{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GHMQ6HLIMEMKZBQCKIZRK3I7Y3","short_pith_number":"pith:GHMQ6HLI","canonical_record":{"source":{"id":"1512.01363","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-12-04T10:44:55Z","cross_cats_sorted":[],"title_canon_sha256":"37bb0d406eb644421c7d21cd74552d90428b1e5612da8bb994ed1cbbbbdbf19d","abstract_canon_sha256":"a13402db50204238050d5eac328694f4b26bee81f1f727ebf2e9327f4471ff06"},"schema_version":"1.0"},"canonical_sha256":"31d90f1d686118ac86025233156d1fc6f26178abf27f4e78b2723b4c29fab86a","source":{"kind":"arxiv","id":"1512.01363","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01363","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01363v1","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01363","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"GHMQ6HLIMEMK","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GHMQ6HLIMEMKZBQC","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GHMQ6HLI","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GHMQ6HLIMEMKZBQCKIZRK3I7Y3","target":"record","payload":{"canonical_record":{"source":{"id":"1512.01363","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-12-04T10:44:55Z","cross_cats_sorted":[],"title_canon_sha256":"37bb0d406eb644421c7d21cd74552d90428b1e5612da8bb994ed1cbbbbdbf19d","abstract_canon_sha256":"a13402db50204238050d5eac328694f4b26bee81f1f727ebf2e9327f4471ff06"},"schema_version":"1.0"},"canonical_sha256":"31d90f1d686118ac86025233156d1fc6f26178abf27f4e78b2723b4c29fab86a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:26.259688Z","signature_b64":"rOIjlIgWSSAIxwZYzq9zJKjwswXzVaP1lwodaswpaxQ6x9i+uDJkFCC1My2l/ln7uu4lx+DPANFP/MZvXuz+Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31d90f1d686118ac86025233156d1fc6f26178abf27f4e78b2723b4c29fab86a","last_reissued_at":"2026-05-18T00:59:26.259014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:26.259014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.01363","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":"2026-05-18T00:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CHWAKwGXfUVhnxT2oRfObyoMvE9MXAxBc66XObjmMmVB6NPcZdJB7vIJLdDE42oDjfOWZTTdSV1vrqXsKGtpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:18:36.533733Z"},"content_sha256":"a2e59369915e43eb4c589624e90d41678b4d86864f27baee3c5ff0f1b781400a","schema_version":"1.0","event_id":"sha256:a2e59369915e43eb4c589624e90d41678b4d86864f27baee3c5ff0f1b781400a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GHMQ6HLIMEMKZBQCKIZRK3I7Y3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin Mapping of Surface and Bulk Rashba States in Ferroelectric a-GeTe(111) Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Tusche, D. Kutnyakhov, G. Schonhense, H. Ebert, H. J. Elmers, H. Volfova, J. Braun, J.E. Boschker, J. Kellner, J. Minar, K. Medjanik, M. Ellguth, M. Liebmann, M. Morgenstern, O. Rader, R. Calarco, R.N. Wang, R. Wallauer, S.V. Chernov","submitted_at":"2015-12-04T10:44:55Z","abstract_excerpt":"A comprehensive mapping of the spin polarization of the electronic bands in ferroelectric a-GeTe(111) films has been performed using a time-of-flight momentum microscope equipped with an imaging spin filter that enables a simultaneous measurement of more than 10.000 data points (voxels). A Rashba type splitting of both surface and bulk bands with opposite spin helicity of the inner and outer Rashba bands is found revealing a complex spin texture at the Fermi energy. The switchable inner electric field of GeTe implies new functionalities for spintronic devices."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01363","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":"2026-05-18T00:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eyS7ixGFT4SFryJ/SCGN/PMnhQSygyUlUCctpeLGtUhbe1isuCt/uADjlfLdnq9zlDpLOQq0bMLuubgZrB7mCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:18:36.534426Z"},"content_sha256":"eb6848012d4b8c7da1254ac508e4e21f0a6b7b45af36de9f89cc97fe4fb90991","schema_version":"1.0","event_id":"sha256:eb6848012d4b8c7da1254ac508e4e21f0a6b7b45af36de9f89cc97fe4fb90991"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/bundle.json","state_url":"https://pith.science/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/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":"2026-05-27T08:18:36Z","links":{"resolver":"https://pith.science/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3","bundle":"https://pith.science/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/bundle.json","state":"https://pith.science/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GHMQ6HLIMEMKZBQCKIZRK3I7Y3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GHMQ6HLIMEMKZBQCKIZRK3I7Y3","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":"a13402db50204238050d5eac328694f4b26bee81f1f727ebf2e9327f4471ff06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-12-04T10:44:55Z","title_canon_sha256":"37bb0d406eb644421c7d21cd74552d90428b1e5612da8bb994ed1cbbbbdbf19d"},"schema_version":"1.0","source":{"id":"1512.01363","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01363","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01363v1","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01363","created_at":"2026-05-18T00:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"GHMQ6HLIMEMK","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GHMQ6HLIMEMKZBQC","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GHMQ6HLI","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:eb6848012d4b8c7da1254ac508e4e21f0a6b7b45af36de9f89cc97fe4fb90991","target":"graph","created_at":"2026-05-18T00:59:26Z","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":"A comprehensive mapping of the spin polarization of the electronic bands in ferroelectric a-GeTe(111) films has been performed using a time-of-flight momentum microscope equipped with an imaging spin filter that enables a simultaneous measurement of more than 10.000 data points (voxels). A Rashba type splitting of both surface and bulk bands with opposite spin helicity of the inner and outer Rashba bands is found revealing a complex spin texture at the Fermi energy. The switchable inner electric field of GeTe implies new functionalities for spintronic devices.","authors_text":"C. Tusche, D. Kutnyakhov, G. Schonhense, H. Ebert, H. J. Elmers, H. Volfova, J. Braun, J.E. Boschker, J. Kellner, J. Minar, K. Medjanik, M. Ellguth, M. Liebmann, M. Morgenstern, O. Rader, R. Calarco, R.N. Wang, R. Wallauer, S.V. Chernov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-12-04T10:44:55Z","title":"Spin Mapping of Surface and Bulk Rashba States in Ferroelectric a-GeTe(111) Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01363","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:a2e59369915e43eb4c589624e90d41678b4d86864f27baee3c5ff0f1b781400a","target":"record","created_at":"2026-05-18T00:59:26Z","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":"a13402db50204238050d5eac328694f4b26bee81f1f727ebf2e9327f4471ff06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-12-04T10:44:55Z","title_canon_sha256":"37bb0d406eb644421c7d21cd74552d90428b1e5612da8bb994ed1cbbbbdbf19d"},"schema_version":"1.0","source":{"id":"1512.01363","kind":"arxiv","version":1}},"canonical_sha256":"31d90f1d686118ac86025233156d1fc6f26178abf27f4e78b2723b4c29fab86a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31d90f1d686118ac86025233156d1fc6f26178abf27f4e78b2723b4c29fab86a","first_computed_at":"2026-05-18T00:59:26.259014Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:26.259014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rOIjlIgWSSAIxwZYzq9zJKjwswXzVaP1lwodaswpaxQ6x9i+uDJkFCC1My2l/ln7uu4lx+DPANFP/MZvXuz+Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:26.259688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.01363","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2e59369915e43eb4c589624e90d41678b4d86864f27baee3c5ff0f1b781400a","sha256:eb6848012d4b8c7da1254ac508e4e21f0a6b7b45af36de9f89cc97fe4fb90991"],"state_sha256":"cf61ce863e26f3bbcae5862560601fca51dce5b86bb52e5964041e541487f696"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DJjLPjE974PzdArR18k9cauKD7dyXV4v0CrBIT3Vkyn9K8ZARvcjiiMvpczlqXEav1LwCbxjFv5kfDLfRZN6Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:18:36.537628Z","bundle_sha256":"22b39cbdc7fdb3adaf1f7e23864b014e80e0582a9f5e6d94235084763d6d9427"}}