{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:AFU5LAAJAUOWZJE6SQXBBGFV6O","short_pith_number":"pith:AFU5LAAJ","canonical_record":{"source":{"id":"1905.01049","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-03T07:08:32Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"0cfd0cc1bf3c978577394e3084abf9059e5401deb664dab0acff681246383fd3","abstract_canon_sha256":"e74f30f3d12dc249e823d308ce1d142b32874bd4ecee6545bf02f26daa24bbdd"},"schema_version":"1.0"},"canonical_sha256":"0169d58009051d6ca49e942e1098b5f3ac1b4246373ad588a67254394661e679","source":{"kind":"arxiv","id":"1905.01049","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01049","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01049v2","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01049","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"pith_short_12","alias_value":"AFU5LAAJAUOW","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AFU5LAAJAUOWZJE6","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AFU5LAAJ","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:AFU5LAAJAUOWZJE6SQXBBGFV6O","target":"record","payload":{"canonical_record":{"source":{"id":"1905.01049","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-03T07:08:32Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"0cfd0cc1bf3c978577394e3084abf9059e5401deb664dab0acff681246383fd3","abstract_canon_sha256":"e74f30f3d12dc249e823d308ce1d142b32874bd4ecee6545bf02f26daa24bbdd"},"schema_version":"1.0"},"canonical_sha256":"0169d58009051d6ca49e942e1098b5f3ac1b4246373ad588a67254394661e679","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:37.535630Z","signature_b64":"NAHFRdsR/N1I+I3XQfe1+7KLdQVvQ//oUIAJvM/hh9ozi+VoHxZJf72jWRHJ8VUih0bFKF1G0O4pMbBDOqUxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0169d58009051d6ca49e942e1098b5f3ac1b4246373ad588a67254394661e679","last_reissued_at":"2026-05-17T23:44:37.535213Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:37.535213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.01049","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":"2026-05-17T23:44:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXeoGP3CrfOfiOV/85HgpOM4YgZygmP18yEmm80QBriP5/WA5HR6ns9ZHokMJ2skK/lBRahUcPU7oqCym9mMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:41:29.489330Z"},"content_sha256":"9c859a2a8300ea29634f7ee84d66ef635122e047d1bfb9255318724e24c387a2","schema_version":"1.0","event_id":"sha256:9c859a2a8300ea29634f7ee84d66ef635122e047d1bfb9255318724e24c387a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:AFU5LAAJAUOWZJE6SQXBBGFV6O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ba8MnNb6O24: a model two-dimensional spin-5/2 triangular lattice antiferromagnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. R. dela Cruz, E. S. Choi, H. D. Zhou, J. Ma, L. Ge, M. Lee, M. Mourigal, Q. Huang, R. Rawl, Z. Evenson, Z. Lu","submitted_at":"2019-05-03T07:08:32Z","abstract_excerpt":"We successfully synthesized and characterized the triangular lattice anitferromagnet Ba$_8$MnNb$_6$O$_{24}$, which comprises equilateral spin-5/2 Mn$^{2+}$ triangular layers separated by six non-magnetic Nb$^{5+}$ layers. The detailed susceptibility, specific heat, elastic and inelastic neutron scattering measurements, and spin wave theory simulation on this system reveal that it has a 120 degree ordering ground state below T$_N$ = 1.45 K with in-plane nearest-neighbor exchange interaction ~0.11 meV. While the large separation 18.9 A between magnetic layers makes the inter-layer exchange inter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01049","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":""},"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":"2026-05-17T23:44:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEr6vLhJ3iXo9+73Amv9U1DIN1MOhOx1BAiBUhJmcZhWfxEZsR9TDJXodix1JHwpnm/ZepYTaB/UCk6flTu/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:41:29.489888Z"},"content_sha256":"7d176a8c1af96c438e9b45b87e9c5a5956b30d7f2300b5a740bd186b1e59a518","schema_version":"1.0","event_id":"sha256:7d176a8c1af96c438e9b45b87e9c5a5956b30d7f2300b5a740bd186b1e59a518"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/bundle.json","state_url":"https://pith.science/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/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":"2026-05-27T09:41:29Z","links":{"resolver":"https://pith.science/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O","bundle":"https://pith.science/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/bundle.json","state":"https://pith.science/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFU5LAAJAUOWZJE6SQXBBGFV6O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AFU5LAAJAUOWZJE6SQXBBGFV6O","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":"e74f30f3d12dc249e823d308ce1d142b32874bd4ecee6545bf02f26daa24bbdd","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-03T07:08:32Z","title_canon_sha256":"0cfd0cc1bf3c978577394e3084abf9059e5401deb664dab0acff681246383fd3"},"schema_version":"1.0","source":{"id":"1905.01049","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01049","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01049v2","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01049","created_at":"2026-05-17T23:44:37Z"},{"alias_kind":"pith_short_12","alias_value":"AFU5LAAJAUOW","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AFU5LAAJAUOWZJE6","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AFU5LAAJ","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:7d176a8c1af96c438e9b45b87e9c5a5956b30d7f2300b5a740bd186b1e59a518","target":"graph","created_at":"2026-05-17T23:44:37Z","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":"We successfully synthesized and characterized the triangular lattice anitferromagnet Ba$_8$MnNb$_6$O$_{24}$, which comprises equilateral spin-5/2 Mn$^{2+}$ triangular layers separated by six non-magnetic Nb$^{5+}$ layers. The detailed susceptibility, specific heat, elastic and inelastic neutron scattering measurements, and spin wave theory simulation on this system reveal that it has a 120 degree ordering ground state below T$_N$ = 1.45 K with in-plane nearest-neighbor exchange interaction ~0.11 meV. While the large separation 18.9 A between magnetic layers makes the inter-layer exchange inter","authors_text":"C. R. dela Cruz, E. S. Choi, H. D. Zhou, J. Ma, L. Ge, M. Lee, M. Mourigal, Q. Huang, R. Rawl, Z. Evenson, Z. Lu","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-03T07:08:32Z","title":"Ba8MnNb6O24: a model two-dimensional spin-5/2 triangular lattice antiferromagnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01049","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":"sha256:9c859a2a8300ea29634f7ee84d66ef635122e047d1bfb9255318724e24c387a2","target":"record","created_at":"2026-05-17T23:44:37Z","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":"e74f30f3d12dc249e823d308ce1d142b32874bd4ecee6545bf02f26daa24bbdd","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-03T07:08:32Z","title_canon_sha256":"0cfd0cc1bf3c978577394e3084abf9059e5401deb664dab0acff681246383fd3"},"schema_version":"1.0","source":{"id":"1905.01049","kind":"arxiv","version":2}},"canonical_sha256":"0169d58009051d6ca49e942e1098b5f3ac1b4246373ad588a67254394661e679","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0169d58009051d6ca49e942e1098b5f3ac1b4246373ad588a67254394661e679","first_computed_at":"2026-05-17T23:44:37.535213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:37.535213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NAHFRdsR/N1I+I3XQfe1+7KLdQVvQ//oUIAJvM/hh9ozi+VoHxZJf72jWRHJ8VUih0bFKF1G0O4pMbBDOqUxCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:37.535630Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.01049","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c859a2a8300ea29634f7ee84d66ef635122e047d1bfb9255318724e24c387a2","sha256:7d176a8c1af96c438e9b45b87e9c5a5956b30d7f2300b5a740bd186b1e59a518"],"state_sha256":"299a663053663b0f9cb8c1348639a4dcae77a1bdb2676dfe1446739ced18e45b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"at47XvCIXHAizT4n94cf/+rL8cFktovW1EMdy5JyDATgAXFiDGF295u9sywBkhPcFzYwk2lvKhn85KVarpG1AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:41:29.492488Z","bundle_sha256":"7a89389213e85e16081766826d3031b0e00c6301153004ad067baf006b502601"}}