{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FGKGST4RSHPURTQTJYPAORFAGP","short_pith_number":"pith:FGKGST4R","canonical_record":{"source":{"id":"1803.10009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-03-27T10:46:47Z","cross_cats_sorted":[],"title_canon_sha256":"65574bb116cbf9022879bfe9d78a14cbc0f306aafe6ae3b29f970b667111a164","abstract_canon_sha256":"c281cef00e09c01086185cb851383c8645172e0c23eaddbd92e28975a36e682e"},"schema_version":"1.0"},"canonical_sha256":"2994694f9191df48ce134e1e0744a033cb22382f8ebbc432dcfa873adac004a9","source":{"kind":"arxiv","id":"1803.10009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10009","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10009v1","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10009","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"FGKGST4RSHPU","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FGKGST4RSHPURTQT","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FGKGST4R","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FGKGST4RSHPURTQTJYPAORFAGP","target":"record","payload":{"canonical_record":{"source":{"id":"1803.10009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-03-27T10:46:47Z","cross_cats_sorted":[],"title_canon_sha256":"65574bb116cbf9022879bfe9d78a14cbc0f306aafe6ae3b29f970b667111a164","abstract_canon_sha256":"c281cef00e09c01086185cb851383c8645172e0c23eaddbd92e28975a36e682e"},"schema_version":"1.0"},"canonical_sha256":"2994694f9191df48ce134e1e0744a033cb22382f8ebbc432dcfa873adac004a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:23.416488Z","signature_b64":"9fTZkGaEZhU+0OIqHv8wh2SxZ0ySN1Ftws8kzhu2rJslebGt3oZCGYYquRQbpmL/KR4cQ4hrZlF70NB9cKpECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2994694f9191df48ce134e1e0744a033cb22382f8ebbc432dcfa873adac004a9","last_reissued_at":"2026-05-18T00:01:23.416031Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:23.416031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.10009","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":"2026-05-18T00:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gtdRh8MUcQ4e4C2AAaNJ2yxUu9o1x8+zgknL4z2qdv6d5TFoSB8kyM8TkctqTn5PtJb1cFEkcM5Xpyz7NcXxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:26:05.768868Z"},"content_sha256":"dafae46a1f7011b4a820955bdc21a5bb007a091c7c1b539f2166bb0252f27a4a","schema_version":"1.0","event_id":"sha256:dafae46a1f7011b4a820955bdc21a5bb007a091c7c1b539f2166bb0252f27a4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FGKGST4RSHPURTQTJYPAORFAGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electrical-equivalent van der Waals gap for 2D bilayers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Dhirendra Vaidya, Saurabh Lodha, Swaroop Ganguly","submitted_at":"2018-03-27T10:46:47Z","abstract_excerpt":"Vertical stacks of two-dimensional (2D) materials, separated by the van der Waals gap and held together by the van der Waals forces, are immensely promising for a plethora of nanotechnological applications. Charge control in these stacks may be modeled using either a simple electrostatics approach or a detailed atomistic one. In this paper, we compare these approaches for a gated 2D transition metal dichalcogenide bilayer and show that recently reported electrostatics-based models of this system give large errors in band energy compared to atomistic (Density Functional Theory) simulations. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10009","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":"2026-05-18T00:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4UrO4jiMFePYpla4DxG0zNjmO9EERFI5m16LtS39ZHASJvFexpDCxBNTTgZ05kjHEHWlYQm2gqkuErgimP5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:26:05.769504Z"},"content_sha256":"5592ecff09c5eaed3f270dc5140dfea77fe386e47c79c091a03b03716dd9df10","schema_version":"1.0","event_id":"sha256:5592ecff09c5eaed3f270dc5140dfea77fe386e47c79c091a03b03716dd9df10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FGKGST4RSHPURTQTJYPAORFAGP/bundle.json","state_url":"https://pith.science/pith/FGKGST4RSHPURTQTJYPAORFAGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FGKGST4RSHPURTQTJYPAORFAGP/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":"2026-05-28T15:26:05Z","links":{"resolver":"https://pith.science/pith/FGKGST4RSHPURTQTJYPAORFAGP","bundle":"https://pith.science/pith/FGKGST4RSHPURTQTJYPAORFAGP/bundle.json","state":"https://pith.science/pith/FGKGST4RSHPURTQTJYPAORFAGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FGKGST4RSHPURTQTJYPAORFAGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FGKGST4RSHPURTQTJYPAORFAGP","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":"c281cef00e09c01086185cb851383c8645172e0c23eaddbd92e28975a36e682e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-03-27T10:46:47Z","title_canon_sha256":"65574bb116cbf9022879bfe9d78a14cbc0f306aafe6ae3b29f970b667111a164"},"schema_version":"1.0","source":{"id":"1803.10009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10009","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10009v1","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10009","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"FGKGST4RSHPU","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FGKGST4RSHPURTQT","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FGKGST4R","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:5592ecff09c5eaed3f270dc5140dfea77fe386e47c79c091a03b03716dd9df10","target":"graph","created_at":"2026-05-18T00:01:23Z","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":"Vertical stacks of two-dimensional (2D) materials, separated by the van der Waals gap and held together by the van der Waals forces, are immensely promising for a plethora of nanotechnological applications. Charge control in these stacks may be modeled using either a simple electrostatics approach or a detailed atomistic one. In this paper, we compare these approaches for a gated 2D transition metal dichalcogenide bilayer and show that recently reported electrostatics-based models of this system give large errors in band energy compared to atomistic (Density Functional Theory) simulations. The","authors_text":"Dhirendra Vaidya, Saurabh Lodha, Swaroop Ganguly","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-03-27T10:46:47Z","title":"Electrical-equivalent van der Waals gap for 2D bilayers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10009","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:dafae46a1f7011b4a820955bdc21a5bb007a091c7c1b539f2166bb0252f27a4a","target":"record","created_at":"2026-05-18T00:01:23Z","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":"c281cef00e09c01086185cb851383c8645172e0c23eaddbd92e28975a36e682e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-03-27T10:46:47Z","title_canon_sha256":"65574bb116cbf9022879bfe9d78a14cbc0f306aafe6ae3b29f970b667111a164"},"schema_version":"1.0","source":{"id":"1803.10009","kind":"arxiv","version":1}},"canonical_sha256":"2994694f9191df48ce134e1e0744a033cb22382f8ebbc432dcfa873adac004a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2994694f9191df48ce134e1e0744a033cb22382f8ebbc432dcfa873adac004a9","first_computed_at":"2026-05-18T00:01:23.416031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:23.416031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9fTZkGaEZhU+0OIqHv8wh2SxZ0ySN1Ftws8kzhu2rJslebGt3oZCGYYquRQbpmL/KR4cQ4hrZlF70NB9cKpECQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:23.416488Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.10009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dafae46a1f7011b4a820955bdc21a5bb007a091c7c1b539f2166bb0252f27a4a","sha256:5592ecff09c5eaed3f270dc5140dfea77fe386e47c79c091a03b03716dd9df10"],"state_sha256":"ff8329a93ca2ded4e4ff1b6b4d8375566bf775e723ae1856db3d9a6196908671"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PPJg4wwKoQuzs+P+9ZA7LvlDDm3+2lviKiwvFdqh9nWalqhTB4+QblUchxHJmhNGPmO6ytNvo7ZDgE3flj98Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:26:05.772184Z","bundle_sha256":"179ee9a85115cffa3f34d1ba5b42f6c5c8517975888ae1e0cbd424a826238545"}}