{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TQZAB3ZTRR4VRTUN4SBTFB4UYX","short_pith_number":"pith:TQZAB3ZT","canonical_record":{"source":{"id":"1501.00313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-01T20:53:13Z","cross_cats_sorted":[],"title_canon_sha256":"b14b359da4fb6d62bbb51201a822cfa4126078c02298a2c3a4f9e4540ecfd068","abstract_canon_sha256":"51a5caef8f6102f346ad034ea0903634c065b1c1d3eb381304a801f4b1612e41"},"schema_version":"1.0"},"canonical_sha256":"9c3200ef338c7958ce8de483328794c5ce606287ab2c6969fefd8a44681f7ab8","source":{"kind":"arxiv","id":"1501.00313","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00313","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00313v1","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00313","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"pith_short_12","alias_value":"TQZAB3ZTRR4V","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TQZAB3ZTRR4VRTUN","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TQZAB3ZT","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TQZAB3ZTRR4VRTUN4SBTFB4UYX","target":"record","payload":{"canonical_record":{"source":{"id":"1501.00313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-01T20:53:13Z","cross_cats_sorted":[],"title_canon_sha256":"b14b359da4fb6d62bbb51201a822cfa4126078c02298a2c3a4f9e4540ecfd068","abstract_canon_sha256":"51a5caef8f6102f346ad034ea0903634c065b1c1d3eb381304a801f4b1612e41"},"schema_version":"1.0"},"canonical_sha256":"9c3200ef338c7958ce8de483328794c5ce606287ab2c6969fefd8a44681f7ab8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:14.952578Z","signature_b64":"he1EN5mcSmlwaFFjLKvljNqZ/2dC3Za09zwnskHql/fiUTtG9sjMe3y8mGqxosYFw8cZoG5q+L+0qfuLuUQHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c3200ef338c7958ce8de483328794c5ce606287ab2c6969fefd8a44681f7ab8","last_reissued_at":"2026-05-18T01:41:14.952085Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:14.952085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.00313","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":"2026-05-18T01:41:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPB/2yPb8zLNCHyYukUXfa9qsNKImcroastWuPelk0ah/V4Yy9cc9laDSf5+jolzaHPgBWY3R6xGhrDW2rwvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:29:12.577026Z"},"content_sha256":"00f0c634f7a522b055d02d899a85218be462378a302eb01a17a0e4917f8b2438","schema_version":"1.0","event_id":"sha256:00f0c634f7a522b055d02d899a85218be462378a302eb01a17a0e4917f8b2438"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TQZAB3ZTRR4VRTUN4SBTFB4UYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic rotor mode in antiferromagnetic nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Wischnewski, C. R. H. Bahl, H. Jacobsen, H.S. Jacobsen, J. Garde, K. Lefmann, L. Theil Kuhn, P. Hedegard, S. N. Ancona","submitted_at":"2015-01-01T20:53:13Z","abstract_excerpt":"We present experimental, numerical, and theoretical evidence for a new mode of antiferromagnetic dynamics in nanoparticles. Elastic neutron scattering experiments on 8 nm particles of hematite display a loss of diffraction intensity with temperature, the intensity vanishing around 150 K. However, the signal from inelastic neutron scattering remains above that temperature, indicating a magnetic system in constant motion. In addition, the precession frequency of the inelastic magnetic signal shows an increase above 100 K. Numerical Langevin simulations of spin dynamics reproduce all measured neu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00313","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":"2026-05-18T01:41:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FT7bKHKTMd61YNTlrmTjyOo9K5/MwqBk1tMmA6epHJWWU0PR9WSUYpJ/Y7gxAPmspFgUQ3yFeQ5RL/fPyFibBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:29:12.577592Z"},"content_sha256":"8b68b70c0270ae077d4b97b38a5556bbeb73715404ae114aae13a6d0bbe41b1c","schema_version":"1.0","event_id":"sha256:8b68b70c0270ae077d4b97b38a5556bbeb73715404ae114aae13a6d0bbe41b1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/bundle.json","state_url":"https://pith.science/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/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":"2026-05-27T07:29:12Z","links":{"resolver":"https://pith.science/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX","bundle":"https://pith.science/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/bundle.json","state":"https://pith.science/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQZAB3ZTRR4VRTUN4SBTFB4UYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TQZAB3ZTRR4VRTUN4SBTFB4UYX","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":"51a5caef8f6102f346ad034ea0903634c065b1c1d3eb381304a801f4b1612e41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-01T20:53:13Z","title_canon_sha256":"b14b359da4fb6d62bbb51201a822cfa4126078c02298a2c3a4f9e4540ecfd068"},"schema_version":"1.0","source":{"id":"1501.00313","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00313","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00313v1","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00313","created_at":"2026-05-18T01:41:14Z"},{"alias_kind":"pith_short_12","alias_value":"TQZAB3ZTRR4V","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TQZAB3ZTRR4VRTUN","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TQZAB3ZT","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:8b68b70c0270ae077d4b97b38a5556bbeb73715404ae114aae13a6d0bbe41b1c","target":"graph","created_at":"2026-05-18T01:41:14Z","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":"We present experimental, numerical, and theoretical evidence for a new mode of antiferromagnetic dynamics in nanoparticles. Elastic neutron scattering experiments on 8 nm particles of hematite display a loss of diffraction intensity with temperature, the intensity vanishing around 150 K. However, the signal from inelastic neutron scattering remains above that temperature, indicating a magnetic system in constant motion. In addition, the precession frequency of the inelastic magnetic signal shows an increase above 100 K. Numerical Langevin simulations of spin dynamics reproduce all measured neu","authors_text":"A. Wischnewski, C. R. H. Bahl, H. Jacobsen, H.S. Jacobsen, J. Garde, K. Lefmann, L. Theil Kuhn, P. Hedegard, S. N. Ancona","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-01T20:53:13Z","title":"Dynamic rotor mode in antiferromagnetic nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00313","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":"sha256:00f0c634f7a522b055d02d899a85218be462378a302eb01a17a0e4917f8b2438","target":"record","created_at":"2026-05-18T01:41:14Z","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":"51a5caef8f6102f346ad034ea0903634c065b1c1d3eb381304a801f4b1612e41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-01T20:53:13Z","title_canon_sha256":"b14b359da4fb6d62bbb51201a822cfa4126078c02298a2c3a4f9e4540ecfd068"},"schema_version":"1.0","source":{"id":"1501.00313","kind":"arxiv","version":1}},"canonical_sha256":"9c3200ef338c7958ce8de483328794c5ce606287ab2c6969fefd8a44681f7ab8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c3200ef338c7958ce8de483328794c5ce606287ab2c6969fefd8a44681f7ab8","first_computed_at":"2026-05-18T01:41:14.952085Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:14.952085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"he1EN5mcSmlwaFFjLKvljNqZ/2dC3Za09zwnskHql/fiUTtG9sjMe3y8mGqxosYFw8cZoG5q+L+0qfuLuUQHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:14.952578Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.00313","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00f0c634f7a522b055d02d899a85218be462378a302eb01a17a0e4917f8b2438","sha256:8b68b70c0270ae077d4b97b38a5556bbeb73715404ae114aae13a6d0bbe41b1c"],"state_sha256":"40c0c2a2b5b8f84c059a662e2743fa4576ca2ed2395e010069d4973d24aa5269"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2JewPb3NM5lLkQd7Oip47s04hgP/GCtE4wFo99cv2EMwoYwS4BBBpsjGkJuG2vz2EI2SzqOjCOL5H17dsYA+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:29:12.581004Z","bundle_sha256":"d68f9635da2ff50ae7564fc238c91bada568fd19a20563d2a4da986104ca2a67"}}