{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RM3O6Y5VOJ3B2XWRGF5W45VC5M","short_pith_number":"pith:RM3O6Y5V","canonical_record":{"source":{"id":"1511.03911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-12T14:51:09Z","cross_cats_sorted":[],"title_canon_sha256":"9977dd9ed326cf128280b15290c5c8d679d1114530124f8c19c4a6aaf9e657e0","abstract_canon_sha256":"a022487cec345d09e76c42c8697b3e58ba8d85ceeb0e41467cd6fa3efef0c653"},"schema_version":"1.0"},"canonical_sha256":"8b36ef63b572761d5ed1317b6e76a2eb295f562bc2c9f94468e120e7a6ee56c9","source":{"kind":"arxiv","id":"1511.03911","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03911","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03911v1","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03911","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"RM3O6Y5VOJ3B","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RM3O6Y5VOJ3B2XWR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RM3O6Y5V","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RM3O6Y5VOJ3B2XWRGF5W45VC5M","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-12T14:51:09Z","cross_cats_sorted":[],"title_canon_sha256":"9977dd9ed326cf128280b15290c5c8d679d1114530124f8c19c4a6aaf9e657e0","abstract_canon_sha256":"a022487cec345d09e76c42c8697b3e58ba8d85ceeb0e41467cd6fa3efef0c653"},"schema_version":"1.0"},"canonical_sha256":"8b36ef63b572761d5ed1317b6e76a2eb295f562bc2c9f94468e120e7a6ee56c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:26.353887Z","signature_b64":"41mSZO7E0L4Om78iLZR0X/GIt2wt2JS+UaSS3xRJEjf+gmWCbaGG47nw6ZPsTTmtZpBuaxU3nUQyhbSegXA2DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b36ef63b572761d5ed1317b6e76a2eb295f562bc2c9f94468e120e7a6ee56c9","last_reissued_at":"2026-05-18T00:59:26.353381Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:26.353381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03911","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":"2026-05-18T00:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ddg5mIhIgJhuYkbC0GLA/lkJr3TOuvTS5Ke4HNqjGl0wnr6MGjsspo3jyySNuzNIMYEaBqZ5aap03lEeypLgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T22:14:53.374656Z"},"content_sha256":"86ff6f5aab276fcaaeebee309b7ef72f44bfc307852ba3b7a3a7857369ac40e5","schema_version":"1.0","event_id":"sha256:86ff6f5aab276fcaaeebee309b7ef72f44bfc307852ba3b7a3a7857369ac40e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RM3O6Y5VOJ3B2XWRGF5W45VC5M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Second-order Green's function perturbation theory for periodic systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Alexander A. Rusakov, Dominika Zgid","submitted_at":"2015-11-12T14:51:09Z","abstract_excerpt":"Despite recent advances, systematic quantitative treatment of the electron correlation problem in extended systems remains a formidable task. Systematically improvable Green's function methods capable of quantitatively describing weak and at least qualitatively strong correlations appear promising candidates for computational treatment of periodic systems. We present a periodic implementation of temperature-dependent self-consistent 2nd-order Green's function method (GF2), where the self-energy is evaluated in the basis of atomic orbitals. Evaluating the real-space self-energy in atomic orbita"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03911","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":"2026-05-18T00:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LRl2+q11RVBtJetwUV+1LXhsHHMZkD/gPRJAecjDyVYEY8BzMIjEkzmbQmAuyzJrRn8+cLMGm+3gzotqXJuwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T22:14:53.375280Z"},"content_sha256":"cd1ff81394b0522785be06ef548a619df5b447da6bbf37126fd275b1c2a29319","schema_version":"1.0","event_id":"sha256:cd1ff81394b0522785be06ef548a619df5b447da6bbf37126fd275b1c2a29319"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/bundle.json","state_url":"https://pith.science/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/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":"2026-05-31T22:14:53Z","links":{"resolver":"https://pith.science/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M","bundle":"https://pith.science/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/bundle.json","state":"https://pith.science/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RM3O6Y5VOJ3B2XWRGF5W45VC5M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RM3O6Y5VOJ3B2XWRGF5W45VC5M","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":"a022487cec345d09e76c42c8697b3e58ba8d85ceeb0e41467cd6fa3efef0c653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-12T14:51:09Z","title_canon_sha256":"9977dd9ed326cf128280b15290c5c8d679d1114530124f8c19c4a6aaf9e657e0"},"schema_version":"1.0","source":{"id":"1511.03911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03911","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03911v1","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03911","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"RM3O6Y5VOJ3B","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RM3O6Y5VOJ3B2XWR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RM3O6Y5V","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:cd1ff81394b0522785be06ef548a619df5b447da6bbf37126fd275b1c2a29319","target":"graph","created_at":"2026-05-18T00:59:26Z","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":"Despite recent advances, systematic quantitative treatment of the electron correlation problem in extended systems remains a formidable task. Systematically improvable Green's function methods capable of quantitatively describing weak and at least qualitatively strong correlations appear promising candidates for computational treatment of periodic systems. We present a periodic implementation of temperature-dependent self-consistent 2nd-order Green's function method (GF2), where the self-energy is evaluated in the basis of atomic orbitals. Evaluating the real-space self-energy in atomic orbita","authors_text":"Alexander A. Rusakov, Dominika Zgid","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-12T14:51:09Z","title":"Second-order Green's function perturbation theory for periodic systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03911","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":"sha256:86ff6f5aab276fcaaeebee309b7ef72f44bfc307852ba3b7a3a7857369ac40e5","target":"record","created_at":"2026-05-18T00:59:26Z","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":"a022487cec345d09e76c42c8697b3e58ba8d85ceeb0e41467cd6fa3efef0c653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-12T14:51:09Z","title_canon_sha256":"9977dd9ed326cf128280b15290c5c8d679d1114530124f8c19c4a6aaf9e657e0"},"schema_version":"1.0","source":{"id":"1511.03911","kind":"arxiv","version":1}},"canonical_sha256":"8b36ef63b572761d5ed1317b6e76a2eb295f562bc2c9f94468e120e7a6ee56c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b36ef63b572761d5ed1317b6e76a2eb295f562bc2c9f94468e120e7a6ee56c9","first_computed_at":"2026-05-18T00:59:26.353381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:26.353381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"41mSZO7E0L4Om78iLZR0X/GIt2wt2JS+UaSS3xRJEjf+gmWCbaGG47nw6ZPsTTmtZpBuaxU3nUQyhbSegXA2DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:26.353887Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86ff6f5aab276fcaaeebee309b7ef72f44bfc307852ba3b7a3a7857369ac40e5","sha256:cd1ff81394b0522785be06ef548a619df5b447da6bbf37126fd275b1c2a29319"],"state_sha256":"328830aeca6b87354156776b4efd8e116d8b04640811851849e18996f2ab179f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rx96ZhKoT2aP5L1hdiOPX7aSh6KVe/QHkq8PDuLg3YHIDBLt9hKRBiqWSyJvijSleOFTlD1CL2oue1vORkORBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T22:14:53.378539Z","bundle_sha256":"3cc72833c758f5d493c6a1e26f4e494cdfff5f2958ee35233cc2763063bdfdff"}}