{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IQHKL2REOW5WKMJ4V5QDQVEC5E","short_pith_number":"pith:IQHKL2RE","canonical_record":{"source":{"id":"1808.09466","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-28T18:03:12Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0dc9a2faa2ee2e017856c19de6a84b20cc23ef47761f0ae898e6cb0f292cd80e","abstract_canon_sha256":"6fca31a4d5d23751d28347dd34c9bcad1c7f7746c12c6abee2436f66b6c3b447"},"schema_version":"1.0"},"canonical_sha256":"440ea5ea2475bb65313caf60385482e93338b4d25e78628c5cd2c5adea9dc70e","source":{"kind":"arxiv","id":"1808.09466","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09466","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09466v2","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09466","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"pith_short_12","alias_value":"IQHKL2REOW5W","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IQHKL2REOW5WKMJ4","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IQHKL2RE","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IQHKL2REOW5WKMJ4V5QDQVEC5E","target":"record","payload":{"canonical_record":{"source":{"id":"1808.09466","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-28T18:03:12Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0dc9a2faa2ee2e017856c19de6a84b20cc23ef47761f0ae898e6cb0f292cd80e","abstract_canon_sha256":"6fca31a4d5d23751d28347dd34c9bcad1c7f7746c12c6abee2436f66b6c3b447"},"schema_version":"1.0"},"canonical_sha256":"440ea5ea2475bb65313caf60385482e93338b4d25e78628c5cd2c5adea9dc70e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:30.465604Z","signature_b64":"b++MUeZSxgiR1Y2qrHOIz9LzICAynz1FTyUm+tGVfu2nyaJGGrpybaJLHAVz+HIQPCEWnb6Mat5joeLWS4FLDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"440ea5ea2475bb65313caf60385482e93338b4d25e78628c5cd2c5adea9dc70e","last_reissued_at":"2026-05-17T23:47:30.465198Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:30.465198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.09466","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b3abVbWCvtAUZ3hFNsjJWunEnsQVtPkIvr0mENZND1/INHaQCPjToJcCqxdOhsnHEqapfOg+/gG5FDKIIMNzBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:46:38.417157Z"},"content_sha256":"9995f849e5763fc23b42f31f401893dee4c5d199719642f6ba1ed14bba9581ac","schema_version":"1.0","event_id":"sha256:9995f849e5763fc23b42f31f401893dee4c5d199719642f6ba1ed14bba9581ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IQHKL2REOW5WKMJ4V5QDQVEC5E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tuning magnetic charge population and mobility in unidirectional array of nanomagnets as a function of lattice parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"C. I. L. Araujo, J. Borme, P.P. Freitas, R. P. Loreto, R. S. Gon\\c{c}alves","submitted_at":"2018-08-28T18:03:12Z","abstract_excerpt":"Sets of nanomagnets are often utilized to mimic cellular automata in design of nanomagnetic logic devices or frustration and emergence of magnetic charges in artificial spin ice systems. in previous work we showed that unidirectional arrangement of nanomagnets can behave as artificial spin ice, with frustration arising from second neighbor dipolar interaction, and present good magnetic charge mobility due to the low string tension among charges. Here, we present an experimental investigation of magnetic charge population and mobility in function of lateral and longitudinal distance among nanom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09466","kind":"arxiv","version":2},"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":"2026-05-17T23:47:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+We7r9pPOnr2KWqLoRh/53TBBn0fs6Z9DBCn6IkHZxssi8t9Pk27nyusaus1NUWfMyPgNEAxY293qM8qUoKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:46:38.417600Z"},"content_sha256":"b35f3d88847065ffe05636a91dd105234c73fc7dcc7c728e1079fb816eee64ad","schema_version":"1.0","event_id":"sha256:b35f3d88847065ffe05636a91dd105234c73fc7dcc7c728e1079fb816eee64ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/bundle.json","state_url":"https://pith.science/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/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":"2026-05-30T12:46:38Z","links":{"resolver":"https://pith.science/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E","bundle":"https://pith.science/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/bundle.json","state":"https://pith.science/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQHKL2REOW5WKMJ4V5QDQVEC5E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IQHKL2REOW5WKMJ4V5QDQVEC5E","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":"6fca31a4d5d23751d28347dd34c9bcad1c7f7746c12c6abee2436f66b6c3b447","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-28T18:03:12Z","title_canon_sha256":"0dc9a2faa2ee2e017856c19de6a84b20cc23ef47761f0ae898e6cb0f292cd80e"},"schema_version":"1.0","source":{"id":"1808.09466","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09466","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09466v2","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09466","created_at":"2026-05-17T23:47:30Z"},{"alias_kind":"pith_short_12","alias_value":"IQHKL2REOW5W","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IQHKL2REOW5WKMJ4","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IQHKL2RE","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:b35f3d88847065ffe05636a91dd105234c73fc7dcc7c728e1079fb816eee64ad","target":"graph","created_at":"2026-05-17T23:47:30Z","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":"Sets of nanomagnets are often utilized to mimic cellular automata in design of nanomagnetic logic devices or frustration and emergence of magnetic charges in artificial spin ice systems. in previous work we showed that unidirectional arrangement of nanomagnets can behave as artificial spin ice, with frustration arising from second neighbor dipolar interaction, and present good magnetic charge mobility due to the low string tension among charges. Here, we present an experimental investigation of magnetic charge population and mobility in function of lateral and longitudinal distance among nanom","authors_text":"C. I. L. Araujo, J. Borme, P.P. Freitas, R. P. Loreto, R. S. Gon\\c{c}alves","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-28T18:03:12Z","title":"Tuning magnetic charge population and mobility in unidirectional array of nanomagnets as a function of lattice parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09466","kind":"arxiv","version":2},"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":"sha256:9995f849e5763fc23b42f31f401893dee4c5d199719642f6ba1ed14bba9581ac","target":"record","created_at":"2026-05-17T23:47:30Z","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":"6fca31a4d5d23751d28347dd34c9bcad1c7f7746c12c6abee2436f66b6c3b447","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-28T18:03:12Z","title_canon_sha256":"0dc9a2faa2ee2e017856c19de6a84b20cc23ef47761f0ae898e6cb0f292cd80e"},"schema_version":"1.0","source":{"id":"1808.09466","kind":"arxiv","version":2}},"canonical_sha256":"440ea5ea2475bb65313caf60385482e93338b4d25e78628c5cd2c5adea9dc70e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"440ea5ea2475bb65313caf60385482e93338b4d25e78628c5cd2c5adea9dc70e","first_computed_at":"2026-05-17T23:47:30.465198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:30.465198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b++MUeZSxgiR1Y2qrHOIz9LzICAynz1FTyUm+tGVfu2nyaJGGrpybaJLHAVz+HIQPCEWnb6Mat5joeLWS4FLDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:30.465604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.09466","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9995f849e5763fc23b42f31f401893dee4c5d199719642f6ba1ed14bba9581ac","sha256:b35f3d88847065ffe05636a91dd105234c73fc7dcc7c728e1079fb816eee64ad"],"state_sha256":"7dbf6eec209bce869ca07246a6ac7ea807f8d68c24ca0d6e8ba76400b52cff73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v9Vg+e39Aoep3pVH56AnEvEdBe3763qAM6uw0bBA7dJU3qkDI/zPBm6FoiUrxWBNSUrefRTxzjvj5FmCPFWsBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:46:38.420307Z","bundle_sha256":"4dfacfd2be2bf1d71e1444f04f006925d5181017466cf9da6b8f36525c88d61a"}}