{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VLMJBPKYVJAAWNIEYJSZWF77F6","short_pith_number":"pith:VLMJBPKY","canonical_record":{"source":{"id":"1907.05145","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-11T12:33:30Z","cross_cats_sorted":[],"title_canon_sha256":"2fb82339249f186910d76f303bf234b33c835c8caadc3874a6fcbbed76a64143","abstract_canon_sha256":"2dbc66829ccad4eb98072cf5cd3538547035bb38d28edf57651f8c97f9245a0c"},"schema_version":"1.0"},"canonical_sha256":"aad890bd58aa400b3504c2659b17ff2f9bcee3bfdde0e94051cd1bb164b3486a","source":{"kind":"arxiv","id":"1907.05145","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05145","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05145v1","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05145","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_12","alias_value":"VLMJBPKYVJAA","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_16","alias_value":"VLMJBPKYVJAAWNIE","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_8","alias_value":"VLMJBPKY","created_at":"2026-07-05T00:30:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VLMJBPKYVJAAWNIEYJSZWF77F6","target":"record","payload":{"canonical_record":{"source":{"id":"1907.05145","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-11T12:33:30Z","cross_cats_sorted":[],"title_canon_sha256":"2fb82339249f186910d76f303bf234b33c835c8caadc3874a6fcbbed76a64143","abstract_canon_sha256":"2dbc66829ccad4eb98072cf5cd3538547035bb38d28edf57651f8c97f9245a0c"},"schema_version":"1.0"},"canonical_sha256":"aad890bd58aa400b3504c2659b17ff2f9bcee3bfdde0e94051cd1bb164b3486a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:18.218672Z","signature_b64":"PZdEXi98VdF4C9wP6rE7MG8Mq4sWz5/wXqUMWqEDUhcmVnl+Q3rMA3GnyhABRpRzr50UlWEVOLWE1QfgKN5qDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aad890bd58aa400b3504c2659b17ff2f9bcee3bfdde0e94051cd1bb164b3486a","last_reissued_at":"2026-07-05T00:30:18.218268Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:18.218268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.05145","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":"2026-07-05T00:30:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgXrlfNTCKB4n/kEm6Sve2DJPkw/Ox1RV+sbr4SY2TAXu6OuW9Ty1w4DuONS6p3I9+pFK8IX/ehj06wOFW3CCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:55.933768Z"},"content_sha256":"b46ea0485a5f9afe420b548b1d8b042020d0f88b5737f126faca21def0b87295","schema_version":"1.0","event_id":"sha256:b46ea0485a5f9afe420b548b1d8b042020d0f88b5737f126faca21def0b87295"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VLMJBPKYVJAAWNIEYJSZWF77F6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigations of the heterometallic Ludwigite Ni${_2}$AlBO${_5}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Arpan Bhattacharyya, Deepak John Mukkattukavil, Jitender Kumar, Sunil Nair","submitted_at":"2019-07-11T12:33:30Z","abstract_excerpt":"We present magnetic, thermodynamic, dielectric and structural investigations on the aluminoborate Ni${_2}$AlBO${_5}$, belonging to the ludwigite family. Room temperature structural refinement suggests that the system crystallizes in the orthorhombic $Pbam$ symmetry, in similarity with most members of this material class. Magnetic and thermodynamic measurements shows that the system undergoes a phase transition to an antiferromagnetic state at 38K, signatures of which are also seen in the lattice parameters and the dielectric constant. Short range magnetic correlations appear to persist to much"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05145","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/1907.05145/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":"2026-07-05T00:30:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3XXsCN6j3JIS/m1JLiNdjnTDD9ieziqbBM8dOdukfE426u9OeD2zgwB22Lr2yGpZpmeb4lWyKqI8jAjNfRZTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:55.934378Z"},"content_sha256":"923b30640c4910efa444a6c393526e1370c0015e77f0b600db19ebeacda02670","schema_version":"1.0","event_id":"sha256:923b30640c4910efa444a6c393526e1370c0015e77f0b600db19ebeacda02670"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/bundle.json","state_url":"https://pith.science/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/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":"2026-07-05T15:45:55Z","links":{"resolver":"https://pith.science/pith/VLMJBPKYVJAAWNIEYJSZWF77F6","bundle":"https://pith.science/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/bundle.json","state":"https://pith.science/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLMJBPKYVJAAWNIEYJSZWF77F6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VLMJBPKYVJAAWNIEYJSZWF77F6","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":"2dbc66829ccad4eb98072cf5cd3538547035bb38d28edf57651f8c97f9245a0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-11T12:33:30Z","title_canon_sha256":"2fb82339249f186910d76f303bf234b33c835c8caadc3874a6fcbbed76a64143"},"schema_version":"1.0","source":{"id":"1907.05145","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05145","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05145v1","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05145","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_12","alias_value":"VLMJBPKYVJAA","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_16","alias_value":"VLMJBPKYVJAAWNIE","created_at":"2026-07-05T00:30:18Z"},{"alias_kind":"pith_short_8","alias_value":"VLMJBPKY","created_at":"2026-07-05T00:30:18Z"}],"graph_snapshots":[{"event_id":"sha256:923b30640c4910efa444a6c393526e1370c0015e77f0b600db19ebeacda02670","target":"graph","created_at":"2026-07-05T00:30:18Z","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/1907.05145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present magnetic, thermodynamic, dielectric and structural investigations on the aluminoborate Ni${_2}$AlBO${_5}$, belonging to the ludwigite family. Room temperature structural refinement suggests that the system crystallizes in the orthorhombic $Pbam$ symmetry, in similarity with most members of this material class. Magnetic and thermodynamic measurements shows that the system undergoes a phase transition to an antiferromagnetic state at 38K, signatures of which are also seen in the lattice parameters and the dielectric constant. Short range magnetic correlations appear to persist to much","authors_text":"Arpan Bhattacharyya, Deepak John Mukkattukavil, Jitender Kumar, Sunil Nair","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-11T12:33:30Z","title":"Investigations of the heterometallic Ludwigite Ni${_2}$AlBO${_5}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05145","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:b46ea0485a5f9afe420b548b1d8b042020d0f88b5737f126faca21def0b87295","target":"record","created_at":"2026-07-05T00:30:18Z","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":"2dbc66829ccad4eb98072cf5cd3538547035bb38d28edf57651f8c97f9245a0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-11T12:33:30Z","title_canon_sha256":"2fb82339249f186910d76f303bf234b33c835c8caadc3874a6fcbbed76a64143"},"schema_version":"1.0","source":{"id":"1907.05145","kind":"arxiv","version":1}},"canonical_sha256":"aad890bd58aa400b3504c2659b17ff2f9bcee3bfdde0e94051cd1bb164b3486a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aad890bd58aa400b3504c2659b17ff2f9bcee3bfdde0e94051cd1bb164b3486a","first_computed_at":"2026-07-05T00:30:18.218268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:30:18.218268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PZdEXi98VdF4C9wP6rE7MG8Mq4sWz5/wXqUMWqEDUhcmVnl+Q3rMA3GnyhABRpRzr50UlWEVOLWE1QfgKN5qDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:30:18.218672Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.05145","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b46ea0485a5f9afe420b548b1d8b042020d0f88b5737f126faca21def0b87295","sha256:923b30640c4910efa444a6c393526e1370c0015e77f0b600db19ebeacda02670"],"state_sha256":"ccf8c89cba08fa4ac7617b5d0820a6c9c3373362674de7b8e0d1f9a39ef19d5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O66kAyjnJibOBK1tSUxB00p9vXf7IXtWWeMuy04GkY8mRTwD6KHK95mLdu9A+mNfdrLuu2uWIPeveHL2z499Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:45:55.937271Z","bundle_sha256":"c87fd231fd8de6d01c01d0edec70c01fa4b40d257b67474077031e0a18d08212"}}