{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2ZVX7QINXD5CAX4PFIX45OSG3G","short_pith_number":"pith:2ZVX7QIN","canonical_record":{"source":{"id":"1305.6233","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-27T14:23:53Z","cross_cats_sorted":[],"title_canon_sha256":"0b1925df11d5e441b8b0c03c835caab4a33d95f2dbd164b56faaf8e549fb5eb2","abstract_canon_sha256":"db924a4cbc4646d7c05b63fc6335641f5d39a1daa35b2a9ddbf7c57494a136df"},"schema_version":"1.0"},"canonical_sha256":"d66b7fc10db8fa205f8f2a2fceba46d9b79f979791df63645d66e4db00073aa1","source":{"kind":"arxiv","id":"1305.6233","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6233","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6233v2","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6233","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"pith_short_12","alias_value":"2ZVX7QINXD5C","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZVX7QINXD5CAX4P","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZVX7QIN","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2ZVX7QINXD5CAX4PFIX45OSG3G","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6233","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-27T14:23:53Z","cross_cats_sorted":[],"title_canon_sha256":"0b1925df11d5e441b8b0c03c835caab4a33d95f2dbd164b56faaf8e549fb5eb2","abstract_canon_sha256":"db924a4cbc4646d7c05b63fc6335641f5d39a1daa35b2a9ddbf7c57494a136df"},"schema_version":"1.0"},"canonical_sha256":"d66b7fc10db8fa205f8f2a2fceba46d9b79f979791df63645d66e4db00073aa1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:41.163686Z","signature_b64":"jYhwRpY6aroVe2PxY56CpyYriEN3RjiuXjqgcAu3om584pfnQOKvzrCpPBlAXx/L2NuGjXcTYVs5xR4pEaN2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d66b7fc10db8fa205f8f2a2fceba46d9b79f979791df63645d66e4db00073aa1","last_reissued_at":"2026-05-18T01:49:41.163137Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:41.163137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6233","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":"2026-05-18T01:49:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cGsgMsqPg75gSeo0DLgOG1rQ9j9UwXwFtKPmJO4VVUcWXlBSmY4d6nY8wmsKUFb5flVuTst5sroDCEVhl2iSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:36:46.047916Z"},"content_sha256":"221454cab39d77173d8905ab9d6b9bde9a5097384c062c5912c7c2e261854b1a","schema_version":"1.0","event_id":"sha256:221454cab39d77173d8905ab9d6b9bde9a5097384c062c5912c7c2e261854b1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2ZVX7QINXD5CAX4PFIX45OSG3G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron energy-loss and inelastic X-ray scattering cross sections from time-dependent density-functional perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Iurii Timrov, Nathalie Vast, Ralph Gebauer, Stefano Baroni","submitted_at":"2013-05-27T14:23:53Z","abstract_excerpt":"The Liouville-Lanczos approach to linear-response time-dependent density-functional theory is generalized so as to encompass electron energy-loss and inelastic X-ray scattering spectroscopies in periodic solids. The computation of virtual orbitals and the manipulation of large matrices are avoided by adopting a representation of response orbitals borrowed from (time-independent) density-functional perturbation theory and a suitable Lanczos recursion scheme. The latter allows the bulk of the numerical work to be performed at any given transferred momentum only once, for a whole extended frequen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6233","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":"2026-05-18T01:49:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8D6fDXpgqxMCbNTyxW2g2BrhpFOtXG2B5JwpOK536VPF/qViH/vmizmIvQSWK/ZGIEdelI7mcs5NhR957ixDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:36:46.048254Z"},"content_sha256":"15e1c44ead9ace3366ba8502b96f66eccf97f6d2dad142a7ce52f7fa5b772668","schema_version":"1.0","event_id":"sha256:15e1c44ead9ace3366ba8502b96f66eccf97f6d2dad142a7ce52f7fa5b772668"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/bundle.json","state_url":"https://pith.science/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/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":"2026-06-23T16:36:46Z","links":{"resolver":"https://pith.science/pith/2ZVX7QINXD5CAX4PFIX45OSG3G","bundle":"https://pith.science/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/bundle.json","state":"https://pith.science/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZVX7QINXD5CAX4PFIX45OSG3G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2ZVX7QINXD5CAX4PFIX45OSG3G","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":"db924a4cbc4646d7c05b63fc6335641f5d39a1daa35b2a9ddbf7c57494a136df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-27T14:23:53Z","title_canon_sha256":"0b1925df11d5e441b8b0c03c835caab4a33d95f2dbd164b56faaf8e549fb5eb2"},"schema_version":"1.0","source":{"id":"1305.6233","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6233","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6233v2","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6233","created_at":"2026-05-18T01:49:41Z"},{"alias_kind":"pith_short_12","alias_value":"2ZVX7QINXD5C","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZVX7QINXD5CAX4P","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZVX7QIN","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:15e1c44ead9ace3366ba8502b96f66eccf97f6d2dad142a7ce52f7fa5b772668","target":"graph","created_at":"2026-05-18T01:49:41Z","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 Liouville-Lanczos approach to linear-response time-dependent density-functional theory is generalized so as to encompass electron energy-loss and inelastic X-ray scattering spectroscopies in periodic solids. The computation of virtual orbitals and the manipulation of large matrices are avoided by adopting a representation of response orbitals borrowed from (time-independent) density-functional perturbation theory and a suitable Lanczos recursion scheme. The latter allows the bulk of the numerical work to be performed at any given transferred momentum only once, for a whole extended frequen","authors_text":"Iurii Timrov, Nathalie Vast, Ralph Gebauer, Stefano Baroni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-27T14:23:53Z","title":"Electron energy-loss and inelastic X-ray scattering cross sections from time-dependent density-functional perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6233","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":"sha256:221454cab39d77173d8905ab9d6b9bde9a5097384c062c5912c7c2e261854b1a","target":"record","created_at":"2026-05-18T01:49:41Z","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":"db924a4cbc4646d7c05b63fc6335641f5d39a1daa35b2a9ddbf7c57494a136df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-27T14:23:53Z","title_canon_sha256":"0b1925df11d5e441b8b0c03c835caab4a33d95f2dbd164b56faaf8e549fb5eb2"},"schema_version":"1.0","source":{"id":"1305.6233","kind":"arxiv","version":2}},"canonical_sha256":"d66b7fc10db8fa205f8f2a2fceba46d9b79f979791df63645d66e4db00073aa1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d66b7fc10db8fa205f8f2a2fceba46d9b79f979791df63645d66e4db00073aa1","first_computed_at":"2026-05-18T01:49:41.163137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:41.163137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jYhwRpY6aroVe2PxY56CpyYriEN3RjiuXjqgcAu3om584pfnQOKvzrCpPBlAXx/L2NuGjXcTYVs5xR4pEaN2BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:41.163686Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6233","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:221454cab39d77173d8905ab9d6b9bde9a5097384c062c5912c7c2e261854b1a","sha256:15e1c44ead9ace3366ba8502b96f66eccf97f6d2dad142a7ce52f7fa5b772668"],"state_sha256":"55b627b22f7e16a15f7ebe44062d583429c37244b747c77573a093d29e2fd689"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpXoK8nWcrxMj9o78kEeaeguo+gEvvlHtUysWtdShHP6ibDEJzeR2xT9o1I62Xpc8PymRk8oL01BloVr7KchAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T16:36:46.050188Z","bundle_sha256":"b8fb5c4be2b4da8f374bd5b92fd700f6ea434d3eae8c17d770b1b901813ef02a"}}