{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QAUZ4YDTI7U3VGM3EY4VDUYY6U","short_pith_number":"pith:QAUZ4YDT","canonical_record":{"source":{"id":"1410.6693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-10-24T14:26:35Z","cross_cats_sorted":[],"title_canon_sha256":"3b521f8e727363ab310db792fcc909d7b9260dbc3af40b862d90ac27e3c6a617","abstract_canon_sha256":"bda01e040fc1c1da5456d5f14093d9a90d882df9a85e92b4bbbb0354b33aee51"},"schema_version":"1.0"},"canonical_sha256":"80299e607347e9ba999b263951d318f51dff2f7fe3d9291daf37cd12008a49a0","source":{"kind":"arxiv","id":"1410.6693","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6693","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6693v1","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6693","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"QAUZ4YDTI7U3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"QAUZ4YDTI7U3VGM3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"QAUZ4YDT","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QAUZ4YDTI7U3VGM3EY4VDUYY6U","target":"record","payload":{"canonical_record":{"source":{"id":"1410.6693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-10-24T14:26:35Z","cross_cats_sorted":[],"title_canon_sha256":"3b521f8e727363ab310db792fcc909d7b9260dbc3af40b862d90ac27e3c6a617","abstract_canon_sha256":"bda01e040fc1c1da5456d5f14093d9a90d882df9a85e92b4bbbb0354b33aee51"},"schema_version":"1.0"},"canonical_sha256":"80299e607347e9ba999b263951d318f51dff2f7fe3d9291daf37cd12008a49a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:04.825600Z","signature_b64":"CFEeOgho4K6c1Sc32Lsu/CI3/uziw0wAlnJt0HickSTpJnplPXRYcGJLJJpUsdeHjhVIXHgntLtdoPgn8OMgDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80299e607347e9ba999b263951d318f51dff2f7fe3d9291daf37cd12008a49a0","last_reissued_at":"2026-05-18T01:29:04.824812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:04.824812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.6693","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":"2026-05-18T01:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jtay9w3sZ5NSQzVzr3H4FjFx7hhd2nD6q68MlnVSsYHQm8SjIHlQ0wv8bunyl7a+xgmPPd7EepI8UzFZJJjfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T03:51:48.214627Z"},"content_sha256":"9afed34d5974ec1eeedbd9695a2213b42cbed6e3d5d18c31f2a95a23cf5d54f6","schema_version":"1.0","event_id":"sha256:9afed34d5974ec1eeedbd9695a2213b42cbed6e3d5d18c31f2a95a23cf5d54f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QAUZ4YDTI7U3VGM3EY4VDUYY6U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-linear spin-wave excitation at low bias fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Christian H. Back, Georg Woltersdorf, Hans G. Bauer, Peter Majchrak, Torsten Kachel","submitted_at":"2014-10-24T14:26:35Z","abstract_excerpt":"Non-linear magnetization dynamics is essential for the operation of many spintronics devices. For microwave assisted switching of magnetic elements the low field regime is of particular interest. In addition a large number of experiments uses high amplitude FMR in order to generate d.c. currents via spin pumping mechanism. Here we use time resolved X-ray magnetic circular dichroism experiments to determine the number density of excited magnons in magnetically soft Ni_80Fe_20 thin films at small bias fields and large rf-excitation amplitudes. Our data shows that the common model of non-linear f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6693","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":"2026-05-18T01:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xxLx9Tbkd4GqjBrhQOcdoYmT7eC9dxmw8zyl0NgaNQiEwqkAS/QvbMa7D/nEYXbVk/Pe74rxUzAnNwzNj5UDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T03:51:48.215005Z"},"content_sha256":"8ef63152fd9a0ad72fa3c49f29976b8dd2f017536a6892141817b3bddc82f3b4","schema_version":"1.0","event_id":"sha256:8ef63152fd9a0ad72fa3c49f29976b8dd2f017536a6892141817b3bddc82f3b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/bundle.json","state_url":"https://pith.science/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/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":"2026-06-26T03:51:48Z","links":{"resolver":"https://pith.science/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U","bundle":"https://pith.science/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/bundle.json","state":"https://pith.science/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QAUZ4YDTI7U3VGM3EY4VDUYY6U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QAUZ4YDTI7U3VGM3EY4VDUYY6U","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":"bda01e040fc1c1da5456d5f14093d9a90d882df9a85e92b4bbbb0354b33aee51","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-10-24T14:26:35Z","title_canon_sha256":"3b521f8e727363ab310db792fcc909d7b9260dbc3af40b862d90ac27e3c6a617"},"schema_version":"1.0","source":{"id":"1410.6693","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6693","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6693v1","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6693","created_at":"2026-05-18T01:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"QAUZ4YDTI7U3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"QAUZ4YDTI7U3VGM3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"QAUZ4YDT","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:8ef63152fd9a0ad72fa3c49f29976b8dd2f017536a6892141817b3bddc82f3b4","target":"graph","created_at":"2026-05-18T01:29:04Z","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":"Non-linear magnetization dynamics is essential for the operation of many spintronics devices. For microwave assisted switching of magnetic elements the low field regime is of particular interest. In addition a large number of experiments uses high amplitude FMR in order to generate d.c. currents via spin pumping mechanism. Here we use time resolved X-ray magnetic circular dichroism experiments to determine the number density of excited magnons in magnetically soft Ni_80Fe_20 thin films at small bias fields and large rf-excitation amplitudes. Our data shows that the common model of non-linear f","authors_text":"Christian H. Back, Georg Woltersdorf, Hans G. Bauer, Peter Majchrak, Torsten Kachel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-10-24T14:26:35Z","title":"Non-linear spin-wave excitation at low bias fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6693","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":"sha256:9afed34d5974ec1eeedbd9695a2213b42cbed6e3d5d18c31f2a95a23cf5d54f6","target":"record","created_at":"2026-05-18T01:29:04Z","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":"bda01e040fc1c1da5456d5f14093d9a90d882df9a85e92b4bbbb0354b33aee51","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-10-24T14:26:35Z","title_canon_sha256":"3b521f8e727363ab310db792fcc909d7b9260dbc3af40b862d90ac27e3c6a617"},"schema_version":"1.0","source":{"id":"1410.6693","kind":"arxiv","version":1}},"canonical_sha256":"80299e607347e9ba999b263951d318f51dff2f7fe3d9291daf37cd12008a49a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80299e607347e9ba999b263951d318f51dff2f7fe3d9291daf37cd12008a49a0","first_computed_at":"2026-05-18T01:29:04.824812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:04.824812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CFEeOgho4K6c1Sc32Lsu/CI3/uziw0wAlnJt0HickSTpJnplPXRYcGJLJJpUsdeHjhVIXHgntLtdoPgn8OMgDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:04.825600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.6693","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9afed34d5974ec1eeedbd9695a2213b42cbed6e3d5d18c31f2a95a23cf5d54f6","sha256:8ef63152fd9a0ad72fa3c49f29976b8dd2f017536a6892141817b3bddc82f3b4"],"state_sha256":"f84fa9aaa0aab0f9896e6d4fc21cb5ed44fd80b05654a6092c7ceb7017c80706"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PJ+StD3Dj4AGe/3yizNMYf95QVHFrm2ZAfu9w16FFpOoPS/aC9hMrTLij6lIlfskSLWQE4hafgmWljfESxqeAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T03:51:48.217039Z","bundle_sha256":"6f5a32d4a049d7738ac6d8b29d6d9fba460275ec5d9131c750a5d12941a8b77c"}}