{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:W3AHX2WA2XRN7VSNQ2BTG5MKE5","short_pith_number":"pith:W3AHX2WA","canonical_record":{"source":{"id":"2102.04173","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-02-08T13:03:42Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5997e4ddeba73a250927fc51d18865e362e3b285746b6792d7c14335e671f945","abstract_canon_sha256":"788f1bdf8649da671c445413fb4b86b99b8b6c0228cf735d7539af836b5b6319"},"schema_version":"1.0"},"canonical_sha256":"b6c07beac0d5e2dfd64d868333758a277d162025cb46648071cd051e1a6ba382","source":{"kind":"arxiv","id":"2102.04173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04173","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04173v1","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04173","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_12","alias_value":"W3AHX2WA2XRN","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_16","alias_value":"W3AHX2WA2XRN7VSN","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_8","alias_value":"W3AHX2WA","created_at":"2026-07-05T02:59:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:W3AHX2WA2XRN7VSNQ2BTG5MKE5","target":"record","payload":{"canonical_record":{"source":{"id":"2102.04173","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-02-08T13:03:42Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5997e4ddeba73a250927fc51d18865e362e3b285746b6792d7c14335e671f945","abstract_canon_sha256":"788f1bdf8649da671c445413fb4b86b99b8b6c0228cf735d7539af836b5b6319"},"schema_version":"1.0"},"canonical_sha256":"b6c07beac0d5e2dfd64d868333758a277d162025cb46648071cd051e1a6ba382","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:59:13.983912Z","signature_b64":"yYIv19v07GjD59Un9XScevgVbScn4C5fKvPDz+1X/V8Geq35IpQNXW+YIZAxxktqpA+Qz7qKdUzvNCmAmPYbBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6c07beac0d5e2dfd64d868333758a277d162025cb46648071cd051e1a6ba382","last_reissued_at":"2026-07-05T02:59:13.983515Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:59:13.983515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.04173","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":"2026-07-05T02:59:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vefKVG4UJHuuxH0H4WfsdKF/b4dZm5GM4nqG62P/63mse169GmFCgs9TcoZVTQmv7SVbd72Mo3J3aSfV29KcAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:42:55.172798Z"},"content_sha256":"c7cc0231b5ae62cf241dd73674096f5a9ea8381046c8b55ce47fd3013b0eaf5f","schema_version":"1.0","event_id":"sha256:c7cc0231b5ae62cf241dd73674096f5a9ea8381046c8b55ce47fd3013b0eaf5f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:W3AHX2WA2XRN7VSNQ2BTG5MKE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic properties of bilayer VI3: Role of trigonal crystal field and electric-field tuning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Danila Amoroso, Kunihiko Yamauchi, Silvia Picozzi, Tamio Oguchi, Thi Phuong Thao Nguyen","submitted_at":"2021-02-08T13:03:42Z","abstract_excerpt":"The magnetic properties of two-dimensional VI3 bilayer are the focus of our first-principles analysis, highlighting the role of trigonal crystal-field effects and carried out in comparison with the CrI3 prototypical case, where the effects are absent. In VI3 bilayers, the empty a1g state - consistent with the observed trigonal distortion - is found to play a crucial role in both stabilizing the insulating state and in determining the inter-layer magnetic interaction. Indeed, an analysis based on maximally localized Wannier functions allows to evaluate the interlayer exchange interactions in tw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04173","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/2102.04173/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":"2026-07-05T02:59:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7KzWUVky5pkgpftU/N3vPSRCShwwrXyIx2wG4iURC3VGOQt1Zi5vndOE2nlQN/JxwSA/qmZW5sOsgrHkxPLNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:42:55.173312Z"},"content_sha256":"efbb2ecd3ae4b276a5d95c613e3e4741b0c62eade08ac533e13d2d26caf868a0","schema_version":"1.0","event_id":"sha256:efbb2ecd3ae4b276a5d95c613e3e4741b0c62eade08ac533e13d2d26caf868a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/bundle.json","state_url":"https://pith.science/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/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":"2026-08-05T15:42:55Z","links":{"resolver":"https://pith.science/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5","bundle":"https://pith.science/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/bundle.json","state":"https://pith.science/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3AHX2WA2XRN7VSNQ2BTG5MKE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:W3AHX2WA2XRN7VSNQ2BTG5MKE5","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":"788f1bdf8649da671c445413fb4b86b99b8b6c0228cf735d7539af836b5b6319","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-02-08T13:03:42Z","title_canon_sha256":"5997e4ddeba73a250927fc51d18865e362e3b285746b6792d7c14335e671f945"},"schema_version":"1.0","source":{"id":"2102.04173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04173","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04173v1","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04173","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_12","alias_value":"W3AHX2WA2XRN","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_16","alias_value":"W3AHX2WA2XRN7VSN","created_at":"2026-07-05T02:59:13Z"},{"alias_kind":"pith_short_8","alias_value":"W3AHX2WA","created_at":"2026-07-05T02:59:13Z"}],"graph_snapshots":[{"event_id":"sha256:efbb2ecd3ae4b276a5d95c613e3e4741b0c62eade08ac533e13d2d26caf868a0","target":"graph","created_at":"2026-07-05T02:59:13Z","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/2102.04173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The magnetic properties of two-dimensional VI3 bilayer are the focus of our first-principles analysis, highlighting the role of trigonal crystal-field effects and carried out in comparison with the CrI3 prototypical case, where the effects are absent. In VI3 bilayers, the empty a1g state - consistent with the observed trigonal distortion - is found to play a crucial role in both stabilizing the insulating state and in determining the inter-layer magnetic interaction. Indeed, an analysis based on maximally localized Wannier functions allows to evaluate the interlayer exchange interactions in tw","authors_text":"Danila Amoroso, Kunihiko Yamauchi, Silvia Picozzi, Tamio Oguchi, Thi Phuong Thao Nguyen","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-02-08T13:03:42Z","title":"Magnetic properties of bilayer VI3: Role of trigonal crystal field and electric-field tuning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04173","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:c7cc0231b5ae62cf241dd73674096f5a9ea8381046c8b55ce47fd3013b0eaf5f","target":"record","created_at":"2026-07-05T02:59:13Z","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":"788f1bdf8649da671c445413fb4b86b99b8b6c0228cf735d7539af836b5b6319","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-02-08T13:03:42Z","title_canon_sha256":"5997e4ddeba73a250927fc51d18865e362e3b285746b6792d7c14335e671f945"},"schema_version":"1.0","source":{"id":"2102.04173","kind":"arxiv","version":1}},"canonical_sha256":"b6c07beac0d5e2dfd64d868333758a277d162025cb46648071cd051e1a6ba382","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6c07beac0d5e2dfd64d868333758a277d162025cb46648071cd051e1a6ba382","first_computed_at":"2026-07-05T02:59:13.983515Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:59:13.983515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yYIv19v07GjD59Un9XScevgVbScn4C5fKvPDz+1X/V8Geq35IpQNXW+YIZAxxktqpA+Qz7qKdUzvNCmAmPYbBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:59:13.983912Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.04173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7cc0231b5ae62cf241dd73674096f5a9ea8381046c8b55ce47fd3013b0eaf5f","sha256:efbb2ecd3ae4b276a5d95c613e3e4741b0c62eade08ac533e13d2d26caf868a0"],"state_sha256":"1ff0b5864c0f7ef29e4725c6ec9e88bc1c890762ffa857ea121dd96e5c506e16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RkqBQuNo/arthnNd00Gi+44Yamiv8gpy3AhqJQh25bYiC1xqqnJVvDSt8vGl4453WhUuD7orlUir6wJjyB9ZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T15:42:55.177949Z","bundle_sha256":"94141850696c1e9588bac3802653970432a771d000e32ffd0d9483701f0df12f"}}