{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DEEC4DO6SYE23HP22JHAZJI3BS","short_pith_number":"pith:DEEC4DO6","canonical_record":{"source":{"id":"1905.04786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-12T20:27:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5f67304dcc6e7e4743343befa996f0638c36ba2c60ecf19a90e83559213ad466","abstract_canon_sha256":"e9408f8b1812f83229f0c74f39424f595df84a1b72f6f33b4ac4190eee698587"},"schema_version":"1.0"},"canonical_sha256":"19082e0dde9609ad9dfad24e0ca51b0c86e946355b8183ca94eff0f2b5b69472","source":{"kind":"arxiv","id":"1905.04786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04786","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04786v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04786","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"DEEC4DO6SYE2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DEEC4DO6SYE23HP2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DEEC4DO6","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DEEC4DO6SYE23HP22JHAZJI3BS","target":"record","payload":{"canonical_record":{"source":{"id":"1905.04786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-12T20:27:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5f67304dcc6e7e4743343befa996f0638c36ba2c60ecf19a90e83559213ad466","abstract_canon_sha256":"e9408f8b1812f83229f0c74f39424f595df84a1b72f6f33b4ac4190eee698587"},"schema_version":"1.0"},"canonical_sha256":"19082e0dde9609ad9dfad24e0ca51b0c86e946355b8183ca94eff0f2b5b69472","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:43.689225Z","signature_b64":"av2/CGo37uNt7Ic+p8NFlQx91xzyR1jq/6fraHOKMoeeTz+HonTIxqu5M0OKn5ZM/+O9cvIW+SvADIN7UO3kDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19082e0dde9609ad9dfad24e0ca51b0c86e946355b8183ca94eff0f2b5b69472","last_reissued_at":"2026-05-17T23:39:43.688308Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:43.688308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.04786","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CTKIBYpEQf/oXDXrL+wb6ZlkPlakXo4Ij7/2C6OUWGvV6z7rgcKMre+2sE29NUicX/1e+W8y5LCXrHWA1wesDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:55:01.792163Z"},"content_sha256":"002a5de7d0bdc4793a5ce3288c26ecfa04063e2743c808feb1917d4f5fe0a1d7","schema_version":"1.0","event_id":"sha256:002a5de7d0bdc4793a5ce3288c26ecfa04063e2743c808feb1917d4f5fe0a1d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DEEC4DO6SYE23HP22JHAZJI3BS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superinjection of holes in homojunction diodes based on wide-bandgap semiconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"Dmitry Yu. Fedyanin, Igor A. Khramtsov","submitted_at":"2019-05-12T20:27:03Z","abstract_excerpt":"Electrically driven light sources are essential in a wide range of applications, from indication and display technologies to high-speed data communication and quantum information processing. Wide-bandgap semiconductors promise to advance solid-state lighting by delivering novel light sources. However, electrical pumping of these devices is still a challenging problem. Many wide-bandgap semiconductor materials, such as SiC, GaN, AlN, ZnS, and Ga2O3, can be easily doped n-type, but their efficient p-type doping is extremely difficult. The lack of holes due to the high activation energy of accept"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04786","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w5OSM04aNsYZfw5GbZ9Ou0i46EbwnOOQ9CEMTkqsQiv/DLnvQg5ZgS7jItCtdNe3JGYtKu+PJMWKST3vB/kCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:55:01.792752Z"},"content_sha256":"fa6465380b2b7b98fbc76d57f7511300f477fab08da5dfe51d80cfda58e9211e","schema_version":"1.0","event_id":"sha256:fa6465380b2b7b98fbc76d57f7511300f477fab08da5dfe51d80cfda58e9211e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DEEC4DO6SYE23HP22JHAZJI3BS/bundle.json","state_url":"https://pith.science/pith/DEEC4DO6SYE23HP22JHAZJI3BS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DEEC4DO6SYE23HP22JHAZJI3BS/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":"2026-06-09T14:55:01Z","links":{"resolver":"https://pith.science/pith/DEEC4DO6SYE23HP22JHAZJI3BS","bundle":"https://pith.science/pith/DEEC4DO6SYE23HP22JHAZJI3BS/bundle.json","state":"https://pith.science/pith/DEEC4DO6SYE23HP22JHAZJI3BS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DEEC4DO6SYE23HP22JHAZJI3BS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DEEC4DO6SYE23HP22JHAZJI3BS","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":"e9408f8b1812f83229f0c74f39424f595df84a1b72f6f33b4ac4190eee698587","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-12T20:27:03Z","title_canon_sha256":"5f67304dcc6e7e4743343befa996f0638c36ba2c60ecf19a90e83559213ad466"},"schema_version":"1.0","source":{"id":"1905.04786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04786","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04786v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04786","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"DEEC4DO6SYE2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DEEC4DO6SYE23HP2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DEEC4DO6","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:fa6465380b2b7b98fbc76d57f7511300f477fab08da5dfe51d80cfda58e9211e","target":"graph","created_at":"2026-05-17T23:39:43Z","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":"Electrically driven light sources are essential in a wide range of applications, from indication and display technologies to high-speed data communication and quantum information processing. Wide-bandgap semiconductors promise to advance solid-state lighting by delivering novel light sources. However, electrical pumping of these devices is still a challenging problem. Many wide-bandgap semiconductor materials, such as SiC, GaN, AlN, ZnS, and Ga2O3, can be easily doped n-type, but their efficient p-type doping is extremely difficult. The lack of holes due to the high activation energy of accept","authors_text":"Dmitry Yu. Fedyanin, Igor A. Khramtsov","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-12T20:27:03Z","title":"Superinjection of holes in homojunction diodes based on wide-bandgap semiconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04786","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":"sha256:002a5de7d0bdc4793a5ce3288c26ecfa04063e2743c808feb1917d4f5fe0a1d7","target":"record","created_at":"2026-05-17T23:39:43Z","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":"e9408f8b1812f83229f0c74f39424f595df84a1b72f6f33b4ac4190eee698587","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-12T20:27:03Z","title_canon_sha256":"5f67304dcc6e7e4743343befa996f0638c36ba2c60ecf19a90e83559213ad466"},"schema_version":"1.0","source":{"id":"1905.04786","kind":"arxiv","version":1}},"canonical_sha256":"19082e0dde9609ad9dfad24e0ca51b0c86e946355b8183ca94eff0f2b5b69472","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19082e0dde9609ad9dfad24e0ca51b0c86e946355b8183ca94eff0f2b5b69472","first_computed_at":"2026-05-17T23:39:43.688308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:43.688308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"av2/CGo37uNt7Ic+p8NFlQx91xzyR1jq/6fraHOKMoeeTz+HonTIxqu5M0OKn5ZM/+O9cvIW+SvADIN7UO3kDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:43.689225Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:002a5de7d0bdc4793a5ce3288c26ecfa04063e2743c808feb1917d4f5fe0a1d7","sha256:fa6465380b2b7b98fbc76d57f7511300f477fab08da5dfe51d80cfda58e9211e"],"state_sha256":"034545e8a8cb5ab7153c020a1b1b2b7bc78b75015ad62d6f5f4aa91edfb0b62e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WgSx9RikIHmh0FUGWKEjtkzGN/zzfuzUk+zYZKxtfPE/RgRmqEMe7v/XFO4kgrkGZDlrvvd/XytO6whOSlXjBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T14:55:01.795332Z","bundle_sha256":"2875611020e95826d91e16b1c7069f0c17888615924ee40b7201ed6d0cfda0b9"}}