{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:L3GM4V5QL3OTSZUPCXZXULFGGK","short_pith_number":"pith:L3GM4V5Q","canonical_record":{"source":{"id":"1306.6590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-06-27T18:12:23Z","cross_cats_sorted":[],"title_canon_sha256":"6d8e296dd29830faf15cfe143028829ba8fbc56f65cf5138fed0d23d38c1ee92","abstract_canon_sha256":"d1d220c1788e947b76ac0ec028e1c834cfe4e06f19c5eeceee6a775bf16b6431"},"schema_version":"1.0"},"canonical_sha256":"5eccce57b05edd39668f15f37a2ca6329ffc1367df29dc189721b79df1d5b245","source":{"kind":"arxiv","id":"1306.6590","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6590","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6590v1","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6590","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"L3GM4V5QL3OT","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L3GM4V5QL3OTSZUP","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L3GM4V5Q","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:L3GM4V5QL3OTSZUPCXZXULFGGK","target":"record","payload":{"canonical_record":{"source":{"id":"1306.6590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-06-27T18:12:23Z","cross_cats_sorted":[],"title_canon_sha256":"6d8e296dd29830faf15cfe143028829ba8fbc56f65cf5138fed0d23d38c1ee92","abstract_canon_sha256":"d1d220c1788e947b76ac0ec028e1c834cfe4e06f19c5eeceee6a775bf16b6431"},"schema_version":"1.0"},"canonical_sha256":"5eccce57b05edd39668f15f37a2ca6329ffc1367df29dc189721b79df1d5b245","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:06.983778Z","signature_b64":"aBa+TImCQNkBWBDTu1qONusIEURjNiN+JKlJstnAERRG8OX74A32dqBjPgIKq7THfugD+ViB+7ml9SXcVBHTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5eccce57b05edd39668f15f37a2ca6329ffc1367df29dc189721b79df1d5b245","last_reissued_at":"2026-05-18T01:49:06.983418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:06.983418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.6590","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":"2026-05-18T01:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"soQenQ+lvfyVuduqByCfN70feWV91vlSEOPcnDvGGRy4e/uPR+tVlgJqPYOqCBcnBd1CEglKaKU1E08s/8lABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:01:28.405033Z"},"content_sha256":"84774280f8e955ad28032aa63d4896641760394ef18bd265427fbe67a572c925","schema_version":"1.0","event_id":"sha256:84774280f8e955ad28032aa63d4896641760394ef18bd265427fbe67a572c925"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:L3GM4V5QL3OTSZUPCXZXULFGGK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exchange interaction and its tuning in magnetic binary chalcogenides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Ernst, A. Marmodoro, D. Thonig, E. V. Chulkov, I. Mertig, I. V. Maznichenko, J. Henk, M. Geilhufe, M. G. Vergniory, M. Hoffmann, M. M. Otrokov, S. Ostanin, W. Hergert, X. Zubizarreta","submitted_at":"2013-06-27T18:12:23Z","abstract_excerpt":"Using a first-principles Green's function approach we study magnetic properties of the magnetic binary chalcogenides Bi2Te3, Bi2Se3, and Sb2Te3. The magnetic coupling between transition-metal impurities is long-range, extends beyond a quintuple layer, and decreases with increasing number of d electrons per 3d atom. We find two main mechanisms for the magnetic interaction in these materials: the indirect exchange interaction mediated by free carriers and the indirect interaction between magnetic moments via chalcogen atoms. The calculated Curie temperatures of these systems are in good agreemen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6590","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":"2026-05-18T01:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tWqYU4/5ojK/rcG3uVG8ENZtqquqPq3cQe4Zs5UyjzN1UnoBxiUUaqu35Is6v/9s6gfB6n/xBATSPv9K1cd1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:01:28.405624Z"},"content_sha256":"23850d3b270ddb0c08af56ddf264302ed505529f08071079b21eb438a732f6fa","schema_version":"1.0","event_id":"sha256:23850d3b270ddb0c08af56ddf264302ed505529f08071079b21eb438a732f6fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/bundle.json","state_url":"https://pith.science/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/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":"2026-05-25T11:01:28Z","links":{"resolver":"https://pith.science/pith/L3GM4V5QL3OTSZUPCXZXULFGGK","bundle":"https://pith.science/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/bundle.json","state":"https://pith.science/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3GM4V5QL3OTSZUPCXZXULFGGK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:L3GM4V5QL3OTSZUPCXZXULFGGK","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":"d1d220c1788e947b76ac0ec028e1c834cfe4e06f19c5eeceee6a775bf16b6431","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-06-27T18:12:23Z","title_canon_sha256":"6d8e296dd29830faf15cfe143028829ba8fbc56f65cf5138fed0d23d38c1ee92"},"schema_version":"1.0","source":{"id":"1306.6590","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6590","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6590v1","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6590","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"L3GM4V5QL3OT","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L3GM4V5QL3OTSZUP","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L3GM4V5Q","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:23850d3b270ddb0c08af56ddf264302ed505529f08071079b21eb438a732f6fa","target":"graph","created_at":"2026-05-18T01:49:06Z","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":"Using a first-principles Green's function approach we study magnetic properties of the magnetic binary chalcogenides Bi2Te3, Bi2Se3, and Sb2Te3. The magnetic coupling between transition-metal impurities is long-range, extends beyond a quintuple layer, and decreases with increasing number of d electrons per 3d atom. We find two main mechanisms for the magnetic interaction in these materials: the indirect exchange interaction mediated by free carriers and the indirect interaction between magnetic moments via chalcogen atoms. The calculated Curie temperatures of these systems are in good agreemen","authors_text":"A. Ernst, A. Marmodoro, D. Thonig, E. V. Chulkov, I. Mertig, I. V. Maznichenko, J. Henk, M. Geilhufe, M. G. Vergniory, M. Hoffmann, M. M. Otrokov, S. Ostanin, W. Hergert, X. Zubizarreta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-06-27T18:12:23Z","title":"Exchange interaction and its tuning in magnetic binary chalcogenides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6590","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":"sha256:84774280f8e955ad28032aa63d4896641760394ef18bd265427fbe67a572c925","target":"record","created_at":"2026-05-18T01:49:06Z","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":"d1d220c1788e947b76ac0ec028e1c834cfe4e06f19c5eeceee6a775bf16b6431","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-06-27T18:12:23Z","title_canon_sha256":"6d8e296dd29830faf15cfe143028829ba8fbc56f65cf5138fed0d23d38c1ee92"},"schema_version":"1.0","source":{"id":"1306.6590","kind":"arxiv","version":1}},"canonical_sha256":"5eccce57b05edd39668f15f37a2ca6329ffc1367df29dc189721b79df1d5b245","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eccce57b05edd39668f15f37a2ca6329ffc1367df29dc189721b79df1d5b245","first_computed_at":"2026-05-18T01:49:06.983418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:06.983418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aBa+TImCQNkBWBDTu1qONusIEURjNiN+JKlJstnAERRG8OX74A32dqBjPgIKq7THfugD+ViB+7ml9SXcVBHTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:06.983778Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.6590","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84774280f8e955ad28032aa63d4896641760394ef18bd265427fbe67a572c925","sha256:23850d3b270ddb0c08af56ddf264302ed505529f08071079b21eb438a732f6fa"],"state_sha256":"d95cc91046d24776476abe18d5bf51f08a3a53e454fb2bea7437c7573559529c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rCrYOZEXts1JPYYw+dvlePpsLcZz3XfHaa/iWO7O8h4kOCeHkEBLSuhwhhBTY9mrPVTxgaank6qgNLpYS6qDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:01:28.408605Z","bundle_sha256":"3f77d112a2bc192d01edcd22611e40a892e3da538a5469ba653a7170be170745"}}