{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HK442DERQZSVISUTWYGE6AEGVU","short_pith_number":"pith:HK442DER","canonical_record":{"source":{"id":"1108.4749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-08-24T05:24:26Z","cross_cats_sorted":[],"title_canon_sha256":"9005ed7f4668d12ac1f5a1c72fb0c428629c8ea0492b7f20c46f2ed4865d539f","abstract_canon_sha256":"02bfe1b12c3f404e4582237f53c407856b98dbeaaf5c64f218180c08b5da7673"},"schema_version":"1.0"},"canonical_sha256":"3ab9cd0c918665544a93b60c4f0086ad04c85b25285dfb776a472b341d63a176","source":{"kind":"arxiv","id":"1108.4749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4749","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4749v1","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4749","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"HK442DERQZSV","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HK442DERQZSVISUT","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HK442DER","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HK442DERQZSVISUTWYGE6AEGVU","target":"record","payload":{"canonical_record":{"source":{"id":"1108.4749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-08-24T05:24:26Z","cross_cats_sorted":[],"title_canon_sha256":"9005ed7f4668d12ac1f5a1c72fb0c428629c8ea0492b7f20c46f2ed4865d539f","abstract_canon_sha256":"02bfe1b12c3f404e4582237f53c407856b98dbeaaf5c64f218180c08b5da7673"},"schema_version":"1.0"},"canonical_sha256":"3ab9cd0c918665544a93b60c4f0086ad04c85b25285dfb776a472b341d63a176","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:02.636757Z","signature_b64":"iBo/UcJcmPdmC5T2oUL78e4WI+Uc01oj4TWw5XCoIzmQlmuMJKnlJDqIb/QWMSbRApyzAtRvZFvNXNmQb664AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ab9cd0c918665544a93b60c4f0086ad04c85b25285dfb776a472b341d63a176","last_reissued_at":"2026-05-17T23:41:02.636020Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:02.636020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.4749","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":"2026-05-17T23:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZM1iaQZ/iFGmEwsP7Uv2LidoC8USVNTlSnx3QBoEIbT0Kma+Ln8Ph8xJ8o+V9Jq+IS5ohV+ENwbw33BTIX5jAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:52:13.493635Z"},"content_sha256":"75309e8bb8aef18e9de4d2c58a83dfa3ec173304cf1336e91f6be076502d2917","schema_version":"1.0","event_id":"sha256:75309e8bb8aef18e9de4d2c58a83dfa3ec173304cf1336e91f6be076502d2917"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HK442DERQZSVISUTWYGE6AEGVU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thresholdless Nanoscale Coaxial Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Mizrahi, A. Simic, B. Slutsky, J. H. Lee, M. Katz, M. Khajavikhan, V. Lomakin, Y. Fainman","submitted_at":"2011-08-24T05:24:26Z","abstract_excerpt":"The generation of coherent radiation in nanostructures has attracted considerable interest in recent years owing both to the quantum electrodynamical effects that emerge in small volumes, and to their potential for future applications. The progress towards exploring this size regime, however, has been hindered by the lack of a systematic approach to scaling down the mode as the structures shrink in size and by the high threshold power required for lasing in small cavities. Here we present a new family of metamaterial-like nano-cavities consisting of metallic coaxial nanostructures that solves "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4749","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":"2026-05-17T23:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jDahSbamcJjcxGdgrN8WhnnjrPb5ppZ8kExUdxE4rhR1DelUIE5QoFLJvFM+tXiDkyfmqofks7nhaFTh4AwOCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:52:13.494308Z"},"content_sha256":"9aee6cd66bd3aec3636297dcf0edf3642b515345aa1d13c0d060b4138faf3637","schema_version":"1.0","event_id":"sha256:9aee6cd66bd3aec3636297dcf0edf3642b515345aa1d13c0d060b4138faf3637"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HK442DERQZSVISUTWYGE6AEGVU/bundle.json","state_url":"https://pith.science/pith/HK442DERQZSVISUTWYGE6AEGVU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HK442DERQZSVISUTWYGE6AEGVU/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":"2026-05-26T02:52:13Z","links":{"resolver":"https://pith.science/pith/HK442DERQZSVISUTWYGE6AEGVU","bundle":"https://pith.science/pith/HK442DERQZSVISUTWYGE6AEGVU/bundle.json","state":"https://pith.science/pith/HK442DERQZSVISUTWYGE6AEGVU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HK442DERQZSVISUTWYGE6AEGVU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HK442DERQZSVISUTWYGE6AEGVU","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":"02bfe1b12c3f404e4582237f53c407856b98dbeaaf5c64f218180c08b5da7673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-08-24T05:24:26Z","title_canon_sha256":"9005ed7f4668d12ac1f5a1c72fb0c428629c8ea0492b7f20c46f2ed4865d539f"},"schema_version":"1.0","source":{"id":"1108.4749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4749","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4749v1","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4749","created_at":"2026-05-17T23:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"HK442DERQZSV","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HK442DERQZSVISUT","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HK442DER","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:9aee6cd66bd3aec3636297dcf0edf3642b515345aa1d13c0d060b4138faf3637","target":"graph","created_at":"2026-05-17T23:41:02Z","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":"The generation of coherent radiation in nanostructures has attracted considerable interest in recent years owing both to the quantum electrodynamical effects that emerge in small volumes, and to their potential for future applications. The progress towards exploring this size regime, however, has been hindered by the lack of a systematic approach to scaling down the mode as the structures shrink in size and by the high threshold power required for lasing in small cavities. Here we present a new family of metamaterial-like nano-cavities consisting of metallic coaxial nanostructures that solves ","authors_text":"A. Mizrahi, A. Simic, B. Slutsky, J. H. Lee, M. Katz, M. Khajavikhan, V. Lomakin, Y. Fainman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-08-24T05:24:26Z","title":"Thresholdless Nanoscale Coaxial Lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4749","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":"sha256:75309e8bb8aef18e9de4d2c58a83dfa3ec173304cf1336e91f6be076502d2917","target":"record","created_at":"2026-05-17T23:41:02Z","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":"02bfe1b12c3f404e4582237f53c407856b98dbeaaf5c64f218180c08b5da7673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-08-24T05:24:26Z","title_canon_sha256":"9005ed7f4668d12ac1f5a1c72fb0c428629c8ea0492b7f20c46f2ed4865d539f"},"schema_version":"1.0","source":{"id":"1108.4749","kind":"arxiv","version":1}},"canonical_sha256":"3ab9cd0c918665544a93b60c4f0086ad04c85b25285dfb776a472b341d63a176","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ab9cd0c918665544a93b60c4f0086ad04c85b25285dfb776a472b341d63a176","first_computed_at":"2026-05-17T23:41:02.636020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:02.636020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iBo/UcJcmPdmC5T2oUL78e4WI+Uc01oj4TWw5XCoIzmQlmuMJKnlJDqIb/QWMSbRApyzAtRvZFvNXNmQb664AA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:02.636757Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.4749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75309e8bb8aef18e9de4d2c58a83dfa3ec173304cf1336e91f6be076502d2917","sha256:9aee6cd66bd3aec3636297dcf0edf3642b515345aa1d13c0d060b4138faf3637"],"state_sha256":"fca4568f7ac32d883faecf7f44d26b14ae539146801f97edb2ca64c40c9050be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nJgS3K0zabG/YyMTFDNGZgbOEDhKnNkKkuQlxyPoxfafkp6ZI2qlxVIbapI90xZdktGm+GojTFjpy34v1VzKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:52:13.497565Z","bundle_sha256":"728407af91f8bb3c197a488a90b087304a7beb3dd75500c8415b7ca9aadf1bd8"}}