{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VWRVZNA6CB4HBPFAB23UOYX4MW","short_pith_number":"pith:VWRVZNA6","canonical_record":{"source":{"id":"1409.0094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-08-30T09:07:06Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"560f6a20503bf9bf494313096c7a44355a45cd979a4f622e15dd88041ba9b18e","abstract_canon_sha256":"519eda51ae6872c98740bc40710179a0a2dae1f4fec6e074341831eee7020382"},"schema_version":"1.0"},"canonical_sha256":"ada35cb41e107870bca00eb74762fc65a817d1ff389b3bb49ceae20fd9230b45","source":{"kind":"arxiv","id":"1409.0094","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0094","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0094v1","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0094","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"pith_short_12","alias_value":"VWRVZNA6CB4H","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VWRVZNA6CB4HBPFA","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VWRVZNA6","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VWRVZNA6CB4HBPFAB23UOYX4MW","target":"record","payload":{"canonical_record":{"source":{"id":"1409.0094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-08-30T09:07:06Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"560f6a20503bf9bf494313096c7a44355a45cd979a4f622e15dd88041ba9b18e","abstract_canon_sha256":"519eda51ae6872c98740bc40710179a0a2dae1f4fec6e074341831eee7020382"},"schema_version":"1.0"},"canonical_sha256":"ada35cb41e107870bca00eb74762fc65a817d1ff389b3bb49ceae20fd9230b45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:53.390218Z","signature_b64":"SF5iozK0JtOr9QrwDIpGx/OPGs5KzHA5jf6Peztq+5nHboz+NtAcqXN9zQfCR+ZfU+OBYlgRa5GQB7Jqo5BbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ada35cb41e107870bca00eb74762fc65a817d1ff389b3bb49ceae20fd9230b45","last_reissued_at":"2026-05-18T02:43:53.389846Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:53.389846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.0094","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":"2026-05-18T02:43:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/sh1D3NBcL5YUm+9W5J77HY41w1HwKdWRWKY0suGNbjHuvmsin3gY0aScCX4TeXRlGe48nr5qY4FAsg8M0uBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T11:46:34.567378Z"},"content_sha256":"13d086d6bb7068219cecb7ca91d53fd4ad46e0f116558059890a7ac1a5159d89","schema_version":"1.0","event_id":"sha256:13d086d6bb7068219cecb7ca91d53fd4ad46e0f116558059890a7ac1a5159d89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VWRVZNA6CB4HBPFAB23UOYX4MW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From the density functional to the single-particle Green function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.stat-mech","authors_text":"V.B. Bobrov","submitted_at":"2014-08-30T09:07:06Z","abstract_excerpt":"An analysis shows that the ground state of the inhomogeneous system of interacting electrons in the static external field, which satisfies the thermodynamic limit, can be consistently described only using the Green function theory based on the quantum field theory methods (perturbation theory diagram technique). In this case, the ground state energy and inhomogeneous electron density in such a system can be determined only after calculating the single-particle Green function."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0094","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":"2026-05-18T02:43:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zo8VDsvir3679vDVYD7oxKXmQMqiVZjVZohjbQwEwORUFpH79MAVnzP2NZ6kPw7j3cUR0DYfnDP4FPNqVMHcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T11:46:34.567935Z"},"content_sha256":"dfe076c10bf342f881034a8f0441fc07d2bfbf57835908e4c7802b3b0fefae3c","schema_version":"1.0","event_id":"sha256:dfe076c10bf342f881034a8f0441fc07d2bfbf57835908e4c7802b3b0fefae3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/bundle.json","state_url":"https://pith.science/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/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":"2026-06-24T11:46:34Z","links":{"resolver":"https://pith.science/pith/VWRVZNA6CB4HBPFAB23UOYX4MW","bundle":"https://pith.science/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/bundle.json","state":"https://pith.science/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VWRVZNA6CB4HBPFAB23UOYX4MW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VWRVZNA6CB4HBPFAB23UOYX4MW","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":"519eda51ae6872c98740bc40710179a0a2dae1f4fec6e074341831eee7020382","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-08-30T09:07:06Z","title_canon_sha256":"560f6a20503bf9bf494313096c7a44355a45cd979a4f622e15dd88041ba9b18e"},"schema_version":"1.0","source":{"id":"1409.0094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0094","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0094v1","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0094","created_at":"2026-05-18T02:43:53Z"},{"alias_kind":"pith_short_12","alias_value":"VWRVZNA6CB4H","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VWRVZNA6CB4HBPFA","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VWRVZNA6","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:dfe076c10bf342f881034a8f0441fc07d2bfbf57835908e4c7802b3b0fefae3c","target":"graph","created_at":"2026-05-18T02:43:53Z","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":"An analysis shows that the ground state of the inhomogeneous system of interacting electrons in the static external field, which satisfies the thermodynamic limit, can be consistently described only using the Green function theory based on the quantum field theory methods (perturbation theory diagram technique). In this case, the ground state energy and inhomogeneous electron density in such a system can be determined only after calculating the single-particle Green function.","authors_text":"V.B. Bobrov","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-08-30T09:07:06Z","title":"From the density functional to the single-particle Green function"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0094","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":"sha256:13d086d6bb7068219cecb7ca91d53fd4ad46e0f116558059890a7ac1a5159d89","target":"record","created_at":"2026-05-18T02:43:53Z","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":"519eda51ae6872c98740bc40710179a0a2dae1f4fec6e074341831eee7020382","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-08-30T09:07:06Z","title_canon_sha256":"560f6a20503bf9bf494313096c7a44355a45cd979a4f622e15dd88041ba9b18e"},"schema_version":"1.0","source":{"id":"1409.0094","kind":"arxiv","version":1}},"canonical_sha256":"ada35cb41e107870bca00eb74762fc65a817d1ff389b3bb49ceae20fd9230b45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ada35cb41e107870bca00eb74762fc65a817d1ff389b3bb49ceae20fd9230b45","first_computed_at":"2026-05-18T02:43:53.389846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:53.389846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SF5iozK0JtOr9QrwDIpGx/OPGs5KzHA5jf6Peztq+5nHboz+NtAcqXN9zQfCR+ZfU+OBYlgRa5GQB7Jqo5BbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:53.390218Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.0094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13d086d6bb7068219cecb7ca91d53fd4ad46e0f116558059890a7ac1a5159d89","sha256:dfe076c10bf342f881034a8f0441fc07d2bfbf57835908e4c7802b3b0fefae3c"],"state_sha256":"e3bac1b4d7246ad2aa4c928d30205f9cd78c6a7e6ef926b8996180ebb0c8ef2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ibUASYK8vXfv7Q+kxBydaajO7e8QC8tadRJnjN6urfP7fhgM7Oiqr4N6tDmrCHtCEO4s22r3L0blUB+x1fPdCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T11:46:34.570559Z","bundle_sha256":"bc316d42c68333fb9d9663c73d77ee6cc84a26d8b2d045f4b4678e19cd52a5ff"}}