{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2YOP4CQEKFR6NY7Z3D5Z6BCBK4","short_pith_number":"pith:2YOP4CQE","canonical_record":{"source":{"id":"1810.05126","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-11T17:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"e8e48beeec40fa3082cca85bfa1ecd7e2b903ac55823a703d8b2db106a2dd5d1","abstract_canon_sha256":"8b70e22c6727d094a0c7d5461501095d76119dfcd50ebc1fa58ec266d556f6ff"},"schema_version":"1.0"},"canonical_sha256":"d61cfe0a045163e6e3f9d8fb9f044157230062d9ebbb7099a2f7585cb4be3c5b","source":{"kind":"arxiv","id":"1810.05126","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05126","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05126v1","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05126","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"2YOP4CQEKFR6","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2YOP4CQEKFR6NY7Z","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2YOP4CQE","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2YOP4CQEKFR6NY7Z3D5Z6BCBK4","target":"record","payload":{"canonical_record":{"source":{"id":"1810.05126","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-11T17:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"e8e48beeec40fa3082cca85bfa1ecd7e2b903ac55823a703d8b2db106a2dd5d1","abstract_canon_sha256":"8b70e22c6727d094a0c7d5461501095d76119dfcd50ebc1fa58ec266d556f6ff"},"schema_version":"1.0"},"canonical_sha256":"d61cfe0a045163e6e3f9d8fb9f044157230062d9ebbb7099a2f7585cb4be3c5b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:52.966810Z","signature_b64":"2Sq56DpKQo3T5vbfRn0RAjSxls4/E4hLsvTR2N5XwYnXjlw8OHy54D4BIf4l0brqWSUZgAhPP6eCIznwW1ZGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d61cfe0a045163e6e3f9d8fb9f044157230062d9ebbb7099a2f7585cb4be3c5b","last_reissued_at":"2026-05-18T00:02:52.966211Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:52.966211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.05126","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":"2026-05-18T00:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dhhfxhV8A7139cNfS1eefIWBwr9xv+QPmRPx+nPfMDNKWldkcsc0t3lE/PhFS249FcE4ImHOcg9ErVHDpju3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:47:12.621367Z"},"content_sha256":"42f9566ce74eb141850a6cf95ee3a479e1bf25f53b7846d1dc1a0ed8c1a7f857","schema_version":"1.0","event_id":"sha256:42f9566ce74eb141850a6cf95ee3a479e1bf25f53b7846d1dc1a0ed8c1a7f857"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2YOP4CQEKFR6NY7Z3D5Z6BCBK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Degenerate ground state in the classical pyrochlore antiferromagnet Na$_3$Mn(CO$_3$)$_2$Cl","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Daichi Ueta, Daisuke Okuyama, Hideki Yoshizawa, Hiroyuki Nojiri, Kazuhiro Nawa, Masahiro Yoshida, Maxim Avdeev, Taku J. Sato","submitted_at":"2018-10-11T17:12:06Z","abstract_excerpt":"In an ideal classical pyrochlore antiferromagnet without perturbations, an infinite degeneracy at a ground state leads to absence of a magnetic order and spin-glass transition. Here we present Na$_3$Mn(CO$_3$)$_2$Cl as a new candidate compound where classical spins are coupled antiferromagnetically on the pyrochlore lattice, and report its structural and magnetic properties.The temperature dependences of the magnetic susceptibility and heat capacity, and the magnetization curve are consistent with those of an $S$ = 5/2 pyrochlore lattice antiferromagnet with nearest-neighbor interactions of 2 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05126","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":"2026-05-18T00:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hWVdWN35ZZE/SJeFaM+KU9V6syr3xAXlaOMUNYKN9MUV8/NzplzoPZyjviYA2edoH3Ud4Pn6XOixe+1fwWlNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:47:12.621727Z"},"content_sha256":"762b75615ec3141e050c1567ab32b06083e5db2672f038d828bf784ff0396627","schema_version":"1.0","event_id":"sha256:762b75615ec3141e050c1567ab32b06083e5db2672f038d828bf784ff0396627"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/bundle.json","state_url":"https://pith.science/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/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":"2026-06-05T03:47:12Z","links":{"resolver":"https://pith.science/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4","bundle":"https://pith.science/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/bundle.json","state":"https://pith.science/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YOP4CQEKFR6NY7Z3D5Z6BCBK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2YOP4CQEKFR6NY7Z3D5Z6BCBK4","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":"8b70e22c6727d094a0c7d5461501095d76119dfcd50ebc1fa58ec266d556f6ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-11T17:12:06Z","title_canon_sha256":"e8e48beeec40fa3082cca85bfa1ecd7e2b903ac55823a703d8b2db106a2dd5d1"},"schema_version":"1.0","source":{"id":"1810.05126","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05126","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05126v1","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05126","created_at":"2026-05-18T00:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"2YOP4CQEKFR6","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2YOP4CQEKFR6NY7Z","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2YOP4CQE","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:762b75615ec3141e050c1567ab32b06083e5db2672f038d828bf784ff0396627","target":"graph","created_at":"2026-05-18T00:02:52Z","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":"In an ideal classical pyrochlore antiferromagnet without perturbations, an infinite degeneracy at a ground state leads to absence of a magnetic order and spin-glass transition. Here we present Na$_3$Mn(CO$_3$)$_2$Cl as a new candidate compound where classical spins are coupled antiferromagnetically on the pyrochlore lattice, and report its structural and magnetic properties.The temperature dependences of the magnetic susceptibility and heat capacity, and the magnetization curve are consistent with those of an $S$ = 5/2 pyrochlore lattice antiferromagnet with nearest-neighbor interactions of 2 ","authors_text":"Daichi Ueta, Daisuke Okuyama, Hideki Yoshizawa, Hiroyuki Nojiri, Kazuhiro Nawa, Masahiro Yoshida, Maxim Avdeev, Taku J. Sato","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-11T17:12:06Z","title":"Degenerate ground state in the classical pyrochlore antiferromagnet Na$_3$Mn(CO$_3$)$_2$Cl"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05126","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":"sha256:42f9566ce74eb141850a6cf95ee3a479e1bf25f53b7846d1dc1a0ed8c1a7f857","target":"record","created_at":"2026-05-18T00:02:52Z","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":"8b70e22c6727d094a0c7d5461501095d76119dfcd50ebc1fa58ec266d556f6ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-11T17:12:06Z","title_canon_sha256":"e8e48beeec40fa3082cca85bfa1ecd7e2b903ac55823a703d8b2db106a2dd5d1"},"schema_version":"1.0","source":{"id":"1810.05126","kind":"arxiv","version":1}},"canonical_sha256":"d61cfe0a045163e6e3f9d8fb9f044157230062d9ebbb7099a2f7585cb4be3c5b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d61cfe0a045163e6e3f9d8fb9f044157230062d9ebbb7099a2f7585cb4be3c5b","first_computed_at":"2026-05-18T00:02:52.966211Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:52.966211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2Sq56DpKQo3T5vbfRn0RAjSxls4/E4hLsvTR2N5XwYnXjlw8OHy54D4BIf4l0brqWSUZgAhPP6eCIznwW1ZGAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:52.966810Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.05126","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42f9566ce74eb141850a6cf95ee3a479e1bf25f53b7846d1dc1a0ed8c1a7f857","sha256:762b75615ec3141e050c1567ab32b06083e5db2672f038d828bf784ff0396627"],"state_sha256":"3a6132f9df95f4e465123acab5c01d5397610133891ba88026a4e1aefbd3a2dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+urw4fkGPWUI8qunThIboOqBqcbsc4njiOVqsCtna/vluEv8MDabwoiKL+eeDcg7WsjvvhVt//72stAnjSRPDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:47:12.624085Z","bundle_sha256":"5fc7b8bc5e241281a206a37b3f84d01f5100d405635ee176aa3f8040e57b3774"}}