{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7XS37SREQNMWD7RJUV2J7EDPM6","short_pith_number":"pith:7XS37SRE","canonical_record":{"source":{"id":"1806.01554","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-05T08:30:37Z","cross_cats_sorted":[],"title_canon_sha256":"2d5d3ff1ec3562e559c9529107915b04c252eb2387b31e377675ead5d7764c2b","abstract_canon_sha256":"a1da244e5d0b5f5c33a570329a746a7997ba890a1cd0832a7b13a6e88ed3569b"},"schema_version":"1.0"},"canonical_sha256":"fde5bfca24835961fe29a5749f906f67a3c0e435b8d2d2298d330ea3334c4f83","source":{"kind":"arxiv","id":"1806.01554","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01554","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01554v3","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01554","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"pith_short_12","alias_value":"7XS37SREQNMW","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7XS37SREQNMWD7RJ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7XS37SRE","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7XS37SREQNMWD7RJUV2J7EDPM6","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01554","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-05T08:30:37Z","cross_cats_sorted":[],"title_canon_sha256":"2d5d3ff1ec3562e559c9529107915b04c252eb2387b31e377675ead5d7764c2b","abstract_canon_sha256":"a1da244e5d0b5f5c33a570329a746a7997ba890a1cd0832a7b13a6e88ed3569b"},"schema_version":"1.0"},"canonical_sha256":"fde5bfca24835961fe29a5749f906f67a3c0e435b8d2d2298d330ea3334c4f83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:38.209147Z","signature_b64":"ghpqlresaTNzpWK/yOi6Xsl8GcoKuFw/egyVILMqljGeCAjCVmTCaT0yNr3qAAc+4U2K29EspoApiSKfz10wBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fde5bfca24835961fe29a5749f906f67a3c0e435b8d2d2298d330ea3334c4f83","last_reissued_at":"2026-05-17T23:45:38.208367Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:38.208367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01554","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":"2026-05-17T23:45:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8y2HrVw42tn3iEM8G1FVWOMiAXHiLiwQgKcNG3M9GYdBYUEFsagKwcLuz/nBBVQXgRPxoSMbw/gkgHjUnRx2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:29:26.673594Z"},"content_sha256":"5d0b862e3db9719be54e503e067aea3751a868765a87f7bd9e2cc97c33115b74","schema_version":"1.0","event_id":"sha256:5d0b862e3db9719be54e503e067aea3751a868765a87f7bd9e2cc97c33115b74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7XS37SREQNMWD7RJUV2J7EDPM6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Backscattering immunity of dipole-exchange magnetostatic surface spin waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Hillebrands, D. A. Bozhko, M. Mohseni, P. Pirro, Q. Wang, R. Verba, T. Bracher","submitted_at":"2018-06-05T08:30:37Z","abstract_excerpt":"The existence of backscattering-immune spin-wave modes is demonstrated in magnetic thin films of nano-scale thickness. Our results reveal that chiral Magneto Static Surface Waves (cMSSWs), which propagate perpendicular to the magnetization direction in an in-plane magnetized thin film, are robust against backscattering from surface defects. cMSSWs are protected against various types of surface inhomogeneities and defects as long as their frequency lies inside the gap of the volume modes. Our explanation is independent of the topology of the modes and predicts that this robustness is a conseque"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01554","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":"2026-05-17T23:45:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6Cn/fUi9+00yggHK/RICR7hQ5wr7TH0aND4scr+k6t9U1snSF2pcDPJcgP9CftDTnaQ+7V4mpsHnISkLb8QDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:29:26.674447Z"},"content_sha256":"4778783ef2c582cfccfce20d6b1ea76c2e6033c16d88c204bf772cb85c5ef14e","schema_version":"1.0","event_id":"sha256:4778783ef2c582cfccfce20d6b1ea76c2e6033c16d88c204bf772cb85c5ef14e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7XS37SREQNMWD7RJUV2J7EDPM6/bundle.json","state_url":"https://pith.science/pith/7XS37SREQNMWD7RJUV2J7EDPM6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7XS37SREQNMWD7RJUV2J7EDPM6/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":"2026-05-30T11:29:26Z","links":{"resolver":"https://pith.science/pith/7XS37SREQNMWD7RJUV2J7EDPM6","bundle":"https://pith.science/pith/7XS37SREQNMWD7RJUV2J7EDPM6/bundle.json","state":"https://pith.science/pith/7XS37SREQNMWD7RJUV2J7EDPM6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7XS37SREQNMWD7RJUV2J7EDPM6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7XS37SREQNMWD7RJUV2J7EDPM6","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":"a1da244e5d0b5f5c33a570329a746a7997ba890a1cd0832a7b13a6e88ed3569b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-05T08:30:37Z","title_canon_sha256":"2d5d3ff1ec3562e559c9529107915b04c252eb2387b31e377675ead5d7764c2b"},"schema_version":"1.0","source":{"id":"1806.01554","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01554","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01554v3","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01554","created_at":"2026-05-17T23:45:38Z"},{"alias_kind":"pith_short_12","alias_value":"7XS37SREQNMW","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7XS37SREQNMWD7RJ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7XS37SRE","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:4778783ef2c582cfccfce20d6b1ea76c2e6033c16d88c204bf772cb85c5ef14e","target":"graph","created_at":"2026-05-17T23:45:38Z","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":"The existence of backscattering-immune spin-wave modes is demonstrated in magnetic thin films of nano-scale thickness. Our results reveal that chiral Magneto Static Surface Waves (cMSSWs), which propagate perpendicular to the magnetization direction in an in-plane magnetized thin film, are robust against backscattering from surface defects. cMSSWs are protected against various types of surface inhomogeneities and defects as long as their frequency lies inside the gap of the volume modes. Our explanation is independent of the topology of the modes and predicts that this robustness is a conseque","authors_text":"B. Hillebrands, D. A. Bozhko, M. Mohseni, P. Pirro, Q. Wang, R. Verba, T. Bracher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-05T08:30:37Z","title":"Backscattering immunity of dipole-exchange magnetostatic surface spin waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01554","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":"sha256:5d0b862e3db9719be54e503e067aea3751a868765a87f7bd9e2cc97c33115b74","target":"record","created_at":"2026-05-17T23:45:38Z","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":"a1da244e5d0b5f5c33a570329a746a7997ba890a1cd0832a7b13a6e88ed3569b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-05T08:30:37Z","title_canon_sha256":"2d5d3ff1ec3562e559c9529107915b04c252eb2387b31e377675ead5d7764c2b"},"schema_version":"1.0","source":{"id":"1806.01554","kind":"arxiv","version":3}},"canonical_sha256":"fde5bfca24835961fe29a5749f906f67a3c0e435b8d2d2298d330ea3334c4f83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fde5bfca24835961fe29a5749f906f67a3c0e435b8d2d2298d330ea3334c4f83","first_computed_at":"2026-05-17T23:45:38.208367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:38.208367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ghpqlresaTNzpWK/yOi6Xsl8GcoKuFw/egyVILMqljGeCAjCVmTCaT0yNr3qAAc+4U2K29EspoApiSKfz10wBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:38.209147Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01554","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d0b862e3db9719be54e503e067aea3751a868765a87f7bd9e2cc97c33115b74","sha256:4778783ef2c582cfccfce20d6b1ea76c2e6033c16d88c204bf772cb85c5ef14e"],"state_sha256":"6b9be9341b21d6f9664d513b28bf50fe2a4cde51090842f5cc94b035337713c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5fXQfiGiODDXDaFt9dEh+hA4OSFty5sqUj1eAsBWwtvjcsWYvD0pqH851THjKvz5kP4xgGTQxB7vZlm7NlwMCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:29:26.679677Z","bundle_sha256":"c1936fc027444b47d37c70394d0215a296598e2c7d16ea200eb1915e9f320fdf"}}