{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BTSDDPROBV7AFODXSQVXCSZSWU","short_pith_number":"pith:BTSDDPRO","canonical_record":{"source":{"id":"1705.02439","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-06T04:05:09Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ed3054ba5990c1441b4c802ad7bf8d6035e116f5da960d7e9c934c6c7f589b01","abstract_canon_sha256":"c3ed628a960240528c4d156b317d01d96a29ce88c032f1f1ac06acce26207edc"},"schema_version":"1.0"},"canonical_sha256":"0ce431be2e0d7e02b877942b714b32b517955357643c4dd8c81a7d198ca47c95","source":{"kind":"arxiv","id":"1705.02439","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02439","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02439v2","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02439","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"BTSDDPROBV7A","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BTSDDPROBV7AFODX","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BTSDDPRO","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BTSDDPROBV7AFODXSQVXCSZSWU","target":"record","payload":{"canonical_record":{"source":{"id":"1705.02439","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-06T04:05:09Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ed3054ba5990c1441b4c802ad7bf8d6035e116f5da960d7e9c934c6c7f589b01","abstract_canon_sha256":"c3ed628a960240528c4d156b317d01d96a29ce88c032f1f1ac06acce26207edc"},"schema_version":"1.0"},"canonical_sha256":"0ce431be2e0d7e02b877942b714b32b517955357643c4dd8c81a7d198ca47c95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:20.487962Z","signature_b64":"g4WBGKF+a+07fobjzML2PdI5WObPzTy78oGV0PyLjtWWDUOyXvqpQCz5tDs5X369rqGCEHNsb67QvXgWeZvHBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ce431be2e0d7e02b877942b714b32b517955357643c4dd8c81a7d198ca47c95","last_reissued_at":"2026-05-18T00:41:20.487395Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:20.487395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.02439","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ECbIPqbmiE8ZqqVT0IFyTp+Re0dltDQg8AYmCDa2utqOA/eUNRa5hhFSG88B+BiuJloVzoI+5DFXMYGqD/0NBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:03:12.496206Z"},"content_sha256":"2690119271e31b10ee90a789ec83ebfc96d9fc92af23500346769be25685a370","schema_version":"1.0","event_id":"sha256:2690119271e31b10ee90a789ec83ebfc96d9fc92af23500346769be25685a370"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BTSDDPROBV7AFODXSQVXCSZSWU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model of ultrafast demagnetization driven by spin-orbit coupling in a photoexcited antiferromagnetic insulator Cr2O3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Feng Guo, Jun Chang, Na Zhang, Wei Jin","submitted_at":"2017-05-06T04:05:09Z","abstract_excerpt":"We theoretically study the dynamic time evolution following laser pulse pumping in an antiferromagnetic insulator Cr$_{2}$O$_{3}$. From the photoexcited high-spin quartet states to the long-lived low-spin doublet states, the ultrafast demagnetization processes are investigated by solving the dissipative Schr\\\"odinger equation. We find that the demagnetization times are of the order of hundreds of femtosecond, in good agreement with recent experiments. The switching times could be strongly reduced by properly tuning the energy gaps between the multiplet energy levels of Cr$^{3+}$. Furthermore, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02439","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZyBRHk8821tcEMqmhX4a9B9JduW5ZRx9gEbiTCUmKyahklVzgccKS3shBnh69G/sVV7u6qrj7IwNnVtCEGzqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:03:12.496898Z"},"content_sha256":"c9f260493048e96022e33d974ddb97d9f5df29b9e8f91e05c72727388b734b4f","schema_version":"1.0","event_id":"sha256:c9f260493048e96022e33d974ddb97d9f5df29b9e8f91e05c72727388b734b4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BTSDDPROBV7AFODXSQVXCSZSWU/bundle.json","state_url":"https://pith.science/pith/BTSDDPROBV7AFODXSQVXCSZSWU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BTSDDPROBV7AFODXSQVXCSZSWU/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":"2026-05-25T10:03:12Z","links":{"resolver":"https://pith.science/pith/BTSDDPROBV7AFODXSQVXCSZSWU","bundle":"https://pith.science/pith/BTSDDPROBV7AFODXSQVXCSZSWU/bundle.json","state":"https://pith.science/pith/BTSDDPROBV7AFODXSQVXCSZSWU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BTSDDPROBV7AFODXSQVXCSZSWU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BTSDDPROBV7AFODXSQVXCSZSWU","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":"c3ed628a960240528c4d156b317d01d96a29ce88c032f1f1ac06acce26207edc","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-06T04:05:09Z","title_canon_sha256":"ed3054ba5990c1441b4c802ad7bf8d6035e116f5da960d7e9c934c6c7f589b01"},"schema_version":"1.0","source":{"id":"1705.02439","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02439","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02439v2","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02439","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"BTSDDPROBV7A","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BTSDDPROBV7AFODX","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BTSDDPRO","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:c9f260493048e96022e33d974ddb97d9f5df29b9e8f91e05c72727388b734b4f","target":"graph","created_at":"2026-05-18T00:41:20Z","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 theoretically study the dynamic time evolution following laser pulse pumping in an antiferromagnetic insulator Cr$_{2}$O$_{3}$. From the photoexcited high-spin quartet states to the long-lived low-spin doublet states, the ultrafast demagnetization processes are investigated by solving the dissipative Schr\\\"odinger equation. We find that the demagnetization times are of the order of hundreds of femtosecond, in good agreement with recent experiments. The switching times could be strongly reduced by properly tuning the energy gaps between the multiplet energy levels of Cr$^{3+}$. Furthermore, ","authors_text":"Feng Guo, Jun Chang, Na Zhang, Wei Jin","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-06T04:05:09Z","title":"Model of ultrafast demagnetization driven by spin-orbit coupling in a photoexcited antiferromagnetic insulator Cr2O3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02439","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":"sha256:2690119271e31b10ee90a789ec83ebfc96d9fc92af23500346769be25685a370","target":"record","created_at":"2026-05-18T00:41:20Z","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":"c3ed628a960240528c4d156b317d01d96a29ce88c032f1f1ac06acce26207edc","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-06T04:05:09Z","title_canon_sha256":"ed3054ba5990c1441b4c802ad7bf8d6035e116f5da960d7e9c934c6c7f589b01"},"schema_version":"1.0","source":{"id":"1705.02439","kind":"arxiv","version":2}},"canonical_sha256":"0ce431be2e0d7e02b877942b714b32b517955357643c4dd8c81a7d198ca47c95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ce431be2e0d7e02b877942b714b32b517955357643c4dd8c81a7d198ca47c95","first_computed_at":"2026-05-18T00:41:20.487395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:20.487395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g4WBGKF+a+07fobjzML2PdI5WObPzTy78oGV0PyLjtWWDUOyXvqpQCz5tDs5X369rqGCEHNsb67QvXgWeZvHBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:20.487962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02439","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2690119271e31b10ee90a789ec83ebfc96d9fc92af23500346769be25685a370","sha256:c9f260493048e96022e33d974ddb97d9f5df29b9e8f91e05c72727388b734b4f"],"state_sha256":"c341140729a4ea4aea90a6e8efc6542921f85866cf96f7ed4df867dc7dfff0a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0hTKukOW4n7rZYG0cTsgTBNiqgRdlDDiBr1xmC+IcfV11OH7jsNjhf0HPwm4nlurIosNDuK9zTG8DdTmsVshDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:03:12.500815Z","bundle_sha256":"7ed8522ad91d2d1be3208ee87ac3ce91e0a1f4a1bccfc502298b08277ef00d42"}}