{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:5RTCDHQB46DQRQDAZQ3UWTEFVV","short_pith_number":"pith:5RTCDHQB","canonical_record":{"source":{"id":"0808.1373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-08-09T20:47:03Z","cross_cats_sorted":[],"title_canon_sha256":"db83a8ecae2b41f74db45efbf87abb0380df048518d552bdc566032b96b2310d","abstract_canon_sha256":"94e7d82aaed20282aca952d38eed0df9f68247561f98eeaf8823a2eb82e402e0"},"schema_version":"1.0"},"canonical_sha256":"ec66219e01e78708c060cc374b4c85ad7bd1c83e93949e46e0e68b183808ea37","source":{"kind":"arxiv","id":"0808.1373","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.1373","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"0808.1373v1","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.1373","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"5RTCDHQB46DQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RTCDHQB46DQRQDA","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RTCDHQB","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:5RTCDHQB46DQRQDAZQ3UWTEFVV","target":"record","payload":{"canonical_record":{"source":{"id":"0808.1373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-08-09T20:47:03Z","cross_cats_sorted":[],"title_canon_sha256":"db83a8ecae2b41f74db45efbf87abb0380df048518d552bdc566032b96b2310d","abstract_canon_sha256":"94e7d82aaed20282aca952d38eed0df9f68247561f98eeaf8823a2eb82e402e0"},"schema_version":"1.0"},"canonical_sha256":"ec66219e01e78708c060cc374b4c85ad7bd1c83e93949e46e0e68b183808ea37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:43.515562Z","signature_b64":"TCRtkfikTi8HwWiTUuwsXbsXdppSrNxvP/MXf9djuEDR/Ttlo2gPOfbn07E94jrmOcYJKhc9+/PoyyV2L7c6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec66219e01e78708c060cc374b4c85ad7bd1c83e93949e46e0e68b183808ea37","last_reissued_at":"2026-05-18T02:15:43.515000Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:43.515000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.1373","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":"2026-05-18T02:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jyVDZcGn3U042fCRDxlqNouwgo40JlW8RvbJJIbLq/aZ0h5OX72cgoPKUTsgQ+qTaCAXzyHDBwvs23WEuJ9tBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:08:44.446158Z"},"content_sha256":"ff3c0ebf762a8299ec145926a0735bbbd2f81be8892e0a33aa633e73f1a5f7e4","schema_version":"1.0","event_id":"sha256:ff3c0ebf762a8299ec145926a0735bbbd2f81be8892e0a33aa633e73f1a5f7e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:5RTCDHQB46DQRQDAZQ3UWTEFVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gilbert Damping in Conducting Ferromagnets I: Kohn-Sham Theory and Atomic-Scale Inhomogeneity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Allan H. MacDonald, Ion Garate","submitted_at":"2008-08-09T20:47:03Z","abstract_excerpt":"We derive an approximate expression for the Gilbert damping coefficient \\alpha_G of itinerant electron ferromagnets which is based on their description in terms of spin-density-functional-theory (SDFT) and Kohn-Sham quasiparticle orbitals. We argue for an expression in which the coupling of magnetization fluctuations to particle-hole transitions is weighted by the spin-dependent part of the theory's exchange-correlation potential, a quantity which has large spatial variations on an atomic length scale. Our SDFT result for \\alpha_G is closely related to the previously proposed spin-torque corre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.1373","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":"2026-05-18T02:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zodUT/R+N8QmrMA8SvCRuNmBPq95ydH+WhbZk4vnQd6eA9auWgsRuaTQFEUDlUPcfrVdVEH3kgFkFHtJbk2bCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:08:44.446584Z"},"content_sha256":"9a29f81ce8311a2f31bf8a1cd873404f5255138f648731bcb4a16a1ed62831f5","schema_version":"1.0","event_id":"sha256:9a29f81ce8311a2f31bf8a1cd873404f5255138f648731bcb4a16a1ed62831f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/bundle.json","state_url":"https://pith.science/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/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":"2026-05-27T18:08:44Z","links":{"resolver":"https://pith.science/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV","bundle":"https://pith.science/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/bundle.json","state":"https://pith.science/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RTCDHQB46DQRQDAZQ3UWTEFVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:5RTCDHQB46DQRQDAZQ3UWTEFVV","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":"94e7d82aaed20282aca952d38eed0df9f68247561f98eeaf8823a2eb82e402e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-08-09T20:47:03Z","title_canon_sha256":"db83a8ecae2b41f74db45efbf87abb0380df048518d552bdc566032b96b2310d"},"schema_version":"1.0","source":{"id":"0808.1373","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.1373","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"0808.1373v1","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.1373","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"5RTCDHQB46DQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RTCDHQB46DQRQDA","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RTCDHQB","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:9a29f81ce8311a2f31bf8a1cd873404f5255138f648731bcb4a16a1ed62831f5","target":"graph","created_at":"2026-05-18T02:15:43Z","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 derive an approximate expression for the Gilbert damping coefficient \\alpha_G of itinerant electron ferromagnets which is based on their description in terms of spin-density-functional-theory (SDFT) and Kohn-Sham quasiparticle orbitals. We argue for an expression in which the coupling of magnetization fluctuations to particle-hole transitions is weighted by the spin-dependent part of the theory's exchange-correlation potential, a quantity which has large spatial variations on an atomic length scale. Our SDFT result for \\alpha_G is closely related to the previously proposed spin-torque corre","authors_text":"Allan H. MacDonald, Ion Garate","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-08-09T20:47:03Z","title":"Gilbert Damping in Conducting Ferromagnets I: Kohn-Sham Theory and Atomic-Scale Inhomogeneity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.1373","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:ff3c0ebf762a8299ec145926a0735bbbd2f81be8892e0a33aa633e73f1a5f7e4","target":"record","created_at":"2026-05-18T02:15:43Z","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":"94e7d82aaed20282aca952d38eed0df9f68247561f98eeaf8823a2eb82e402e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-08-09T20:47:03Z","title_canon_sha256":"db83a8ecae2b41f74db45efbf87abb0380df048518d552bdc566032b96b2310d"},"schema_version":"1.0","source":{"id":"0808.1373","kind":"arxiv","version":1}},"canonical_sha256":"ec66219e01e78708c060cc374b4c85ad7bd1c83e93949e46e0e68b183808ea37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec66219e01e78708c060cc374b4c85ad7bd1c83e93949e46e0e68b183808ea37","first_computed_at":"2026-05-18T02:15:43.515000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:43.515000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TCRtkfikTi8HwWiTUuwsXbsXdppSrNxvP/MXf9djuEDR/Ttlo2gPOfbn07E94jrmOcYJKhc9+/PoyyV2L7c6AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:43.515562Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.1373","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff3c0ebf762a8299ec145926a0735bbbd2f81be8892e0a33aa633e73f1a5f7e4","sha256:9a29f81ce8311a2f31bf8a1cd873404f5255138f648731bcb4a16a1ed62831f5"],"state_sha256":"ec1b9b1569b94c2be59b48102cd250139f67a4fe02bf78449d4c97a91e575535"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pMDPKqszQPKXhku+pTRfW8f38JhgkkdZmMDG4IgkY3diz3J33tNfLeDD7SPo7DnIRNTwBXBtowUNk8Ya/h1QCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:08:44.449239Z","bundle_sha256":"2499e4ee6eaa4f7a9c55dc13dd02b82173e6929f1de3dbbf3b984d1971193a71"}}