{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:4UFWDEFBZQCBSZQUHMWDLAM5NO","short_pith_number":"pith:4UFWDEFB","canonical_record":{"source":{"id":"2004.00903","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T09:48:25Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"3cec2d810f8582eb6507f904ce925ba70b2f41f970571184e097b5fc23992e72","abstract_canon_sha256":"0a88b83b8bc7552d17bbac1debee4d805b5d488a716ac7d970bde347ed99aa06"},"schema_version":"1.0"},"canonical_sha256":"e50b6190a1cc041966143b2c35819d6bb61a84c2bcf8a9853a6d71a63cc63b56","source":{"kind":"arxiv","id":"2004.00903","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.00903","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"2004.00903v1","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.00903","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"4UFWDEFBZQCB","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_16","alias_value":"4UFWDEFBZQCBSZQU","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_8","alias_value":"4UFWDEFB","created_at":"2026-07-05T01:29:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:4UFWDEFBZQCBSZQUHMWDLAM5NO","target":"record","payload":{"canonical_record":{"source":{"id":"2004.00903","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T09:48:25Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"3cec2d810f8582eb6507f904ce925ba70b2f41f970571184e097b5fc23992e72","abstract_canon_sha256":"0a88b83b8bc7552d17bbac1debee4d805b5d488a716ac7d970bde347ed99aa06"},"schema_version":"1.0"},"canonical_sha256":"e50b6190a1cc041966143b2c35819d6bb61a84c2bcf8a9853a6d71a63cc63b56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:04.780741Z","signature_b64":"lO17QvPp3GNxhM/ZCmvGVdxILS6OebrcJuwv9qTWq1VJPl+JSqTNlfB8oOOS65z/lbgDSG8n73uZzKWd9tomCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e50b6190a1cc041966143b2c35819d6bb61a84c2bcf8a9853a6d71a63cc63b56","last_reissued_at":"2026-07-05T01:29:04.780345Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:04.780345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.00903","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":"2026-07-05T01:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TzS6bLXB+exgYuZH3du2JruahU14siI/gsZwqhr2eKvBOsB4vYnJyL/+2e7iPlax7TFCtj0bNwoqnDjl44TsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:15:41.064809Z"},"content_sha256":"21d670a8fe362e12703fa2fb0a6079b2b25104c0e1eea3852d8577e868795bd2","schema_version":"1.0","event_id":"sha256:21d670a8fe362e12703fa2fb0a6079b2b25104c0e1eea3852d8577e868795bd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:4UFWDEFBZQCBSZQUHMWDLAM5NO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron irradiation of metal contacts in monolayer MoS$_2$ Field-Effect Transistors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.app-ph","authors_text":"A. Di Bartolomeo, A. Grillo, A. Pelella, E. Pollmann, F. Giubileo, F. Urban, L. Iemmo, L. Madau{\\ss}, M. Passacantando, M. Schleberger, O. Kharsah, S. Sleziona","submitted_at":"2020-04-02T09:48:25Z","abstract_excerpt":"This work deals with the electron beam irradiation of the Schottky metal contacts in monolayer molybdenum disulfide (MoS$_2$) field-effect transistors (FETs). We show that the exposure of the Ti/Au source/drain leads to an electron beam improves the transistor conductance. We simulate the path of the electrons in the device and show that most of the beam energy is absorbed in the metal contacts. Hence, we propose that the transistor current enhancement is due to thermally induced interfacial reactions that lower the contact Schottky barriers. We also show that the electron beam conditioning of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.00903","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2004.00903/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":"2026-07-05T01:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g/hipG3OjmqFrw6X6D2oe/8G0ZORfY/V8DvMAYD0BrCA/gfMUIpEYSTL2Y7E1WwN4/nX50EHaG/kHHsbKb4pAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:15:41.065477Z"},"content_sha256":"678e9694419c8ae15028c1b1c83bd8582584af85c33a9dd7be9014e9c8bfb030","schema_version":"1.0","event_id":"sha256:678e9694419c8ae15028c1b1c83bd8582584af85c33a9dd7be9014e9c8bfb030"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/bundle.json","state_url":"https://pith.science/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/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":"2026-07-05T14:15:41Z","links":{"resolver":"https://pith.science/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO","bundle":"https://pith.science/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/bundle.json","state":"https://pith.science/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4UFWDEFBZQCBSZQUHMWDLAM5NO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:4UFWDEFBZQCBSZQUHMWDLAM5NO","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":"0a88b83b8bc7552d17bbac1debee4d805b5d488a716ac7d970bde347ed99aa06","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T09:48:25Z","title_canon_sha256":"3cec2d810f8582eb6507f904ce925ba70b2f41f970571184e097b5fc23992e72"},"schema_version":"1.0","source":{"id":"2004.00903","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.00903","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"2004.00903v1","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.00903","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"4UFWDEFBZQCB","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_16","alias_value":"4UFWDEFBZQCBSZQU","created_at":"2026-07-05T01:29:04Z"},{"alias_kind":"pith_short_8","alias_value":"4UFWDEFB","created_at":"2026-07-05T01:29:04Z"}],"graph_snapshots":[{"event_id":"sha256:678e9694419c8ae15028c1b1c83bd8582584af85c33a9dd7be9014e9c8bfb030","target":"graph","created_at":"2026-07-05T01:29:04Z","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/2004.00903/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work deals with the electron beam irradiation of the Schottky metal contacts in monolayer molybdenum disulfide (MoS$_2$) field-effect transistors (FETs). We show that the exposure of the Ti/Au source/drain leads to an electron beam improves the transistor conductance. We simulate the path of the electrons in the device and show that most of the beam energy is absorbed in the metal contacts. Hence, we propose that the transistor current enhancement is due to thermally induced interfacial reactions that lower the contact Schottky barriers. We also show that the electron beam conditioning of","authors_text":"A. Di Bartolomeo, A. Grillo, A. Pelella, E. Pollmann, F. Giubileo, F. Urban, L. Iemmo, L. Madau{\\ss}, M. Passacantando, M. Schleberger, O. Kharsah, S. Sleziona","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T09:48:25Z","title":"Electron irradiation of metal contacts in monolayer MoS$_2$ Field-Effect Transistors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.00903","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":"sha256:21d670a8fe362e12703fa2fb0a6079b2b25104c0e1eea3852d8577e868795bd2","target":"record","created_at":"2026-07-05T01:29:04Z","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":"0a88b83b8bc7552d17bbac1debee4d805b5d488a716ac7d970bde347ed99aa06","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T09:48:25Z","title_canon_sha256":"3cec2d810f8582eb6507f904ce925ba70b2f41f970571184e097b5fc23992e72"},"schema_version":"1.0","source":{"id":"2004.00903","kind":"arxiv","version":1}},"canonical_sha256":"e50b6190a1cc041966143b2c35819d6bb61a84c2bcf8a9853a6d71a63cc63b56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e50b6190a1cc041966143b2c35819d6bb61a84c2bcf8a9853a6d71a63cc63b56","first_computed_at":"2026-07-05T01:29:04.780345Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:04.780345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lO17QvPp3GNxhM/ZCmvGVdxILS6OebrcJuwv9qTWq1VJPl+JSqTNlfB8oOOS65z/lbgDSG8n73uZzKWd9tomCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:04.780741Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.00903","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21d670a8fe362e12703fa2fb0a6079b2b25104c0e1eea3852d8577e868795bd2","sha256:678e9694419c8ae15028c1b1c83bd8582584af85c33a9dd7be9014e9c8bfb030"],"state_sha256":"55d60e6506ed58bae4a21ed542513e64721cfa4e9998d79fc331381223d19973"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CweD680nBVzEv3aKsy/iFedZav7S9eqWpO8f0k/26TCH7Jp4m2K9ohVtqFmsOayAAat7QebclUcIN2nIwH+wAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:15:41.069055Z","bundle_sha256":"d1d970753560d0f3d956769e5dec6304ba48bf9b944f1f8232d4fd5c7d7310f3"}}