{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RKRSTQCL6H63VDVG23D2CL6OUH","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":"fcd41977db0cb44488d19c364d24c85972da535c153d0b4429d95d170d942833","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-14T07:56:26Z","title_canon_sha256":"acbc8ec76870f2be741b8e171b651331d6412c75cba2ace267c5abf2c711fb9d"},"schema_version":"1.0","source":{"id":"1510.03987","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03987","created_at":"2026-05-18T01:30:09Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03987v1","created_at":"2026-05-18T01:30:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03987","created_at":"2026-05-18T01:30:09Z"},{"alias_kind":"pith_short_12","alias_value":"RKRSTQCL6H63","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RKRSTQCL6H63VDVG","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RKRSTQCL","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:59f7101bdccdd06c5959a83740cbef13506a012cba5a4b827f5ac3c0538f87ff","target":"graph","created_at":"2026-05-18T01:30:09Z","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":"Solution-processed lead halide perovskites have shown very bright future in both solar cells and microlasers. Very recently, the nonlinearity of perovskites started to attract considerable research attention. Second harmonic generation and two-photon absorption have been successfully demonstrated. However, the nonlinearity based perovskite devices such as micro- & nano- lasers are still absent. Here we demonstrate the two-photon pumped nanolasers from perovskite nanowires. The CH3NH3PbBr3 perovskite nanowires were synthesized with one-step solution self-assembly method and dispersed on glass s","authors_text":"Jinakai Li, Kaiyang Wang, Qinghai Song, Shuai Liu, Shumin Xiao, Wenzhao Sun, Zhiyuan Gu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-14T07:56:26Z","title":"Two-photon pumped lead halide perovskite nanowire lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03987","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":"sha256:4979fc9ffb6964784f15afcbc4046d89adb3e836da1326544c1ef3c9673092eb","target":"record","created_at":"2026-05-18T01:30:09Z","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":"fcd41977db0cb44488d19c364d24c85972da535c153d0b4429d95d170d942833","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-14T07:56:26Z","title_canon_sha256":"acbc8ec76870f2be741b8e171b651331d6412c75cba2ace267c5abf2c711fb9d"},"schema_version":"1.0","source":{"id":"1510.03987","kind":"arxiv","version":1}},"canonical_sha256":"8aa329c04bf1fdba8ea6d6c7a12fcea1f85dbe5b447e83243b3037895f971659","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8aa329c04bf1fdba8ea6d6c7a12fcea1f85dbe5b447e83243b3037895f971659","first_computed_at":"2026-05-18T01:30:09.573152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:09.573152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wPxLP8egU0DWcOkCgu1pS69RD1pSfLAxtiswvFyOTVyINH6KU5WzFWB53RYkjlVnd1xjYSwB58KG5DUOTo5DCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:09.573773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.03987","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4979fc9ffb6964784f15afcbc4046d89adb3e836da1326544c1ef3c9673092eb","sha256:59f7101bdccdd06c5959a83740cbef13506a012cba5a4b827f5ac3c0538f87ff"],"state_sha256":"2ae378a41a9d33c006db4138688c1b5deb862267056d4b3a299867074306b9fc"}