{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UPLPEAIZWILEC5ZFINS67QUIJI","short_pith_number":"pith:UPLPEAIZ","canonical_record":{"source":{"id":"1805.02193","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-06T11:52:19Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8a9788906f8212fdb0136c23467d08f88ae119ca70594f7aed79db1a0c96d2ab","abstract_canon_sha256":"cd51133f55845ccadc04be51d1ead808eea22b8e5310ef14792e19928c381b27"},"schema_version":"1.0"},"canonical_sha256":"a3d6f20119b2164177254365efc2884a36f9a0bce66d0046465d1f1df558b2bc","source":{"kind":"arxiv","id":"1805.02193","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02193","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02193v2","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02193","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"UPLPEAIZWILE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UPLPEAIZWILEC5ZF","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UPLPEAIZ","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UPLPEAIZWILEC5ZFINS67QUIJI","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02193","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-06T11:52:19Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8a9788906f8212fdb0136c23467d08f88ae119ca70594f7aed79db1a0c96d2ab","abstract_canon_sha256":"cd51133f55845ccadc04be51d1ead808eea22b8e5310ef14792e19928c381b27"},"schema_version":"1.0"},"canonical_sha256":"a3d6f20119b2164177254365efc2884a36f9a0bce66d0046465d1f1df558b2bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:49.019028Z","signature_b64":"PNPPULnS+UQ7MjCISOlg80fY8YjoksbJ5Prtfk9B8sar+c8dwxSp0qP5Nim7L1XEk11YOCLvmpptZxSoPN7jDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3d6f20119b2164177254365efc2884a36f9a0bce66d0046465d1f1df558b2bc","last_reissued_at":"2026-05-18T00:03:49.018618Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:49.018618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02193","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/wudHarV1Ar7Ph2ueB5bwGwvfWYOod2UKmoj7YjvNZjukTgvf6Jh0WUjYa2t5dSRA2zBZW9W99FEcgVhkyLAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:09:56.432428Z"},"content_sha256":"e3838aeecd0071d1197be0a90f0a82a3212562bb11f38a8d8c5da5abd15e2b9e","schema_version":"1.0","event_id":"sha256:e3838aeecd0071d1197be0a90f0a82a3212562bb11f38a8d8c5da5abd15e2b9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UPLPEAIZWILEC5ZFINS67QUIJI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Terahertz spectroscopy for all-optical spintronic characterization of the spin-Hall-effect metals Pt, W and Cu$_{80}$Ir$_{20}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gerhard Jakob, Lukas Nadvornik, Markus Muenzenberg, Martin Wolf, Mathias Klaeui, Ngoc Minh Tran, Oliver Gueckstock, Samridh Jaiswal, Seyed Mohammedreza Rouzegar, Tobias Kampfrath, Tom Sebastian Seifert, Vasily V. Temnov","submitted_at":"2018-05-06T11:52:19Z","abstract_excerpt":"Identifying materials with an efficient spin-to-charge conversion is crucial for future spintronic applications. The spin Hall effect is a central mechanism as it allows for the interconversion of spin and charge currents. Spintronic material research aims at maximizing its efficiency, quantified by the spin Hall angle $\\Theta_{\\textrm{SH}}$ and the spin-current relaxation length $\\lambda_{\\textrm{rel}}$. We develop an all-optical method with large sample throughput that allows us to extract $\\Theta_{\\textrm{SH}}$ and $\\lambda_{\\textrm{rel}}$. Employing terahertz spectroscopy, we characterize "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02193","kind":"arxiv","version":2},"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":"2026-05-18T00:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+WjbbDEtZeHMO+7JM84bEJkYiLyuI6znjF33WxGrUj1I2YuTFcDopyEHdbP8X55QzYkZk52McGsqWGLc26UIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:09:56.432797Z"},"content_sha256":"22f1b5e076e402151fed77593195ba210b9f9429aea177cd77b94722c12c8e79","schema_version":"1.0","event_id":"sha256:22f1b5e076e402151fed77593195ba210b9f9429aea177cd77b94722c12c8e79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UPLPEAIZWILEC5ZFINS67QUIJI/bundle.json","state_url":"https://pith.science/pith/UPLPEAIZWILEC5ZFINS67QUIJI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UPLPEAIZWILEC5ZFINS67QUIJI/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":"2026-05-31T12:09:56Z","links":{"resolver":"https://pith.science/pith/UPLPEAIZWILEC5ZFINS67QUIJI","bundle":"https://pith.science/pith/UPLPEAIZWILEC5ZFINS67QUIJI/bundle.json","state":"https://pith.science/pith/UPLPEAIZWILEC5ZFINS67QUIJI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UPLPEAIZWILEC5ZFINS67QUIJI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UPLPEAIZWILEC5ZFINS67QUIJI","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":"cd51133f55845ccadc04be51d1ead808eea22b8e5310ef14792e19928c381b27","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-06T11:52:19Z","title_canon_sha256":"8a9788906f8212fdb0136c23467d08f88ae119ca70594f7aed79db1a0c96d2ab"},"schema_version":"1.0","source":{"id":"1805.02193","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02193","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02193v2","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02193","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"UPLPEAIZWILE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UPLPEAIZWILEC5ZF","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UPLPEAIZ","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:22f1b5e076e402151fed77593195ba210b9f9429aea177cd77b94722c12c8e79","target":"graph","created_at":"2026-05-18T00:03:49Z","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":"Identifying materials with an efficient spin-to-charge conversion is crucial for future spintronic applications. The spin Hall effect is a central mechanism as it allows for the interconversion of spin and charge currents. Spintronic material research aims at maximizing its efficiency, quantified by the spin Hall angle $\\Theta_{\\textrm{SH}}$ and the spin-current relaxation length $\\lambda_{\\textrm{rel}}$. We develop an all-optical method with large sample throughput that allows us to extract $\\Theta_{\\textrm{SH}}$ and $\\lambda_{\\textrm{rel}}$. Employing terahertz spectroscopy, we characterize ","authors_text":"Gerhard Jakob, Lukas Nadvornik, Markus Muenzenberg, Martin Wolf, Mathias Klaeui, Ngoc Minh Tran, Oliver Gueckstock, Samridh Jaiswal, Seyed Mohammedreza Rouzegar, Tobias Kampfrath, Tom Sebastian Seifert, Vasily V. Temnov","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-06T11:52:19Z","title":"Terahertz spectroscopy for all-optical spintronic characterization of the spin-Hall-effect metals Pt, W and Cu$_{80}$Ir$_{20}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02193","kind":"arxiv","version":2},"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:e3838aeecd0071d1197be0a90f0a82a3212562bb11f38a8d8c5da5abd15e2b9e","target":"record","created_at":"2026-05-18T00:03:49Z","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":"cd51133f55845ccadc04be51d1ead808eea22b8e5310ef14792e19928c381b27","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-06T11:52:19Z","title_canon_sha256":"8a9788906f8212fdb0136c23467d08f88ae119ca70594f7aed79db1a0c96d2ab"},"schema_version":"1.0","source":{"id":"1805.02193","kind":"arxiv","version":2}},"canonical_sha256":"a3d6f20119b2164177254365efc2884a36f9a0bce66d0046465d1f1df558b2bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3d6f20119b2164177254365efc2884a36f9a0bce66d0046465d1f1df558b2bc","first_computed_at":"2026-05-18T00:03:49.018618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:49.018618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PNPPULnS+UQ7MjCISOlg80fY8YjoksbJ5Prtfk9B8sar+c8dwxSp0qP5Nim7L1XEk11YOCLvmpptZxSoPN7jDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:49.019028Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02193","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3838aeecd0071d1197be0a90f0a82a3212562bb11f38a8d8c5da5abd15e2b9e","sha256:22f1b5e076e402151fed77593195ba210b9f9429aea177cd77b94722c12c8e79"],"state_sha256":"0519f89ec0d04cc38af8715ec0e456dd75e215f8d1dfae0e5555893bac2e7f30"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AceId3vnUroWdKaBejEvI81MyrxXBjY5S9EaUkeuIN5JMGSmlp4vqlt8CXLeEstEnk6MOkcP/G2UgCR4rg+fCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:09:56.435001Z","bundle_sha256":"6c1399a887259d1cbf91d29fdb99f1573085886a8214ab018083e1b4093dc71d"}}