{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PTMPU7NHQOKP7YCN4NXTXESITB","short_pith_number":"pith:PTMPU7NH","canonical_record":{"source":{"id":"2001.04366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-13T16:01:07Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6ea5f87872d21efb98f533c147fc406d35cc0e1c087fe6ebe9c402cfb7d1734d","abstract_canon_sha256":"1260621c1c40a72ec98a5bb7f7cf85d08e2be8044339bcce550439466064c95c"},"schema_version":"1.0"},"canonical_sha256":"7cd8fa7da78394ffe04de36f3b9248986208da24d37664d334cef2733571cb23","source":{"kind":"arxiv","id":"2001.04366","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.04366","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"arxiv_version","alias_value":"2001.04366v1","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.04366","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_12","alias_value":"PTMPU7NHQOKP","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_16","alias_value":"PTMPU7NHQOKP7YCN","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_8","alias_value":"PTMPU7NH","created_at":"2026-07-05T00:43:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PTMPU7NHQOKP7YCN4NXTXESITB","target":"record","payload":{"canonical_record":{"source":{"id":"2001.04366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-13T16:01:07Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6ea5f87872d21efb98f533c147fc406d35cc0e1c087fe6ebe9c402cfb7d1734d","abstract_canon_sha256":"1260621c1c40a72ec98a5bb7f7cf85d08e2be8044339bcce550439466064c95c"},"schema_version":"1.0"},"canonical_sha256":"7cd8fa7da78394ffe04de36f3b9248986208da24d37664d334cef2733571cb23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:43:45.918680Z","signature_b64":"/0ZZCQsTSzDySS77rPn68Guo8aDvoL5TrGwa+7H7zZEJk860MtOhWV3A+N5mHSVMj9eS0TKy/tj7sxxLfYcXDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7cd8fa7da78394ffe04de36f3b9248986208da24d37664d334cef2733571cb23","last_reissued_at":"2026-07-05T00:43:45.918219Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:43:45.918219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.04366","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":"2026-07-05T00:43:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XU58AIluJ5ejytSeZzNavVAGtF6fvuKUHuMFPIqwkMsZQQ8D2SKNXB6+AemnVBZD4CNxxumt2r5/Skh+ZjgCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:09:44.196772Z"},"content_sha256":"7b28b154e3c64d54d321c058172b60b8ace5bb65688eceef47c4e83a7f1aff74","schema_version":"1.0","event_id":"sha256:7b28b154e3c64d54d321c058172b60b8ace5bb65688eceef47c4e83a7f1aff74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PTMPU7NHQOKP7YCN4NXTXESITB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic properties of Mn-doped Bi$_2$Se$_3$ topological insulators: ab initio calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"F. M\\'aca, I. Turek, J. Chico, J. Honolka, J. Kudrnovsk\\'y, J. \\v{S}ebesta, K. Carva, P. Bal\\'a\\v{z}, V. Drchal, V. Sechovsk\\'y","submitted_at":"2020-01-13T16:01:07Z","abstract_excerpt":"Doping Bi$_2$Se$_3$ by magnetic ions represents an interesting problem since it may break the time reversal symmetry needed to maintain the topological insulator character. Mn dopants in Bi$_2$Se$_3$ represent one of the most studied examples here. However, there is a lot of open questions regarding their magnetic ordering. In the experimental literature different Curie temperatures or no ferromagnetic order at all are reported for comparable Mn concentrations. This suggests that magnetic ordering phenomena are complex and highly susceptible to different growth parameters, which are known to a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.04366","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.04366/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:43:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4FTzUbTWhX+rfHOhRyQF2MaVRzJ7Oqb1Xuw/zF76fb3e5yxeH4VEsfktQ5CI5irpP/DntLsbbEo7oyCOJcO9Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:09:44.197362Z"},"content_sha256":"a5437dfea90704df0655b41725a9705afeaa9c9036037ec0e60dc93be5a0e897","schema_version":"1.0","event_id":"sha256:a5437dfea90704df0655b41725a9705afeaa9c9036037ec0e60dc93be5a0e897"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PTMPU7NHQOKP7YCN4NXTXESITB/bundle.json","state_url":"https://pith.science/pith/PTMPU7NHQOKP7YCN4NXTXESITB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PTMPU7NHQOKP7YCN4NXTXESITB/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":"2026-08-03T16:09:44Z","links":{"resolver":"https://pith.science/pith/PTMPU7NHQOKP7YCN4NXTXESITB","bundle":"https://pith.science/pith/PTMPU7NHQOKP7YCN4NXTXESITB/bundle.json","state":"https://pith.science/pith/PTMPU7NHQOKP7YCN4NXTXESITB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PTMPU7NHQOKP7YCN4NXTXESITB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PTMPU7NHQOKP7YCN4NXTXESITB","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":"1260621c1c40a72ec98a5bb7f7cf85d08e2be8044339bcce550439466064c95c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-13T16:01:07Z","title_canon_sha256":"6ea5f87872d21efb98f533c147fc406d35cc0e1c087fe6ebe9c402cfb7d1734d"},"schema_version":"1.0","source":{"id":"2001.04366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.04366","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"arxiv_version","alias_value":"2001.04366v1","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.04366","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_12","alias_value":"PTMPU7NHQOKP","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_16","alias_value":"PTMPU7NHQOKP7YCN","created_at":"2026-07-05T00:43:45Z"},{"alias_kind":"pith_short_8","alias_value":"PTMPU7NH","created_at":"2026-07-05T00:43:45Z"}],"graph_snapshots":[{"event_id":"sha256:a5437dfea90704df0655b41725a9705afeaa9c9036037ec0e60dc93be5a0e897","target":"graph","created_at":"2026-07-05T00:43:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2001.04366/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Doping Bi$_2$Se$_3$ by magnetic ions represents an interesting problem since it may break the time reversal symmetry needed to maintain the topological insulator character. Mn dopants in Bi$_2$Se$_3$ represent one of the most studied examples here. However, there is a lot of open questions regarding their magnetic ordering. In the experimental literature different Curie temperatures or no ferromagnetic order at all are reported for comparable Mn concentrations. This suggests that magnetic ordering phenomena are complex and highly susceptible to different growth parameters, which are known to a","authors_text":"F. M\\'aca, I. Turek, J. Chico, J. Honolka, J. Kudrnovsk\\'y, J. \\v{S}ebesta, K. Carva, P. Bal\\'a\\v{z}, V. Drchal, V. Sechovsk\\'y","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-13T16:01:07Z","title":"Magnetic properties of Mn-doped Bi$_2$Se$_3$ topological insulators: ab initio calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.04366","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":"sha256:7b28b154e3c64d54d321c058172b60b8ace5bb65688eceef47c4e83a7f1aff74","target":"record","created_at":"2026-07-05T00:43:45Z","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":"1260621c1c40a72ec98a5bb7f7cf85d08e2be8044339bcce550439466064c95c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-13T16:01:07Z","title_canon_sha256":"6ea5f87872d21efb98f533c147fc406d35cc0e1c087fe6ebe9c402cfb7d1734d"},"schema_version":"1.0","source":{"id":"2001.04366","kind":"arxiv","version":1}},"canonical_sha256":"7cd8fa7da78394ffe04de36f3b9248986208da24d37664d334cef2733571cb23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7cd8fa7da78394ffe04de36f3b9248986208da24d37664d334cef2733571cb23","first_computed_at":"2026-07-05T00:43:45.918219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:43:45.918219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/0ZZCQsTSzDySS77rPn68Guo8aDvoL5TrGwa+7H7zZEJk860MtOhWV3A+N5mHSVMj9eS0TKy/tj7sxxLfYcXDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:43:45.918680Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.04366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b28b154e3c64d54d321c058172b60b8ace5bb65688eceef47c4e83a7f1aff74","sha256:a5437dfea90704df0655b41725a9705afeaa9c9036037ec0e60dc93be5a0e897"],"state_sha256":"ddc53bd30f2704973403e5f12321e985f6f96978e3bb487019af62c9165d58cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJzizOEG8C/hR+V0TGX5GhvcWUjtEnBQuFQj/VCQOWMwrX5tjd5+Nh4Smmx36n9FpiCOqfe4lBWvMGJvujg1Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:09:44.202893Z","bundle_sha256":"6764aaa5fed2ea0c9ba3c6cca507bc79491728cd6371d37b7e26dd0fc3142b42"}}