{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6JYYSMMEBPVFAEIZ4GCQKAWVKB","short_pith_number":"pith:6JYYSMME","canonical_record":{"source":{"id":"1403.2968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-12T15:23:18Z","cross_cats_sorted":[],"title_canon_sha256":"870d8c68da71e97b23360168d8c622797f8e931c652a2e725e196ac1a916faa8","abstract_canon_sha256":"cbe9e73b7e44af784e1bf313028a1793fb1d6b1230e55c20c36c38de841f0f3d"},"schema_version":"1.0"},"canonical_sha256":"f2718931840bea501119e1850502d55068c62ad08633469e4ff93cc53cc045c1","source":{"kind":"arxiv","id":"1403.2968","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2968","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2968v2","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2968","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"pith_short_12","alias_value":"6JYYSMMEBPVF","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6JYYSMMEBPVFAEIZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6JYYSMME","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6JYYSMMEBPVFAEIZ4GCQKAWVKB","target":"record","payload":{"canonical_record":{"source":{"id":"1403.2968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-12T15:23:18Z","cross_cats_sorted":[],"title_canon_sha256":"870d8c68da71e97b23360168d8c622797f8e931c652a2e725e196ac1a916faa8","abstract_canon_sha256":"cbe9e73b7e44af784e1bf313028a1793fb1d6b1230e55c20c36c38de841f0f3d"},"schema_version":"1.0"},"canonical_sha256":"f2718931840bea501119e1850502d55068c62ad08633469e4ff93cc53cc045c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:43.721171Z","signature_b64":"0IDkh9nvDTQYCximdb4FlKotQMK1LEFdU0IsBDvQJEBpXW6E6+gwQeICVZJnUhobyrZy5kbmzPNf+Ij93jjqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2718931840bea501119e1850502d55068c62ad08633469e4ff93cc53cc045c1","last_reissued_at":"2026-05-18T01:22:43.720591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:43.720591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.2968","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":"2026-05-18T01:22:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ycirbu5sm0kweuJgIfQ8W4vSCWAKC2h4RMDuUNrQnwcsNPrxd8B6akgnjSsuG457HuaPcbZxYDgXLnddIvReAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:09:57.732112Z"},"content_sha256":"2ce7215a61117560fda86d4775c8b2d9458f2721d52f8d5b7b3a58dc2e3bb0fb","schema_version":"1.0","event_id":"sha256:2ce7215a61117560fda86d4775c8b2d9458f2721d52f8d5b7b3a58dc2e3bb0fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6JYYSMMEBPVFAEIZ4GCQKAWVKB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Many-body Green's function theory for electron-phonon interactions: ground state properties of the Holstein dimer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"H. Appel, N. S\\\"akkinen, R. van Leeuwen, Y. Peng","submitted_at":"2014-03-12T15:23:18Z","abstract_excerpt":"We study ground-state properties of a two-site, two-electron Holstein model describing two molecules coupled indirectly via electron-phonon interaction by using both exact diagonalization and self-consistent diagrammatic many-body perturbation theory. The Hartree and self-consistent Born approximations used in the present work are studied at different levels of self-consistency. The governing equations are shown to exhibit multiple solutions when the electron-phonon interaction is sufficiently strong whereas at smaller interactions only a single solution is found. The additional solutions at l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2968","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":"2026-05-18T01:22:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FUYKvxpNA91mPGznJ6hhpG65kQNkBTX0XF9WmfuQFwpivzSG8uDY6H7nnhthhOsTOugQgoCb+fxNoQSLPYleAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:09:57.732627Z"},"content_sha256":"f2388c69030af694868308e27819e448154942daf3f330b9b0e8e646e58d2dc8","schema_version":"1.0","event_id":"sha256:f2388c69030af694868308e27819e448154942daf3f330b9b0e8e646e58d2dc8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/bundle.json","state_url":"https://pith.science/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/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":"2026-05-24T22:09:57Z","links":{"resolver":"https://pith.science/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB","bundle":"https://pith.science/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/bundle.json","state":"https://pith.science/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6JYYSMMEBPVFAEIZ4GCQKAWVKB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6JYYSMMEBPVFAEIZ4GCQKAWVKB","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":"cbe9e73b7e44af784e1bf313028a1793fb1d6b1230e55c20c36c38de841f0f3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-12T15:23:18Z","title_canon_sha256":"870d8c68da71e97b23360168d8c622797f8e931c652a2e725e196ac1a916faa8"},"schema_version":"1.0","source":{"id":"1403.2968","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2968","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2968v2","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2968","created_at":"2026-05-18T01:22:43Z"},{"alias_kind":"pith_short_12","alias_value":"6JYYSMMEBPVF","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6JYYSMMEBPVFAEIZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6JYYSMME","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:f2388c69030af694868308e27819e448154942daf3f330b9b0e8e646e58d2dc8","target":"graph","created_at":"2026-05-18T01:22:43Z","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 study ground-state properties of a two-site, two-electron Holstein model describing two molecules coupled indirectly via electron-phonon interaction by using both exact diagonalization and self-consistent diagrammatic many-body perturbation theory. The Hartree and self-consistent Born approximations used in the present work are studied at different levels of self-consistency. The governing equations are shown to exhibit multiple solutions when the electron-phonon interaction is sufficiently strong whereas at smaller interactions only a single solution is found. The additional solutions at l","authors_text":"H. Appel, N. S\\\"akkinen, R. van Leeuwen, Y. Peng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-12T15:23:18Z","title":"Many-body Green's function theory for electron-phonon interactions: ground state properties of the Holstein dimer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2968","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":"sha256:2ce7215a61117560fda86d4775c8b2d9458f2721d52f8d5b7b3a58dc2e3bb0fb","target":"record","created_at":"2026-05-18T01:22:43Z","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":"cbe9e73b7e44af784e1bf313028a1793fb1d6b1230e55c20c36c38de841f0f3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-12T15:23:18Z","title_canon_sha256":"870d8c68da71e97b23360168d8c622797f8e931c652a2e725e196ac1a916faa8"},"schema_version":"1.0","source":{"id":"1403.2968","kind":"arxiv","version":2}},"canonical_sha256":"f2718931840bea501119e1850502d55068c62ad08633469e4ff93cc53cc045c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2718931840bea501119e1850502d55068c62ad08633469e4ff93cc53cc045c1","first_computed_at":"2026-05-18T01:22:43.720591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:43.720591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0IDkh9nvDTQYCximdb4FlKotQMK1LEFdU0IsBDvQJEBpXW6E6+gwQeICVZJnUhobyrZy5kbmzPNf+Ij93jjqAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:43.721171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.2968","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ce7215a61117560fda86d4775c8b2d9458f2721d52f8d5b7b3a58dc2e3bb0fb","sha256:f2388c69030af694868308e27819e448154942daf3f330b9b0e8e646e58d2dc8"],"state_sha256":"ae157afe9afe12d29a36fca3c2d742dd806a121966ca1ac2f3019bc997ed9e73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgIv/81E71bOY1o4j6kLnBOrvQz7vHiU1VvXRf00qrkckzjHSTpelZ6Ymh3IKBND8vq32i+PWeNlCa5RwSi3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T22:09:57.735815Z","bundle_sha256":"7734fe6371717c9d635bd52ea04fbcd36d1cd91de61c26e104f16ad93d670f2c"}}