{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:NFF3EQJT4GT2SYOUJYC24AMVWY","short_pith_number":"pith:NFF3EQJT","canonical_record":{"source":{"id":"1306.5537","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-06-24T08:28:31Z","cross_cats_sorted":[],"title_canon_sha256":"adc098692e11c2cbb798e29a69230f764cbbbaadb0e53e27aac77bed6ae43822","abstract_canon_sha256":"0f7ad7058ce73d418e23085eaeb7e9a1b7df4fcd6dee27607c9391d0ff3b791a"},"schema_version":"1.0"},"canonical_sha256":"694bb24133e1a7a961d44e05ae0195b62415875e775a5dea11d8b424960e5390","source":{"kind":"arxiv","id":"1306.5537","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5537","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5537v1","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5537","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"NFF3EQJT4GT2","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NFF3EQJT4GT2SYOU","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NFF3EQJT","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:NFF3EQJT4GT2SYOUJYC24AMVWY","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5537","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-06-24T08:28:31Z","cross_cats_sorted":[],"title_canon_sha256":"adc098692e11c2cbb798e29a69230f764cbbbaadb0e53e27aac77bed6ae43822","abstract_canon_sha256":"0f7ad7058ce73d418e23085eaeb7e9a1b7df4fcd6dee27607c9391d0ff3b791a"},"schema_version":"1.0"},"canonical_sha256":"694bb24133e1a7a961d44e05ae0195b62415875e775a5dea11d8b424960e5390","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:07.683677Z","signature_b64":"LdYN1kznW6BeTW5S0sZdIfNNaQ3DHW7Zbq7C+aNj77D0BVQkNx5LwE0V6xXOLQpOOMl+as7KGrYD09eRwyTsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"694bb24133e1a7a961d44e05ae0195b62415875e775a5dea11d8b424960e5390","last_reissued_at":"2026-05-18T03:20:07.682822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:07.682822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5537","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":"2026-05-18T03:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJeyKqjZ8FUEOOGYrXxjWOZ/r66y2qNXAzZqSpv9VlitzwPmoyOzR4MlBy7mtOpmHAs1whyvMOcqrG6KoZWMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T08:03:14.402174Z"},"content_sha256":"4474d2accfdd6baadb772acbc8239f1de7f348095ca1fae5b1706624668969e6","schema_version":"1.0","event_id":"sha256:4474d2accfdd6baadb772acbc8239f1de7f348095ca1fae5b1706624668969e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:NFF3EQJT4GT2SYOUJYC24AMVWY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Room temperature all-silicon photonic crystal nanocavity light emitting diode at sub-bandgap wavelengths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Shakoor, D. Gerace, F. Priolo, G. Franzo, K. Welna, L. O Faolain, M. Galli, P. Cardile, R. Lo Savio, S. Boninelli, S. L. Portalupi, T. F. Krauss","submitted_at":"2013-06-24T08:28:31Z","abstract_excerpt":"Silicon is now firmly established as a high performance photonic material. Its only weakness is the lack of a native electrically driven light emitter that operates CW at room temperature, exhibits a narrow linewidth in the technologically important 1300- 1600 nm wavelength window, is small and operates with low power consumption. Here, an electrically pumped all-silicon nano light source around 1300-1600 nm range is demonstrated at room temperature. Using hydrogen plasma treatment, nano-scale optically active defects are introduced into silicon, which then feed the photonic crystal nanocavity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5537","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":"2026-05-18T03:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5tWaG+OKg54pOMDbAVN0zc2hdTUSe9v48a7cxLm4wyQS/G1dcyb/2qmunbg2tx6TUENSGEC4kN8WaF4VN4CgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T08:03:14.402909Z"},"content_sha256":"2f192f3db9c45b61c9fedba872407210fa8581f6dfb8f618bfe1a99946d4e241","schema_version":"1.0","event_id":"sha256:2f192f3db9c45b61c9fedba872407210fa8581f6dfb8f618bfe1a99946d4e241"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/bundle.json","state_url":"https://pith.science/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/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":"2026-05-24T08:03:14Z","links":{"resolver":"https://pith.science/pith/NFF3EQJT4GT2SYOUJYC24AMVWY","bundle":"https://pith.science/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/bundle.json","state":"https://pith.science/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NFF3EQJT4GT2SYOUJYC24AMVWY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NFF3EQJT4GT2SYOUJYC24AMVWY","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":"0f7ad7058ce73d418e23085eaeb7e9a1b7df4fcd6dee27607c9391d0ff3b791a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-06-24T08:28:31Z","title_canon_sha256":"adc098692e11c2cbb798e29a69230f764cbbbaadb0e53e27aac77bed6ae43822"},"schema_version":"1.0","source":{"id":"1306.5537","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5537","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5537v1","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5537","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"NFF3EQJT4GT2","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NFF3EQJT4GT2SYOU","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NFF3EQJT","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:2f192f3db9c45b61c9fedba872407210fa8581f6dfb8f618bfe1a99946d4e241","target":"graph","created_at":"2026-05-18T03:20:07Z","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":"Silicon is now firmly established as a high performance photonic material. Its only weakness is the lack of a native electrically driven light emitter that operates CW at room temperature, exhibits a narrow linewidth in the technologically important 1300- 1600 nm wavelength window, is small and operates with low power consumption. Here, an electrically pumped all-silicon nano light source around 1300-1600 nm range is demonstrated at room temperature. Using hydrogen plasma treatment, nano-scale optically active defects are introduced into silicon, which then feed the photonic crystal nanocavity","authors_text":"A. Shakoor, D. Gerace, F. Priolo, G. Franzo, K. Welna, L. O Faolain, M. Galli, P. Cardile, R. Lo Savio, S. Boninelli, S. L. Portalupi, T. F. Krauss","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-06-24T08:28:31Z","title":"Room temperature all-silicon photonic crystal nanocavity light emitting diode at sub-bandgap wavelengths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5537","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":"sha256:4474d2accfdd6baadb772acbc8239f1de7f348095ca1fae5b1706624668969e6","target":"record","created_at":"2026-05-18T03:20:07Z","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":"0f7ad7058ce73d418e23085eaeb7e9a1b7df4fcd6dee27607c9391d0ff3b791a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-06-24T08:28:31Z","title_canon_sha256":"adc098692e11c2cbb798e29a69230f764cbbbaadb0e53e27aac77bed6ae43822"},"schema_version":"1.0","source":{"id":"1306.5537","kind":"arxiv","version":1}},"canonical_sha256":"694bb24133e1a7a961d44e05ae0195b62415875e775a5dea11d8b424960e5390","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"694bb24133e1a7a961d44e05ae0195b62415875e775a5dea11d8b424960e5390","first_computed_at":"2026-05-18T03:20:07.682822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:07.682822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LdYN1kznW6BeTW5S0sZdIfNNaQ3DHW7Zbq7C+aNj77D0BVQkNx5LwE0V6xXOLQpOOMl+as7KGrYD09eRwyTsAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:07.683677Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5537","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4474d2accfdd6baadb772acbc8239f1de7f348095ca1fae5b1706624668969e6","sha256:2f192f3db9c45b61c9fedba872407210fa8581f6dfb8f618bfe1a99946d4e241"],"state_sha256":"386179d7afa5b3acdc46c7261a496fc7083d1bd86bbec207badf14715b181e19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JLN5LHHrYNfRQ8UsmjyuznhXQKGbleGVbY6eZ827PMnsQFSFoL0l/y540Xj2K3q0k/rgt9CBXB5bLcgJRDawBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T08:03:14.407440Z","bundle_sha256":"75b7d701438386924552fee54fb01c554d802c9b501125e0d9def36e3cd221dc"}}