{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:XWEM3UIOSBIDHQJXAQENHJMWM5","short_pith_number":"pith:XWEM3UIO","canonical_record":{"source":{"id":"1003.1063","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-03-04T15:25:31Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"title_canon_sha256":"d537a5716083faf3a5f2696df8e03a588fdad51f5d3e17244f5035a8bf5a6bdc","abstract_canon_sha256":"a4717af6fe47d07839c520e880b74d82dfd84a9c448622b854a03a4c210dfeb4"},"schema_version":"1.0"},"canonical_sha256":"bd88cdd10e905033c1370408d3a59667718d9c0eaeccb8583c4719aa8ff99016","source":{"kind":"arxiv","id":"1003.1063","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1063","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1063v3","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1063","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"pith_short_12","alias_value":"XWEM3UIOSBID","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XWEM3UIOSBIDHQJX","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XWEM3UIO","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:XWEM3UIOSBIDHQJXAQENHJMWM5","target":"record","payload":{"canonical_record":{"source":{"id":"1003.1063","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-03-04T15:25:31Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"title_canon_sha256":"d537a5716083faf3a5f2696df8e03a588fdad51f5d3e17244f5035a8bf5a6bdc","abstract_canon_sha256":"a4717af6fe47d07839c520e880b74d82dfd84a9c448622b854a03a4c210dfeb4"},"schema_version":"1.0"},"canonical_sha256":"bd88cdd10e905033c1370408d3a59667718d9c0eaeccb8583c4719aa8ff99016","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:13.092008Z","signature_b64":"yT+Jr0lPY2RLm01SUKQoG95XuHwPynNSgNY7bbyjRvsziCZwlVO5oQD9fAPIWjE4+1RaytyN8LbmVxhBqpFQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd88cdd10e905033c1370408d3a59667718d9c0eaeccb8583c4719aa8ff99016","last_reissued_at":"2026-05-18T04:16:13.091427Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:13.091427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.1063","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S72Y/J1s2Z88LkgubJSjLPJkrjpsIHUHNcbueODDs0MlB1ZwWr/9nHI9qFBRdKinWBNzZh/kos/Wr91vMV1TCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:00:23.842002Z"},"content_sha256":"c89efd5f9b076308a9b94ee7286b12c3276303ef9f62df256a780a25e330335c","schema_version":"1.0","event_id":"sha256:c89efd5f9b076308a9b94ee7286b12c3276303ef9f62df256a780a25e330335c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:XWEM3UIOSBIDHQJXAQENHJMWM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced electron correlations, local moments, and Curie temperature in strained MnAs nanocrystals embedded in GaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"J. I. Cerd\\'a, K. Horn, K. H. Ploog, M. Moreno","submitted_at":"2010-03-04T15:25:31Z","abstract_excerpt":"We have studied the electronic structure of hexagonal MnAs, as epitaxial continuous film on GaAs(001) and as nanocrystals embedded in GaAs, by Mn 2p core-level photoemission spectroscopy. Configuration-interaction analyses based on a cluster model show that the ground state of the embedded MnAs nanocrystals is dominated by a d5 configuration that maximizes the local Mn moment. Nanoscaling and strain significantly alter the properties of MnAs. Internal strain in the nanocrystals results in reduced p-d hybridization and enhanced ionic character of the Mn-As bonding interactions. The spatial conf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1063","kind":"arxiv","version":3},"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":"2026-05-18T04:16:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVjytjZjy6Zc8BH3f8yL6rIKuJGTCcB8f786lWYniIjj0ohToi95KRPTaoeBF4KPxQc9uRGg9MAynr6mcg9rCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:00:23.842374Z"},"content_sha256":"36c017476612068a67946f5d7134c589afe374755558763dc516872d8aad4062","schema_version":"1.0","event_id":"sha256:36c017476612068a67946f5d7134c589afe374755558763dc516872d8aad4062"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/bundle.json","state_url":"https://pith.science/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/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":"2026-06-04T19:00:23Z","links":{"resolver":"https://pith.science/pith/XWEM3UIOSBIDHQJXAQENHJMWM5","bundle":"https://pith.science/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/bundle.json","state":"https://pith.science/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWEM3UIOSBIDHQJXAQENHJMWM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:XWEM3UIOSBIDHQJXAQENHJMWM5","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":"a4717af6fe47d07839c520e880b74d82dfd84a9c448622b854a03a4c210dfeb4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-03-04T15:25:31Z","title_canon_sha256":"d537a5716083faf3a5f2696df8e03a588fdad51f5d3e17244f5035a8bf5a6bdc"},"schema_version":"1.0","source":{"id":"1003.1063","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1063","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1063v3","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1063","created_at":"2026-05-18T04:16:13Z"},{"alias_kind":"pith_short_12","alias_value":"XWEM3UIOSBID","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XWEM3UIOSBIDHQJX","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XWEM3UIO","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:36c017476612068a67946f5d7134c589afe374755558763dc516872d8aad4062","target":"graph","created_at":"2026-05-18T04:16:13Z","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 have studied the electronic structure of hexagonal MnAs, as epitaxial continuous film on GaAs(001) and as nanocrystals embedded in GaAs, by Mn 2p core-level photoemission spectroscopy. Configuration-interaction analyses based on a cluster model show that the ground state of the embedded MnAs nanocrystals is dominated by a d5 configuration that maximizes the local Mn moment. Nanoscaling and strain significantly alter the properties of MnAs. Internal strain in the nanocrystals results in reduced p-d hybridization and enhanced ionic character of the Mn-As bonding interactions. The spatial conf","authors_text":"J. I. Cerd\\'a, K. Horn, K. H. Ploog, M. Moreno","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-03-04T15:25:31Z","title":"Enhanced electron correlations, local moments, and Curie temperature in strained MnAs nanocrystals embedded in GaAs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1063","kind":"arxiv","version":3},"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:c89efd5f9b076308a9b94ee7286b12c3276303ef9f62df256a780a25e330335c","target":"record","created_at":"2026-05-18T04:16:13Z","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":"a4717af6fe47d07839c520e880b74d82dfd84a9c448622b854a03a4c210dfeb4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-03-04T15:25:31Z","title_canon_sha256":"d537a5716083faf3a5f2696df8e03a588fdad51f5d3e17244f5035a8bf5a6bdc"},"schema_version":"1.0","source":{"id":"1003.1063","kind":"arxiv","version":3}},"canonical_sha256":"bd88cdd10e905033c1370408d3a59667718d9c0eaeccb8583c4719aa8ff99016","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd88cdd10e905033c1370408d3a59667718d9c0eaeccb8583c4719aa8ff99016","first_computed_at":"2026-05-18T04:16:13.091427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:13.091427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yT+Jr0lPY2RLm01SUKQoG95XuHwPynNSgNY7bbyjRvsziCZwlVO5oQD9fAPIWjE4+1RaytyN8LbmVxhBqpFQDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:13.092008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.1063","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c89efd5f9b076308a9b94ee7286b12c3276303ef9f62df256a780a25e330335c","sha256:36c017476612068a67946f5d7134c589afe374755558763dc516872d8aad4062"],"state_sha256":"9f2fbd143c824bc53824be9b7f41be8421bd327eaaf82881980925be4620d92e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yuV/7+YDHAoU3H3Ncd77RUZeAq8z0NP6V58lYPWMSmVKDALg1NTwFEQejf5jYl259PXJunuPHmMuxx14YzCWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:00:23.844283Z","bundle_sha256":"044cee4b5f9919cb64db257d71cd65d5c47e0b1d78e7a15ef4b348b5ddc3801d"}}