{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DRZL437AGNCZJVFRZ4R2XKNDXK","short_pith_number":"pith:DRZL437A","canonical_record":{"source":{"id":"2402.00639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-02-01T14:56:34Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"10e06b503d871b1da44249d892ba4079c6150189f680836ed0d4266667a554e1","abstract_canon_sha256":"267012c9ae9d24049e1fdf62904e04072ac6fa23829041b4fecc1deb1acec1b7"},"schema_version":"1.0"},"canonical_sha256":"1c72be6fe0334594d4b1cf23aba9a3ba928d625099d0a84583c75ebf040642f6","source":{"kind":"arxiv","id":"2402.00639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00639","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00639v1","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00639","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_12","alias_value":"DRZL437AGNCZ","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_16","alias_value":"DRZL437AGNCZJVFR","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_8","alias_value":"DRZL437A","created_at":"2026-07-05T07:40:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DRZL437AGNCZJVFRZ4R2XKNDXK","target":"record","payload":{"canonical_record":{"source":{"id":"2402.00639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-02-01T14:56:34Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"10e06b503d871b1da44249d892ba4079c6150189f680836ed0d4266667a554e1","abstract_canon_sha256":"267012c9ae9d24049e1fdf62904e04072ac6fa23829041b4fecc1deb1acec1b7"},"schema_version":"1.0"},"canonical_sha256":"1c72be6fe0334594d4b1cf23aba9a3ba928d625099d0a84583c75ebf040642f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:40:15.679815Z","signature_b64":"Z5Vx+zwJq60cSb44rJSyq/uSyNywoehb7bDqJQNjyx56aCP4TKCtuswNR4kpkuA38BmrUW7vPnqZ8+QeJ9tCBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c72be6fe0334594d4b1cf23aba9a3ba928d625099d0a84583c75ebf040642f6","last_reissued_at":"2026-07-05T07:40:15.679282Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:40:15.679282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.00639","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":"2026-07-05T07:40:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jlq7trQvqf+315Hv48B7BWPFjGPGJJIjvi+uanU6hgUnvJ2Ng6Y0elohtsH2oO4gwAs06M0LG7657dhVMQ/5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:38:13.602428Z"},"content_sha256":"b4693cbe47623de3f72ed1a061c68fb6b1395794515b250d126f462ba1207aa2","schema_version":"1.0","event_id":"sha256:b4693cbe47623de3f72ed1a061c68fb6b1395794515b250d126f462ba1207aa2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DRZL437AGNCZJVFRZ4R2XKNDXK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An electrically pumped topological polariton laser","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Adriana Wolf, Christian Schneider, Fauzia Jabeen, Franciszek Dzimira, Johannes Beierlein, Monika Emmerling, Oleg A. Egorov, Philipp Gagel, Sebastian Klembt, Simon Betzold, Sven H\\\"ofling, Ulf Peschel","submitted_at":"2024-02-01T14:56:34Z","abstract_excerpt":"With a seminal work of Raghu and Haldane in 2008, concepts of topology have been successfully introduced in a wide range of optical systems, emulating specific lattice Hamiltonians. Certainly, one of the most promising routes to an application of topological photonics in an actual device are topological lasers, where efficient and highly coherent lasing from a topologically non-trivial mode is achieved. While some attempts have been made to excite such structures electrically, the majority of published fundamental experiments use a form of laser excitation. In this paper, we use a lattice of v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00639","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.00639/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:40:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aksRkFPAP2McXLvZ8gdHLYkzMG8VhtWe4WeD8RThhvb67kysdK5aR34aZ9dUVXM9dvzrXcUILzWHRO0KF9XLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:38:13.602967Z"},"content_sha256":"0c59be5721f3caf4e79b415a993765de6280fa4dddd7482af2ab256c145e6f11","schema_version":"1.0","event_id":"sha256:0c59be5721f3caf4e79b415a993765de6280fa4dddd7482af2ab256c145e6f11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/bundle.json","state_url":"https://pith.science/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/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":"2026-08-12T11:38:13Z","links":{"resolver":"https://pith.science/pith/DRZL437AGNCZJVFRZ4R2XKNDXK","bundle":"https://pith.science/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/bundle.json","state":"https://pith.science/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRZL437AGNCZJVFRZ4R2XKNDXK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DRZL437AGNCZJVFRZ4R2XKNDXK","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":"267012c9ae9d24049e1fdf62904e04072ac6fa23829041b4fecc1deb1acec1b7","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-02-01T14:56:34Z","title_canon_sha256":"10e06b503d871b1da44249d892ba4079c6150189f680836ed0d4266667a554e1"},"schema_version":"1.0","source":{"id":"2402.00639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00639","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00639v1","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00639","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_12","alias_value":"DRZL437AGNCZ","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_16","alias_value":"DRZL437AGNCZJVFR","created_at":"2026-07-05T07:40:15Z"},{"alias_kind":"pith_short_8","alias_value":"DRZL437A","created_at":"2026-07-05T07:40:15Z"}],"graph_snapshots":[{"event_id":"sha256:0c59be5721f3caf4e79b415a993765de6280fa4dddd7482af2ab256c145e6f11","target":"graph","created_at":"2026-07-05T07:40:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2402.00639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With a seminal work of Raghu and Haldane in 2008, concepts of topology have been successfully introduced in a wide range of optical systems, emulating specific lattice Hamiltonians. Certainly, one of the most promising routes to an application of topological photonics in an actual device are topological lasers, where efficient and highly coherent lasing from a topologically non-trivial mode is achieved. While some attempts have been made to excite such structures electrically, the majority of published fundamental experiments use a form of laser excitation. In this paper, we use a lattice of v","authors_text":"Adriana Wolf, Christian Schneider, Fauzia Jabeen, Franciszek Dzimira, Johannes Beierlein, Monika Emmerling, Oleg A. Egorov, Philipp Gagel, Sebastian Klembt, Simon Betzold, Sven H\\\"ofling, Ulf Peschel","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-02-01T14:56:34Z","title":"An electrically pumped topological polariton laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00639","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:b4693cbe47623de3f72ed1a061c68fb6b1395794515b250d126f462ba1207aa2","target":"record","created_at":"2026-07-05T07:40:15Z","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":"267012c9ae9d24049e1fdf62904e04072ac6fa23829041b4fecc1deb1acec1b7","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-02-01T14:56:34Z","title_canon_sha256":"10e06b503d871b1da44249d892ba4079c6150189f680836ed0d4266667a554e1"},"schema_version":"1.0","source":{"id":"2402.00639","kind":"arxiv","version":1}},"canonical_sha256":"1c72be6fe0334594d4b1cf23aba9a3ba928d625099d0a84583c75ebf040642f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c72be6fe0334594d4b1cf23aba9a3ba928d625099d0a84583c75ebf040642f6","first_computed_at":"2026-07-05T07:40:15.679282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:40:15.679282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z5Vx+zwJq60cSb44rJSyq/uSyNywoehb7bDqJQNjyx56aCP4TKCtuswNR4kpkuA38BmrUW7vPnqZ8+QeJ9tCBA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:40:15.679815Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.00639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4693cbe47623de3f72ed1a061c68fb6b1395794515b250d126f462ba1207aa2","sha256:0c59be5721f3caf4e79b415a993765de6280fa4dddd7482af2ab256c145e6f11"],"state_sha256":"cc49eb3e3c197b129d05201750f37e95721feec10c2b2899ad84ad49125e7942"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+Jh+q/rapjzLU05HVA2yA2GCWHmsRhHgkIHoW+mubyH/ob/3V+4wjO1aAsrOv8DfrWSZ/QQBDz/fnuA17i9DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T11:38:13.609015Z","bundle_sha256":"ccec4b89123b4e80f278db549c1d15c976ab1c1a45205b2c3035e534493362e6"}}