{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HXQGGPFRWNRMNOSULSN6O7SW7O","short_pith_number":"pith:HXQGGPFR","canonical_record":{"source":{"id":"1812.03339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-08T15:32:50Z","cross_cats_sorted":[],"title_canon_sha256":"4d93b4dbb0119a7f8ace619c309d1e047c3eb85c17e2465fa1f4f196a2b30fa0","abstract_canon_sha256":"8a4b8ad04932d42c42fcb9ad8b6c5b5891571a45d8fb4e7d8319d698ba78be6b"},"schema_version":"1.0"},"canonical_sha256":"3de0633cb1b362c6ba545c9be77e56fba453a5a6a0e7f66cdb83e37a694e1fc0","source":{"kind":"arxiv","id":"1812.03339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.03339","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1812.03339v1","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03339","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"HXQGGPFRWNRM","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HXQGGPFRWNRMNOSU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HXQGGPFR","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HXQGGPFRWNRMNOSULSN6O7SW7O","target":"record","payload":{"canonical_record":{"source":{"id":"1812.03339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-08T15:32:50Z","cross_cats_sorted":[],"title_canon_sha256":"4d93b4dbb0119a7f8ace619c309d1e047c3eb85c17e2465fa1f4f196a2b30fa0","abstract_canon_sha256":"8a4b8ad04932d42c42fcb9ad8b6c5b5891571a45d8fb4e7d8319d698ba78be6b"},"schema_version":"1.0"},"canonical_sha256":"3de0633cb1b362c6ba545c9be77e56fba453a5a6a0e7f66cdb83e37a694e1fc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:46.482802Z","signature_b64":"/mhuH3kT0PWlQvTKqllqlPeLjHtuPenOHYVL7n/MwveZewy6Sdh4g9EwWjWRMTXEhisXGm/YtKsYFMFcQkQpDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3de0633cb1b362c6ba545c9be77e56fba453a5a6a0e7f66cdb83e37a694e1fc0","last_reissued_at":"2026-05-17T23:58:46.482365Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:46.482365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.03339","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":"2026-05-17T23:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtMhsfqL5POSfma5LgyZ3EXsRu2AshHDsCQLs9pGJ079NBVu8JJ2vSOW6LmU76J9SP4nKiNgKLZaDwguYJwRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:04:28.876323Z"},"content_sha256":"0369e7cb8b6d71f1e96b7c96f12f1a6e8fb2c87fdd347d3a54daf4bbdbbaeecc","schema_version":"1.0","event_id":"sha256:0369e7cb8b6d71f1e96b7c96f12f1a6e8fb2c87fdd347d3a54daf4bbdbbaeecc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HXQGGPFRWNRMNOSULSN6O7SW7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic properties of nanowires with ferromagnetic core and antiferromagnetic shell","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Patsopoulos, D. Kechrakos, N. Moutis","submitted_at":"2018-12-08T15:32:50Z","abstract_excerpt":"We present a Monte Carlo study of the magnetic properties of thin cylindrical nanowires composed of a ferromagnetic core and an antiferromagnetic shell implementing a classical spin Hamiltonian. We address systematically the impact of interface exchange coupling on the loop characteristics and the magnetization reversal mechanism. We study the effect of shell polycrystallinity on the characteristic fields of the isothermal hysteresis loop (coercivity, exchange-bias). We demonstrate that coupling to a polycrystalline antiferromagnetic shell increases the critical core diameter for transition fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03339","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":"2026-05-17T23:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4kuvxKTUf3mG1LUbrv8NEXzDKJ0LkMgsf+g69XrMtUVFoIh6bgfxC9Fd6VHLtG0u6I2pQA4NMhlxZS4+UxdiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:04:28.876676Z"},"content_sha256":"b9975d429c8ff9a59c9ffd9659372ea3559e2f2aaffacd5389d23bc521376102","schema_version":"1.0","event_id":"sha256:b9975d429c8ff9a59c9ffd9659372ea3559e2f2aaffacd5389d23bc521376102"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/bundle.json","state_url":"https://pith.science/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/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":"2026-06-04T06:04:28Z","links":{"resolver":"https://pith.science/pith/HXQGGPFRWNRMNOSULSN6O7SW7O","bundle":"https://pith.science/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/bundle.json","state":"https://pith.science/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXQGGPFRWNRMNOSULSN6O7SW7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HXQGGPFRWNRMNOSULSN6O7SW7O","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":"8a4b8ad04932d42c42fcb9ad8b6c5b5891571a45d8fb4e7d8319d698ba78be6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-08T15:32:50Z","title_canon_sha256":"4d93b4dbb0119a7f8ace619c309d1e047c3eb85c17e2465fa1f4f196a2b30fa0"},"schema_version":"1.0","source":{"id":"1812.03339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.03339","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1812.03339v1","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03339","created_at":"2026-05-17T23:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"HXQGGPFRWNRM","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HXQGGPFRWNRMNOSU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HXQGGPFR","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:b9975d429c8ff9a59c9ffd9659372ea3559e2f2aaffacd5389d23bc521376102","target":"graph","created_at":"2026-05-17T23:58:46Z","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 a Monte Carlo study of the magnetic properties of thin cylindrical nanowires composed of a ferromagnetic core and an antiferromagnetic shell implementing a classical spin Hamiltonian. We address systematically the impact of interface exchange coupling on the loop characteristics and the magnetization reversal mechanism. We study the effect of shell polycrystallinity on the characteristic fields of the isothermal hysteresis loop (coercivity, exchange-bias). We demonstrate that coupling to a polycrystalline antiferromagnetic shell increases the critical core diameter for transition fr","authors_text":"A. Patsopoulos, D. Kechrakos, N. Moutis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-08T15:32:50Z","title":"Magnetic properties of nanowires with ferromagnetic core and antiferromagnetic shell"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03339","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":"sha256:0369e7cb8b6d71f1e96b7c96f12f1a6e8fb2c87fdd347d3a54daf4bbdbbaeecc","target":"record","created_at":"2026-05-17T23:58:46Z","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":"8a4b8ad04932d42c42fcb9ad8b6c5b5891571a45d8fb4e7d8319d698ba78be6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-08T15:32:50Z","title_canon_sha256":"4d93b4dbb0119a7f8ace619c309d1e047c3eb85c17e2465fa1f4f196a2b30fa0"},"schema_version":"1.0","source":{"id":"1812.03339","kind":"arxiv","version":1}},"canonical_sha256":"3de0633cb1b362c6ba545c9be77e56fba453a5a6a0e7f66cdb83e37a694e1fc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3de0633cb1b362c6ba545c9be77e56fba453a5a6a0e7f66cdb83e37a694e1fc0","first_computed_at":"2026-05-17T23:58:46.482365Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:46.482365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/mhuH3kT0PWlQvTKqllqlPeLjHtuPenOHYVL7n/MwveZewy6Sdh4g9EwWjWRMTXEhisXGm/YtKsYFMFcQkQpDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:46.482802Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.03339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0369e7cb8b6d71f1e96b7c96f12f1a6e8fb2c87fdd347d3a54daf4bbdbbaeecc","sha256:b9975d429c8ff9a59c9ffd9659372ea3559e2f2aaffacd5389d23bc521376102"],"state_sha256":"fca24d133ce6ad387e8a632e9b09596671eeaa1c3f653168ecf1c9d325dec360"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8D6fjrkV8oat89I69adww5zhuZQDrFw2PeO5/3WbobYRzOyPJX9t7kCJM35CGjF+cEU3yEtbhr6mURWqUEaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:04:28.878927Z","bundle_sha256":"5f412f4708ab1575c03b4bd11c2ffeaf135b5c2bf364da3b71ec67fa5bee90e0"}}