{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WHMN4NVEHJQWU3HAZYCJFHCL5K","short_pith_number":"pith:WHMN4NVE","canonical_record":{"source":{"id":"1806.02517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-07T05:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"82266f5730d445f27f563c205fd919ea24ef7450189b3c96b640022364519385","abstract_canon_sha256":"88222de60d6d239fe6c0e393771407be56e62b58a61f40c2f4695687521cfd95"},"schema_version":"1.0"},"canonical_sha256":"b1d8de36a43a616a6ce0ce04929c4bea8d515c27fd2a3dea0cedcc694fc10b66","source":{"kind":"arxiv","id":"1806.02517","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.02517","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1806.02517v1","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.02517","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"WHMN4NVEHJQW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHMN4NVEHJQWU3HA","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHMN4NVE","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WHMN4NVEHJQWU3HAZYCJFHCL5K","target":"record","payload":{"canonical_record":{"source":{"id":"1806.02517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-07T05:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"82266f5730d445f27f563c205fd919ea24ef7450189b3c96b640022364519385","abstract_canon_sha256":"88222de60d6d239fe6c0e393771407be56e62b58a61f40c2f4695687521cfd95"},"schema_version":"1.0"},"canonical_sha256":"b1d8de36a43a616a6ce0ce04929c4bea8d515c27fd2a3dea0cedcc694fc10b66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:38.985152Z","signature_b64":"X2Lx+RLNN56pHXZuGTrcH0dcwgZNs82SyDnT8dFvF3xPv5gatFnicpqoW+bkPVETYXv8jzuloHnfXiqYtSI1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1d8de36a43a616a6ce0ce04929c4bea8d515c27fd2a3dea0cedcc694fc10b66","last_reissued_at":"2026-05-17T23:58:38.984470Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:38.984470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.02517","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":"2026-05-17T23:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZn21tumcY3qyYaOJbEMp6IXXUsbiW41q2i5+oYNcD/RyaPWM+QxREPLMglk3UVRlyI1VCk0OG33tAoK+ZfEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T12:56:36.683059Z"},"content_sha256":"f74ac08e5eb200883fb4e4324b73d964e0348e2f77c200fe0b02aa523125b4df","schema_version":"1.0","event_id":"sha256:f74ac08e5eb200883fb4e4324b73d964e0348e2f77c200fe0b02aa523125b4df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WHMN4NVEHJQWU3HAZYCJFHCL5K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Terahertz Emission from Compensated Magnetic Heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Hyunsoo Yang, Kyusup Lee, Mengji Chen, Rahul Mishra, Yang Wu","submitted_at":"2018-06-07T05:36:31Z","abstract_excerpt":"Terahertz emission spectroscopy (TES) has recently played an important role in unveiling the spin dynamics at a terahertz (THz) frequency range. So far, ferromagnetic (FM)/nonmagnetic (NM) heterostructures have been intensively studied as THz sources. Compensated magnets such as a ferrimagnet (FIM) and antiferromagnet (AFM) are other types of magnetic materials with interesting spin dynamics. In this work, we study TES from compensated magnetic heterostructures including CoGd FIM alloy or IrMn AFM layers. Systematic measurements on composition and temperature dependences of THz emission from C"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.02517","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":"2026-05-17T23:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hKSLd61O6deCKJvec5R+eoATmjW9iz6BnsDj3zjY4DCezKdxTgFzAQgazS25N+vVA+raIutPMhrL/PTzYtMeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T12:56:36.683426Z"},"content_sha256":"4af2ece8523a7f57dbd83568c2dec3e73ae1335f9d1c8e9019dab1392c6ac9a7","schema_version":"1.0","event_id":"sha256:4af2ece8523a7f57dbd83568c2dec3e73ae1335f9d1c8e9019dab1392c6ac9a7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/bundle.json","state_url":"https://pith.science/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/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":"2026-05-21T12:56:36Z","links":{"resolver":"https://pith.science/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K","bundle":"https://pith.science/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/bundle.json","state":"https://pith.science/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WHMN4NVEHJQWU3HAZYCJFHCL5K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WHMN4NVEHJQWU3HAZYCJFHCL5K","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":"88222de60d6d239fe6c0e393771407be56e62b58a61f40c2f4695687521cfd95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-07T05:36:31Z","title_canon_sha256":"82266f5730d445f27f563c205fd919ea24ef7450189b3c96b640022364519385"},"schema_version":"1.0","source":{"id":"1806.02517","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.02517","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1806.02517v1","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.02517","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"WHMN4NVEHJQW","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHMN4NVEHJQWU3HA","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHMN4NVE","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:4af2ece8523a7f57dbd83568c2dec3e73ae1335f9d1c8e9019dab1392c6ac9a7","target":"graph","created_at":"2026-05-17T23:58:38Z","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":"Terahertz emission spectroscopy (TES) has recently played an important role in unveiling the spin dynamics at a terahertz (THz) frequency range. So far, ferromagnetic (FM)/nonmagnetic (NM) heterostructures have been intensively studied as THz sources. Compensated magnets such as a ferrimagnet (FIM) and antiferromagnet (AFM) are other types of magnetic materials with interesting spin dynamics. In this work, we study TES from compensated magnetic heterostructures including CoGd FIM alloy or IrMn AFM layers. Systematic measurements on composition and temperature dependences of THz emission from C","authors_text":"Hyunsoo Yang, Kyusup Lee, Mengji Chen, Rahul Mishra, Yang Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-07T05:36:31Z","title":"Terahertz Emission from Compensated Magnetic Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.02517","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:f74ac08e5eb200883fb4e4324b73d964e0348e2f77c200fe0b02aa523125b4df","target":"record","created_at":"2026-05-17T23:58:38Z","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":"88222de60d6d239fe6c0e393771407be56e62b58a61f40c2f4695687521cfd95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-07T05:36:31Z","title_canon_sha256":"82266f5730d445f27f563c205fd919ea24ef7450189b3c96b640022364519385"},"schema_version":"1.0","source":{"id":"1806.02517","kind":"arxiv","version":1}},"canonical_sha256":"b1d8de36a43a616a6ce0ce04929c4bea8d515c27fd2a3dea0cedcc694fc10b66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1d8de36a43a616a6ce0ce04929c4bea8d515c27fd2a3dea0cedcc694fc10b66","first_computed_at":"2026-05-17T23:58:38.984470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:38.984470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X2Lx+RLNN56pHXZuGTrcH0dcwgZNs82SyDnT8dFvF3xPv5gatFnicpqoW+bkPVETYXv8jzuloHnfXiqYtSI1Bw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:38.985152Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.02517","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f74ac08e5eb200883fb4e4324b73d964e0348e2f77c200fe0b02aa523125b4df","sha256:4af2ece8523a7f57dbd83568c2dec3e73ae1335f9d1c8e9019dab1392c6ac9a7"],"state_sha256":"0d598b92beb49b3e8fbcd6b36b3d9a0d561acc8de261f911f6a7270b86a9360f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UPmn3QRRWkivdnaHj5B+2nR8GtiEVqeDIeYVSNdFJ5HncePZE+vtYSt0YW3GirpdG5xX3GOKxhvtnD4ycRQEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T12:56:36.685636Z","bundle_sha256":"2fff80c6cbf83215404b7f47f62b373c942511fddb1d93107cf531d56dc0ca7d"}}