":"f3ad0fada963212de7b90ca028360ce86cd568a7c26000d80b0dcd600a1fe6f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:57.015547Z","signature_b64":"J9Qc1koptEkk9+4W2s585Yqv/udgiLkvCMn2lJo7lz3r4jjD9/cvSRdo4gXpESWMn+EA0arJSgVv9SooE/eBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3ad0fada963212de7b90ca028360ce86cd568a7c26000d80b0dcd600a1fe6f7","last_reissued_at":"2026-05-17T23:59:57.014851Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:57.014851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.10235","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":"2026-05-17T23:59:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9DQbq3LXMvmT4OMaPfygwE8LJ4wxO6mOVlQn2w3JLIzS07HNStWfJRzFFPTB+kI38T5AlN3dtDEKf5Lg/jLKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:21:10.263113Z"},"content_sha256":"6331a5aa135f8a2f9833bc2370a6316bcfe4b5becc9a2ca7c10635d24d7c985b","schema_version":"1.0","event_id":"sha256:6331a5aa135f8a2f9833bc2370a6316bcfe4b5becc9a2ca7c10635d24d7c985b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6OWQ7LNJMMQS3Z5ZBSQCQNQM5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of optical states below light cone with compound lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ang Chen, Jiajun Wang, Jian Zi, Lei Shi, Maoxiong Zhao, Wenzhe Liu, Xiaohan Liu, Yiwen Zhang","submitted_at":"2018-11-26T09:01:27Z","abstract_excerpt":"For optical systems, states inside the light cone could be detected by far-field measurement, while those below the light cone are not detectable by far-field measurement. A new method for far-field detection has been developed for observing states below the light cone with compound lattices. The basic mechanism involved is that periodic weak scattering leads to band folding, making the states out of the light cone to occur inside. By using polarization-resolved momentum-space imaging spectroscopy the band structures and iso-frequency contours of plasmonic lattices with different dimensions an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10235","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":"2026-05-17T23:59:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0gsXcmHTxgu4/Pze5MfLr5swHEMaVMnhMg+Drf9dBYT+bXWQwylW0MohSp4L1X3fl5hPUpXhXdIo9sQZMOoDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:21:10.263554Z"},"content_sha256":"85f93f4fd1d48e78f2caa6708349706190f1baeb49fe308435567fb42f1e17a6","schema_version":"1.0","event_id":"sha256:85f93f4fd1d48e78f2caa6708349706190f1baeb49fe308435567fb42f1e17a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/bundle.json","state_url":"https://pith.science/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/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":"2026-05-26T22:21:10Z","links":{"resolver":"https://pith.science/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B","bundle":"https://pith.science/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/bundle.json","state":"https://pith.science/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6OWQ7LNJMMQS3Z5ZBSQCQNQM5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6OWQ7LNJMMQS3Z5ZBSQCQNQM5B","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":"3850dc8074c7bb95cf2e2934c3ac21cc6e7b647f1c62b492e207135ca1b9840d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-26T09:01:27Z","title_canon_sha256":"728f9f43035dc04367b0e33eafb101d9cdbe59911b951f0c6f44da5e14b71e97"},"schema_version":"1.0","source":{"id":"1811.10235","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.10235","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"arxiv_version","alias_value":"1811.10235v1","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10235","created_at":"2026-05-17T23:59:57Z"},{"alias_kind":"pith_short_12","alias_value":"6OWQ7LNJMMQS","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6OWQ7LNJMMQS3Z5Z","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6OWQ7LNJ","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:85f93f4fd1d48e78f2caa6708349706190f1baeb49fe308435567fb42f1e17a6","target":"graph","created_at":"2026-05-17T23:59:57Z","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":"For optical systems, states inside the light cone could be detected by far-field measurement, while those below the light cone are not detectable by far-field measurement. A new method for far-field detection has been developed for observing states below the light cone with compound lattices. The basic mechanism involved is that periodic weak scattering leads to band folding, making the states out of the light cone to occur inside. By using polarization-resolved momentum-space imaging spectroscopy the band structures and iso-frequency contours of plasmonic lattices with different dimensions an","authors_text":"Ang Chen, Jiajun Wang, Jian Zi, Lei Shi, Maoxiong Zhao, Wenzhe Liu, Xiaohan Liu, Yiwen Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-26T09:01:27Z","title":"Observation of optical states below light cone with compound lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10235","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":"sha256:6331a5aa135f8a2f9833bc2370a6316bcfe4b5becc9a2ca7c10635d24d7c985b","target":"record","created_at":"2026-05-17T23:59:57Z","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":"3850dc8074c7bb95cf2e2934c3ac21cc6e7b647f1c62b492e207135ca1b9840d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-26T09:01:27Z","title_canon_sha256":"728f9f43035dc04367b0e33eafb101d9cdbe59911b951f0c6f44da5e14b71e97"},"schema_version":"1.0","source":{"id":"1811.10235","kind":"arxiv","version":1}},"canonical_sha256":"f3ad0fada963212de7b90ca028360ce86cd568a7c26000d80b0dcd600a1fe6f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3ad0fada963212de7b90ca028360ce86cd568a7c26000d80b0dcd600a1fe6f7","first_computed_at":"2026-05-17T23:59:57.014851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:57.014851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J9Qc1koptEkk9+4W2s585Yqv/udgiLkvCMn2lJo7lz3r4jjD9/cvSRdo4gXpESWMn+EA0arJSgVv9SooE/eBBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:57.015547Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.10235","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6331a5aa135f8a2f9833bc2370a6316bcfe4b5becc9a2ca7c10635d24d7c985b","sha256:85f93f4fd1d48e78f2caa6708349706190f1baeb49fe308435567fb42f1e17a6"],"state_sha256":"ae3db2842e60b544fa3fab0f6290d735a2f97cf57cec8f672a535fd0db2c7016"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WHqyyx0J6fnwLQOzuPl1yx5qr9XFejPfwOU44Dmi0/okrSL0HhnsjczdyQRQMGTX7P1FLqpgliqQEA1EUIQHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:21:10.266420Z","bundle_sha256":"41998e6a40303c40ea7d479c9b1783f15614aba1adff8eaa903b8d248256e4f3"}}