{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PFCJH3NQWP7OX5ITL6QISL365A","short_pith_number":"pith:PFCJH3NQ","canonical_record":{"source":{"id":"1907.05238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-07-11T14:35:14Z","cross_cats_sorted":[],"title_canon_sha256":"cb39e25f9287a4506c4e5c7211e1c1b5914828c87c6c70dfae300521cdf3feb9","abstract_canon_sha256":"fc30af359f6ceba4f15887cd8f8141ccdb062cad56ac7c4334bfd56fd6bf96bd"},"schema_version":"1.0"},"canonical_sha256":"794493edb0b3feebf5135fa0892f7ee83a5234aec4511ce7cab2b1fe7c870ec8","source":{"kind":"arxiv","id":"1907.05238","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05238","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05238v1","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05238","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"pith_short_12","alias_value":"PFCJH3NQWP7O","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PFCJH3NQWP7OX5IT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PFCJH3NQ","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PFCJH3NQWP7OX5ITL6QISL365A","target":"record","payload":{"canonical_record":{"source":{"id":"1907.05238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-07-11T14:35:14Z","cross_cats_sorted":[],"title_canon_sha256":"cb39e25f9287a4506c4e5c7211e1c1b5914828c87c6c70dfae300521cdf3feb9","abstract_canon_sha256":"fc30af359f6ceba4f15887cd8f8141ccdb062cad56ac7c4334bfd56fd6bf96bd"},"schema_version":"1.0"},"canonical_sha256":"794493edb0b3feebf5135fa0892f7ee83a5234aec4511ce7cab2b1fe7c870ec8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:51.071348Z","signature_b64":"rMl0jtPWazuGHpFWPqlliff3JRhrUb09VpPgulCrCBa+e4eiy7s0z5GCIZ9fKKcv5pmvE5vXGrh6i/fYb1r/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"794493edb0b3feebf5135fa0892f7ee83a5234aec4511ce7cab2b1fe7c870ec8","last_reissued_at":"2026-05-17T23:40:51.070679Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:51.070679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.05238","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":"2026-05-17T23:40:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3TugoG6tB/wwHbo9e9pPrhsbYqbVVuau4gwTvUVKEP8aoj2GEm2dJh7m9koDIZDNTitElL+/qNCex7sTnYTxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:14:35.433152Z"},"content_sha256":"e5db5ee82cff9bc2415b0201d998c25723eb29b9debc7f65a6183ce26427938d","schema_version":"1.0","event_id":"sha256:e5db5ee82cff9bc2415b0201d998c25723eb29b9debc7f65a6183ce26427938d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PFCJH3NQWP7OX5ITL6QISL365A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural properties of Co$_{2}$TiSi films on GaAs(001)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A Trampert, B Jenichen, H Kirmse, J Herfort, M Hanke, M T Dau, S C Erwin, U Jahn, X Kong","submitted_at":"2019-07-11T14:35:14Z","abstract_excerpt":"Co$_{2}$TiSi films were grown by molecular beam epitaxy on GaAs(001) and analyzed using reflection high-energy electron diffraction, and electron microscopy. In addition, X-ray diffraction was combined with lattice parameter calculations by density functional theory comparing the \\textit{L$2_1$} and \\textit{B}2 structures and considering the influence of non--stoichiometry. Columnar growth is found and attributed to inhomogeneous epitaxial strain from non-random alloying. In films with thicknesses up to 13~nm these columns may be the origin of perpendicular magnetization with the easy axis per"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05238","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":"2026-05-17T23:40:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9K6rdZ+m9cvqmcM1OELQV1objYYFFjjVZMTK2HRgIYdZCrFymz6tVTcvs0VJ8pntZitucJWfRF2Sy9jWK9lIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:14:35.433827Z"},"content_sha256":"e6a598f477fb8a188d53a170c64eca2416dcaa426d4c2f67b95056b4a13147c1","schema_version":"1.0","event_id":"sha256:e6a598f477fb8a188d53a170c64eca2416dcaa426d4c2f67b95056b4a13147c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PFCJH3NQWP7OX5ITL6QISL365A/bundle.json","state_url":"https://pith.science/pith/PFCJH3NQWP7OX5ITL6QISL365A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PFCJH3NQWP7OX5ITL6QISL365A/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":"2026-05-26T01:14:35Z","links":{"resolver":"https://pith.science/pith/PFCJH3NQWP7OX5ITL6QISL365A","bundle":"https://pith.science/pith/PFCJH3NQWP7OX5ITL6QISL365A/bundle.json","state":"https://pith.science/pith/PFCJH3NQWP7OX5ITL6QISL365A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PFCJH3NQWP7OX5ITL6QISL365A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PFCJH3NQWP7OX5ITL6QISL365A","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":"fc30af359f6ceba4f15887cd8f8141ccdb062cad56ac7c4334bfd56fd6bf96bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-07-11T14:35:14Z","title_canon_sha256":"cb39e25f9287a4506c4e5c7211e1c1b5914828c87c6c70dfae300521cdf3feb9"},"schema_version":"1.0","source":{"id":"1907.05238","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05238","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05238v1","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05238","created_at":"2026-05-17T23:40:51Z"},{"alias_kind":"pith_short_12","alias_value":"PFCJH3NQWP7O","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PFCJH3NQWP7OX5IT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PFCJH3NQ","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:e6a598f477fb8a188d53a170c64eca2416dcaa426d4c2f67b95056b4a13147c1","target":"graph","created_at":"2026-05-17T23:40:51Z","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":"Co$_{2}$TiSi films were grown by molecular beam epitaxy on GaAs(001) and analyzed using reflection high-energy electron diffraction, and electron microscopy. In addition, X-ray diffraction was combined with lattice parameter calculations by density functional theory comparing the \\textit{L$2_1$} and \\textit{B}2 structures and considering the influence of non--stoichiometry. Columnar growth is found and attributed to inhomogeneous epitaxial strain from non-random alloying. In films with thicknesses up to 13~nm these columns may be the origin of perpendicular magnetization with the easy axis per","authors_text":"A Trampert, B Jenichen, H Kirmse, J Herfort, M Hanke, M T Dau, S C Erwin, U Jahn, X Kong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-07-11T14:35:14Z","title":"Structural properties of Co$_{2}$TiSi films on GaAs(001)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05238","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:e5db5ee82cff9bc2415b0201d998c25723eb29b9debc7f65a6183ce26427938d","target":"record","created_at":"2026-05-17T23:40:51Z","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":"fc30af359f6ceba4f15887cd8f8141ccdb062cad56ac7c4334bfd56fd6bf96bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-07-11T14:35:14Z","title_canon_sha256":"cb39e25f9287a4506c4e5c7211e1c1b5914828c87c6c70dfae300521cdf3feb9"},"schema_version":"1.0","source":{"id":"1907.05238","kind":"arxiv","version":1}},"canonical_sha256":"794493edb0b3feebf5135fa0892f7ee83a5234aec4511ce7cab2b1fe7c870ec8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"794493edb0b3feebf5135fa0892f7ee83a5234aec4511ce7cab2b1fe7c870ec8","first_computed_at":"2026-05-17T23:40:51.070679Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:51.070679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rMl0jtPWazuGHpFWPqlliff3JRhrUb09VpPgulCrCBa+e4eiy7s0z5GCIZ9fKKcv5pmvE5vXGrh6i/fYb1r/Dg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:51.071348Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.05238","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5db5ee82cff9bc2415b0201d998c25723eb29b9debc7f65a6183ce26427938d","sha256:e6a598f477fb8a188d53a170c64eca2416dcaa426d4c2f67b95056b4a13147c1"],"state_sha256":"e50a7774a02b11e5a8be51e3faa43a46010f466eec0d2000930d65884440e1cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bg+jkoMPtaeY0HdU3LnV83LaHn3NorAWHlOxzwPBVXyFSbaS1tQRgmflu1lh55XXhTgVDhFnXnBwVcEtS4beAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:14:35.437297Z","bundle_sha256":"78dcb4843fa939d530fefaaae6ebafbe26f3671b15ca8141175b6cc7cdf45116"}}