{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LKIOM4CKL6FOYAIIZLZSNNVKV5","short_pith_number":"pith:LKIOM4CK","canonical_record":{"source":{"id":"1607.02374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-08T14:13:11Z","cross_cats_sorted":[],"title_canon_sha256":"e6b9462650b941f7c81ed239d8e66c91e52a564514eecf8f9fb13703a612ccda","abstract_canon_sha256":"9878f58b1ca9005a89e929b4198f927b8dd88636ae39496a934f4ac0530c0353"},"schema_version":"1.0"},"canonical_sha256":"5a90e6704a5f8aec0108caf326b6aaaf49c3205006b900656190225ae33f1348","source":{"kind":"arxiv","id":"1607.02374","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02374","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02374v2","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02374","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"LKIOM4CKL6FO","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LKIOM4CKL6FOYAII","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LKIOM4CK","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LKIOM4CKL6FOYAIIZLZSNNVKV5","target":"record","payload":{"canonical_record":{"source":{"id":"1607.02374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-08T14:13:11Z","cross_cats_sorted":[],"title_canon_sha256":"e6b9462650b941f7c81ed239d8e66c91e52a564514eecf8f9fb13703a612ccda","abstract_canon_sha256":"9878f58b1ca9005a89e929b4198f927b8dd88636ae39496a934f4ac0530c0353"},"schema_version":"1.0"},"canonical_sha256":"5a90e6704a5f8aec0108caf326b6aaaf49c3205006b900656190225ae33f1348","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:27.314706Z","signature_b64":"f7sEJiW4+FrfdC0PPuPSqfpPCMqQF7zjN1gb2aPOe3k+b4k/NcaagqvBSxjBQBaOSNuv7S+4bCLslSVg3NssDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a90e6704a5f8aec0108caf326b6aaaf49c3205006b900656190225ae33f1348","last_reissued_at":"2026-05-18T01:04:27.314016Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:27.314016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.02374","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":"2026-05-18T01:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TTpzbxErArVr/RT37Y2vkABBSA6ahHUiyXxLZULd0V49xbiGHn7rJWsJnAMXF1m3ghEbZ3j4jsRRDRW9kYyHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:58:42.008592Z"},"content_sha256":"ed36861048baa51fa7289a94ed6ddb475ee5c9396c9c35471659d7f642bafeae","schema_version":"1.0","event_id":"sha256:ed36861048baa51fa7289a94ed6ddb475ee5c9396c9c35471659d7f642bafeae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LKIOM4CKL6FOYAIIZLZSNNVKV5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating terahertz quantum cascade lasers: Trends from samples from different labs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas Wacker, David O. Winge, Martin Francki\\'e","submitted_at":"2016-07-08T14:13:11Z","abstract_excerpt":"We present a systematic comparison of the results from our non-equilibrium Green's function formalism with a large number of AlGaAs-GaAs terahertz quantum cascade lasers previously published in the literature. Employing identical material and simulation parameters for all samples, we observe that discrepancies between measured and calculated peak currents are similar for samples from a given group. This suggests that the differences between experiment and theory are partly due to a lacking reproducibility for devices fabricated at different laboratories. Varying the interface roughness height "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02374","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":""},"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":"2026-05-18T01:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j33iOLU6vYSohnil5wAiPJqjO8IZO4KcvqDKUej77NomMW/tGmEfByU584cf8VGEXUBWLYPmpb6xod5kXUWgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:58:42.009485Z"},"content_sha256":"53d91c9c6278509c98e9511f5616986ffffbb436b5cda82101f98deced3bdf09","schema_version":"1.0","event_id":"sha256:53d91c9c6278509c98e9511f5616986ffffbb436b5cda82101f98deced3bdf09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/bundle.json","state_url":"https://pith.science/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/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":"2026-05-31T12:58:42Z","links":{"resolver":"https://pith.science/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5","bundle":"https://pith.science/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/bundle.json","state":"https://pith.science/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LKIOM4CKL6FOYAIIZLZSNNVKV5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LKIOM4CKL6FOYAIIZLZSNNVKV5","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":"9878f58b1ca9005a89e929b4198f927b8dd88636ae39496a934f4ac0530c0353","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-08T14:13:11Z","title_canon_sha256":"e6b9462650b941f7c81ed239d8e66c91e52a564514eecf8f9fb13703a612ccda"},"schema_version":"1.0","source":{"id":"1607.02374","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02374","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02374v2","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02374","created_at":"2026-05-18T01:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"LKIOM4CKL6FO","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LKIOM4CKL6FOYAII","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LKIOM4CK","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:53d91c9c6278509c98e9511f5616986ffffbb436b5cda82101f98deced3bdf09","target":"graph","created_at":"2026-05-18T01:04:27Z","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":"We present a systematic comparison of the results from our non-equilibrium Green's function formalism with a large number of AlGaAs-GaAs terahertz quantum cascade lasers previously published in the literature. Employing identical material and simulation parameters for all samples, we observe that discrepancies between measured and calculated peak currents are similar for samples from a given group. This suggests that the differences between experiment and theory are partly due to a lacking reproducibility for devices fabricated at different laboratories. Varying the interface roughness height ","authors_text":"Andreas Wacker, David O. Winge, Martin Francki\\'e","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-08T14:13:11Z","title":"Simulating terahertz quantum cascade lasers: Trends from samples from different labs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02374","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:ed36861048baa51fa7289a94ed6ddb475ee5c9396c9c35471659d7f642bafeae","target":"record","created_at":"2026-05-18T01:04:27Z","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":"9878f58b1ca9005a89e929b4198f927b8dd88636ae39496a934f4ac0530c0353","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-08T14:13:11Z","title_canon_sha256":"e6b9462650b941f7c81ed239d8e66c91e52a564514eecf8f9fb13703a612ccda"},"schema_version":"1.0","source":{"id":"1607.02374","kind":"arxiv","version":2}},"canonical_sha256":"5a90e6704a5f8aec0108caf326b6aaaf49c3205006b900656190225ae33f1348","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a90e6704a5f8aec0108caf326b6aaaf49c3205006b900656190225ae33f1348","first_computed_at":"2026-05-18T01:04:27.314016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:27.314016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f7sEJiW4+FrfdC0PPuPSqfpPCMqQF7zjN1gb2aPOe3k+b4k/NcaagqvBSxjBQBaOSNuv7S+4bCLslSVg3NssDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:27.314706Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.02374","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed36861048baa51fa7289a94ed6ddb475ee5c9396c9c35471659d7f642bafeae","sha256:53d91c9c6278509c98e9511f5616986ffffbb436b5cda82101f98deced3bdf09"],"state_sha256":"e3e2379b1e86006dcc76c4c416eb0c9f58fce9118506bc99b1b0436db0295bb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nM6wSlH+nO7FTN0BtTzOM/NRWZTD/gELSxhU8WIsokFaBKopiT/a0am7g3Fkzweasmjp23VKA47ZY3SEHApwAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:58:42.013962Z","bundle_sha256":"45549580314187b5ce40df00ad82bd2d9d090fec2abb733063f7c8a9144ceea8"}}