{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:USAK6ZJKG45DM53E3BFIDMFDWI","short_pith_number":"pith:USAK6ZJK","canonical_record":{"source":{"id":"1504.06588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-24T18:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"0c67ae0008ea3601565a4e3774dcc0774e0c31c0a8cb7966b8dca6debb734477","abstract_canon_sha256":"a627385f3bd1eeaa6d999c350e328664d28635a31e0caf743fc28398d8ea1509"},"schema_version":"1.0"},"canonical_sha256":"a480af652a373a367764d84a81b0a3b22fd7706cda1ef108183f6ee83e532d26","source":{"kind":"arxiv","id":"1504.06588","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06588","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06588v1","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06588","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"USAK6ZJKG45D","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"USAK6ZJKG45DM53E","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"USAK6ZJK","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:USAK6ZJKG45DM53E3BFIDMFDWI","target":"record","payload":{"canonical_record":{"source":{"id":"1504.06588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-24T18:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"0c67ae0008ea3601565a4e3774dcc0774e0c31c0a8cb7966b8dca6debb734477","abstract_canon_sha256":"a627385f3bd1eeaa6d999c350e328664d28635a31e0caf743fc28398d8ea1509"},"schema_version":"1.0"},"canonical_sha256":"a480af652a373a367764d84a81b0a3b22fd7706cda1ef108183f6ee83e532d26","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:23.334786Z","signature_b64":"T98k5qFxNesRLrlCpyNZhlfrUJVFAewycmHIuE1+50PNhQ0B6jovG3UXBYgfXjbnWsp4fmzElM2f0CmbUrcEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a480af652a373a367764d84a81b0a3b22fd7706cda1ef108183f6ee83e532d26","last_reissued_at":"2026-05-18T01:34:23.334128Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:23.334128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.06588","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gO+Ntu4LTiHITelIgTKdO6Nna6sWQUkKRxrRDUDJKKzqT8rXRBQ0JBHzo5k3mYeDEbYO+8SvG9XjfC8f852TCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:04:56.218777Z"},"content_sha256":"90717f1d684f6292ae5645d3bc9736a88f6938925b7ce4012d26df10261dd97c","schema_version":"1.0","event_id":"sha256:90717f1d684f6292ae5645d3bc9736a88f6938925b7ce4012d26df10261dd97c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:USAK6ZJKG45DM53E3BFIDMFDWI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transmission through correlated Cu$_n$CoCu$_n$ heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Droghetti, A. \\\"Ostlin, A. V. Postnikov, C. Morari, I. Rungger, L. Chioncel, L. Vitos, M. M. Radonji\\'c, U. Eckern, W. H. Appelt","submitted_at":"2015-04-24T18:09:53Z","abstract_excerpt":"The effects of local electronic interactions and finite temperatures upon the transmission across the Cu$_4$CoCu$_4$ metallic heterostructure are studied in a combined density functional and dynamical mean field theory. It is shown that, as the electronic correlations are taken into account via a local but dynamic self-energy, the total transmission at the Fermi level gets reduced (predominantly in the minority spin channel), whereby the spin polarization of the transmission increases. The latter is due to a more significant $d$-electrons contribution, as compared to the non-correlated case in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06588","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kh33zR5k2+4mH6sKhu2h5zpPUK253IdF6qq0EUvJSOyrtO7UrknASzkdoLhMqBpi6PRd0VoKAUdPCPXiJrEECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:04:56.219450Z"},"content_sha256":"a2dca9a43fc3d64c1b8a67a8b8f5476e8640eaf4a907557c6bcf8e1854064575","schema_version":"1.0","event_id":"sha256:a2dca9a43fc3d64c1b8a67a8b8f5476e8640eaf4a907557c6bcf8e1854064575"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/USAK6ZJKG45DM53E3BFIDMFDWI/bundle.json","state_url":"https://pith.science/pith/USAK6ZJKG45DM53E3BFIDMFDWI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/USAK6ZJKG45DM53E3BFIDMFDWI/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":"2026-05-25T16:04:56Z","links":{"resolver":"https://pith.science/pith/USAK6ZJKG45DM53E3BFIDMFDWI","bundle":"https://pith.science/pith/USAK6ZJKG45DM53E3BFIDMFDWI/bundle.json","state":"https://pith.science/pith/USAK6ZJKG45DM53E3BFIDMFDWI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/USAK6ZJKG45DM53E3BFIDMFDWI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:USAK6ZJKG45DM53E3BFIDMFDWI","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":"a627385f3bd1eeaa6d999c350e328664d28635a31e0caf743fc28398d8ea1509","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-24T18:09:53Z","title_canon_sha256":"0c67ae0008ea3601565a4e3774dcc0774e0c31c0a8cb7966b8dca6debb734477"},"schema_version":"1.0","source":{"id":"1504.06588","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06588","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06588v1","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06588","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"USAK6ZJKG45D","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"USAK6ZJKG45DM53E","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"USAK6ZJK","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:a2dca9a43fc3d64c1b8a67a8b8f5476e8640eaf4a907557c6bcf8e1854064575","target":"graph","created_at":"2026-05-18T01:34:23Z","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":"The effects of local electronic interactions and finite temperatures upon the transmission across the Cu$_4$CoCu$_4$ metallic heterostructure are studied in a combined density functional and dynamical mean field theory. It is shown that, as the electronic correlations are taken into account via a local but dynamic self-energy, the total transmission at the Fermi level gets reduced (predominantly in the minority spin channel), whereby the spin polarization of the transmission increases. The latter is due to a more significant $d$-electrons contribution, as compared to the non-correlated case in","authors_text":"A. Droghetti, A. \\\"Ostlin, A. V. Postnikov, C. Morari, I. Rungger, L. Chioncel, L. Vitos, M. M. Radonji\\'c, U. Eckern, W. H. Appelt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-24T18:09:53Z","title":"Transmission through correlated Cu$_n$CoCu$_n$ heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06588","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":"sha256:90717f1d684f6292ae5645d3bc9736a88f6938925b7ce4012d26df10261dd97c","target":"record","created_at":"2026-05-18T01:34:23Z","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":"a627385f3bd1eeaa6d999c350e328664d28635a31e0caf743fc28398d8ea1509","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-24T18:09:53Z","title_canon_sha256":"0c67ae0008ea3601565a4e3774dcc0774e0c31c0a8cb7966b8dca6debb734477"},"schema_version":"1.0","source":{"id":"1504.06588","kind":"arxiv","version":1}},"canonical_sha256":"a480af652a373a367764d84a81b0a3b22fd7706cda1ef108183f6ee83e532d26","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a480af652a373a367764d84a81b0a3b22fd7706cda1ef108183f6ee83e532d26","first_computed_at":"2026-05-18T01:34:23.334128Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:23.334128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T98k5qFxNesRLrlCpyNZhlfrUJVFAewycmHIuE1+50PNhQ0B6jovG3UXBYgfXjbnWsp4fmzElM2f0CmbUrcEAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:23.334786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.06588","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90717f1d684f6292ae5645d3bc9736a88f6938925b7ce4012d26df10261dd97c","sha256:a2dca9a43fc3d64c1b8a67a8b8f5476e8640eaf4a907557c6bcf8e1854064575"],"state_sha256":"6d6286d3be359cb71961c795d3e899318200157ca19787365fbf082ea0225f3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ePLnA0FQmVfOldCw0y4EpM7X/AYUi8npZZUKG9jz9ifzXe7wz1ZYit5+saDU7Ne0fclyvRrySxafzsgeVt1Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:04:56.223556Z","bundle_sha256":"dacfe5d65821059e35eca91ace2b1721d09b6b994ac1e32365480325c8b1242f"}}