{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KBPJIS7STS4A6XEA57WRWIECA4","short_pith_number":"pith:KBPJIS7S","canonical_record":{"source":{"id":"1509.02607","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-09T02:12:57Z","cross_cats_sorted":[],"title_canon_sha256":"a0ff33591827259e83539161127c9ae3b78deb405ef0efe8d629b213c8c11910","abstract_canon_sha256":"35c1c3184925d660cf645292a882a4b970fd517ced5cf0867b6db3b543057ca0"},"schema_version":"1.0"},"canonical_sha256":"505e944bf29cb80f5c80efed1b208207007e665f41aed1fdaa132d1c569da27b","source":{"kind":"arxiv","id":"1509.02607","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02607","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02607v2","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02607","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"KBPJIS7STS4A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KBPJIS7STS4A6XEA","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KBPJIS7S","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KBPJIS7STS4A6XEA57WRWIECA4","target":"record","payload":{"canonical_record":{"source":{"id":"1509.02607","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-09T02:12:57Z","cross_cats_sorted":[],"title_canon_sha256":"a0ff33591827259e83539161127c9ae3b78deb405ef0efe8d629b213c8c11910","abstract_canon_sha256":"35c1c3184925d660cf645292a882a4b970fd517ced5cf0867b6db3b543057ca0"},"schema_version":"1.0"},"canonical_sha256":"505e944bf29cb80f5c80efed1b208207007e665f41aed1fdaa132d1c569da27b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:44.479059Z","signature_b64":"GDJAX/qTbeSgQyqEtiOAwjZcKKAIMpYrdcHemdQgBAk2tYsOIuSN0+J/tfmWDc+X5V+uYS0FwtIFUusjy2SODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"505e944bf29cb80f5c80efed1b208207007e665f41aed1fdaa132d1c569da27b","last_reissued_at":"2026-05-18T01:23:44.478372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:44.478372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.02607","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nEvDlwUI87XQMlz1kLfTriRPrkyY1+LX/yJKXyzcMyqHS14De4j33HBodiCoSYAtlmlP2ZTkiuvvVAKiTHD6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:37:31.111990Z"},"content_sha256":"742baad322235695f1aca96d557a80fc34a7712e2de7e0be6b6d31ace1b0bd56","schema_version":"1.0","event_id":"sha256:742baad322235695f1aca96d557a80fc34a7712e2de7e0be6b6d31ace1b0bd56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KBPJIS7STS4A6XEA57WRWIECA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase matched second harmonic generation in an on-chip lithium niobate microresonator fabricated by femtosecond laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Jielei Ni, Jintian Lin, Lingling Qiao, Min Wang, Wei Fang, Ya Cheng, Yingxin Xu, Zhiwei Fang","submitted_at":"2015-09-09T02:12:57Z","abstract_excerpt":"Nonlinear optical processes in whispering gallery mode (WGM) microresonators have attracted much attention. Owing to the strong confinement of light in a small volume, a WGM microresonator can dramatically boost the strength of light field, thereby promoting the nonlinear interaction between the light and the resonator material. However, realization of efficient nonlinear parametric process in microresonators is a challenging issue. The major difficulty is to simultaneously ensure the phase matching condition and a coherent multiple resonance condition for all the waves participating in the no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02607","kind":"arxiv","version":2},"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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pwq+JNfGn51d3nV33Wg+M1ZuUGihGXOsnO5WAINYrK/vjM2mOQw1kqZQx0dRUljpR41eNSpl6Gazy3rMZHUxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:37:31.112659Z"},"content_sha256":"9d3f4ebb7e9039676a53108ca42715cb560c2a98ec7b5416ffee731568206a07","schema_version":"1.0","event_id":"sha256:9d3f4ebb7e9039676a53108ca42715cb560c2a98ec7b5416ffee731568206a07"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBPJIS7STS4A6XEA57WRWIECA4/bundle.json","state_url":"https://pith.science/pith/KBPJIS7STS4A6XEA57WRWIECA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBPJIS7STS4A6XEA57WRWIECA4/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":"2026-05-31T03:37:31Z","links":{"resolver":"https://pith.science/pith/KBPJIS7STS4A6XEA57WRWIECA4","bundle":"https://pith.science/pith/KBPJIS7STS4A6XEA57WRWIECA4/bundle.json","state":"https://pith.science/pith/KBPJIS7STS4A6XEA57WRWIECA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBPJIS7STS4A6XEA57WRWIECA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KBPJIS7STS4A6XEA57WRWIECA4","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":"35c1c3184925d660cf645292a882a4b970fd517ced5cf0867b6db3b543057ca0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-09T02:12:57Z","title_canon_sha256":"a0ff33591827259e83539161127c9ae3b78deb405ef0efe8d629b213c8c11910"},"schema_version":"1.0","source":{"id":"1509.02607","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02607","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02607v2","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02607","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"KBPJIS7STS4A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KBPJIS7STS4A6XEA","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KBPJIS7S","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:9d3f4ebb7e9039676a53108ca42715cb560c2a98ec7b5416ffee731568206a07","target":"graph","created_at":"2026-05-18T01:23:44Z","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":"Nonlinear optical processes in whispering gallery mode (WGM) microresonators have attracted much attention. Owing to the strong confinement of light in a small volume, a WGM microresonator can dramatically boost the strength of light field, thereby promoting the nonlinear interaction between the light and the resonator material. However, realization of efficient nonlinear parametric process in microresonators is a challenging issue. The major difficulty is to simultaneously ensure the phase matching condition and a coherent multiple resonance condition for all the waves participating in the no","authors_text":"Jielei Ni, Jintian Lin, Lingling Qiao, Min Wang, Wei Fang, Ya Cheng, Yingxin Xu, Zhiwei Fang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-09T02:12:57Z","title":"Phase matched second harmonic generation in an on-chip lithium niobate microresonator fabricated by femtosecond laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02607","kind":"arxiv","version":2},"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":"sha256:742baad322235695f1aca96d557a80fc34a7712e2de7e0be6b6d31ace1b0bd56","target":"record","created_at":"2026-05-18T01:23:44Z","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":"35c1c3184925d660cf645292a882a4b970fd517ced5cf0867b6db3b543057ca0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-09T02:12:57Z","title_canon_sha256":"a0ff33591827259e83539161127c9ae3b78deb405ef0efe8d629b213c8c11910"},"schema_version":"1.0","source":{"id":"1509.02607","kind":"arxiv","version":2}},"canonical_sha256":"505e944bf29cb80f5c80efed1b208207007e665f41aed1fdaa132d1c569da27b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"505e944bf29cb80f5c80efed1b208207007e665f41aed1fdaa132d1c569da27b","first_computed_at":"2026-05-18T01:23:44.478372Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:44.478372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GDJAX/qTbeSgQyqEtiOAwjZcKKAIMpYrdcHemdQgBAk2tYsOIuSN0+J/tfmWDc+X5V+uYS0FwtIFUusjy2SODA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:44.479059Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02607","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:742baad322235695f1aca96d557a80fc34a7712e2de7e0be6b6d31ace1b0bd56","sha256:9d3f4ebb7e9039676a53108ca42715cb560c2a98ec7b5416ffee731568206a07"],"state_sha256":"a231cdbff9d468784fc3dc8ec70fc986d63814e2c3fd15cd63a52612daa9da29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QNrQZVh4tCh1IgLELdzx5krj61l0WJd7snKYacY2JBJrg0v0TBC3Fv+l7LNnFj8S2m3ktgdSfBGFi1wrks4YDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:37:31.115654Z","bundle_sha256":"681554486b2de30f7f9cc8508c3d9f69cc848ebce57d487157f3a1068f673ce3"}}