{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GMOCVE4VZQMWHLBYBFH3ZU7THZ","short_pith_number":"pith:GMOCVE4V","canonical_record":{"source":{"id":"2606.01201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-31T12:32:50Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6df5835a66aa90ae01c1f56c2c91acfc0e9f94594afe3824d2d14b84f0b66518","abstract_canon_sha256":"97da63928a0aa1fbe450bf343069a678a1f02f79f9acddc0fdbe11f6322c03bb"},"schema_version":"1.0"},"canonical_sha256":"331c2a9395cc1963ac38094fbcd3f33e79527b8b050a6ba67d235c1d8887e4d6","source":{"kind":"arxiv","id":"2606.01201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01201","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01201v1","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01201","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"GMOCVE4VZQMW","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_16","alias_value":"GMOCVE4VZQMWHLBY","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_8","alias_value":"GMOCVE4V","created_at":"2026-06-02T02:04:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GMOCVE4VZQMWHLBYBFH3ZU7THZ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.01201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-31T12:32:50Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6df5835a66aa90ae01c1f56c2c91acfc0e9f94594afe3824d2d14b84f0b66518","abstract_canon_sha256":"97da63928a0aa1fbe450bf343069a678a1f02f79f9acddc0fdbe11f6322c03bb"},"schema_version":"1.0"},"canonical_sha256":"331c2a9395cc1963ac38094fbcd3f33e79527b8b050a6ba67d235c1d8887e4d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:26.706052Z","signature_b64":"ju9W3Sh/HXXZFG1jO54UQ4U+iYerGS5sOOn79WVuVo4BFVggQAXKUhpllebykNFcIo/OmAhWEUySRpLsNVD6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"331c2a9395cc1963ac38094fbcd3f33e79527b8b050a6ba67d235c1d8887e4d6","last_reissued_at":"2026-06-02T02:04:26.705639Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:26.705639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.01201","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":"2026-06-02T02:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Oq0izEq/9HPfEt09eOI+d4wMBIQean5lAAWXYHrQ1MfB+cZHti9F5M3xWf9TGylxqVRDy46iwyPgq7CcWtODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:46:28.783156Z"},"content_sha256":"3b5748eb8b513e34afd178fae929c5dfabb8c0717e7f7420ce1f8ee2af2e54c5","schema_version":"1.0","event_id":"sha256:3b5748eb8b513e34afd178fae929c5dfabb8c0717e7f7420ce1f8ee2af2e54c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GMOCVE4VZQMWHLBYBFH3ZU7THZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced Spin-to-Charge Conversion in Bi2Se3/NiFe via Interface Engineering with a Ti Spacer Layer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arabinda Haldar, Chandrasekhar Murapaka, Poulami Manna, Ravi Prakash Singh, Sourav Rajat Subhra Maitra","submitted_at":"2026-05-31T12:32:50Z","abstract_excerpt":"Topological insulators have attracted significant attention in spintronics due to their topological surface states and spin-momentum-locking-driven spin-to-charge conversion. Among these, Bi2Se3 has been extensively investigated because of its large bulk bandgap and single Dirac cone band structure. However, spin-to-charge conversion strongly depends on the quality of the topological insulator/ferromagnet interface. Here, we investigate spin-to-charge conversion in a sputter-deposited heterostructure comprising a topological insulator (Bi2Se3) and a ferromagnetic NiFe thin film separated by a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01201","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.01201/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-02T02:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ET5B7KA/HKrESI4UQQGH/gUDwh9UQtE/UxDP4Epe8lZ22O8dkZ4fFL0TYwbQ+NCw0LHz16ph+exEiJBrKgdCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:46:28.783542Z"},"content_sha256":"a0a820dcc30cbed46ac7c7b5646154bbe4ab4c707347439670fefc57849f0067","schema_version":"1.0","event_id":"sha256:a0a820dcc30cbed46ac7c7b5646154bbe4ab4c707347439670fefc57849f0067"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/bundle.json","state_url":"https://pith.science/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/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":"2026-06-03T07:46:28Z","links":{"resolver":"https://pith.science/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ","bundle":"https://pith.science/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/bundle.json","state":"https://pith.science/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GMOCVE4VZQMWHLBYBFH3ZU7THZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GMOCVE4VZQMWHLBYBFH3ZU7THZ","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":"97da63928a0aa1fbe450bf343069a678a1f02f79f9acddc0fdbe11f6322c03bb","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-31T12:32:50Z","title_canon_sha256":"6df5835a66aa90ae01c1f56c2c91acfc0e9f94594afe3824d2d14b84f0b66518"},"schema_version":"1.0","source":{"id":"2606.01201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01201","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01201v1","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01201","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"GMOCVE4VZQMW","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_16","alias_value":"GMOCVE4VZQMWHLBY","created_at":"2026-06-02T02:04:26Z"},{"alias_kind":"pith_short_8","alias_value":"GMOCVE4V","created_at":"2026-06-02T02:04:26Z"}],"graph_snapshots":[{"event_id":"sha256:a0a820dcc30cbed46ac7c7b5646154bbe4ab4c707347439670fefc57849f0067","target":"graph","created_at":"2026-06-02T02:04:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.01201/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological insulators have attracted significant attention in spintronics due to their topological surface states and spin-momentum-locking-driven spin-to-charge conversion. Among these, Bi2Se3 has been extensively investigated because of its large bulk bandgap and single Dirac cone band structure. However, spin-to-charge conversion strongly depends on the quality of the topological insulator/ferromagnet interface. Here, we investigate spin-to-charge conversion in a sputter-deposited heterostructure comprising a topological insulator (Bi2Se3) and a ferromagnetic NiFe thin film separated by a ","authors_text":"Arabinda Haldar, Chandrasekhar Murapaka, Poulami Manna, Ravi Prakash Singh, Sourav Rajat Subhra Maitra","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-31T12:32:50Z","title":"Enhanced Spin-to-Charge Conversion in Bi2Se3/NiFe via Interface Engineering with a Ti Spacer Layer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01201","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":"sha256:3b5748eb8b513e34afd178fae929c5dfabb8c0717e7f7420ce1f8ee2af2e54c5","target":"record","created_at":"2026-06-02T02:04:26Z","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":"97da63928a0aa1fbe450bf343069a678a1f02f79f9acddc0fdbe11f6322c03bb","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-31T12:32:50Z","title_canon_sha256":"6df5835a66aa90ae01c1f56c2c91acfc0e9f94594afe3824d2d14b84f0b66518"},"schema_version":"1.0","source":{"id":"2606.01201","kind":"arxiv","version":1}},"canonical_sha256":"331c2a9395cc1963ac38094fbcd3f33e79527b8b050a6ba67d235c1d8887e4d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"331c2a9395cc1963ac38094fbcd3f33e79527b8b050a6ba67d235c1d8887e4d6","first_computed_at":"2026-06-02T02:04:26.705639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:04:26.705639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ju9W3Sh/HXXZFG1jO54UQ4U+iYerGS5sOOn79WVuVo4BFVggQAXKUhpllebykNFcIo/OmAhWEUySRpLsNVD6Cw==","signature_status":"signed_v1","signed_at":"2026-06-02T02:04:26.706052Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.01201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b5748eb8b513e34afd178fae929c5dfabb8c0717e7f7420ce1f8ee2af2e54c5","sha256:a0a820dcc30cbed46ac7c7b5646154bbe4ab4c707347439670fefc57849f0067"],"state_sha256":"af3c41fac4a25c4cc2bccc54ca9f34e5aa297502bd72059fc07e5ae9bd4f1d9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ptMm1JAEpzX8STin/cgFxWN30WGxGTK6xznFVDgX9N0hptkgmjcKRDYprRUYr+KDIHJebYgV2OHzrmZg2/WyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:46:28.786069Z","bundle_sha256":"2f591299cf62875157fe40214f7c702821b3e2a889b80897cb52eea359d38537"}}