{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZIFV7KUVE3T5WCLVSSWWDAIVXO","short_pith_number":"pith:ZIFV7KUV","canonical_record":{"source":{"id":"1906.05802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-09T06:40:12Z","cross_cats_sorted":[],"title_canon_sha256":"52adfd4de1745c182aa9587efb5de89dce0e132a38a625f266b890be0c68e73c","abstract_canon_sha256":"bab8fbdbcc6c1f0c969874ce436bdef3eb2e0b0933b89353fee9eeeeb839fc08"},"schema_version":"1.0"},"canonical_sha256":"ca0b5faa9526e7db097594ad618115bbbe8c84d9b3f5ab101a8e09bc10d4cf6d","source":{"kind":"arxiv","id":"1906.05802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.05802","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"arxiv_version","alias_value":"1906.05802v1","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.05802","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"pith_short_12","alias_value":"ZIFV7KUVE3T5","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"ZIFV7KUVE3T5WCLV","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"ZIFV7KUV","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZIFV7KUVE3T5WCLVSSWWDAIVXO","target":"record","payload":{"canonical_record":{"source":{"id":"1906.05802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-09T06:40:12Z","cross_cats_sorted":[],"title_canon_sha256":"52adfd4de1745c182aa9587efb5de89dce0e132a38a625f266b890be0c68e73c","abstract_canon_sha256":"bab8fbdbcc6c1f0c969874ce436bdef3eb2e0b0933b89353fee9eeeeb839fc08"},"schema_version":"1.0"},"canonical_sha256":"ca0b5faa9526e7db097594ad618115bbbe8c84d9b3f5ab101a8e09bc10d4cf6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:24.331463Z","signature_b64":"1868GRbzSpCF2nFPQG/Pw71/q6kRJlAQ4v9d2vB7FpsYLWyyAX/ja0VwbVtz95TJ/y/citCX381s+qtMXr/AAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca0b5faa9526e7db097594ad618115bbbe8c84d9b3f5ab101a8e09bc10d4cf6d","last_reissued_at":"2026-05-17T23:43:24.330867Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:24.330867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.05802","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":"2026-05-17T23:43:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"420iNVhlqv1LSfHmKF9jxaHi/yNXQzBKDzWgxuNoBHmU1iVArj96giv2FBWOlybjh6o7bLfeEGIdwL5KKOrjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:56:06.597406Z"},"content_sha256":"5600cbe3723573655250a7bac2bb215298eb0d1b257f21ca6983f17496520517","schema_version":"1.0","event_id":"sha256:5600cbe3723573655250a7bac2bb215298eb0d1b257f21ca6983f17496520517"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZIFV7KUVE3T5WCLVSSWWDAIVXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Antiferromagnetic ordering in van der Waals two-dimensional magnetic material MnPS3 probed by Raman spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Cheol-Hwan Park, Hyeonsik Cheong, Jae-Ung Lee, Je-Geun Park, Jungcheol Kim, Kangwon Kim, Kisoo Park, Pilkwang Kim, Soo Yeon Lim, Suhan Son, Sungmin Lee","submitted_at":"2019-06-09T06:40:12Z","abstract_excerpt":"Magnetic ordering in the two-dimensional limit has been one of the most important issues in condensed matter physics for the past several decades. The recent discovery of new magnetic van der Waals materials heralds a much-needed easy route for the studies of two-dimensional magnetism: the thickness dependence of the magnetic ordering has been examined by using Ising- and XXZ-type magnetic van der Waals materials. Here, we investigated the magnetic ordering of MnPS3, a two-dimensional antiferromagnetic material of Heisenberg-type, by Raman spectroscopy from bulk all the way down to bilayer. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.05802","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":"2026-05-17T23:43:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SLPFpoEOPKXK8NreXvKT8gOcJHPLV6dK9JJ+E2WJFyGDtg9uRHlCDDmyuV5IO02oOAWVW3eVIhfUEfTlapECAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:56:06.597756Z"},"content_sha256":"a3a578f08ae698bbb74fdf6a6163a55bada1d8dee9583fa565fd3cd68283d3b7","schema_version":"1.0","event_id":"sha256:a3a578f08ae698bbb74fdf6a6163a55bada1d8dee9583fa565fd3cd68283d3b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/bundle.json","state_url":"https://pith.science/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/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":"2026-06-03T13:56:06Z","links":{"resolver":"https://pith.science/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO","bundle":"https://pith.science/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/bundle.json","state":"https://pith.science/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZIFV7KUVE3T5WCLVSSWWDAIVXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZIFV7KUVE3T5WCLVSSWWDAIVXO","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":"bab8fbdbcc6c1f0c969874ce436bdef3eb2e0b0933b89353fee9eeeeb839fc08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-09T06:40:12Z","title_canon_sha256":"52adfd4de1745c182aa9587efb5de89dce0e132a38a625f266b890be0c68e73c"},"schema_version":"1.0","source":{"id":"1906.05802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.05802","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"arxiv_version","alias_value":"1906.05802v1","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.05802","created_at":"2026-05-17T23:43:24Z"},{"alias_kind":"pith_short_12","alias_value":"ZIFV7KUVE3T5","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"ZIFV7KUVE3T5WCLV","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"ZIFV7KUV","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:a3a578f08ae698bbb74fdf6a6163a55bada1d8dee9583fa565fd3cd68283d3b7","target":"graph","created_at":"2026-05-17T23:43:24Z","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":"Magnetic ordering in the two-dimensional limit has been one of the most important issues in condensed matter physics for the past several decades. The recent discovery of new magnetic van der Waals materials heralds a much-needed easy route for the studies of two-dimensional magnetism: the thickness dependence of the magnetic ordering has been examined by using Ising- and XXZ-type magnetic van der Waals materials. Here, we investigated the magnetic ordering of MnPS3, a two-dimensional antiferromagnetic material of Heisenberg-type, by Raman spectroscopy from bulk all the way down to bilayer. Th","authors_text":"Cheol-Hwan Park, Hyeonsik Cheong, Jae-Ung Lee, Je-Geun Park, Jungcheol Kim, Kangwon Kim, Kisoo Park, Pilkwang Kim, Soo Yeon Lim, Suhan Son, Sungmin Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-09T06:40:12Z","title":"Antiferromagnetic ordering in van der Waals two-dimensional magnetic material MnPS3 probed by Raman spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.05802","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":"sha256:5600cbe3723573655250a7bac2bb215298eb0d1b257f21ca6983f17496520517","target":"record","created_at":"2026-05-17T23:43:24Z","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":"bab8fbdbcc6c1f0c969874ce436bdef3eb2e0b0933b89353fee9eeeeb839fc08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-09T06:40:12Z","title_canon_sha256":"52adfd4de1745c182aa9587efb5de89dce0e132a38a625f266b890be0c68e73c"},"schema_version":"1.0","source":{"id":"1906.05802","kind":"arxiv","version":1}},"canonical_sha256":"ca0b5faa9526e7db097594ad618115bbbe8c84d9b3f5ab101a8e09bc10d4cf6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca0b5faa9526e7db097594ad618115bbbe8c84d9b3f5ab101a8e09bc10d4cf6d","first_computed_at":"2026-05-17T23:43:24.330867Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:24.330867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1868GRbzSpCF2nFPQG/Pw71/q6kRJlAQ4v9d2vB7FpsYLWyyAX/ja0VwbVtz95TJ/y/citCX381s+qtMXr/AAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:24.331463Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.05802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5600cbe3723573655250a7bac2bb215298eb0d1b257f21ca6983f17496520517","sha256:a3a578f08ae698bbb74fdf6a6163a55bada1d8dee9583fa565fd3cd68283d3b7"],"state_sha256":"ed41d562aeb2bc0cabcfa529905418bb1a55c378b246976b3167cb42e840613c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VJrPff4UXMZg5gDwVXk4ErY/TbB4HyOtcY58vzqu3DL2ByALqB7JWr0UC6k+F/5/Gvi9PUr7QxfABqEDwj8LDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T13:56:06.599789Z","bundle_sha256":"7227d428c10a62a355c1f41a132048941ede528c0fcc7408995e9be0544bb61e"}}