{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:K76RPAPJSGILKCKLBVL47MWOKJ","short_pith_number":"pith:K76RPAPJ","canonical_record":{"source":{"id":"1312.6628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-23T18:15:52Z","cross_cats_sorted":[],"title_canon_sha256":"f2faafe28731c8fad3839a9c4118096c596b9414e9769a92df22aed95feb27d7","abstract_canon_sha256":"be8852f4ecb04da4551972c2d59b9d8f081a0f856f6e46f744e909e5125b6404"},"schema_version":"1.0"},"canonical_sha256":"57fd1781e99190b5094b0d57cfb2ce5240700fa06855d20007cadf58edec0444","source":{"kind":"arxiv","id":"1312.6628","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6628","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6628v1","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6628","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"pith_short_12","alias_value":"K76RPAPJSGIL","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"K76RPAPJSGILKCKL","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"K76RPAPJ","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:K76RPAPJSGILKCKLBVL47MWOKJ","target":"record","payload":{"canonical_record":{"source":{"id":"1312.6628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-23T18:15:52Z","cross_cats_sorted":[],"title_canon_sha256":"f2faafe28731c8fad3839a9c4118096c596b9414e9769a92df22aed95feb27d7","abstract_canon_sha256":"be8852f4ecb04da4551972c2d59b9d8f081a0f856f6e46f744e909e5125b6404"},"schema_version":"1.0"},"canonical_sha256":"57fd1781e99190b5094b0d57cfb2ce5240700fa06855d20007cadf58edec0444","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:03:57.360904Z","signature_b64":"AQQvDOCDORj+ta8uBdPLHpCgj4YG1xCTindtOvtKirypercpU5oFQbOPLYhkgGemDrko312zrmHf85vY+z1/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57fd1781e99190b5094b0d57cfb2ce5240700fa06855d20007cadf58edec0444","last_reissued_at":"2026-05-18T03:03:57.360268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:03:57.360268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.6628","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":"2026-05-18T03:03:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DlQHOtMFjDsgv94fFGXL/G6AZJMMgAp3KNVPCWSTdQwidBvrziqT3bWVxuf+tKCzVwAdbGrAuLmK//uKUfrWCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:00:19.213623Z"},"content_sha256":"21d22ff82b4cc563880a8c3c8458f574706380c9b51ead6cbef9c5cc692e1aa9","schema_version":"1.0","event_id":"sha256:21d22ff82b4cc563880a8c3c8458f574706380c9b51ead6cbef9c5cc692e1aa9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:K76RPAPJSGILKCKLBVL47MWOKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ferromagnetism in Mn-doped Sb2Te","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Huixia Luo, Jason Krizan, Quinn Gibson, R. J. Cava","submitted_at":"2013-12-23T18:15:52Z","abstract_excerpt":"We report that Sb2Te, a natural superlattice phase consisting of two elemental Sb2 layers interleaved with single Sb2Te3 layers, becomes ferromagnetic at low temperatures on doping with small percentages of Mn. Ferromagnetism appears for Mn concentrations as low as Sb1.98Mn0.02Te, where a ferromagnetic Tc of ~ 8.6 K is observed. Tc decreases with increasing Mn content in the stoichiometric materials but increases with increasing Te excess in materials of the type Sb1.93-yMn0.07Te1+y, starting at ~ 3 K at y = 0 and reaching a Tc of ~ 8.9 K at y = 0.06."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6628","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":"2026-05-18T03:03:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LS/gAqHy+zcss95AKi5LMWP3/UB3dVWeKKsv+GymDqdhHObBWhWFZJ6l4ryrFPnpUd6y26t11c7UupQTnthrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:00:19.214025Z"},"content_sha256":"ccdbb7bfb989506707321d3101a1f80622e995e8b322a0c9bfe4ba7c1a6f8186","schema_version":"1.0","event_id":"sha256:ccdbb7bfb989506707321d3101a1f80622e995e8b322a0c9bfe4ba7c1a6f8186"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K76RPAPJSGILKCKLBVL47MWOKJ/bundle.json","state_url":"https://pith.science/pith/K76RPAPJSGILKCKLBVL47MWOKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K76RPAPJSGILKCKLBVL47MWOKJ/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":"2026-05-26T07:00:19Z","links":{"resolver":"https://pith.science/pith/K76RPAPJSGILKCKLBVL47MWOKJ","bundle":"https://pith.science/pith/K76RPAPJSGILKCKLBVL47MWOKJ/bundle.json","state":"https://pith.science/pith/K76RPAPJSGILKCKLBVL47MWOKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K76RPAPJSGILKCKLBVL47MWOKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:K76RPAPJSGILKCKLBVL47MWOKJ","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":"be8852f4ecb04da4551972c2d59b9d8f081a0f856f6e46f744e909e5125b6404","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-23T18:15:52Z","title_canon_sha256":"f2faafe28731c8fad3839a9c4118096c596b9414e9769a92df22aed95feb27d7"},"schema_version":"1.0","source":{"id":"1312.6628","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6628","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6628v1","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6628","created_at":"2026-05-18T03:03:57Z"},{"alias_kind":"pith_short_12","alias_value":"K76RPAPJSGIL","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"K76RPAPJSGILKCKL","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"K76RPAPJ","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:ccdbb7bfb989506707321d3101a1f80622e995e8b322a0c9bfe4ba7c1a6f8186","target":"graph","created_at":"2026-05-18T03:03:57Z","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 that Sb2Te, a natural superlattice phase consisting of two elemental Sb2 layers interleaved with single Sb2Te3 layers, becomes ferromagnetic at low temperatures on doping with small percentages of Mn. Ferromagnetism appears for Mn concentrations as low as Sb1.98Mn0.02Te, where a ferromagnetic Tc of ~ 8.6 K is observed. Tc decreases with increasing Mn content in the stoichiometric materials but increases with increasing Te excess in materials of the type Sb1.93-yMn0.07Te1+y, starting at ~ 3 K at y = 0 and reaching a Tc of ~ 8.9 K at y = 0.06.","authors_text":"Huixia Luo, Jason Krizan, Quinn Gibson, R. J. Cava","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-23T18:15:52Z","title":"Ferromagnetism in Mn-doped Sb2Te"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6628","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":"sha256:21d22ff82b4cc563880a8c3c8458f574706380c9b51ead6cbef9c5cc692e1aa9","target":"record","created_at":"2026-05-18T03:03:57Z","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":"be8852f4ecb04da4551972c2d59b9d8f081a0f856f6e46f744e909e5125b6404","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-23T18:15:52Z","title_canon_sha256":"f2faafe28731c8fad3839a9c4118096c596b9414e9769a92df22aed95feb27d7"},"schema_version":"1.0","source":{"id":"1312.6628","kind":"arxiv","version":1}},"canonical_sha256":"57fd1781e99190b5094b0d57cfb2ce5240700fa06855d20007cadf58edec0444","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57fd1781e99190b5094b0d57cfb2ce5240700fa06855d20007cadf58edec0444","first_computed_at":"2026-05-18T03:03:57.360268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:03:57.360268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AQQvDOCDORj+ta8uBdPLHpCgj4YG1xCTindtOvtKirypercpU5oFQbOPLYhkgGemDrko312zrmHf85vY+z1/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:03:57.360904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.6628","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21d22ff82b4cc563880a8c3c8458f574706380c9b51ead6cbef9c5cc692e1aa9","sha256:ccdbb7bfb989506707321d3101a1f80622e995e8b322a0c9bfe4ba7c1a6f8186"],"state_sha256":"965d103da90d8931046df557efd287d0a921a89c7cd3238afcef93e66674274e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xwL2pPvWOxXC9LGbS43WJZ8hSOEuy1iziNGsozXI6lWCc71njAJ/2lWEZ/qnwUtLZM6i/Ur7wTmAQfJ4WI1WDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:00:19.218746Z","bundle_sha256":"9bc0f2dc3c79dcff6c191e03d8bafb9932dc4b40fb882fb8bfc36bd489978bf1"}}