{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:CJ5CQKIC6DDTZHOXLUCSF4HOXS","short_pith_number":"pith:CJ5CQKIC","canonical_record":{"source":{"id":"1212.3486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-14T14:40:15Z","cross_cats_sorted":[],"title_canon_sha256":"098f4d403217d10e7a4176abf210a16343dc6edb6d6149784064c0fc0b7349df","abstract_canon_sha256":"72019e755dd8b5a94592a99c1e074aae6707142ed0128e72d8a474e7e2b49113"},"schema_version":"1.0"},"canonical_sha256":"127a282902f0c73c9dd75d0522f0eebc9b463bbf979aa9f2590f3d712dd1d13c","source":{"kind":"arxiv","id":"1212.3486","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3486","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3486v1","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3486","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"CJ5CQKIC6DDT","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CJ5CQKIC6DDTZHOX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CJ5CQKIC","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:CJ5CQKIC6DDTZHOXLUCSF4HOXS","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-14T14:40:15Z","cross_cats_sorted":[],"title_canon_sha256":"098f4d403217d10e7a4176abf210a16343dc6edb6d6149784064c0fc0b7349df","abstract_canon_sha256":"72019e755dd8b5a94592a99c1e074aae6707142ed0128e72d8a474e7e2b49113"},"schema_version":"1.0"},"canonical_sha256":"127a282902f0c73c9dd75d0522f0eebc9b463bbf979aa9f2590f3d712dd1d13c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:38.182254Z","signature_b64":"XufFJHgJBVFECVix0nQsLumy8J3a7LnwN+uRjGgrf8Ef54v18vcY4stN6JwHG3NT1iP70XLZIKxT6PI4VVYADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"127a282902f0c73c9dd75d0522f0eebc9b463bbf979aa9f2590f3d712dd1d13c","last_reissued_at":"2026-05-18T01:52:38.181728Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:38.181728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3486","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":"2026-05-18T01:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ds12BihMGAxguFv1TBPkGvLT6bjsk3LhYKTXCNPfoFHMskG9jdmrcmtE3In4alF+2hynjPhm6eGgOA07ZT3xAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:44:32.910157Z"},"content_sha256":"70972014ccef4e45dcfe82292efc29d8c4caa5fbfb034dea266a75b74359bbd7","schema_version":"1.0","event_id":"sha256:70972014ccef4e45dcfe82292efc29d8c4caa5fbfb034dea266a75b74359bbd7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:CJ5CQKIC6DDTZHOXLUCSF4HOXS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-evolution of excitations in normal Fermi liquids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Rubio, J. Berakdar, Y. Pavlyukh","submitted_at":"2012-12-14T14:40:15Z","abstract_excerpt":"We inspect the initial and the long time evolution of excitations a Fermi liquids by analyzing the time behavior of the electron spectral function. Focusing on the short-time limit we study the electron-boson model for the homogenous electron gas and apply the first order (in boson propagator) cumulant expansion of the electron Green's function. In addition to a quadratic decay in time upon triggering the excitation, we identify non-analytic terms in the time expansion similar to those found in the Fermi edge singularity phenomenon. We also demonstrate that the exponential decay in time in the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3486","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":"2026-05-18T01:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cd+TUKwpaiowC2F3RK6l7is5DWfiPAAK3X5oxm/LfB+4ZN/QAmFJ8+bMI7rByNtPftOG5ZArXhjGSa+k/WqDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:44:32.910522Z"},"content_sha256":"3c69eb41dce0a2a1d39cc256375debcf54efe73340db915eb0c5e7edec9997b8","schema_version":"1.0","event_id":"sha256:3c69eb41dce0a2a1d39cc256375debcf54efe73340db915eb0c5e7edec9997b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/bundle.json","state_url":"https://pith.science/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/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":"2026-06-03T14:44:32Z","links":{"resolver":"https://pith.science/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS","bundle":"https://pith.science/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/bundle.json","state":"https://pith.science/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CJ5CQKIC6DDTZHOXLUCSF4HOXS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:CJ5CQKIC6DDTZHOXLUCSF4HOXS","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":"72019e755dd8b5a94592a99c1e074aae6707142ed0128e72d8a474e7e2b49113","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-14T14:40:15Z","title_canon_sha256":"098f4d403217d10e7a4176abf210a16343dc6edb6d6149784064c0fc0b7349df"},"schema_version":"1.0","source":{"id":"1212.3486","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3486","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3486v1","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3486","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"CJ5CQKIC6DDT","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CJ5CQKIC6DDTZHOX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CJ5CQKIC","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:3c69eb41dce0a2a1d39cc256375debcf54efe73340db915eb0c5e7edec9997b8","target":"graph","created_at":"2026-05-18T01:52:38Z","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 inspect the initial and the long time evolution of excitations a Fermi liquids by analyzing the time behavior of the electron spectral function. Focusing on the short-time limit we study the electron-boson model for the homogenous electron gas and apply the first order (in boson propagator) cumulant expansion of the electron Green's function. In addition to a quadratic decay in time upon triggering the excitation, we identify non-analytic terms in the time expansion similar to those found in the Fermi edge singularity phenomenon. We also demonstrate that the exponential decay in time in the","authors_text":"A. Rubio, J. Berakdar, Y. Pavlyukh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-14T14:40:15Z","title":"Time-evolution of excitations in normal Fermi liquids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3486","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":"sha256:70972014ccef4e45dcfe82292efc29d8c4caa5fbfb034dea266a75b74359bbd7","target":"record","created_at":"2026-05-18T01:52:38Z","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":"72019e755dd8b5a94592a99c1e074aae6707142ed0128e72d8a474e7e2b49113","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-14T14:40:15Z","title_canon_sha256":"098f4d403217d10e7a4176abf210a16343dc6edb6d6149784064c0fc0b7349df"},"schema_version":"1.0","source":{"id":"1212.3486","kind":"arxiv","version":1}},"canonical_sha256":"127a282902f0c73c9dd75d0522f0eebc9b463bbf979aa9f2590f3d712dd1d13c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"127a282902f0c73c9dd75d0522f0eebc9b463bbf979aa9f2590f3d712dd1d13c","first_computed_at":"2026-05-18T01:52:38.181728Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:38.181728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XufFJHgJBVFECVix0nQsLumy8J3a7LnwN+uRjGgrf8Ef54v18vcY4stN6JwHG3NT1iP70XLZIKxT6PI4VVYADw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:38.182254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3486","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70972014ccef4e45dcfe82292efc29d8c4caa5fbfb034dea266a75b74359bbd7","sha256:3c69eb41dce0a2a1d39cc256375debcf54efe73340db915eb0c5e7edec9997b8"],"state_sha256":"9751a64fb14f74d8f0070ffc65cb416ec41ff8a68c54dd8e69e4ad1ab73df74d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uFAq7rbZ7eFYXP+aosl7uaAO8U9kRBjycCXa293nMRZokR1ebEdPBtXZfFJyPwG37t7YlFLAFRxuj7xF3s8zBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:44:32.912549Z","bundle_sha256":"b3f2b2a140483f7113573f01770fa852edab1404906e4c96f64df3402b7aa85e"}}