{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:S662TE4VH6KWCEFT264252NGHD","short_pith_number":"pith:S662TE4V","canonical_record":{"source":{"id":"1811.06140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T01:56:03Z","cross_cats_sorted":[],"title_canon_sha256":"8dee314db19fdc8f447e3389ee1b1150a76c3672702b81d743dc0ead335de5de","abstract_canon_sha256":"a6c90c9d274fd1e0379acc6e05abb61a16508adf6e8601d72de7535f01d28ed5"},"schema_version":"1.0"},"canonical_sha256":"97bda993953f956110b3d7b9aee9a638c04118878caaa4622f70bbb0d010f605","source":{"kind":"arxiv","id":"1811.06140","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06140","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06140v2","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06140","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"S662TE4VH6KW","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S662TE4VH6KWCEFT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S662TE4V","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:S662TE4VH6KWCEFT264252NGHD","target":"record","payload":{"canonical_record":{"source":{"id":"1811.06140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T01:56:03Z","cross_cats_sorted":[],"title_canon_sha256":"8dee314db19fdc8f447e3389ee1b1150a76c3672702b81d743dc0ead335de5de","abstract_canon_sha256":"a6c90c9d274fd1e0379acc6e05abb61a16508adf6e8601d72de7535f01d28ed5"},"schema_version":"1.0"},"canonical_sha256":"97bda993953f956110b3d7b9aee9a638c04118878caaa4622f70bbb0d010f605","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:12.898991Z","signature_b64":"lWmM727cZ7nRyV0OJNtuRDpM2gY/FsqDujDSyyAMcTlZhdKdbefowvr+G1JQts225Ivk471xFpD0RYwarympAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97bda993953f956110b3d7b9aee9a638c04118878caaa4622f70bbb0d010f605","last_reissued_at":"2026-05-17T23:46:12.898385Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:12.898385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.06140","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":"2026-05-17T23:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/0Pd0Ydf5xNVbZ/MzvrwrUVFtiWvwoD2iwrjQr0YKGTQRBQzV/Mkw+Z70SQRtgIqHmt5W929o1uUYiSo1eKnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:58:17.163615Z"},"content_sha256":"53cd614e789aec416d13318edc8a1666a2f08241dd79f91202d5210df05443d0","schema_version":"1.0","event_id":"sha256:53cd614e789aec416d13318edc8a1666a2f08241dd79f91202d5210df05443d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:S662TE4VH6KWCEFT264252NGHD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Itinerant antiferromagnetic BaMn$_2$Pn$_2$'s showing both negative and positive magnetoresistances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Denis Ar\\v{c}on, Katsumi Tanigaki, Keita Kitahara, Kim-Khuong Huynh, Masayuki Hagiwara, Stephane Yu Matsushita, Takanori Kida, Takuma Ogasawara, Time Tahara, Yoichi Tanabe","submitted_at":"2018-11-15T01:56:03Z","abstract_excerpt":"We report the discovery of a novel giant magnetoresistance (GMR) phenomenon in a family of BaMn$_{2}$Pn$_{2}$ antiferromagnets (Pn stands for P, As, Sb, and Bi) with a parity-time symmetry. The resistivities of these materials are reduced by $60$ times in magnetic fields ($\\vec{H}$'s), thus yielding the GMR of about $-98\\%$. The GMR changes systematically along with the Pn elements, hinting that its origin is the spin orbit coupling (SOC) and/or $d$-$p$ orbital hybridization. A positive MR component emerging on top of the negative GMR at low temperatures suggests an orbital-sensitive magnetotr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06140","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":"2026-05-17T23:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qteF0MqaUHmL+SMK2VkcU70UeR05DpcmnZP0IGeOpYt0B7dcTfiZe+r9BA6TEAarv/RWGYLno1ViY8oOTKAmBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:58:17.164356Z"},"content_sha256":"837ea5c66551bcbed8066e72cebcb5c4688be53c109e2ef24b6ae946def69c6c","schema_version":"1.0","event_id":"sha256:837ea5c66551bcbed8066e72cebcb5c4688be53c109e2ef24b6ae946def69c6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S662TE4VH6KWCEFT264252NGHD/bundle.json","state_url":"https://pith.science/pith/S662TE4VH6KWCEFT264252NGHD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S662TE4VH6KWCEFT264252NGHD/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":"2026-05-26T03:58:17Z","links":{"resolver":"https://pith.science/pith/S662TE4VH6KWCEFT264252NGHD","bundle":"https://pith.science/pith/S662TE4VH6KWCEFT264252NGHD/bundle.json","state":"https://pith.science/pith/S662TE4VH6KWCEFT264252NGHD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S662TE4VH6KWCEFT264252NGHD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S662TE4VH6KWCEFT264252NGHD","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":"a6c90c9d274fd1e0379acc6e05abb61a16508adf6e8601d72de7535f01d28ed5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T01:56:03Z","title_canon_sha256":"8dee314db19fdc8f447e3389ee1b1150a76c3672702b81d743dc0ead335de5de"},"schema_version":"1.0","source":{"id":"1811.06140","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06140","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06140v2","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06140","created_at":"2026-05-17T23:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"S662TE4VH6KW","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S662TE4VH6KWCEFT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S662TE4V","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:837ea5c66551bcbed8066e72cebcb5c4688be53c109e2ef24b6ae946def69c6c","target":"graph","created_at":"2026-05-17T23:46:12Z","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 report the discovery of a novel giant magnetoresistance (GMR) phenomenon in a family of BaMn$_{2}$Pn$_{2}$ antiferromagnets (Pn stands for P, As, Sb, and Bi) with a parity-time symmetry. The resistivities of these materials are reduced by $60$ times in magnetic fields ($\\vec{H}$'s), thus yielding the GMR of about $-98\\%$. The GMR changes systematically along with the Pn elements, hinting that its origin is the spin orbit coupling (SOC) and/or $d$-$p$ orbital hybridization. A positive MR component emerging on top of the negative GMR at low temperatures suggests an orbital-sensitive magnetotr","authors_text":"Denis Ar\\v{c}on, Katsumi Tanigaki, Keita Kitahara, Kim-Khuong Huynh, Masayuki Hagiwara, Stephane Yu Matsushita, Takanori Kida, Takuma Ogasawara, Time Tahara, Yoichi Tanabe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T01:56:03Z","title":"Itinerant antiferromagnetic BaMn$_2$Pn$_2$'s showing both negative and positive magnetoresistances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06140","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":"sha256:53cd614e789aec416d13318edc8a1666a2f08241dd79f91202d5210df05443d0","target":"record","created_at":"2026-05-17T23:46:12Z","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":"a6c90c9d274fd1e0379acc6e05abb61a16508adf6e8601d72de7535f01d28ed5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T01:56:03Z","title_canon_sha256":"8dee314db19fdc8f447e3389ee1b1150a76c3672702b81d743dc0ead335de5de"},"schema_version":"1.0","source":{"id":"1811.06140","kind":"arxiv","version":2}},"canonical_sha256":"97bda993953f956110b3d7b9aee9a638c04118878caaa4622f70bbb0d010f605","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97bda993953f956110b3d7b9aee9a638c04118878caaa4622f70bbb0d010f605","first_computed_at":"2026-05-17T23:46:12.898385Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:12.898385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lWmM727cZ7nRyV0OJNtuRDpM2gY/FsqDujDSyyAMcTlZhdKdbefowvr+G1JQts225Ivk471xFpD0RYwarympAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:12.898991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.06140","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53cd614e789aec416d13318edc8a1666a2f08241dd79f91202d5210df05443d0","sha256:837ea5c66551bcbed8066e72cebcb5c4688be53c109e2ef24b6ae946def69c6c"],"state_sha256":"f49b55829cfb681f249279564f4872761ba2a460cc049dd6ba2b5f750c652f0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P7QGnTaO8TCyQV2rFcgPzavICZN6S4h7K1JE1ld/FJR9z9IPvF+f80inoWk8nUbWMfS5es+4D8qy/S1WEy4xBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:58:17.167961Z","bundle_sha256":"40290cc66c01c7ddc4d0715114aa5bdf9013e05b2d9cd57b626b6a17d5006ade"}}