{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LT5L4JDTGUA7RD2UBHK4Y35UDJ","short_pith_number":"pith:LT5L4JDT","canonical_record":{"source":{"id":"2311.14300","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-24T06:22:09Z","cross_cats_sorted":[],"title_canon_sha256":"859979a77add789aa3909443f4ecabf3cdf6252c621207ca2e5e92cc68cb18cd","abstract_canon_sha256":"675a53e186abd98d3204d3f555aa59d6197742e932e62d283ee85acfd3aee316"},"schema_version":"1.0"},"canonical_sha256":"5cfabe24733501f88f5409d5cc6fb41a78992d2d0da7ef9a888db8ba74afb23c","source":{"kind":"arxiv","id":"2311.14300","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.14300","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"2311.14300v2","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.14300","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"LT5L4JDTGUA7","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_16","alias_value":"LT5L4JDTGUA7RD2U","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_8","alias_value":"LT5L4JDT","created_at":"2026-07-05T07:48:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LT5L4JDTGUA7RD2UBHK4Y35UDJ","target":"record","payload":{"canonical_record":{"source":{"id":"2311.14300","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-24T06:22:09Z","cross_cats_sorted":[],"title_canon_sha256":"859979a77add789aa3909443f4ecabf3cdf6252c621207ca2e5e92cc68cb18cd","abstract_canon_sha256":"675a53e186abd98d3204d3f555aa59d6197742e932e62d283ee85acfd3aee316"},"schema_version":"1.0"},"canonical_sha256":"5cfabe24733501f88f5409d5cc6fb41a78992d2d0da7ef9a888db8ba74afb23c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:48:33.019134Z","signature_b64":"C2ipYW040hpwHYH3eEZtJK/lpo0REmOuvPI2/iOi/g+VsgSe0bfW1A2kqvbtUH+NmMxBLTYMj5kUzJzGU3XABw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cfabe24733501f88f5409d5cc6fb41a78992d2d0da7ef9a888db8ba74afb23c","last_reissued_at":"2026-07-05T07:48:33.018675Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:48:33.018675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.14300","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":"2026-07-05T07:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ey9oaY9fQJpaQC8VeYYXaVghu2k2zrXtpAVdg0kBE83V4NgDhoxi27sQKCwH2tZbr+g0PbeB7O8SqvdaFcQKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T20:54:25.168189Z"},"content_sha256":"a1a659e295db37f7f51c07675692e98d06dd4ff174a0d0c913024b97431e61c4","schema_version":"1.0","event_id":"sha256:a1a659e295db37f7f51c07675692e98d06dd4ff174a0d0c913024b97431e61c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LT5L4JDTGUA7RD2UBHK4Y35UDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of unconventional van der Waals multiferroics near room temperature","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bo Peng, Chendi Yang, Haipeng Lu, Liang Qiao, Longjiang Deng, Nanshu Liu, Renchao Che, Wei Ji, Xiaocang Han, Xiaoxu Zhao, Yangliu Wu","submitted_at":"2023-11-24T06:22:09Z","abstract_excerpt":"The search for two-dimensional (2D) van der Waals (vdW) multiferroics is an exciting yet challenging endeavor. Room-temperature 2D vdW few-layer multiferroic is a much bigger insurmountable obstacle. Here we report the discovery of an unconventional 2D vdW multiferroic with out-of-plane ferroelectric polarization and long-range magnetic orders in trilayer NiI2 device from 10 K to 295 K. The evolutions of magnetic domains with magnetic field, and the evolutions between ferroelectric and antiferroelectric phase have been unambiguously observed. More significantly, we realize a robust mutual cont"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.14300","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.14300/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":"2026-07-05T07:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Zw7z2vvn6HlX68Xm32xdRyRawrgSdPE5078xWehkGSMtLF/59yL09M0aggTAmY9axnEfr5HwEwYuDA0hHzECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T20:54:25.168691Z"},"content_sha256":"ec52defcf2cde356355c79dfa195430ab3741ea7212571183af9146f31522ec9","schema_version":"1.0","event_id":"sha256:ec52defcf2cde356355c79dfa195430ab3741ea7212571183af9146f31522ec9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/bundle.json","state_url":"https://pith.science/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/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":"2026-08-23T20:54:25Z","links":{"resolver":"https://pith.science/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ","bundle":"https://pith.science/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/bundle.json","state":"https://pith.science/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LT5L4JDTGUA7RD2UBHK4Y35UDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LT5L4JDTGUA7RD2UBHK4Y35UDJ","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":"675a53e186abd98d3204d3f555aa59d6197742e932e62d283ee85acfd3aee316","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-24T06:22:09Z","title_canon_sha256":"859979a77add789aa3909443f4ecabf3cdf6252c621207ca2e5e92cc68cb18cd"},"schema_version":"1.0","source":{"id":"2311.14300","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.14300","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"2311.14300v2","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.14300","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"LT5L4JDTGUA7","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_16","alias_value":"LT5L4JDTGUA7RD2U","created_at":"2026-07-05T07:48:33Z"},{"alias_kind":"pith_short_8","alias_value":"LT5L4JDT","created_at":"2026-07-05T07:48:33Z"}],"graph_snapshots":[{"event_id":"sha256:ec52defcf2cde356355c79dfa195430ab3741ea7212571183af9146f31522ec9","target":"graph","created_at":"2026-07-05T07:48:33Z","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/2311.14300/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The search for two-dimensional (2D) van der Waals (vdW) multiferroics is an exciting yet challenging endeavor. Room-temperature 2D vdW few-layer multiferroic is a much bigger insurmountable obstacle. Here we report the discovery of an unconventional 2D vdW multiferroic with out-of-plane ferroelectric polarization and long-range magnetic orders in trilayer NiI2 device from 10 K to 295 K. The evolutions of magnetic domains with magnetic field, and the evolutions between ferroelectric and antiferroelectric phase have been unambiguously observed. More significantly, we realize a robust mutual cont","authors_text":"Bo Peng, Chendi Yang, Haipeng Lu, Liang Qiao, Longjiang Deng, Nanshu Liu, Renchao Che, Wei Ji, Xiaocang Han, Xiaoxu Zhao, Yangliu Wu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-24T06:22:09Z","title":"Observation of unconventional van der Waals multiferroics near room temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.14300","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:a1a659e295db37f7f51c07675692e98d06dd4ff174a0d0c913024b97431e61c4","target":"record","created_at":"2026-07-05T07:48:33Z","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":"675a53e186abd98d3204d3f555aa59d6197742e932e62d283ee85acfd3aee316","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-24T06:22:09Z","title_canon_sha256":"859979a77add789aa3909443f4ecabf3cdf6252c621207ca2e5e92cc68cb18cd"},"schema_version":"1.0","source":{"id":"2311.14300","kind":"arxiv","version":2}},"canonical_sha256":"5cfabe24733501f88f5409d5cc6fb41a78992d2d0da7ef9a888db8ba74afb23c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cfabe24733501f88f5409d5cc6fb41a78992d2d0da7ef9a888db8ba74afb23c","first_computed_at":"2026-07-05T07:48:33.018675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:48:33.018675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C2ipYW040hpwHYH3eEZtJK/lpo0REmOuvPI2/iOi/g+VsgSe0bfW1A2kqvbtUH+NmMxBLTYMj5kUzJzGU3XABw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:48:33.019134Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.14300","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1a659e295db37f7f51c07675692e98d06dd4ff174a0d0c913024b97431e61c4","sha256:ec52defcf2cde356355c79dfa195430ab3741ea7212571183af9146f31522ec9"],"state_sha256":"71062f55e4f646e06501aa6453a746af15a59ecb1eeb9f20d5bb0cd6fa9a16d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BQSLDRO/xUCedyyhrbsIKd/YRQlOejbYK4mpzp/6tCI5Vaq8pmSYhKJEshAzbaF0jb8KkXD4jw/IcqdsOLLAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T20:54:25.173541Z","bundle_sha256":"8d540b74e1cccca7cd168121f00cec0f5a77bfc9a935cf6a41194298c642cc6f"}}