{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:R47E5CXX63BQ35W6MOV5YA2FWX","short_pith_number":"pith:R47E5CXX","canonical_record":{"source":{"id":"1309.4005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-16T15:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"175adf64b69498e8ca9fb68e6c196aff92872807572276bb65d9a33df5f67f4f","abstract_canon_sha256":"d7ee2be3886595326b93f23cb835c515952550132b380d22575518435b3475d6"},"schema_version":"1.0"},"canonical_sha256":"8f3e4e8af7f6c30df6de63abdc0345b5ecdb51de71b37a3b5245a460c83b9586","source":{"kind":"arxiv","id":"1309.4005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4005","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4005v2","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4005","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"R47E5CXX63BQ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"R47E5CXX63BQ35W6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"R47E5CXX","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:R47E5CXX63BQ35W6MOV5YA2FWX","target":"record","payload":{"canonical_record":{"source":{"id":"1309.4005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-16T15:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"175adf64b69498e8ca9fb68e6c196aff92872807572276bb65d9a33df5f67f4f","abstract_canon_sha256":"d7ee2be3886595326b93f23cb835c515952550132b380d22575518435b3475d6"},"schema_version":"1.0"},"canonical_sha256":"8f3e4e8af7f6c30df6de63abdc0345b5ecdb51de71b37a3b5245a460c83b9586","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:41.420834Z","signature_b64":"tXv69nwULnIMrlhD7/NbF5rf4wTQenc3lLmRzJSP7jmXP3Fhvo/Wuw2g6M5M6JQ9sW+6VlGv8VZHs/1DNqPTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f3e4e8af7f6c30df6de63abdc0345b5ecdb51de71b37a3b5245a460c83b9586","last_reissued_at":"2026-05-18T01:47:41.420352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:41.420352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.4005","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":"2026-05-18T01:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kkKuXki8trp4nCMBSLp9Bw6w9kBsVkwfNn2ekBM8PpzX3RUmI169KIb6nQrfo2O6ToCRui2Fh8ecL7UbC8ViDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:30:15.246813Z"},"content_sha256":"217441a6296a53b2d9709a9406ac1e86cc8e59ac70623c75d617561aaddca9ee","schema_version":"1.0","event_id":"sha256:217441a6296a53b2d9709a9406ac1e86cc8e59ac70623c75d617561aaddca9ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:R47E5CXX63BQ35W6MOV5YA2FWX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic Phase Transition in the Low Dimensional Compound BaMn2Si2O7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. A. Aczel, C. D. Dela Cruz, H. D. Zhou, J. Ma, J.-Q. Yan, M. Matsuda, Songxue Chi, T. Hong, W. Tian, Z. L. Dun","submitted_at":"2013-09-16T15:30:59Z","abstract_excerpt":"The structural and magnetic properties of BaMn2Si2O7 have been investigated. The magnetic susceptibility and specific heat, measured using single crystals, suggest that the quasi-one-dimensional magnetism originating from the loosely coupled Mn2+ chain carrying S=5/2 is present at high temperatures, which is similar to the other quasi-one-dimensional barium silicates, BaM2Si2O7 (M: Cu and Co). The Neel temperature (TN=26 K) is high compared to the magnetic interaction along the chain (J = -6 K). The neutron powder diffraction study has revealed that the magnetic structure is long-ranged with a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4005","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":"2026-05-18T01:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CpKY0gvV+gAEW42rH1y/XK/URUSqL98FQx8nxDP7L0GQQMxUtlWv88CrmB3mz+ejxPSU3ceq9i31OEcKjJ36Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:30:15.247152Z"},"content_sha256":"72f9736fed61224035d3dddcd97423317e8042eaafa7cb247c657ca21a3257d6","schema_version":"1.0","event_id":"sha256:72f9736fed61224035d3dddcd97423317e8042eaafa7cb247c657ca21a3257d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R47E5CXX63BQ35W6MOV5YA2FWX/bundle.json","state_url":"https://pith.science/pith/R47E5CXX63BQ35W6MOV5YA2FWX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R47E5CXX63BQ35W6MOV5YA2FWX/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":"2026-06-02T13:30:15Z","links":{"resolver":"https://pith.science/pith/R47E5CXX63BQ35W6MOV5YA2FWX","bundle":"https://pith.science/pith/R47E5CXX63BQ35W6MOV5YA2FWX/bundle.json","state":"https://pith.science/pith/R47E5CXX63BQ35W6MOV5YA2FWX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R47E5CXX63BQ35W6MOV5YA2FWX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:R47E5CXX63BQ35W6MOV5YA2FWX","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":"d7ee2be3886595326b93f23cb835c515952550132b380d22575518435b3475d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-16T15:30:59Z","title_canon_sha256":"175adf64b69498e8ca9fb68e6c196aff92872807572276bb65d9a33df5f67f4f"},"schema_version":"1.0","source":{"id":"1309.4005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4005","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4005v2","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4005","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"R47E5CXX63BQ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"R47E5CXX63BQ35W6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"R47E5CXX","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:72f9736fed61224035d3dddcd97423317e8042eaafa7cb247c657ca21a3257d6","target":"graph","created_at":"2026-05-18T01:47:41Z","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":"The structural and magnetic properties of BaMn2Si2O7 have been investigated. The magnetic susceptibility and specific heat, measured using single crystals, suggest that the quasi-one-dimensional magnetism originating from the loosely coupled Mn2+ chain carrying S=5/2 is present at high temperatures, which is similar to the other quasi-one-dimensional barium silicates, BaM2Si2O7 (M: Cu and Co). The Neel temperature (TN=26 K) is high compared to the magnetic interaction along the chain (J = -6 K). The neutron powder diffraction study has revealed that the magnetic structure is long-ranged with a","authors_text":"A. A. Aczel, C. D. Dela Cruz, H. D. Zhou, J. Ma, J.-Q. Yan, M. Matsuda, Songxue Chi, T. Hong, W. Tian, Z. L. Dun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-16T15:30:59Z","title":"Magnetic Phase Transition in the Low Dimensional Compound BaMn2Si2O7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4005","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":"sha256:217441a6296a53b2d9709a9406ac1e86cc8e59ac70623c75d617561aaddca9ee","target":"record","created_at":"2026-05-18T01:47:41Z","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":"d7ee2be3886595326b93f23cb835c515952550132b380d22575518435b3475d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-16T15:30:59Z","title_canon_sha256":"175adf64b69498e8ca9fb68e6c196aff92872807572276bb65d9a33df5f67f4f"},"schema_version":"1.0","source":{"id":"1309.4005","kind":"arxiv","version":2}},"canonical_sha256":"8f3e4e8af7f6c30df6de63abdc0345b5ecdb51de71b37a3b5245a460c83b9586","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f3e4e8af7f6c30df6de63abdc0345b5ecdb51de71b37a3b5245a460c83b9586","first_computed_at":"2026-05-18T01:47:41.420352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:41.420352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tXv69nwULnIMrlhD7/NbF5rf4wTQenc3lLmRzJSP7jmXP3Fhvo/Wuw2g6M5M6JQ9sW+6VlGv8VZHs/1DNqPTDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:41.420834Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.4005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:217441a6296a53b2d9709a9406ac1e86cc8e59ac70623c75d617561aaddca9ee","sha256:72f9736fed61224035d3dddcd97423317e8042eaafa7cb247c657ca21a3257d6"],"state_sha256":"a40d8f965543e342c67e85a4e4826b858136792925c77c4c41cbe5ec16a245b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NNFy2be8oQMcAbPXsqujzdL6WvXSN0zWQp+FgDAJHZeQARprxPdJZwnbpT4Nux1ys3H9b4gRsct+Ugq3OU22Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:30:15.249127Z","bundle_sha256":"79705e9a64c1d9967d42654d6d455a058a0ad37c6e4dbe879045b1d52050882c"}}