{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BQJIYPIUU7O5LTHFSTQBVKXF34","short_pith_number":"pith:BQJIYPIU","canonical_record":{"source":{"id":"1311.4983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"d4333e0ffed5cb755f5f109c54b160c10d357981c88432ff01baeb5d45543217","abstract_canon_sha256":"2489208881827a3ff8ca2641675cff7fa5ff08b5fd986979a1b28851b1a05b76"},"schema_version":"1.0"},"canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","source":{"kind":"arxiv","id":"1311.4983","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.4983","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.4983v1","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4983","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"BQJIYPIUU7O5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BQJIYPIUU7O5LTHF","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BQJIYPIU","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BQJIYPIUU7O5LTHFSTQBVKXF34","target":"record","payload":{"canonical_record":{"source":{"id":"1311.4983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"d4333e0ffed5cb755f5f109c54b160c10d357981c88432ff01baeb5d45543217","abstract_canon_sha256":"2489208881827a3ff8ca2641675cff7fa5ff08b5fd986979a1b28851b1a05b76"},"schema_version":"1.0"},"canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:06.372842Z","signature_b64":"GMzds3cDchUqKcLkhdeDr44ILcGveVHiqr37pog1Q3MBaJqFYMOb9FdxHmNvNwBsQ+9sBuS//OihN8jZZCkIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","last_reissued_at":"2026-05-18T02:57:06.372352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:06.372352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.4983","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":"2026-05-18T02:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iPVoQ9hccXG5JGYb5/0PsJhOUIP5vXhVci/PaboLZA4WHRazXM0JQ0VkJd0KCu87pZoeGVvsafbLtg/WV9DZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:53:26.869074Z"},"content_sha256":"d5596d0fe54a5fbeb9da9f8e16dc61dcfa2e0f33fae06d01264239ce257ec221","schema_version":"1.0","event_id":"sha256:d5596d0fe54a5fbeb9da9f8e16dc61dcfa2e0f33fae06d01264239ce257ec221"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BQJIYPIUU7O5LTHFSTQBVKXF34","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Van der Waals density functional study of the structural and electronic properties of La-doped phenanthrene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Hai-Qing Lin, Xun-Wang Yan, Zhongbing Huang","submitted_at":"2013-11-20T08:44:54Z","abstract_excerpt":"By the first principles calculations based on the van der Waals density functional theory, we study the crystal structures and electronic properties of La-doped phenanthrene. Two stable atomic geometries of La$_1$phenanthrene are obtained by relaxation of atomic positions from various initial structures. The structure-\\uppercase\\expandafter{\\romannumeral1} is a metal with two energy bands crossing the Fermi level, while the structure-\\uppercase\\expandafter{\\romannumeral2} displays a semiconducting state with an energy gap of 0.15 eV, which has an energy gain of 0.42 eV per unit cell compared t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4983","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":"2026-05-18T02:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h6Ap5c2ENfLV2FULKwqo3MsoDXtJOPF0QRfP7EruT1QNIQD3aJuH9p6v+PT9we+ovOrnqm/8J42JdhN6raxEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:53:26.869441Z"},"content_sha256":"22e8cd7a1acf04f19c9410b025eeda78ed94013a28c1c90d37ec92fa4fd687c1","schema_version":"1.0","event_id":"sha256:22e8cd7a1acf04f19c9410b025eeda78ed94013a28c1c90d37ec92fa4fd687c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/bundle.json","state_url":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/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":"2026-05-28T14:53:26Z","links":{"resolver":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34","bundle":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/bundle.json","state":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BQJIYPIUU7O5LTHFSTQBVKXF34","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":"2489208881827a3ff8ca2641675cff7fa5ff08b5fd986979a1b28851b1a05b76","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","title_canon_sha256":"d4333e0ffed5cb755f5f109c54b160c10d357981c88432ff01baeb5d45543217"},"schema_version":"1.0","source":{"id":"1311.4983","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.4983","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.4983v1","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4983","created_at":"2026-05-18T02:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"BQJIYPIUU7O5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BQJIYPIUU7O5LTHF","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BQJIYPIU","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:22e8cd7a1acf04f19c9410b025eeda78ed94013a28c1c90d37ec92fa4fd687c1","target":"graph","created_at":"2026-05-18T02:57:06Z","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":"By the first principles calculations based on the van der Waals density functional theory, we study the crystal structures and electronic properties of La-doped phenanthrene. Two stable atomic geometries of La$_1$phenanthrene are obtained by relaxation of atomic positions from various initial structures. The structure-\\uppercase\\expandafter{\\romannumeral1} is a metal with two energy bands crossing the Fermi level, while the structure-\\uppercase\\expandafter{\\romannumeral2} displays a semiconducting state with an energy gap of 0.15 eV, which has an energy gain of 0.42 eV per unit cell compared t","authors_text":"Hai-Qing Lin, Xun-Wang Yan, Zhongbing Huang","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","title":"Van der Waals density functional study of the structural and electronic properties of La-doped phenanthrene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4983","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:d5596d0fe54a5fbeb9da9f8e16dc61dcfa2e0f33fae06d01264239ce257ec221","target":"record","created_at":"2026-05-18T02:57:06Z","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":"2489208881827a3ff8ca2641675cff7fa5ff08b5fd986979a1b28851b1a05b76","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","title_canon_sha256":"d4333e0ffed5cb755f5f109c54b160c10d357981c88432ff01baeb5d45543217"},"schema_version":"1.0","source":{"id":"1311.4983","kind":"arxiv","version":1}},"canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","first_computed_at":"2026-05-18T02:57:06.372352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:06.372352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GMzds3cDchUqKcLkhdeDr44ILcGveVHiqr37pog1Q3MBaJqFYMOb9FdxHmNvNwBsQ+9sBuS//OihN8jZZCkIAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:06.372842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.4983","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5596d0fe54a5fbeb9da9f8e16dc61dcfa2e0f33fae06d01264239ce257ec221","sha256:22e8cd7a1acf04f19c9410b025eeda78ed94013a28c1c90d37ec92fa4fd687c1"],"state_sha256":"90517613a89c20554ad936a2b49271fd2ea3fe8b3608345caf143ed6087496c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oAJ3YkA++n/QLXp/P6nZExfTV6U39Ax1xSIOJDsh5pmBhX3CM6UVFo027dPwyCdAn1i1f7GSrmpaAFuULZvdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:53:26.871451Z","bundle_sha256":"087687bdfdf7490e96ebf26866f2b681fcd557ea64781dfb29080e96f03a397f"}}