{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EH3RZOX4MUBL3BXURQIIT2477H","short_pith_number":"pith:EH3RZOX4","canonical_record":{"source":{"id":"1211.6270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-27T11:02:14Z","cross_cats_sorted":[],"title_canon_sha256":"a4606dc6913c22c552076cc28d5c64dbab89dd48874d1a62bf3849a26e72e483","abstract_canon_sha256":"62066a939fd3afafba3b56f174fecda09b30a0eca674fff9510b5b826f6a0f86"},"schema_version":"1.0"},"canonical_sha256":"21f71cbafc6502bd86f48c1089eb9ff9e4418a1d4b9b05eb202669adcbbec1f4","source":{"kind":"arxiv","id":"1211.6270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.6270","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"arxiv_version","alias_value":"1211.6270v1","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6270","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"pith_short_12","alias_value":"EH3RZOX4MUBL","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EH3RZOX4MUBL3BXU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EH3RZOX4","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EH3RZOX4MUBL3BXURQIIT2477H","target":"record","payload":{"canonical_record":{"source":{"id":"1211.6270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-27T11:02:14Z","cross_cats_sorted":[],"title_canon_sha256":"a4606dc6913c22c552076cc28d5c64dbab89dd48874d1a62bf3849a26e72e483","abstract_canon_sha256":"62066a939fd3afafba3b56f174fecda09b30a0eca674fff9510b5b826f6a0f86"},"schema_version":"1.0"},"canonical_sha256":"21f71cbafc6502bd86f48c1089eb9ff9e4418a1d4b9b05eb202669adcbbec1f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:52.103203Z","signature_b64":"nLiFc4MrBS3rCWiC11OMqVUwvQhUsq35D1R2TpYP1Stm+3t90YBk321d03BMYBb60ByEwrbi7lVSJueCG9oYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21f71cbafc6502bd86f48c1089eb9ff9e4418a1d4b9b05eb202669adcbbec1f4","last_reissued_at":"2026-05-18T03:39:52.102501Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:52.102501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.6270","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":"2026-05-18T03:39:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2W4zXJYULe9ljk2cOjGT7PJKk2kERMdbolKDO/EkKfFKVnpuXwQDa6MS2h+ZsMpEfVmb0sBg5bimnjJTgf4pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T20:30:29.393822Z"},"content_sha256":"57f37ba4dcbbd5811306a09ea320c78c12bb51db53f9515e715a88930a9fc925","schema_version":"1.0","event_id":"sha256:57f37ba4dcbbd5811306a09ea320c78c12bb51db53f9515e715a88930a9fc925"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EH3RZOX4MUBL3BXURQIIT2477H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical spectroscopy of realistic condensed matter systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Lucia Caramella","submitted_at":"2012-11-27T11:02:14Z","abstract_excerpt":"This thesis is devoted to ab initio calculations of ground and excited state properties of different systems within density functional theory and time dependent density functional theory. From the numerical point of view we implemented an original method in the DP code to calculate the independent particle response function. Moreover, we generalized the DP code to the spin degree of freedom in order to study the magnetic properties of realistic condensed matter systems. We studied reflectance anisotropy and energy loss spectra of a clean and oxidized surface, and we performed an analysis of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6270","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":"2026-05-18T03:39:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9mwsP2mTGlRPRBpFbMiC4PE0IcoEv0kvm8Zc0JK3wE2invrYUFOTjO/01tj3E2BTDogPjxHmB7Dck1rnmrUcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T20:30:29.394267Z"},"content_sha256":"14545ccba53da84657e70654dbc8fec3c1d612473b032715b19220e294b6c3f2","schema_version":"1.0","event_id":"sha256:14545ccba53da84657e70654dbc8fec3c1d612473b032715b19220e294b6c3f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EH3RZOX4MUBL3BXURQIIT2477H/bundle.json","state_url":"https://pith.science/pith/EH3RZOX4MUBL3BXURQIIT2477H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EH3RZOX4MUBL3BXURQIIT2477H/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":"2026-06-25T20:30:29Z","links":{"resolver":"https://pith.science/pith/EH3RZOX4MUBL3BXURQIIT2477H","bundle":"https://pith.science/pith/EH3RZOX4MUBL3BXURQIIT2477H/bundle.json","state":"https://pith.science/pith/EH3RZOX4MUBL3BXURQIIT2477H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EH3RZOX4MUBL3BXURQIIT2477H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EH3RZOX4MUBL3BXURQIIT2477H","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":"62066a939fd3afafba3b56f174fecda09b30a0eca674fff9510b5b826f6a0f86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-27T11:02:14Z","title_canon_sha256":"a4606dc6913c22c552076cc28d5c64dbab89dd48874d1a62bf3849a26e72e483"},"schema_version":"1.0","source":{"id":"1211.6270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.6270","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"arxiv_version","alias_value":"1211.6270v1","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6270","created_at":"2026-05-18T03:39:52Z"},{"alias_kind":"pith_short_12","alias_value":"EH3RZOX4MUBL","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EH3RZOX4MUBL3BXU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EH3RZOX4","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:14545ccba53da84657e70654dbc8fec3c1d612473b032715b19220e294b6c3f2","target":"graph","created_at":"2026-05-18T03:39:52Z","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":"This thesis is devoted to ab initio calculations of ground and excited state properties of different systems within density functional theory and time dependent density functional theory. From the numerical point of view we implemented an original method in the DP code to calculate the independent particle response function. Moreover, we generalized the DP code to the spin degree of freedom in order to study the magnetic properties of realistic condensed matter systems. We studied reflectance anisotropy and energy loss spectra of a clean and oxidized surface, and we performed an analysis of th","authors_text":"Lucia Caramella","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-27T11:02:14Z","title":"Theoretical spectroscopy of realistic condensed matter systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6270","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":"sha256:57f37ba4dcbbd5811306a09ea320c78c12bb51db53f9515e715a88930a9fc925","target":"record","created_at":"2026-05-18T03:39:52Z","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":"62066a939fd3afafba3b56f174fecda09b30a0eca674fff9510b5b826f6a0f86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-27T11:02:14Z","title_canon_sha256":"a4606dc6913c22c552076cc28d5c64dbab89dd48874d1a62bf3849a26e72e483"},"schema_version":"1.0","source":{"id":"1211.6270","kind":"arxiv","version":1}},"canonical_sha256":"21f71cbafc6502bd86f48c1089eb9ff9e4418a1d4b9b05eb202669adcbbec1f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21f71cbafc6502bd86f48c1089eb9ff9e4418a1d4b9b05eb202669adcbbec1f4","first_computed_at":"2026-05-18T03:39:52.102501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:52.102501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nLiFc4MrBS3rCWiC11OMqVUwvQhUsq35D1R2TpYP1Stm+3t90YBk321d03BMYBb60ByEwrbi7lVSJueCG9oYBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:52.103203Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.6270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57f37ba4dcbbd5811306a09ea320c78c12bb51db53f9515e715a88930a9fc925","sha256:14545ccba53da84657e70654dbc8fec3c1d612473b032715b19220e294b6c3f2"],"state_sha256":"2a549ac4f412b254718ebc59cc085835cdb7df5d3eb8a9e53e0ce9bb302bb224"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ui7aFKmrvqvGye78h2owPXvWWqRCZk8vRwvq0Ny3ewghhQij/FH6DAhanmJOFBRcuxrhtI8Gj1oTxrG3rSt8DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T20:30:29.396695Z","bundle_sha256":"deb92e41531020dd438c41405ce7c28c866b1101a5ca233c3c078d267a7e9108"}}