{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U6GXXKALBIZU3GLYU7I7INEFJL","short_pith_number":"pith:U6GXXKAL","canonical_record":{"source":{"id":"1808.06081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-18T12:40:10Z","cross_cats_sorted":[],"title_canon_sha256":"dc859a9bf4a2d6e866cc9f688e8480b540336f19a6e3c104ac3c1f67d7a488d5","abstract_canon_sha256":"6e1f44c3acaa7f278ef0612971572c6f9edcea57b2640c16b48abdb90be68f15"},"schema_version":"1.0"},"canonical_sha256":"a78d7ba80b0a334d9978a7d1f434854acc5fffad3655b48469bc77fe5a07b3ff","source":{"kind":"arxiv","id":"1808.06081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06081","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06081v1","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06081","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"pith_short_12","alias_value":"U6GXXKALBIZU","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U6GXXKALBIZU3GLY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U6GXXKAL","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U6GXXKALBIZU3GLYU7I7INEFJL","target":"record","payload":{"canonical_record":{"source":{"id":"1808.06081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-18T12:40:10Z","cross_cats_sorted":[],"title_canon_sha256":"dc859a9bf4a2d6e866cc9f688e8480b540336f19a6e3c104ac3c1f67d7a488d5","abstract_canon_sha256":"6e1f44c3acaa7f278ef0612971572c6f9edcea57b2640c16b48abdb90be68f15"},"schema_version":"1.0"},"canonical_sha256":"a78d7ba80b0a334d9978a7d1f434854acc5fffad3655b48469bc77fe5a07b3ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:46.155457Z","signature_b64":"faNcuChmmW8gdk4u/dpb5k8OwKYRBpCT7yg1f8HCF1ItJOJtw/KWi6a3iKov0sQFoz2BU9Tc1rHZS6radjX1Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a78d7ba80b0a334d9978a7d1f434854acc5fffad3655b48469bc77fe5a07b3ff","last_reissued_at":"2026-05-18T00:07:46.154757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:46.154757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.06081","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":"2026-05-18T00:07:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yUTZ/RlaktYlA+G7oA+eoL0v0mdxGzRztU2xM7UXh6DyOJcymif5e8pC6V3yVc7ooTxFVXB6wgfeDuKwWWyIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:07:44.308865Z"},"content_sha256":"dea5966921a51f97acb6b8e4452dd2995b7be184e8f59d1325a77b9ef55994cf","schema_version":"1.0","event_id":"sha256:dea5966921a51f97acb6b8e4452dd2995b7be184e8f59d1325a77b9ef55994cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U6GXXKALBIZU3GLYU7I7INEFJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Negative Photoconductance in van der Waals Heterostructures-Based Floating Gate Phototransistor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Anyuan Gao, Chen Pan, Chenyu Wang, Erfu Liu, Feng Miao, Junwen Zeng, Lili Zhang, Mingsheng Long, Shi-Jun Liang, Tianjun Cao, Weida Hu, Yu Wang","submitted_at":"2018-08-18T12:40:10Z","abstract_excerpt":"Van der Waals (vdW) heterostructures made of two-dimensional materials have been demonstrated to be versatile architectures for optoelectronic applications due to strong light-matter interactions. However, most of light-controlled phenomena and applications in the vdW heterostructures rely on positive photoconductance (PPC). Negative photoconductance (NPC) has not yet been reported in vdW heterostructures. Here we report the observation of the NPC in ReS2/h-BN/MoS2 vdW heterostructures-based floating gate phototransistor. The fabricated devices exhibit excellent performance of nonvolatile memo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06081","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":"2026-05-18T00:07:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rkioaYM6ur4fzR6SXyfkJIkgqnjLvaj36/Ey+xgGxT8S1srKWrx6GcmUNPbypmeVT5CfTHxXUyuzGly8gj8jBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:07:44.309491Z"},"content_sha256":"d14e54465bf460e7292e2301e9dbf0b490ab63ca7ae866795c2b1121dabf5240","schema_version":"1.0","event_id":"sha256:d14e54465bf460e7292e2301e9dbf0b490ab63ca7ae866795c2b1121dabf5240"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6GXXKALBIZU3GLYU7I7INEFJL/bundle.json","state_url":"https://pith.science/pith/U6GXXKALBIZU3GLYU7I7INEFJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6GXXKALBIZU3GLYU7I7INEFJL/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":"2026-05-27T00:07:44Z","links":{"resolver":"https://pith.science/pith/U6GXXKALBIZU3GLYU7I7INEFJL","bundle":"https://pith.science/pith/U6GXXKALBIZU3GLYU7I7INEFJL/bundle.json","state":"https://pith.science/pith/U6GXXKALBIZU3GLYU7I7INEFJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6GXXKALBIZU3GLYU7I7INEFJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U6GXXKALBIZU3GLYU7I7INEFJL","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":"6e1f44c3acaa7f278ef0612971572c6f9edcea57b2640c16b48abdb90be68f15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-18T12:40:10Z","title_canon_sha256":"dc859a9bf4a2d6e866cc9f688e8480b540336f19a6e3c104ac3c1f67d7a488d5"},"schema_version":"1.0","source":{"id":"1808.06081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06081","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06081v1","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06081","created_at":"2026-05-18T00:07:46Z"},{"alias_kind":"pith_short_12","alias_value":"U6GXXKALBIZU","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U6GXXKALBIZU3GLY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U6GXXKAL","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:d14e54465bf460e7292e2301e9dbf0b490ab63ca7ae866795c2b1121dabf5240","target":"graph","created_at":"2026-05-18T00:07:46Z","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":"Van der Waals (vdW) heterostructures made of two-dimensional materials have been demonstrated to be versatile architectures for optoelectronic applications due to strong light-matter interactions. However, most of light-controlled phenomena and applications in the vdW heterostructures rely on positive photoconductance (PPC). Negative photoconductance (NPC) has not yet been reported in vdW heterostructures. Here we report the observation of the NPC in ReS2/h-BN/MoS2 vdW heterostructures-based floating gate phototransistor. The fabricated devices exhibit excellent performance of nonvolatile memo","authors_text":"Anyuan Gao, Chen Pan, Chenyu Wang, Erfu Liu, Feng Miao, Junwen Zeng, Lili Zhang, Mingsheng Long, Shi-Jun Liang, Tianjun Cao, Weida Hu, Yu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-18T12:40:10Z","title":"Negative Photoconductance in van der Waals Heterostructures-Based Floating Gate Phototransistor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06081","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:dea5966921a51f97acb6b8e4452dd2995b7be184e8f59d1325a77b9ef55994cf","target":"record","created_at":"2026-05-18T00:07:46Z","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":"6e1f44c3acaa7f278ef0612971572c6f9edcea57b2640c16b48abdb90be68f15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-18T12:40:10Z","title_canon_sha256":"dc859a9bf4a2d6e866cc9f688e8480b540336f19a6e3c104ac3c1f67d7a488d5"},"schema_version":"1.0","source":{"id":"1808.06081","kind":"arxiv","version":1}},"canonical_sha256":"a78d7ba80b0a334d9978a7d1f434854acc5fffad3655b48469bc77fe5a07b3ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a78d7ba80b0a334d9978a7d1f434854acc5fffad3655b48469bc77fe5a07b3ff","first_computed_at":"2026-05-18T00:07:46.154757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:46.154757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"faNcuChmmW8gdk4u/dpb5k8OwKYRBpCT7yg1f8HCF1ItJOJtw/KWi6a3iKov0sQFoz2BU9Tc1rHZS6radjX1Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:46.155457Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.06081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dea5966921a51f97acb6b8e4452dd2995b7be184e8f59d1325a77b9ef55994cf","sha256:d14e54465bf460e7292e2301e9dbf0b490ab63ca7ae866795c2b1121dabf5240"],"state_sha256":"624dafc345d3a1350550e05d190ed2291870c1516bc796b63ec30c34fe25f8de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jTvBsFcIW6ItBgF8ZENw4GIULPuzw/alhMgmUn3QK7EENVQGKCV+4PzzjIe5QlU53PcqPjHuZKzQ5RGDA19wAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:07:44.313104Z","bundle_sha256":"bacd1002eff4666bc5ddac6a8d1118a9136c398f960d3ccc5bf34d239019a5df"}}