{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SVD7LSOFQOMTQMYGWDVS6KDDQJ","short_pith_number":"pith:SVD7LSOF","canonical_record":{"source":{"id":"1705.10627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-05-30T13:39:49Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"206c054e39a57d968dd710765d46eb4482cbf335d4a8dfedfc2676e02aa082a7","abstract_canon_sha256":"f52dc3b0392ba0b550f96b9976d738a3dfa032584bd310224006cfbaf6550d80"},"schema_version":"1.0"},"canonical_sha256":"9547f5c9c58399383306b0eb2f28638279356fb73fb26539618a60ff9da45f7d","source":{"kind":"arxiv","id":"1705.10627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.10627","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1705.10627v1","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.10627","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"SVD7LSOFQOMT","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SVD7LSOFQOMTQMYG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SVD7LSOF","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SVD7LSOFQOMTQMYGWDVS6KDDQJ","target":"record","payload":{"canonical_record":{"source":{"id":"1705.10627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-05-30T13:39:49Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"206c054e39a57d968dd710765d46eb4482cbf335d4a8dfedfc2676e02aa082a7","abstract_canon_sha256":"f52dc3b0392ba0b550f96b9976d738a3dfa032584bd310224006cfbaf6550d80"},"schema_version":"1.0"},"canonical_sha256":"9547f5c9c58399383306b0eb2f28638279356fb73fb26539618a60ff9da45f7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:49.637294Z","signature_b64":"YiLFBv65WrczXcPqDpVjHwBkwaP7W1T4hxES3YMhg/O3diIVYDEF5+yNX/ELyLOygUwbP8jiBInnpHm9rX7lCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9547f5c9c58399383306b0eb2f28638279356fb73fb26539618a60ff9da45f7d","last_reissued_at":"2026-05-18T00:33:49.636877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:49.636877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.10627","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":"2026-05-18T00:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qDBvu3j2S3bTy7yVp/ydItpudvspBa2/dlKBX/KYX7kX0jQcKcf1kXpzdoSKjtGx9TquAlGAJJlrdlxWj8MbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T02:38:59.398396Z"},"content_sha256":"7bd3bba0a1b92542798eef63680d1f56df2b0b9b5871dbb240cbda2aca7eb23b","schema_version":"1.0","event_id":"sha256:7bd3bba0a1b92542798eef63680d1f56df2b0b9b5871dbb240cbda2aca7eb23b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SVD7LSOFQOMTQMYGWDVS6KDDQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast optical control of spin in semiconductor interfacial structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.other","authors_text":"F. Troj\\'anek, J. Wunderlich, K. Olejn\\'ik, L. N\\'advorn\\'ik, M. Sur\\'ynek, P. N\\v{e}mec, T. Jungwirth, V. Nov\\'ak","submitted_at":"2017-05-30T13:39:49Z","abstract_excerpt":"We report on a picosecond-fast optical removal of spin polarization from a self-confined photo-carrier system at an undoped GaAs/AlGaAs interface possessing superior long-range and high-speed spin transport properties. We employed a modified resonant spin amplification technique with unequal intensities of subsequent pump pulses to experimentally distinguish the evolution of spin populations originating from different excitation laser pulses. We demonstrate that the density of spins, which is injected into the system by means of the optical orientation, can be controlled by reducing the electr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.10627","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":"2026-05-18T00:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jOesRwZvJs36SnLwYJ/sZLMo30g4Q6mVSo79PDAZas7JCzKZQyuF/B70cIwbi2aOSEWWYADIZ4hsgOcoLPalAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T02:38:59.399066Z"},"content_sha256":"97721d7bbd4681aec3c88f1ff11974525c5225d4b42282609061369d0c26ee05","schema_version":"1.0","event_id":"sha256:97721d7bbd4681aec3c88f1ff11974525c5225d4b42282609061369d0c26ee05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/bundle.json","state_url":"https://pith.science/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/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":"2026-05-22T02:38:59Z","links":{"resolver":"https://pith.science/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ","bundle":"https://pith.science/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/bundle.json","state":"https://pith.science/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SVD7LSOFQOMTQMYGWDVS6KDDQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SVD7LSOFQOMTQMYGWDVS6KDDQJ","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":"f52dc3b0392ba0b550f96b9976d738a3dfa032584bd310224006cfbaf6550d80","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-05-30T13:39:49Z","title_canon_sha256":"206c054e39a57d968dd710765d46eb4482cbf335d4a8dfedfc2676e02aa082a7"},"schema_version":"1.0","source":{"id":"1705.10627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.10627","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1705.10627v1","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.10627","created_at":"2026-05-18T00:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"SVD7LSOFQOMT","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SVD7LSOFQOMTQMYG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SVD7LSOF","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:97721d7bbd4681aec3c88f1ff11974525c5225d4b42282609061369d0c26ee05","target":"graph","created_at":"2026-05-18T00:33:49Z","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 report on a picosecond-fast optical removal of spin polarization from a self-confined photo-carrier system at an undoped GaAs/AlGaAs interface possessing superior long-range and high-speed spin transport properties. We employed a modified resonant spin amplification technique with unequal intensities of subsequent pump pulses to experimentally distinguish the evolution of spin populations originating from different excitation laser pulses. We demonstrate that the density of spins, which is injected into the system by means of the optical orientation, can be controlled by reducing the electr","authors_text":"F. Troj\\'anek, J. Wunderlich, K. Olejn\\'ik, L. N\\'advorn\\'ik, M. Sur\\'ynek, P. N\\v{e}mec, T. Jungwirth, V. Nov\\'ak","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-05-30T13:39:49Z","title":"Fast optical control of spin in semiconductor interfacial structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.10627","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":"sha256:7bd3bba0a1b92542798eef63680d1f56df2b0b9b5871dbb240cbda2aca7eb23b","target":"record","created_at":"2026-05-18T00:33:49Z","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":"f52dc3b0392ba0b550f96b9976d738a3dfa032584bd310224006cfbaf6550d80","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-05-30T13:39:49Z","title_canon_sha256":"206c054e39a57d968dd710765d46eb4482cbf335d4a8dfedfc2676e02aa082a7"},"schema_version":"1.0","source":{"id":"1705.10627","kind":"arxiv","version":1}},"canonical_sha256":"9547f5c9c58399383306b0eb2f28638279356fb73fb26539618a60ff9da45f7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9547f5c9c58399383306b0eb2f28638279356fb73fb26539618a60ff9da45f7d","first_computed_at":"2026-05-18T00:33:49.636877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:49.636877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YiLFBv65WrczXcPqDpVjHwBkwaP7W1T4hxES3YMhg/O3diIVYDEF5+yNX/ELyLOygUwbP8jiBInnpHm9rX7lCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:49.637294Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.10627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bd3bba0a1b92542798eef63680d1f56df2b0b9b5871dbb240cbda2aca7eb23b","sha256:97721d7bbd4681aec3c88f1ff11974525c5225d4b42282609061369d0c26ee05"],"state_sha256":"836c0c326910fe6ca1dac1ba89079ba7a91cffc8cf152bf11b8e55032dc7c63a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DmWCtsCAbvijwWtfY1JUNRtOsExhHVz0PQZo5YmBI6XvIo4FtLwaR0WztFiIfwQB4+UDbo4bYDng6g0mZHpBBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T02:38:59.402810Z","bundle_sha256":"f90538ff9495fb254b97a8041969cf80daae005653376d8060ffadf7a8e8db86"}}