{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:EZG274GLASVPHYGLTJQ46JWMPI","short_pith_number":"pith:EZG274GL","canonical_record":{"source":{"id":"2012.10924","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-20T13:39:52Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4de53a722c0511e9c127cb0b50f8bf0284fa7983441cfe98ef0b301897ff2493","abstract_canon_sha256":"1fac5dd534d869b6512309185c25c4b4cd2f4e22e005b00786ec053e0d9a479d"},"schema_version":"1.0"},"canonical_sha256":"264daff0cb04aaf3e0cb9a61cf26cc7a2b0065edf52c201dd5742c9db77b2e1a","source":{"kind":"arxiv","id":"2012.10924","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.10924","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"arxiv_version","alias_value":"2012.10924v1","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.10924","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_12","alias_value":"EZG274GLASVP","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_16","alias_value":"EZG274GLASVPHYGL","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_8","alias_value":"EZG274GL","created_at":"2026-07-05T02:12:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:EZG274GLASVPHYGLTJQ46JWMPI","target":"record","payload":{"canonical_record":{"source":{"id":"2012.10924","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-20T13:39:52Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4de53a722c0511e9c127cb0b50f8bf0284fa7983441cfe98ef0b301897ff2493","abstract_canon_sha256":"1fac5dd534d869b6512309185c25c4b4cd2f4e22e005b00786ec053e0d9a479d"},"schema_version":"1.0"},"canonical_sha256":"264daff0cb04aaf3e0cb9a61cf26cc7a2b0065edf52c201dd5742c9db77b2e1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:12:14.592306Z","signature_b64":"NDUlxrJM1208WJ0F8sY40dM3TZa2xZho9XdF16+56xo3mufRdu2CWs2dUIIPZwxtu4armH/m+ZBu/Blp2ApHBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"264daff0cb04aaf3e0cb9a61cf26cc7a2b0065edf52c201dd5742c9db77b2e1a","last_reissued_at":"2026-07-05T02:12:14.591874Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:12:14.591874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.10924","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":"2026-07-05T02:12:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NpejO09RoOb7FDxRwLENcwg/vMSQ9VjfWGjm+J64jr+SRKoGgkJT1sc1EGeS03oQLRCZhSdUnxHCpmEuwC8HAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:10:37.523004Z"},"content_sha256":"e197602767f6ddd1f3495daa721bd8a8aa4c31172d2114267074ae180ff17f9d","schema_version":"1.0","event_id":"sha256:e197602767f6ddd1f3495daa721bd8a8aa4c31172d2114267074ae180ff17f9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:EZG274GLASVPHYGLTJQ46JWMPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David M. Burn, Gerrit van der Laan, Guoqiang Yu, Haifeng Du, Kejing Ran, Shilei Zhang, Thorsten Hesjedal, Yao Guang, Yizhou Liu","submitted_at":"2020-12-20T13:39:52Z","abstract_excerpt":"A chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic skyrmions in chiral magnets, lending themselves to new types of skyrmion-complementary bits of information. However, the on-demand creation of bobbers, as well as their direct observation remained elusive. Here, we introduce a new mechanism for creating a stable chiral bobber lattice state via the proximity of two skyrmion species with comparable size. This effect is experimentally demonstrated in a Cu$_2$OSeO$_3$/[Ta/CoFeB/MgO]$_4$ heterostructure in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10924","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.10924/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:12:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jerVW20rV95m04bjp9+7cFjJot+Ff/3/gHC2olBNxL5iPiGw3HdPVufRd0/UsawhmbcYtdrGQQoiO0pZbuywBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:10:37.523382Z"},"content_sha256":"1846cc8a972f859a560ea62391b19a9529fc34f540576297301d9a726707e336","schema_version":"1.0","event_id":"sha256:1846cc8a972f859a560ea62391b19a9529fc34f540576297301d9a726707e336"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZG274GLASVPHYGLTJQ46JWMPI/bundle.json","state_url":"https://pith.science/pith/EZG274GLASVPHYGLTJQ46JWMPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZG274GLASVPHYGLTJQ46JWMPI/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":"2026-07-06T21:10:37Z","links":{"resolver":"https://pith.science/pith/EZG274GLASVPHYGLTJQ46JWMPI","bundle":"https://pith.science/pith/EZG274GLASVPHYGLTJQ46JWMPI/bundle.json","state":"https://pith.science/pith/EZG274GLASVPHYGLTJQ46JWMPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZG274GLASVPHYGLTJQ46JWMPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:EZG274GLASVPHYGLTJQ46JWMPI","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":"1fac5dd534d869b6512309185c25c4b4cd2f4e22e005b00786ec053e0d9a479d","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-20T13:39:52Z","title_canon_sha256":"4de53a722c0511e9c127cb0b50f8bf0284fa7983441cfe98ef0b301897ff2493"},"schema_version":"1.0","source":{"id":"2012.10924","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.10924","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"arxiv_version","alias_value":"2012.10924v1","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.10924","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_12","alias_value":"EZG274GLASVP","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_16","alias_value":"EZG274GLASVPHYGL","created_at":"2026-07-05T02:12:14Z"},{"alias_kind":"pith_short_8","alias_value":"EZG274GL","created_at":"2026-07-05T02:12:14Z"}],"graph_snapshots":[{"event_id":"sha256:1846cc8a972f859a560ea62391b19a9529fc34f540576297301d9a726707e336","target":"graph","created_at":"2026-07-05T02:12:14Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.10924/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic skyrmions in chiral magnets, lending themselves to new types of skyrmion-complementary bits of information. However, the on-demand creation of bobbers, as well as their direct observation remained elusive. Here, we introduce a new mechanism for creating a stable chiral bobber lattice state via the proximity of two skyrmion species with comparable size. This effect is experimentally demonstrated in a Cu$_2$OSeO$_3$/[Ta/CoFeB/MgO]$_4$ heterostructure in ","authors_text":"David M. Burn, Gerrit van der Laan, Guoqiang Yu, Haifeng Du, Kejing Ran, Shilei Zhang, Thorsten Hesjedal, Yao Guang, Yizhou Liu","cross_cats":["cond-mat.other"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-20T13:39:52Z","title":"Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10924","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:e197602767f6ddd1f3495daa721bd8a8aa4c31172d2114267074ae180ff17f9d","target":"record","created_at":"2026-07-05T02:12:14Z","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":"1fac5dd534d869b6512309185c25c4b4cd2f4e22e005b00786ec053e0d9a479d","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-20T13:39:52Z","title_canon_sha256":"4de53a722c0511e9c127cb0b50f8bf0284fa7983441cfe98ef0b301897ff2493"},"schema_version":"1.0","source":{"id":"2012.10924","kind":"arxiv","version":1}},"canonical_sha256":"264daff0cb04aaf3e0cb9a61cf26cc7a2b0065edf52c201dd5742c9db77b2e1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"264daff0cb04aaf3e0cb9a61cf26cc7a2b0065edf52c201dd5742c9db77b2e1a","first_computed_at":"2026-07-05T02:12:14.591874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:12:14.591874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NDUlxrJM1208WJ0F8sY40dM3TZa2xZho9XdF16+56xo3mufRdu2CWs2dUIIPZwxtu4armH/m+ZBu/Blp2ApHBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:12:14.592306Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.10924","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e197602767f6ddd1f3495daa721bd8a8aa4c31172d2114267074ae180ff17f9d","sha256:1846cc8a972f859a560ea62391b19a9529fc34f540576297301d9a726707e336"],"state_sha256":"62050326b4e88489221b84e46857f188beb2c10a96795c559e13ffa1fa04723d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CZh9uO/Be0UqNod85pPeR7NLa3YHHQ+Bmouz2kNaE/sjr8oDPAzKLXk1jUFVed1k508bWVmJSvir3I/oTuuRBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T21:10:37.525344Z","bundle_sha256":"360c373b845154009156f922a1bd8bd69c9cc88253d28d95a603c51d17375319"}}