{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TLHPPESQF4GPG4E5DHDZP2FBCS","short_pith_number":"pith:TLHPPESQ","canonical_record":{"source":{"id":"1901.10011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-28T21:50:26Z","cross_cats_sorted":[],"title_canon_sha256":"350f4cfab813ffb5f9394dc7b2eda7a076b645f59fe1cc56f8f396b15b4246ca","abstract_canon_sha256":"75e7ba5e81dfc5d17f955fbb42067dad3ab9330372903ceb95a2f8a64aecfdbd"},"schema_version":"1.0"},"canonical_sha256":"9acef792502f0cf3709d19c797e8a114b259ab4f2b001ab231d835f4f2b4ded5","source":{"kind":"arxiv","id":"1901.10011","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.10011","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"1901.10011v2","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10011","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"TLHPPESQF4GP","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"TLHPPESQF4GPG4E5","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"TLHPPESQ","created_at":"2026-07-05T00:05:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TLHPPESQF4GPG4E5DHDZP2FBCS","target":"record","payload":{"canonical_record":{"source":{"id":"1901.10011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-28T21:50:26Z","cross_cats_sorted":[],"title_canon_sha256":"350f4cfab813ffb5f9394dc7b2eda7a076b645f59fe1cc56f8f396b15b4246ca","abstract_canon_sha256":"75e7ba5e81dfc5d17f955fbb42067dad3ab9330372903ceb95a2f8a64aecfdbd"},"schema_version":"1.0"},"canonical_sha256":"9acef792502f0cf3709d19c797e8a114b259ab4f2b001ab231d835f4f2b4ded5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:05:44.642471Z","signature_b64":"j6hCx/MStYoOpodyD3xoQS84MTdzXuZ3gLS+TKR6qi47/wSYJZCdVmJa2wBfUvtI2TGkhkJRGVIUtf9TLKpuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9acef792502f0cf3709d19c797e8a114b259ab4f2b001ab231d835f4f2b4ded5","last_reissued_at":"2026-07-05T00:05:44.641997Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:05:44.641997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.10011","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GrjiNIohr0rZKnk9+m8HcA/jy0T5q6d6L1aWJdmzDsoLDMRZhoyafSkvi/wm9lWt7c71h8quxKA9YWnWIYxCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T02:46:48.754244Z"},"content_sha256":"6d3be3d224d3e427ed35d55a3271b0870cac0080739e57e9ac9d83bb2d0ec7f1","schema_version":"1.0","event_id":"sha256:6d3be3d224d3e427ed35d55a3271b0870cac0080739e57e9ac9d83bb2d0ec7f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TLHPPESQF4GPG4E5DHDZP2FBCS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modification of spintronic terahertz emitter performance through defect engineering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander Brodyanski, Dennis M. Nenno, Dominik Sokoluk, Evangelos Th. Papaioannou, Garik Torosyan, Hans C. Schneider, J\\\"org Losch, Laura Scheuer, Marco Battiato, Marco Rahm, Rene Beigang, Rolf H. Binder, Sascha Keller","submitted_at":"2019-01-28T21:50:26Z","abstract_excerpt":"Spintronic ferromagnetic/non-magnetic heterostructures are novel sources for the generation of THz radiation based on spin-to-charge conversion in the layers. The key technological and scientific challenge of THz spintronic emitters is to increase their intensity and frequency bandwidth. Our work reveals the factors to engineer spintronic Terahertz generation by introducing the scattering lifetime and the interface transmission for spin polarized, non-equilibrium electrons. We clarify the influence of the electron-defect scattering lifetime on the spectral shape and the interface transmission "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10011","kind":"arxiv","version":2},"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/1901.10011/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":"2026-07-05T00:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2k8dR/acmnQGBKjqBA+UOywr2UNIh3UXr5bzYqI/k4ihQqBuq0RfPFCwGA3Mky81nlf94wtEpTidezEhuksWCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T02:46:48.754636Z"},"content_sha256":"d41006415d9cee989b3cb7f07695b59b6c2c72c8fe36a4ea33dcff110a857d3d","schema_version":"1.0","event_id":"sha256:d41006415d9cee989b3cb7f07695b59b6c2c72c8fe36a4ea33dcff110a857d3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/bundle.json","state_url":"https://pith.science/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/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":"2026-07-25T02:46:48Z","links":{"resolver":"https://pith.science/pith/TLHPPESQF4GPG4E5DHDZP2FBCS","bundle":"https://pith.science/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/bundle.json","state":"https://pith.science/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TLHPPESQF4GPG4E5DHDZP2FBCS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TLHPPESQF4GPG4E5DHDZP2FBCS","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":"75e7ba5e81dfc5d17f955fbb42067dad3ab9330372903ceb95a2f8a64aecfdbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-28T21:50:26Z","title_canon_sha256":"350f4cfab813ffb5f9394dc7b2eda7a076b645f59fe1cc56f8f396b15b4246ca"},"schema_version":"1.0","source":{"id":"1901.10011","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.10011","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"1901.10011v2","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10011","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"TLHPPESQF4GP","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"TLHPPESQF4GPG4E5","created_at":"2026-07-05T00:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"TLHPPESQ","created_at":"2026-07-05T00:05:44Z"}],"graph_snapshots":[{"event_id":"sha256:d41006415d9cee989b3cb7f07695b59b6c2c72c8fe36a4ea33dcff110a857d3d","target":"graph","created_at":"2026-07-05T00:05:44Z","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/1901.10011/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spintronic ferromagnetic/non-magnetic heterostructures are novel sources for the generation of THz radiation based on spin-to-charge conversion in the layers. The key technological and scientific challenge of THz spintronic emitters is to increase their intensity and frequency bandwidth. Our work reveals the factors to engineer spintronic Terahertz generation by introducing the scattering lifetime and the interface transmission for spin polarized, non-equilibrium electrons. We clarify the influence of the electron-defect scattering lifetime on the spectral shape and the interface transmission ","authors_text":"Alexander Brodyanski, Dennis M. Nenno, Dominik Sokoluk, Evangelos Th. Papaioannou, Garik Torosyan, Hans C. Schneider, J\\\"org Losch, Laura Scheuer, Marco Battiato, Marco Rahm, Rene Beigang, Rolf H. Binder, Sascha Keller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-28T21:50:26Z","title":"Modification of spintronic terahertz emitter performance through defect engineering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10011","kind":"arxiv","version":2},"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":"sha256:6d3be3d224d3e427ed35d55a3271b0870cac0080739e57e9ac9d83bb2d0ec7f1","target":"record","created_at":"2026-07-05T00:05:44Z","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":"75e7ba5e81dfc5d17f955fbb42067dad3ab9330372903ceb95a2f8a64aecfdbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-28T21:50:26Z","title_canon_sha256":"350f4cfab813ffb5f9394dc7b2eda7a076b645f59fe1cc56f8f396b15b4246ca"},"schema_version":"1.0","source":{"id":"1901.10011","kind":"arxiv","version":2}},"canonical_sha256":"9acef792502f0cf3709d19c797e8a114b259ab4f2b001ab231d835f4f2b4ded5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9acef792502f0cf3709d19c797e8a114b259ab4f2b001ab231d835f4f2b4ded5","first_computed_at":"2026-07-05T00:05:44.641997Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:05:44.641997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j6hCx/MStYoOpodyD3xoQS84MTdzXuZ3gLS+TKR6qi47/wSYJZCdVmJa2wBfUvtI2TGkhkJRGVIUtf9TLKpuAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:05:44.642471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.10011","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d3be3d224d3e427ed35d55a3271b0870cac0080739e57e9ac9d83bb2d0ec7f1","sha256:d41006415d9cee989b3cb7f07695b59b6c2c72c8fe36a4ea33dcff110a857d3d"],"state_sha256":"e5b68aba29f1870a1f7b262e0101c56d3445bb5fe0dba458eaab65d450a3bbda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxOyAk/cxic/DZjzvp6TZRhhweWYfFDMZawlPFcFJHHQp/CWZ5W+uSEAm9CrxbbrgcrDpY+yfJ9TbbAmgKZJCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T02:46:48.756817Z","bundle_sha256":"4c45e6d1e8fa0869a27c223a97934d85fdc741cdcf969b7c1a5a4697b64c4c0a"}}