{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UCTLTYTHMRVJHAQHK4VNK5CYTT","short_pith_number":"pith:UCTLTYTH","canonical_record":{"source":{"id":"1701.01637","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-06T13:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"3156be7e34dbfee523e4fb0b03b83096207d0125d89df529079a0888573a2581","abstract_canon_sha256":"929b48c9008cac6dc637e41bcfac34678e412c9012485259efc3e375a658bc11"},"schema_version":"1.0"},"canonical_sha256":"a0a6b9e267646a938207572ad574589cc969b803082ab212f1214d2814b61aec","source":{"kind":"arxiv","id":"1701.01637","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01637","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01637v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01637","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"UCTLTYTHMRVJ","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UCTLTYTHMRVJHAQH","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UCTLTYTH","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UCTLTYTHMRVJHAQHK4VNK5CYTT","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01637","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-06T13:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"3156be7e34dbfee523e4fb0b03b83096207d0125d89df529079a0888573a2581","abstract_canon_sha256":"929b48c9008cac6dc637e41bcfac34678e412c9012485259efc3e375a658bc11"},"schema_version":"1.0"},"canonical_sha256":"a0a6b9e267646a938207572ad574589cc969b803082ab212f1214d2814b61aec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:55.853181Z","signature_b64":"KJaudhL4LZjL0hIYF7cx9LMSDmiTvbIcqZOyQkJVhSJ3G/2ohCDu8aG720hypUVZImuowXs5aY8CUOsHScVQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0a6b9e267646a938207572ad574589cc969b803082ab212f1214d2814b61aec","last_reissued_at":"2026-05-18T00:43:55.852677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:55.852677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01637","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6UytGO5GrAjPk00wtvO+m1J5UtlHLiajuS2CGpkX0KI23HZhxrRuu2YqShgd1otWQvr09iJsxBYxZdGXOirNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:44:02.453648Z"},"content_sha256":"07a19b9464aa7c82ca59a9a9f9707d2d94b4c05a8aad727614702d4714f8a709","schema_version":"1.0","event_id":"sha256:07a19b9464aa7c82ca59a9a9f9707d2d94b4c05a8aad727614702d4714f8a709"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UCTLTYTHMRVJHAQHK4VNK5CYTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin of the Counterintuitive Dynamic Charge in the Transition-Metal Dichalcogenides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Antoine Dewandre, Benoit Van Troeye, Matthieu J. Verstraete, Nicholas A. Pike, Xavier Gonze","submitted_at":"2017-01-06T13:55:47Z","abstract_excerpt":"We investigate the chemical bonding characteristics of the transition metal dichalcogenides based on their static and dynamical atomic charges within Density Functional Theory. The dynamical charges of the trigonal transition metal dichalcogenides are anomalously large, while in their hexagonal counterparts, their sign is even counterintuitive i.e. the transition metal takes the negative charge. This phenomenon cannot be understood simply in terms of a change in the static atomic charge as it results from a local change of polarization. We present our theoretical understanding of these phenome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01637","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"50aAzwRuVKFoPOWLpSWqgP/rJ4WO98m1jzjlFpi/xSn1fQcmX1nGw1NWHk7eYsNBInwWzW6LK13npeoV4JfBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:44:02.453998Z"},"content_sha256":"55b5708f71e5db2ba4e97ad4c37fb442ae51f60bcf52932dd800eecd9de2ca4d","schema_version":"1.0","event_id":"sha256:55b5708f71e5db2ba4e97ad4c37fb442ae51f60bcf52932dd800eecd9de2ca4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/bundle.json","state_url":"https://pith.science/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/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":"2026-06-01T05:44:02Z","links":{"resolver":"https://pith.science/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT","bundle":"https://pith.science/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/bundle.json","state":"https://pith.science/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UCTLTYTHMRVJHAQHK4VNK5CYTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UCTLTYTHMRVJHAQHK4VNK5CYTT","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":"929b48c9008cac6dc637e41bcfac34678e412c9012485259efc3e375a658bc11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-06T13:55:47Z","title_canon_sha256":"3156be7e34dbfee523e4fb0b03b83096207d0125d89df529079a0888573a2581"},"schema_version":"1.0","source":{"id":"1701.01637","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01637","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01637v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01637","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"UCTLTYTHMRVJ","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UCTLTYTHMRVJHAQH","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UCTLTYTH","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:55b5708f71e5db2ba4e97ad4c37fb442ae51f60bcf52932dd800eecd9de2ca4d","target":"graph","created_at":"2026-05-18T00:43:55Z","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 investigate the chemical bonding characteristics of the transition metal dichalcogenides based on their static and dynamical atomic charges within Density Functional Theory. The dynamical charges of the trigonal transition metal dichalcogenides are anomalously large, while in their hexagonal counterparts, their sign is even counterintuitive i.e. the transition metal takes the negative charge. This phenomenon cannot be understood simply in terms of a change in the static atomic charge as it results from a local change of polarization. We present our theoretical understanding of these phenome","authors_text":"Antoine Dewandre, Benoit Van Troeye, Matthieu J. Verstraete, Nicholas A. Pike, Xavier Gonze","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-06T13:55:47Z","title":"Origin of the Counterintuitive Dynamic Charge in the Transition-Metal Dichalcogenides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01637","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":"sha256:07a19b9464aa7c82ca59a9a9f9707d2d94b4c05a8aad727614702d4714f8a709","target":"record","created_at":"2026-05-18T00:43:55Z","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":"929b48c9008cac6dc637e41bcfac34678e412c9012485259efc3e375a658bc11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-06T13:55:47Z","title_canon_sha256":"3156be7e34dbfee523e4fb0b03b83096207d0125d89df529079a0888573a2581"},"schema_version":"1.0","source":{"id":"1701.01637","kind":"arxiv","version":2}},"canonical_sha256":"a0a6b9e267646a938207572ad574589cc969b803082ab212f1214d2814b61aec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0a6b9e267646a938207572ad574589cc969b803082ab212f1214d2814b61aec","first_computed_at":"2026-05-18T00:43:55.852677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:55.852677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KJaudhL4LZjL0hIYF7cx9LMSDmiTvbIcqZOyQkJVhSJ3G/2ohCDu8aG720hypUVZImuowXs5aY8CUOsHScVQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:55.853181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01637","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07a19b9464aa7c82ca59a9a9f9707d2d94b4c05a8aad727614702d4714f8a709","sha256:55b5708f71e5db2ba4e97ad4c37fb442ae51f60bcf52932dd800eecd9de2ca4d"],"state_sha256":"60406096f7221cac8a9becbf0598514ebfd7321e5292f0a24e147ae9a800aa41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymS83UCJiu3tBwar8cfvdQDXUHaX0EMGWgOp53L28k7G9/ADwSDnNrT0g2X68vTV+Q2eZW61nZSSw6h6MLriAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:44:02.456107Z","bundle_sha256":"94066c7c9f8bfcbe5467c9705bcf813b756dff31799d879aab2344feac1d67be"}}