{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6O7ROEUOZ7PXIFXE3GQBRUHSA4","short_pith_number":"pith:6O7ROEUO","canonical_record":{"source":{"id":"1905.08362","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-20T22:07:00Z","cross_cats_sorted":["physics.chem-ph","quant-ph"],"title_canon_sha256":"ce90864473dcbc4e1b61176f5fde791ea56750a0418b5769f1c1f8d4ff492dca","abstract_canon_sha256":"391cc4a2edb7d0046c59bf2d2ee137520ce1931d5d294ff1a02369458c437b73"},"schema_version":"1.0"},"canonical_sha256":"f3bf17128ecfdf7416e4d9a018d0f20731ebbc35187ef2228864f498b2af1074","source":{"kind":"arxiv","id":"1905.08362","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08362","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08362v1","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08362","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"6O7ROEUOZ7PX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6O7ROEUOZ7PXIFXE","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6O7ROEUO","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6O7ROEUOZ7PXIFXE3GQBRUHSA4","target":"record","payload":{"canonical_record":{"source":{"id":"1905.08362","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-20T22:07:00Z","cross_cats_sorted":["physics.chem-ph","quant-ph"],"title_canon_sha256":"ce90864473dcbc4e1b61176f5fde791ea56750a0418b5769f1c1f8d4ff492dca","abstract_canon_sha256":"391cc4a2edb7d0046c59bf2d2ee137520ce1931d5d294ff1a02369458c437b73"},"schema_version":"1.0"},"canonical_sha256":"f3bf17128ecfdf7416e4d9a018d0f20731ebbc35187ef2228864f498b2af1074","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:43.500168Z","signature_b64":"3Sq8cQvxVRQG5CmgCB+FDZu8NI/tkCBoiHCXOCYLIvqmOyL4G8eAhyK7mDRzEdMe35uLsmXfSR7mhbLXw4LcBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3bf17128ecfdf7416e4d9a018d0f20731ebbc35187ef2228864f498b2af1074","last_reissued_at":"2026-05-17T23:45:43.499613Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:43.499613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.08362","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":"2026-05-17T23:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWHns2uzt160TPWCnH1R4EnsO0b6FvoaMn/6J8ZEXl4kMtMVe3urVA1OcnEoCtKbAnFvh0oBn65dViJEJblgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:54:10.042725Z"},"content_sha256":"e9addab3b6534b247ea6384c0b8d55c3cac1b5a9104e189c9ff9db59fd0ddf9f","schema_version":"1.0","event_id":"sha256:e9addab3b6534b247ea6384c0b8d55c3cac1b5a9104e189c9ff9db59fd0ddf9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6O7ROEUOZ7PXIFXE3GQBRUHSA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast Quantum-path Interferometry Revealing the Generation Process of Coherent Phonons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.chem-ph","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazutaka G. Nakamura, Kensuke Yokota, Rintaro Kase, Takashi Kitashima, Yosuke Kayanuma, Yuki Okuda, Yu Mishima, Yutaka Shikano","submitted_at":"2019-05-20T22:07:00Z","abstract_excerpt":"Optical dual-pulse pumping actively creates quantum-mechanical superposition of the electronic and phononic states in a bulk solid. We here made transient reflectivity measurements in an n-GaAs using a pair of relative-phase-locked femtosecond pulses and found characteristic interference fringes. This is a result of quantum-path interference peculiar to the dual-pulse excitation as indicated by theoretical calculation. Our observation reveals that the pathway of coherent phonon generation in the n-GaAs is impulsive stimulated Raman scattering at the displaced potential due to the surface-charg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08362","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":"2026-05-17T23:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMgm5qW98g3vT1Hz6vMFkfBGHgHombYc5U0Z+E0HIU5p1JR3DyAY0HId0SbTSw+FLeBlSdSH9/q7j2DAormBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:54:10.043323Z"},"content_sha256":"c635c745be9b25c2523f3a519e7dc487a92aa4656d9002e39aaab4fabe3c9634","schema_version":"1.0","event_id":"sha256:c635c745be9b25c2523f3a519e7dc487a92aa4656d9002e39aaab4fabe3c9634"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/bundle.json","state_url":"https://pith.science/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/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":"2026-06-11T00:54:10Z","links":{"resolver":"https://pith.science/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4","bundle":"https://pith.science/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/bundle.json","state":"https://pith.science/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6O7ROEUOZ7PXIFXE3GQBRUHSA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6O7ROEUOZ7PXIFXE3GQBRUHSA4","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":"391cc4a2edb7d0046c59bf2d2ee137520ce1931d5d294ff1a02369458c437b73","cross_cats_sorted":["physics.chem-ph","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-20T22:07:00Z","title_canon_sha256":"ce90864473dcbc4e1b61176f5fde791ea56750a0418b5769f1c1f8d4ff492dca"},"schema_version":"1.0","source":{"id":"1905.08362","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08362","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08362v1","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08362","created_at":"2026-05-17T23:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"6O7ROEUOZ7PX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6O7ROEUOZ7PXIFXE","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6O7ROEUO","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:c635c745be9b25c2523f3a519e7dc487a92aa4656d9002e39aaab4fabe3c9634","target":"graph","created_at":"2026-05-17T23:45:43Z","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":"Optical dual-pulse pumping actively creates quantum-mechanical superposition of the electronic and phononic states in a bulk solid. We here made transient reflectivity measurements in an n-GaAs using a pair of relative-phase-locked femtosecond pulses and found characteristic interference fringes. This is a result of quantum-path interference peculiar to the dual-pulse excitation as indicated by theoretical calculation. Our observation reveals that the pathway of coherent phonon generation in the n-GaAs is impulsive stimulated Raman scattering at the displaced potential due to the surface-charg","authors_text":"Kazutaka G. Nakamura, Kensuke Yokota, Rintaro Kase, Takashi Kitashima, Yosuke Kayanuma, Yuki Okuda, Yu Mishima, Yutaka Shikano","cross_cats":["physics.chem-ph","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-20T22:07:00Z","title":"Ultrafast Quantum-path Interferometry Revealing the Generation Process of Coherent Phonons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08362","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:e9addab3b6534b247ea6384c0b8d55c3cac1b5a9104e189c9ff9db59fd0ddf9f","target":"record","created_at":"2026-05-17T23:45:43Z","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":"391cc4a2edb7d0046c59bf2d2ee137520ce1931d5d294ff1a02369458c437b73","cross_cats_sorted":["physics.chem-ph","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-20T22:07:00Z","title_canon_sha256":"ce90864473dcbc4e1b61176f5fde791ea56750a0418b5769f1c1f8d4ff492dca"},"schema_version":"1.0","source":{"id":"1905.08362","kind":"arxiv","version":1}},"canonical_sha256":"f3bf17128ecfdf7416e4d9a018d0f20731ebbc35187ef2228864f498b2af1074","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3bf17128ecfdf7416e4d9a018d0f20731ebbc35187ef2228864f498b2af1074","first_computed_at":"2026-05-17T23:45:43.499613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:43.499613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Sq8cQvxVRQG5CmgCB+FDZu8NI/tkCBoiHCXOCYLIvqmOyL4G8eAhyK7mDRzEdMe35uLsmXfSR7mhbLXw4LcBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:43.500168Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.08362","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9addab3b6534b247ea6384c0b8d55c3cac1b5a9104e189c9ff9db59fd0ddf9f","sha256:c635c745be9b25c2523f3a519e7dc487a92aa4656d9002e39aaab4fabe3c9634"],"state_sha256":"afb5e1df19086f4f6eace904fcde42b0fae07cb2551f5bdf00b46548f4b7426b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYFyzhRouv+lEcZx5IAsuXhX2dW+lAPLupmK2LdlTcXfu9Mg4shtHKbb8NdavyK1qOGGP5Q32weVo1IOtvJ6Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:54:10.046636Z","bundle_sha256":"87e279ca74c25a67cebb6f91826f8d0439d208a4985ea98e24217919717b36f4"}}