{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J2PGZGRORWTDAWIEENHO2VJUBF","short_pith_number":"pith:J2PGZGRO","canonical_record":{"source":{"id":"1802.07950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-22T09:15:20Z","cross_cats_sorted":[],"title_canon_sha256":"09073cb3b5cd046f94fa07f265bcaada6e95b15dadc143ad0624980ccd03fd7d","abstract_canon_sha256":"4a62e3da80e4afbfd9a56b459f453101e27c1fb1b73cee34db6e4624751fd503"},"schema_version":"1.0"},"canonical_sha256":"4e9e6c9a2e8da6305904234eed55340973c29b5894a0fd49f8068c0daabd3daf","source":{"kind":"arxiv","id":"1802.07950","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07950","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07950v1","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07950","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"J2PGZGRORWTD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2PGZGRORWTDAWIE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2PGZGRO","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J2PGZGRORWTDAWIEENHO2VJUBF","target":"record","payload":{"canonical_record":{"source":{"id":"1802.07950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-22T09:15:20Z","cross_cats_sorted":[],"title_canon_sha256":"09073cb3b5cd046f94fa07f265bcaada6e95b15dadc143ad0624980ccd03fd7d","abstract_canon_sha256":"4a62e3da80e4afbfd9a56b459f453101e27c1fb1b73cee34db6e4624751fd503"},"schema_version":"1.0"},"canonical_sha256":"4e9e6c9a2e8da6305904234eed55340973c29b5894a0fd49f8068c0daabd3daf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:20.812443Z","signature_b64":"xEQjXPViY/0T5IKWBKCzCn8VbJDU5fwv3eziYTlGwyobQdfxU6isgoYTnt+x0Wy5oy+YzwBRFO2J4hOyZhs2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e9e6c9a2e8da6305904234eed55340973c29b5894a0fd49f8068c0daabd3daf","last_reissued_at":"2026-05-18T00:19:20.811863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:20.811863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.07950","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":"2026-05-18T00:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UzogOUDzY9yda0bb5ru7a2rq/5NAf93pyBmeL5K+OuQEml3kRMK7fbBfyrvtRb299XVwql5xmUoeFIOzOQM4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:57:44.147155Z"},"content_sha256":"6502f5efc123748f4973d98d2f2aa3e0b5b2637bda1cb6e6ade631c5438baf8b","schema_version":"1.0","event_id":"sha256:6502f5efc123748f4973d98d2f2aa3e0b5b2637bda1cb6e6ade631c5438baf8b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J2PGZGRORWTDAWIEENHO2VJUBF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photoinduced enhancement of excitonic order in the two-orbital Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Kenji Yonemitsu, Manabu Daira, Yasuhiro Tanaka","submitted_at":"2018-02-22T09:15:20Z","abstract_excerpt":"Photoinduced dynamics in an excitonic insulator is studied theoretically by using a two-orbital Hubbard model on the square lattice where the excitonic phase in the ground state is characterized by the BCS-BEC crossover as a function of the interorbital Coulomb interaction. We consider the case where the order has a wave vector $Q=(0,0)$ and photoexcitation is introduced by a dipole transition. Within the mean-field approximation, we show that the excitonic order can be enhanced by the photoexcitation when the system is initially in the BEC regime of the excitonic phase, whereas it is reduced "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07950","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":"2026-05-18T00:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6xJtdtUehjqZgbkTfJQ0ebb64t0HXJYnRYUo7APHY0plJIYFeaGzkRcdLsSpM/RpMC6HWhwejJtJr7bxHH8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:57:44.147554Z"},"content_sha256":"6ddee97cb88d7921c9ae438e7c03adf6a307f04257ffafe2da13283f00fe59e8","schema_version":"1.0","event_id":"sha256:6ddee97cb88d7921c9ae438e7c03adf6a307f04257ffafe2da13283f00fe59e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2PGZGRORWTDAWIEENHO2VJUBF/bundle.json","state_url":"https://pith.science/pith/J2PGZGRORWTDAWIEENHO2VJUBF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2PGZGRORWTDAWIEENHO2VJUBF/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":"2026-06-03T18:57:44Z","links":{"resolver":"https://pith.science/pith/J2PGZGRORWTDAWIEENHO2VJUBF","bundle":"https://pith.science/pith/J2PGZGRORWTDAWIEENHO2VJUBF/bundle.json","state":"https://pith.science/pith/J2PGZGRORWTDAWIEENHO2VJUBF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2PGZGRORWTDAWIEENHO2VJUBF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J2PGZGRORWTDAWIEENHO2VJUBF","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":"4a62e3da80e4afbfd9a56b459f453101e27c1fb1b73cee34db6e4624751fd503","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-22T09:15:20Z","title_canon_sha256":"09073cb3b5cd046f94fa07f265bcaada6e95b15dadc143ad0624980ccd03fd7d"},"schema_version":"1.0","source":{"id":"1802.07950","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07950","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07950v1","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07950","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"J2PGZGRORWTD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2PGZGRORWTDAWIE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2PGZGRO","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:6ddee97cb88d7921c9ae438e7c03adf6a307f04257ffafe2da13283f00fe59e8","target":"graph","created_at":"2026-05-18T00:19:20Z","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":"Photoinduced dynamics in an excitonic insulator is studied theoretically by using a two-orbital Hubbard model on the square lattice where the excitonic phase in the ground state is characterized by the BCS-BEC crossover as a function of the interorbital Coulomb interaction. We consider the case where the order has a wave vector $Q=(0,0)$ and photoexcitation is introduced by a dipole transition. Within the mean-field approximation, we show that the excitonic order can be enhanced by the photoexcitation when the system is initially in the BEC regime of the excitonic phase, whereas it is reduced ","authors_text":"Kenji Yonemitsu, Manabu Daira, Yasuhiro Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-22T09:15:20Z","title":"Photoinduced enhancement of excitonic order in the two-orbital Hubbard model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07950","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":"sha256:6502f5efc123748f4973d98d2f2aa3e0b5b2637bda1cb6e6ade631c5438baf8b","target":"record","created_at":"2026-05-18T00:19:20Z","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":"4a62e3da80e4afbfd9a56b459f453101e27c1fb1b73cee34db6e4624751fd503","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-22T09:15:20Z","title_canon_sha256":"09073cb3b5cd046f94fa07f265bcaada6e95b15dadc143ad0624980ccd03fd7d"},"schema_version":"1.0","source":{"id":"1802.07950","kind":"arxiv","version":1}},"canonical_sha256":"4e9e6c9a2e8da6305904234eed55340973c29b5894a0fd49f8068c0daabd3daf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e9e6c9a2e8da6305904234eed55340973c29b5894a0fd49f8068c0daabd3daf","first_computed_at":"2026-05-18T00:19:20.811863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:20.811863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xEQjXPViY/0T5IKWBKCzCn8VbJDU5fwv3eziYTlGwyobQdfxU6isgoYTnt+x0Wy5oy+YzwBRFO2J4hOyZhs2Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:20.812443Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.07950","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6502f5efc123748f4973d98d2f2aa3e0b5b2637bda1cb6e6ade631c5438baf8b","sha256:6ddee97cb88d7921c9ae438e7c03adf6a307f04257ffafe2da13283f00fe59e8"],"state_sha256":"5bc64ee6fb81574271148f6dba5310d6abf4eea266847f5417a3582a28899031"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3JaeJNE65npjcm2KlHvTdQuOqwi/oDbyJIEcID3KpW7+DY9HQ1PsTI/9TD58w1MIcmXPtVfN2buBk/vl6XZXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:57:44.149631Z","bundle_sha256":"198bee4ea23476e64ae5c0b41b186e7657dc1d0e592c3cf30aabbd9d5b651c06"}}