{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:ZXM42WD3SOR4MTK3VHY7ZNCFFN","short_pith_number":"pith:ZXM42WD3","canonical_record":{"source":{"id":"cond-mat/0407777","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2004-07-29T19:19:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c0439465db72ef974ff98f37b26840e46281d1f176e047f98dd5753591c63f5b","abstract_canon_sha256":"c26d646538c8ca99a4dfe7bbe0f93f0014d58fd6f9e146c3bedc193cc1de110c"},"schema_version":"1.0"},"canonical_sha256":"cdd9cd587b93a3c64d5ba9f1fcb4452b4915ec9b7fe18e1881f638d817d4c31a","source":{"kind":"arxiv","id":"cond-mat/0407777","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0407777","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0407777v2","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0407777","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"ZXM42WD3SOR4","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZXM42WD3SOR4MTK3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZXM42WD3","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:ZXM42WD3SOR4MTK3VHY7ZNCFFN","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0407777","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2004-07-29T19:19:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c0439465db72ef974ff98f37b26840e46281d1f176e047f98dd5753591c63f5b","abstract_canon_sha256":"c26d646538c8ca99a4dfe7bbe0f93f0014d58fd6f9e146c3bedc193cc1de110c"},"schema_version":"1.0"},"canonical_sha256":"cdd9cd587b93a3c64d5ba9f1fcb4452b4915ec9b7fe18e1881f638d817d4c31a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:05.409251Z","signature_b64":"EnglSDNlHSPkVU46gukcCdxHUpgaWUdyxM/3DyNQUFSdHLioAiU7lzETKcBgRSK279PQRV3nIAbepjswQhP+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdd9cd587b93a3c64d5ba9f1fcb4452b4915ec9b7fe18e1881f638d817d4c31a","last_reissued_at":"2026-05-18T01:35:05.408794Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:05.408794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0407777","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":"2026-05-18T01:35:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qnZZwpAC8DNd3BlVmpdZqY+dD9GzHZYjhSiKs817sijrbokrtEArQuqhL0F6Affr2Aoccg9LFzzPr6yNdlUECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:18:11.241410Z"},"content_sha256":"6a5a6ff27f600cf160ef979ab35b5428a45aa512a08b009ab52ce2c60670d3ba","schema_version":"1.0","event_id":"sha256:6a5a6ff27f600cf160ef979ab35b5428a45aa512a08b009ab52ce2c60670d3ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:ZXM42WD3SOR4MTK3VHY7ZNCFFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron Self-Energy and Generalized Drude Formula for Infrared Conductivity of Metals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.other","authors_text":"Philip B. Allen","submitted_at":"2004-07-29T19:19:36Z","abstract_excerpt":"Goetze and Woelfle (GW) wrote the conductivity in terms of a memory function M as (ine2/m)/(omega+M(omega)), where M=i/tau in the Drude limit. The analytic properties of -M are the same as those of the self-energy of a retarded Green's function. In the approximate treatment of GW, -M closely resembles a self-energy, with differences, e.g., the imaginary part is twice too large. The correct relation between -M and the self-energy is known for the electron-phonon case and is conjectured to be similar for other perturbations. When vertex corrections are ignored there is a known relation. A deriva"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0407777","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":"2026-05-18T01:35:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JIFIacqA5Ndra6EoKdaVVPNqipa/6ZgIJBLKDAJ+xAMMOPDhxRJ+a/qxXxPCRg8R1fua5gbx1Jel8aGyi+AFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:18:11.241968Z"},"content_sha256":"4bf1f50a65f5dfbdf6a74475ed27b413e6d1dfe194f08c52e83e4abd45b228c3","schema_version":"1.0","event_id":"sha256:4bf1f50a65f5dfbdf6a74475ed27b413e6d1dfe194f08c52e83e4abd45b228c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/bundle.json","state_url":"https://pith.science/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/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":"2026-05-29T23:18:11Z","links":{"resolver":"https://pith.science/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN","bundle":"https://pith.science/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/bundle.json","state":"https://pith.science/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZXM42WD3SOR4MTK3VHY7ZNCFFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:ZXM42WD3SOR4MTK3VHY7ZNCFFN","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":"c26d646538c8ca99a4dfe7bbe0f93f0014d58fd6f9e146c3bedc193cc1de110c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2004-07-29T19:19:36Z","title_canon_sha256":"c0439465db72ef974ff98f37b26840e46281d1f176e047f98dd5753591c63f5b"},"schema_version":"1.0","source":{"id":"cond-mat/0407777","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0407777","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0407777v2","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0407777","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"ZXM42WD3SOR4","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZXM42WD3SOR4MTK3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZXM42WD3","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:4bf1f50a65f5dfbdf6a74475ed27b413e6d1dfe194f08c52e83e4abd45b228c3","target":"graph","created_at":"2026-05-18T01:35:05Z","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":"Goetze and Woelfle (GW) wrote the conductivity in terms of a memory function M as (ine2/m)/(omega+M(omega)), where M=i/tau in the Drude limit. The analytic properties of -M are the same as those of the self-energy of a retarded Green's function. In the approximate treatment of GW, -M closely resembles a self-energy, with differences, e.g., the imaginary part is twice too large. The correct relation between -M and the self-energy is known for the electron-phonon case and is conjectured to be similar for other perturbations. When vertex corrections are ignored there is a known relation. A deriva","authors_text":"Philip B. Allen","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2004-07-29T19:19:36Z","title":"Electron Self-Energy and Generalized Drude Formula for Infrared Conductivity of Metals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0407777","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":"sha256:6a5a6ff27f600cf160ef979ab35b5428a45aa512a08b009ab52ce2c60670d3ba","target":"record","created_at":"2026-05-18T01:35:05Z","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":"c26d646538c8ca99a4dfe7bbe0f93f0014d58fd6f9e146c3bedc193cc1de110c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2004-07-29T19:19:36Z","title_canon_sha256":"c0439465db72ef974ff98f37b26840e46281d1f176e047f98dd5753591c63f5b"},"schema_version":"1.0","source":{"id":"cond-mat/0407777","kind":"arxiv","version":2}},"canonical_sha256":"cdd9cd587b93a3c64d5ba9f1fcb4452b4915ec9b7fe18e1881f638d817d4c31a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdd9cd587b93a3c64d5ba9f1fcb4452b4915ec9b7fe18e1881f638d817d4c31a","first_computed_at":"2026-05-18T01:35:05.408794Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:05.408794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EnglSDNlHSPkVU46gukcCdxHUpgaWUdyxM/3DyNQUFSdHLioAiU7lzETKcBgRSK279PQRV3nIAbepjswQhP+Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:05.409251Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0407777","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a5a6ff27f600cf160ef979ab35b5428a45aa512a08b009ab52ce2c60670d3ba","sha256:4bf1f50a65f5dfbdf6a74475ed27b413e6d1dfe194f08c52e83e4abd45b228c3"],"state_sha256":"5e2517a89513d62721766db0964f51c7921616b80da267941d896065e82c93dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6mgRvHQDB2A6kibtUB8vKv1Tbkh3ArQ6Z4YObVuAF1juyCEFSOuiaJvGWzJDmnzRz7Pu/Z291HgDtI8meB0GAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:18:11.245163Z","bundle_sha256":"165dd6c39800cd50dd034063c002c87458098f6624e1fc9408eb445a1bdd3af2"}}