{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5I73H3ACCK4WXRTN7L2LVH4CQI","short_pith_number":"pith:5I73H3AC","canonical_record":{"source":{"id":"1810.06168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-15T03:26:28Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7b1dd1b98ac3e375efbe6bb856b850ec27b1a0d6564fa45bc3f2d04dfad4cc53","abstract_canon_sha256":"7ee7d75e6278a70df88f9335bf24fe3cd76b7130a56e09e250004c9d1492ce67"},"schema_version":"1.0"},"canonical_sha256":"ea3fb3ec0212b96bc66dfaf4ba9f82820ff4ea8e8f659a0838310b93f60d3084","source":{"kind":"arxiv","id":"1810.06168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06168","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06168v1","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06168","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"pith_short_12","alias_value":"5I73H3ACCK4W","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5I73H3ACCK4WXRTN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5I73H3AC","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5I73H3ACCK4WXRTN7L2LVH4CQI","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-15T03:26:28Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7b1dd1b98ac3e375efbe6bb856b850ec27b1a0d6564fa45bc3f2d04dfad4cc53","abstract_canon_sha256":"7ee7d75e6278a70df88f9335bf24fe3cd76b7130a56e09e250004c9d1492ce67"},"schema_version":"1.0"},"canonical_sha256":"ea3fb3ec0212b96bc66dfaf4ba9f82820ff4ea8e8f659a0838310b93f60d3084","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:37.916977Z","signature_b64":"aYGHZjjfxccx6f5KTfLtah7yej3mSeuX3EmjUIg882DDf7HygtOpsbttdNoe32IIH7edME6v5y+HcnrrUE5RBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea3fb3ec0212b96bc66dfaf4ba9f82820ff4ea8e8f659a0838310b93f60d3084","last_reissued_at":"2026-05-17T23:43:37.916309Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:37.916309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06168","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":"2026-05-17T23:43:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"382keZ+5X+ubiL7WbtObaToATO0m0N228zN7nqPPBRc16brazOxR5pACTI4dIoUSPOWSiw/nkMzu+9lQsDcrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:12:06.971034Z"},"content_sha256":"4797765fe6f6d10843e591b8e01c7066dbfb9161a31295bbcc30bdb842891415","schema_version":"1.0","event_id":"sha256:4797765fe6f6d10843e591b8e01c7066dbfb9161a31295bbcc30bdb842891415"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5I73H3ACCK4WXRTN7L2LVH4CQI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-dependent density functional theory for a unified description of ultrafast dynamics: pulsed light, electrons, and atoms in crystalline solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.comp-ph","authors_text":"Atsushi Yamada, Kazuhiro Yabana","submitted_at":"2018-10-15T03:26:28Z","abstract_excerpt":"We have developed a novel multiscale computational scheme to describe coupled dynamics of light electromagnetic field with electrons and atoms in crystalline solids, where first-principles molecular dynamics based on time-dependent density functional theory is used to describe the microscopic dynamics. The method is applicable to wide phenomena in nonlinear and ultrafast optics. To show usefulness of the method, we apply it to a pump-probe measurement of coherent phonon in diamond where a Raman amplification takes place during the propagation of the probe pulse."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06168","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":"2026-05-17T23:43:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lourpxfJM/8qDlQtlg/pA1DwNZV+FRoNu5iNy04VavyIVqWIIL6zMVUCUo2aIow3gyE2U2364F2ldWC8/fwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:12:06.971690Z"},"content_sha256":"16d26df02297d54f915a11435b10018b5189492454d1f0a9b3327b2febfac88a","schema_version":"1.0","event_id":"sha256:16d26df02297d54f915a11435b10018b5189492454d1f0a9b3327b2febfac88a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/bundle.json","state_url":"https://pith.science/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/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":"2026-06-04T04:12:06Z","links":{"resolver":"https://pith.science/pith/5I73H3ACCK4WXRTN7L2LVH4CQI","bundle":"https://pith.science/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/bundle.json","state":"https://pith.science/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5I73H3ACCK4WXRTN7L2LVH4CQI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5I73H3ACCK4WXRTN7L2LVH4CQI","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":"7ee7d75e6278a70df88f9335bf24fe3cd76b7130a56e09e250004c9d1492ce67","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-15T03:26:28Z","title_canon_sha256":"7b1dd1b98ac3e375efbe6bb856b850ec27b1a0d6564fa45bc3f2d04dfad4cc53"},"schema_version":"1.0","source":{"id":"1810.06168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06168","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06168v1","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06168","created_at":"2026-05-17T23:43:37Z"},{"alias_kind":"pith_short_12","alias_value":"5I73H3ACCK4W","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5I73H3ACCK4WXRTN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5I73H3AC","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:16d26df02297d54f915a11435b10018b5189492454d1f0a9b3327b2febfac88a","target":"graph","created_at":"2026-05-17T23:43:37Z","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 have developed a novel multiscale computational scheme to describe coupled dynamics of light electromagnetic field with electrons and atoms in crystalline solids, where first-principles molecular dynamics based on time-dependent density functional theory is used to describe the microscopic dynamics. The method is applicable to wide phenomena in nonlinear and ultrafast optics. To show usefulness of the method, we apply it to a pump-probe measurement of coherent phonon in diamond where a Raman amplification takes place during the propagation of the probe pulse.","authors_text":"Atsushi Yamada, Kazuhiro Yabana","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-15T03:26:28Z","title":"Time-dependent density functional theory for a unified description of ultrafast dynamics: pulsed light, electrons, and atoms in crystalline solids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06168","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":"sha256:4797765fe6f6d10843e591b8e01c7066dbfb9161a31295bbcc30bdb842891415","target":"record","created_at":"2026-05-17T23:43:37Z","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":"7ee7d75e6278a70df88f9335bf24fe3cd76b7130a56e09e250004c9d1492ce67","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-15T03:26:28Z","title_canon_sha256":"7b1dd1b98ac3e375efbe6bb856b850ec27b1a0d6564fa45bc3f2d04dfad4cc53"},"schema_version":"1.0","source":{"id":"1810.06168","kind":"arxiv","version":1}},"canonical_sha256":"ea3fb3ec0212b96bc66dfaf4ba9f82820ff4ea8e8f659a0838310b93f60d3084","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea3fb3ec0212b96bc66dfaf4ba9f82820ff4ea8e8f659a0838310b93f60d3084","first_computed_at":"2026-05-17T23:43:37.916309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:37.916309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aYGHZjjfxccx6f5KTfLtah7yej3mSeuX3EmjUIg882DDf7HygtOpsbttdNoe32IIH7edME6v5y+HcnrrUE5RBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:37.916977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4797765fe6f6d10843e591b8e01c7066dbfb9161a31295bbcc30bdb842891415","sha256:16d26df02297d54f915a11435b10018b5189492454d1f0a9b3327b2febfac88a"],"state_sha256":"47765aeb48834cb2b97fa588df70bf4a1f75b57afdf654182482020b49bf78c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fNNxZRFR5QUs3wuj/N3nBxUTXOrqP9W4bMjBUrPHDTdDdAdl2MpbJv/9pAszN+OKuGirdeZvvs35n0f3IIDfDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:12:06.974903Z","bundle_sha256":"a498e839c3bbbb71198db4aeea483bd2ce7d6cb2e3e6aebf9e8aa2e2b9dc3b0a"}}