{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CYNQCMO2APM7TJWOZQTABTM7DZ","short_pith_number":"pith:CYNQCMO2","canonical_record":{"source":{"id":"2501.09535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-01-16T13:36:46Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ca801647461d1dc86324a4ff2cc14a36702414643ae7a8efe1ce577e9ef133bb","abstract_canon_sha256":"bb81ed78eb63dec70205ae6850d0d5e22609470dfcb21cf74caef57e4ec5ed11"},"schema_version":"1.0"},"canonical_sha256":"161b0131da03d9f9a6cecc2600cd9f1e51c68502b735a99213c35bce5cc26236","source":{"kind":"arxiv","id":"2501.09535","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09535","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09535v1","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09535","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"CYNQCMO2APM7","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_16","alias_value":"CYNQCMO2APM7TJWO","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_8","alias_value":"CYNQCMO2","created_at":"2026-07-05T11:03:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CYNQCMO2APM7TJWOZQTABTM7DZ","target":"record","payload":{"canonical_record":{"source":{"id":"2501.09535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-01-16T13:36:46Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ca801647461d1dc86324a4ff2cc14a36702414643ae7a8efe1ce577e9ef133bb","abstract_canon_sha256":"bb81ed78eb63dec70205ae6850d0d5e22609470dfcb21cf74caef57e4ec5ed11"},"schema_version":"1.0"},"canonical_sha256":"161b0131da03d9f9a6cecc2600cd9f1e51c68502b735a99213c35bce5cc26236","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:03:20.442850Z","signature_b64":"F3xL9dEW80u0fCnNRVD2TJkN8ES/I922GAv7DgqqK9XK/6TGgpX+RdIqKa205K/Oak911k8S0gg8q5V3zla2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"161b0131da03d9f9a6cecc2600cd9f1e51c68502b735a99213c35bce5cc26236","last_reissued_at":"2026-07-05T11:03:20.442412Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:03:20.442412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.09535","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":"2026-07-05T11:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DNcb9qcJPdSzLgwbmT2sudTL5ILJc/43pTzedGE5O6VHClHA4TnczOqFZqezqwKR4txpHMjGT4wb/I/idXcSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:12:35.922944Z"},"content_sha256":"eb293e184ea2d25357ba20aa1f0093f1c5cc53deb867189a155fa642b9598a18","schema_version":"1.0","event_id":"sha256:eb293e184ea2d25357ba20aa1f0093f1c5cc53deb867189a155fa642b9598a18"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CYNQCMO2APM7TJWOZQTABTM7DZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distinct terahertz third-harmonic generation of many-body excitonic states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.str-el","authors_text":"Anneke Reinold, Changqing Zhu, Doris Reiter, Julian Heck\\\"otter, Manfred Bayer, Marc Assmann, Patrick Pilch, Sergey Kovalev, Zhe Wang","submitted_at":"2025-01-16T13:36:46Z","abstract_excerpt":"The dynamics of an electron-hole plasma governed by strong Coulomb interaction is a challenging many-body problem.We report on experimental realization of electron-hole many-body states in the picosecond time scale, with tunable densities in a representative semiconductor Cu$_2$O. By using time-resolved optical-pump terahertz third-harmonic-generation spectroscopy, we study the nonlinear terahertz dynamical characteristics of the many-body electron-hole states. We find not only efficient and nonperturbative terahertz third-harmonic yield associated with the excitonic formation, but also a nonm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09535","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.09535/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SO9W4ddR3W8+nVpBF92lGk1Bw04zsL2f1DQj3/90rDJdJ8iOtNxTleFHb3zOksAnNysAUJhR+DokW8cTX/wKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:12:35.923312Z"},"content_sha256":"eecfe4048ff073983e51145d8720d5c4f2b7173bd0e1025f16d661b515b19805","schema_version":"1.0","event_id":"sha256:eecfe4048ff073983e51145d8720d5c4f2b7173bd0e1025f16d661b515b19805"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/bundle.json","state_url":"https://pith.science/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/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":"2026-07-06T21:12:35Z","links":{"resolver":"https://pith.science/pith/CYNQCMO2APM7TJWOZQTABTM7DZ","bundle":"https://pith.science/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/bundle.json","state":"https://pith.science/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYNQCMO2APM7TJWOZQTABTM7DZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CYNQCMO2APM7TJWOZQTABTM7DZ","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":"bb81ed78eb63dec70205ae6850d0d5e22609470dfcb21cf74caef57e4ec5ed11","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-01-16T13:36:46Z","title_canon_sha256":"ca801647461d1dc86324a4ff2cc14a36702414643ae7a8efe1ce577e9ef133bb"},"schema_version":"1.0","source":{"id":"2501.09535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09535","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09535v1","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09535","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"CYNQCMO2APM7","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_16","alias_value":"CYNQCMO2APM7TJWO","created_at":"2026-07-05T11:03:20Z"},{"alias_kind":"pith_short_8","alias_value":"CYNQCMO2","created_at":"2026-07-05T11:03:20Z"}],"graph_snapshots":[{"event_id":"sha256:eecfe4048ff073983e51145d8720d5c4f2b7173bd0e1025f16d661b515b19805","target":"graph","created_at":"2026-07-05T11:03:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.09535/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The dynamics of an electron-hole plasma governed by strong Coulomb interaction is a challenging many-body problem.We report on experimental realization of electron-hole many-body states in the picosecond time scale, with tunable densities in a representative semiconductor Cu$_2$O. By using time-resolved optical-pump terahertz third-harmonic-generation spectroscopy, we study the nonlinear terahertz dynamical characteristics of the many-body electron-hole states. We find not only efficient and nonperturbative terahertz third-harmonic yield associated with the excitonic formation, but also a nonm","authors_text":"Anneke Reinold, Changqing Zhu, Doris Reiter, Julian Heck\\\"otter, Manfred Bayer, Marc Assmann, Patrick Pilch, Sergey Kovalev, Zhe Wang","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-01-16T13:36:46Z","title":"Distinct terahertz third-harmonic generation of many-body excitonic states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09535","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:eb293e184ea2d25357ba20aa1f0093f1c5cc53deb867189a155fa642b9598a18","target":"record","created_at":"2026-07-05T11:03:20Z","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":"bb81ed78eb63dec70205ae6850d0d5e22609470dfcb21cf74caef57e4ec5ed11","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-01-16T13:36:46Z","title_canon_sha256":"ca801647461d1dc86324a4ff2cc14a36702414643ae7a8efe1ce577e9ef133bb"},"schema_version":"1.0","source":{"id":"2501.09535","kind":"arxiv","version":1}},"canonical_sha256":"161b0131da03d9f9a6cecc2600cd9f1e51c68502b735a99213c35bce5cc26236","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"161b0131da03d9f9a6cecc2600cd9f1e51c68502b735a99213c35bce5cc26236","first_computed_at":"2026-07-05T11:03:20.442412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:03:20.442412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F3xL9dEW80u0fCnNRVD2TJkN8ES/I922GAv7DgqqK9XK/6TGgpX+RdIqKa205K/Oak911k8S0gg8q5V3zla2BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:03:20.442850Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.09535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb293e184ea2d25357ba20aa1f0093f1c5cc53deb867189a155fa642b9598a18","sha256:eecfe4048ff073983e51145d8720d5c4f2b7173bd0e1025f16d661b515b19805"],"state_sha256":"6360f82c93108b3a8b6578faa1135723f1d21ce7522b5c65d08654ebf068439d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cs/aXQEbfI69gLJBTW9Db3wh72G4Da3/IGQaXUD5zc2IjZee7uWX1wrdmWttgdt3RrYBkyt13CgHB6Hsbz60Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T21:12:35.925523Z","bundle_sha256":"2bf791564719539704aca5232593c339c875a419f2eb1bb4a8a653a2cc12c54c"}}