{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3T6JTNOHCDTX3ZXFHNAXLYNFPP","short_pith_number":"pith:3T6JTNOH","canonical_record":{"source":{"id":"1709.03838","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-12T13:45:26Z","cross_cats_sorted":[],"title_canon_sha256":"23bb10766a91de7e7a5ad3890ad30ec0d99db0c80f78fb95aa540f5e3e02ae05","abstract_canon_sha256":"dae2dcef9b6e655e7bfe8a551538e24476329ede6400d9121ebe55f7b44a3aaf"},"schema_version":"1.0"},"canonical_sha256":"dcfc99b5c710e77de6e53b4175e1a57bc926b745a92276fdea038d0292bc25d0","source":{"kind":"arxiv","id":"1709.03838","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03838","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03838v3","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03838","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"pith_short_12","alias_value":"3T6JTNOHCDTX","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3T6JTNOHCDTX3ZXF","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3T6JTNOH","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3T6JTNOHCDTX3ZXFHNAXLYNFPP","target":"record","payload":{"canonical_record":{"source":{"id":"1709.03838","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-12T13:45:26Z","cross_cats_sorted":[],"title_canon_sha256":"23bb10766a91de7e7a5ad3890ad30ec0d99db0c80f78fb95aa540f5e3e02ae05","abstract_canon_sha256":"dae2dcef9b6e655e7bfe8a551538e24476329ede6400d9121ebe55f7b44a3aaf"},"schema_version":"1.0"},"canonical_sha256":"dcfc99b5c710e77de6e53b4175e1a57bc926b745a92276fdea038d0292bc25d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:41.196372Z","signature_b64":"m+CP/3gOXLwNr3C7m5dTvpcuNbL/kvZPg7Op8AoSZzdKXKOyYWFscSmAY1CHoxtwOPnNR31QxNPhoyAInR6MCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcfc99b5c710e77de6e53b4175e1a57bc926b745a92276fdea038d0292bc25d0","last_reissued_at":"2026-05-18T00:34:41.195655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:41.195655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.03838","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":"2026-05-18T00:34:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uiUwG+6/ehiP8i1kudPheoVg9Xq1CxJjMRS/B414oLmxdLznNAwIbKRKjpsaMf8mujM4cTIjhCSgfkZtMJCyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:14:17.002244Z"},"content_sha256":"781b281b7c3329de43f4a66728fbe504eb0bcdec7939b97b18c13cb6ae3504d0","schema_version":"1.0","event_id":"sha256:781b281b7c3329de43f4a66728fbe504eb0bcdec7939b97b18c13cb6ae3504d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3T6JTNOHCDTX3ZXFHNAXLYNFPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free-standing magnetic nano-membranes for electron spin-filtering applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B.M Wojek, H. Ohldag, M. Leandersson, O. Tjernberg, S. Bonetti, T. \\\"Overgaard, T. Wiell","submitted_at":"2017-09-12T13:45:26Z","abstract_excerpt":"Free-standing ferromagnetic nano-membranes with thicknesses below 10 nm could effectively be used for spin selective filtering of electrons. Such membranes can work both as spin detectors in electron-spectroscopy, -microscopy and -diffraction as well as a source of spin polarized electrons. Theoretical studies and previous work has indicated that ferromagnetic membranes of a few nm have Sherman functions in the 30-60 % range and would provide an effective alternative to current spin detection technology. Here we demonstrate the fabrication of gold capped Co nano-membranes with a 2.6 nm Co laye"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03838","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":"2026-05-18T00:34:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xquZ/RfxDlJ3JY7Y7Av80resptPTLi9ovraYsfU8/L8+cf0qe/fSGWfW9uCSf6+wa9fIM9gSTmK5KIfUZwtbDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:14:17.002948Z"},"content_sha256":"d89d5aa63818a556f95121c263cd570a46478ebb3863ece72b261b15b430ab8b","schema_version":"1.0","event_id":"sha256:d89d5aa63818a556f95121c263cd570a46478ebb3863ece72b261b15b430ab8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/bundle.json","state_url":"https://pith.science/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/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":"2026-05-26T01:14:17Z","links":{"resolver":"https://pith.science/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP","bundle":"https://pith.science/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/bundle.json","state":"https://pith.science/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3T6JTNOHCDTX3ZXFHNAXLYNFPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3T6JTNOHCDTX3ZXFHNAXLYNFPP","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":"dae2dcef9b6e655e7bfe8a551538e24476329ede6400d9121ebe55f7b44a3aaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-12T13:45:26Z","title_canon_sha256":"23bb10766a91de7e7a5ad3890ad30ec0d99db0c80f78fb95aa540f5e3e02ae05"},"schema_version":"1.0","source":{"id":"1709.03838","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03838","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03838v3","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03838","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"pith_short_12","alias_value":"3T6JTNOHCDTX","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3T6JTNOHCDTX3ZXF","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3T6JTNOH","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:d89d5aa63818a556f95121c263cd570a46478ebb3863ece72b261b15b430ab8b","target":"graph","created_at":"2026-05-18T00:34:41Z","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":"Free-standing ferromagnetic nano-membranes with thicknesses below 10 nm could effectively be used for spin selective filtering of electrons. Such membranes can work both as spin detectors in electron-spectroscopy, -microscopy and -diffraction as well as a source of spin polarized electrons. Theoretical studies and previous work has indicated that ferromagnetic membranes of a few nm have Sherman functions in the 30-60 % range and would provide an effective alternative to current spin detection technology. Here we demonstrate the fabrication of gold capped Co nano-membranes with a 2.6 nm Co laye","authors_text":"B.M Wojek, H. Ohldag, M. Leandersson, O. Tjernberg, S. Bonetti, T. \\\"Overgaard, T. Wiell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-12T13:45:26Z","title":"Free-standing magnetic nano-membranes for electron spin-filtering applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03838","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":"sha256:781b281b7c3329de43f4a66728fbe504eb0bcdec7939b97b18c13cb6ae3504d0","target":"record","created_at":"2026-05-18T00:34:41Z","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":"dae2dcef9b6e655e7bfe8a551538e24476329ede6400d9121ebe55f7b44a3aaf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-12T13:45:26Z","title_canon_sha256":"23bb10766a91de7e7a5ad3890ad30ec0d99db0c80f78fb95aa540f5e3e02ae05"},"schema_version":"1.0","source":{"id":"1709.03838","kind":"arxiv","version":3}},"canonical_sha256":"dcfc99b5c710e77de6e53b4175e1a57bc926b745a92276fdea038d0292bc25d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcfc99b5c710e77de6e53b4175e1a57bc926b745a92276fdea038d0292bc25d0","first_computed_at":"2026-05-18T00:34:41.195655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:41.195655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m+CP/3gOXLwNr3C7m5dTvpcuNbL/kvZPg7Op8AoSZzdKXKOyYWFscSmAY1CHoxtwOPnNR31QxNPhoyAInR6MCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:41.196372Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.03838","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:781b281b7c3329de43f4a66728fbe504eb0bcdec7939b97b18c13cb6ae3504d0","sha256:d89d5aa63818a556f95121c263cd570a46478ebb3863ece72b261b15b430ab8b"],"state_sha256":"38251739d19562a0c35aeb7ac4963f7bc376d09bee8012c08b05e4fa334446bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FPFijZpevbVQeZF2KjYxk1r34AE6lJn/AINuCaf+sYwXAVnYXliMOfoHD2WjDh1MIz5oOxDb1G1jnUw0DGa0Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:14:17.006736Z","bundle_sha256":"4c13f7303a84bd0e18d49136885b21e29eb414d7748fd36cd026f9bbb68e011b"}}