{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EBTLXHXWK7WWTFKXA7IVMDF4N4","short_pith_number":"pith:EBTLXHXW","canonical_record":{"source":{"id":"1406.6349","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-24T19:40:20Z","cross_cats_sorted":[],"title_canon_sha256":"d1271649984f0fdbec5df45d0a458107eb61a530e6211cde6b1cd9914a407221","abstract_canon_sha256":"cb55e03c474a8af6176d493dff07752320d62861d5cf37c12bab8eb6fe0c7c20"},"schema_version":"1.0"},"canonical_sha256":"2066bb9ef657ed69955707d1560cbc6f0f54a0d97ae0a60eca240b8319355178","source":{"kind":"arxiv","id":"1406.6349","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6349","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6349v1","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6349","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"EBTLXHXWK7WW","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EBTLXHXWK7WWTFKX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EBTLXHXW","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EBTLXHXWK7WWTFKXA7IVMDF4N4","target":"record","payload":{"canonical_record":{"source":{"id":"1406.6349","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-24T19:40:20Z","cross_cats_sorted":[],"title_canon_sha256":"d1271649984f0fdbec5df45d0a458107eb61a530e6211cde6b1cd9914a407221","abstract_canon_sha256":"cb55e03c474a8af6176d493dff07752320d62861d5cf37c12bab8eb6fe0c7c20"},"schema_version":"1.0"},"canonical_sha256":"2066bb9ef657ed69955707d1560cbc6f0f54a0d97ae0a60eca240b8319355178","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:03.618470Z","signature_b64":"WpaNv/RUO1tXSohljmUI2dnX5ZyS0ZHdP0K+tXhhhLhYOTJ4bedSAmUND+LRd2SfCTpIYX7mIhJCJjpRvT2wDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2066bb9ef657ed69955707d1560cbc6f0f54a0d97ae0a60eca240b8319355178","last_reissued_at":"2026-05-18T02:49:03.617970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:03.617970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.6349","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":"2026-05-18T02:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LdRdOBRJoCEqXON5ZakPvbHo23Id1cqULTAyWYFG08aZb3w2ETuNY4Or7PR5xFM6RYgDH/kxzfEDOuPMhd9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T16:50:15.720460Z"},"content_sha256":"5a70b3ebb6236ac80219073c11e16c01e1b4a2b02ce06eb98290e01649be9e6b","schema_version":"1.0","event_id":"sha256:5a70b3ebb6236ac80219073c11e16c01e1b4a2b02ce06eb98290e01649be9e6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EBTLXHXWK7WWTFKXA7IVMDF4N4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A comment on \"Interlayer interactions in graphites\" [Chen et al., Sci. Rep. 3, 3046 (2013)]","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Sebastien Lebegue, Tim Gould, Tomas Bucko","submitted_at":"2014-06-24T19:40:20Z","abstract_excerpt":"Determining the material properties of layered systems like graphite and bigraphene from \\emph{ab initio} calculations is very difficult. This is mostly due to the complex van der Waals forces which help bind the layers. Recently, Chen~\\emph{et al.} [Chen et al., Sci. Rep. 3, 3046 (2013)] reported a novel approach for extracting geometry dependent energetic properties of general, layered graphitic systems from periodic graphite calculations on AA, AB and ABC graphite. Unfortunately, their analysis suffered from a number of technical and theoretical flaws which make their results unreliable for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6349","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":"2026-05-18T02:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"akRm+qJnZkSx7c0ItMHWkDS7FfZEiLYrh7orD4+XruDieKnrhiYVp+Hh1jPwEU62In7VIOUzQkXY+rgiNvxNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T16:50:15.720809Z"},"content_sha256":"47c88e137fc6590fbecc77aa16a21c16c00a86facce1c6976c5b4d8dfc3a4101","schema_version":"1.0","event_id":"sha256:47c88e137fc6590fbecc77aa16a21c16c00a86facce1c6976c5b4d8dfc3a4101"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/bundle.json","state_url":"https://pith.science/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/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":"2026-06-25T16:50:15Z","links":{"resolver":"https://pith.science/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4","bundle":"https://pith.science/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/bundle.json","state":"https://pith.science/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EBTLXHXWK7WWTFKXA7IVMDF4N4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EBTLXHXWK7WWTFKXA7IVMDF4N4","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":"cb55e03c474a8af6176d493dff07752320d62861d5cf37c12bab8eb6fe0c7c20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-24T19:40:20Z","title_canon_sha256":"d1271649984f0fdbec5df45d0a458107eb61a530e6211cde6b1cd9914a407221"},"schema_version":"1.0","source":{"id":"1406.6349","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6349","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6349v1","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6349","created_at":"2026-05-18T02:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"EBTLXHXWK7WW","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EBTLXHXWK7WWTFKX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EBTLXHXW","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:47c88e137fc6590fbecc77aa16a21c16c00a86facce1c6976c5b4d8dfc3a4101","target":"graph","created_at":"2026-05-18T02:49:03Z","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":"Determining the material properties of layered systems like graphite and bigraphene from \\emph{ab initio} calculations is very difficult. This is mostly due to the complex van der Waals forces which help bind the layers. Recently, Chen~\\emph{et al.} [Chen et al., Sci. Rep. 3, 3046 (2013)] reported a novel approach for extracting geometry dependent energetic properties of general, layered graphitic systems from periodic graphite calculations on AA, AB and ABC graphite. Unfortunately, their analysis suffered from a number of technical and theoretical flaws which make their results unreliable for","authors_text":"Sebastien Lebegue, Tim Gould, Tomas Bucko","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-24T19:40:20Z","title":"A comment on \"Interlayer interactions in graphites\" [Chen et al., Sci. Rep. 3, 3046 (2013)]"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6349","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":"sha256:5a70b3ebb6236ac80219073c11e16c01e1b4a2b02ce06eb98290e01649be9e6b","target":"record","created_at":"2026-05-18T02:49:03Z","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":"cb55e03c474a8af6176d493dff07752320d62861d5cf37c12bab8eb6fe0c7c20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-24T19:40:20Z","title_canon_sha256":"d1271649984f0fdbec5df45d0a458107eb61a530e6211cde6b1cd9914a407221"},"schema_version":"1.0","source":{"id":"1406.6349","kind":"arxiv","version":1}},"canonical_sha256":"2066bb9ef657ed69955707d1560cbc6f0f54a0d97ae0a60eca240b8319355178","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2066bb9ef657ed69955707d1560cbc6f0f54a0d97ae0a60eca240b8319355178","first_computed_at":"2026-05-18T02:49:03.617970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:03.617970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WpaNv/RUO1tXSohljmUI2dnX5ZyS0ZHdP0K+tXhhhLhYOTJ4bedSAmUND+LRd2SfCTpIYX7mIhJCJjpRvT2wDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:03.618470Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.6349","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a70b3ebb6236ac80219073c11e16c01e1b4a2b02ce06eb98290e01649be9e6b","sha256:47c88e137fc6590fbecc77aa16a21c16c00a86facce1c6976c5b4d8dfc3a4101"],"state_sha256":"be7021d9a4544eccf7d9a073462043f07a29f8128d7c59297cc128d2f8f7014b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sARjZFBAjSpoeztcHIjiyF2DInPmwoqpY4dwmfxSDipyNQ/+KJ/k4II3yUklwii4IduUQz6ROxucW2uUigTOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T16:50:15.725450Z","bundle_sha256":"a250e3a594bd9a2adf9775cb459c09aa01ad57a2e4f3f52a133523b581e643e7"}}