{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YN4OS45SZGXRQIIXNJWEZSKWIA","short_pith_number":"pith:YN4OS45S","canonical_record":{"source":{"id":"1502.03886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-13T04:58:30Z","cross_cats_sorted":[],"title_canon_sha256":"b6cba0bd6360e981e5ac73aa00bd91a735f752c526f8ea84c3b00484ceb23ece","abstract_canon_sha256":"1d52855e17a60aa044b12a3c59f2bbafdc39920a44cc615ce9968d1b72c7c3f9"},"schema_version":"1.0"},"canonical_sha256":"c378e973b2c9af1821176a6c4cc9564027bb9f1538f63ec4ffb204ae5b721037","source":{"kind":"arxiv","id":"1502.03886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03886","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03886v1","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03886","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"YN4OS45SZGXR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YN4OS45SZGXRQIIX","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YN4OS45S","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YN4OS45SZGXRQIIXNJWEZSKWIA","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-13T04:58:30Z","cross_cats_sorted":[],"title_canon_sha256":"b6cba0bd6360e981e5ac73aa00bd91a735f752c526f8ea84c3b00484ceb23ece","abstract_canon_sha256":"1d52855e17a60aa044b12a3c59f2bbafdc39920a44cc615ce9968d1b72c7c3f9"},"schema_version":"1.0"},"canonical_sha256":"c378e973b2c9af1821176a6c4cc9564027bb9f1538f63ec4ffb204ae5b721037","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:08.505183Z","signature_b64":"TzzAzjJkwM8IT5yMWAd4t0889icbCzs/j2AdnEN0pOVSngErLOOFKCjPBMFVd+U2SzAl8t0lRzRjeE8nu5lmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c378e973b2c9af1821176a6c4cc9564027bb9f1538f63ec4ffb204ae5b721037","last_reissued_at":"2026-05-18T00:46:08.504734Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:08.504734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03886","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":"2026-05-18T00:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F6pUHI4jzsPMVTZlP20K8hHKxaQvUzwiZBeTQQiurs0awuemPu7/OGbaiBUdT/PgSVyq2D2LwozYfqa0HwOlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:38:00.622558Z"},"content_sha256":"99e1181e464285baaf22155a8e2b06f9820cae4a3614c7134614a8de86a301c3","schema_version":"1.0","event_id":"sha256:99e1181e464285baaf22155a8e2b06f9820cae4a3614c7134614a8de86a301c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YN4OS45SZGXRQIIXNJWEZSKWIA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced Kerr electro-optic nonlinearity through cascaded Pockels effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Guang-Zhen Li, Hao-Wei Jiang, Xian-Feng Chen, Yu-Ping Chen","submitted_at":"2015-02-13T04:58:30Z","abstract_excerpt":"We demonstrated a large enhancement of Kerr electro-optic nonlinearity through cascaded Pockels effects in a domain inversion ferroelectric crystal. We designed a structure that can implement the cascaded Pockels effects and second-harmonic generation simultaneously. The energy coupling between the fundamental lights of different polarizations led to a large nonlinear phase shift, and thus an effective electro-optic nonlinear refractive index. The effective nonlinearity can be either positive or negative, causing the second-harmonic spectra to move towards the coupling center, which in turn, o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03886","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":"2026-05-18T00:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nod03l5ZFsAUBHT6uR8Zm59848SWmdPjJCzDNKIYbfltos4Gnd5md5ktLVGh7LfewYg6gYLV31c5wac8CqLZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:38:00.622911Z"},"content_sha256":"ec0831e13d33f65f92ada7c83cca6b8b1234f72874b64c168984e36523aab973","schema_version":"1.0","event_id":"sha256:ec0831e13d33f65f92ada7c83cca6b8b1234f72874b64c168984e36523aab973"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/bundle.json","state_url":"https://pith.science/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/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":"2026-06-03T09:38:00Z","links":{"resolver":"https://pith.science/pith/YN4OS45SZGXRQIIXNJWEZSKWIA","bundle":"https://pith.science/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/bundle.json","state":"https://pith.science/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YN4OS45SZGXRQIIXNJWEZSKWIA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YN4OS45SZGXRQIIXNJWEZSKWIA","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":"1d52855e17a60aa044b12a3c59f2bbafdc39920a44cc615ce9968d1b72c7c3f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-13T04:58:30Z","title_canon_sha256":"b6cba0bd6360e981e5ac73aa00bd91a735f752c526f8ea84c3b00484ceb23ece"},"schema_version":"1.0","source":{"id":"1502.03886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03886","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03886v1","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03886","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"YN4OS45SZGXR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YN4OS45SZGXRQIIX","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YN4OS45S","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:ec0831e13d33f65f92ada7c83cca6b8b1234f72874b64c168984e36523aab973","target":"graph","created_at":"2026-05-18T00:46:08Z","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 demonstrated a large enhancement of Kerr electro-optic nonlinearity through cascaded Pockels effects in a domain inversion ferroelectric crystal. We designed a structure that can implement the cascaded Pockels effects and second-harmonic generation simultaneously. The energy coupling between the fundamental lights of different polarizations led to a large nonlinear phase shift, and thus an effective electro-optic nonlinear refractive index. The effective nonlinearity can be either positive or negative, causing the second-harmonic spectra to move towards the coupling center, which in turn, o","authors_text":"Guang-Zhen Li, Hao-Wei Jiang, Xian-Feng Chen, Yu-Ping Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-13T04:58:30Z","title":"Enhanced Kerr electro-optic nonlinearity through cascaded Pockels effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03886","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":"sha256:99e1181e464285baaf22155a8e2b06f9820cae4a3614c7134614a8de86a301c3","target":"record","created_at":"2026-05-18T00:46:08Z","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":"1d52855e17a60aa044b12a3c59f2bbafdc39920a44cc615ce9968d1b72c7c3f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-13T04:58:30Z","title_canon_sha256":"b6cba0bd6360e981e5ac73aa00bd91a735f752c526f8ea84c3b00484ceb23ece"},"schema_version":"1.0","source":{"id":"1502.03886","kind":"arxiv","version":1}},"canonical_sha256":"c378e973b2c9af1821176a6c4cc9564027bb9f1538f63ec4ffb204ae5b721037","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c378e973b2c9af1821176a6c4cc9564027bb9f1538f63ec4ffb204ae5b721037","first_computed_at":"2026-05-18T00:46:08.504734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:08.504734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TzzAzjJkwM8IT5yMWAd4t0889icbCzs/j2AdnEN0pOVSngErLOOFKCjPBMFVd+U2SzAl8t0lRzRjeE8nu5lmBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:08.505183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99e1181e464285baaf22155a8e2b06f9820cae4a3614c7134614a8de86a301c3","sha256:ec0831e13d33f65f92ada7c83cca6b8b1234f72874b64c168984e36523aab973"],"state_sha256":"0bdf6f33e834f33b57585941de4b079cdcb659200fbb47e6a8da5a6bf2062a96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K1kCAiiUQMMZF8OQtGq+DQqNC2Mjgu3b1RvW1jipV00/ZlJjHczAJdbB0x8PaWvl+ttql1zqXRbdPkwSBbpyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:38:00.624961Z","bundle_sha256":"3178eb79b60ca0bb8a5cae6bdd5c2c7a177dae0854e097012017019a49ad3aed"}}