{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TCD2R22IMCO56KKHSMYQFZNSL2","short_pith_number":"pith:TCD2R22I","canonical_record":{"source":{"id":"1901.11508","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-31T18:16:46Z","cross_cats_sorted":[],"title_canon_sha256":"b3554ad4c1245b20d3db660d4470d829d16f372290fd5d09e23af6f2c047648a","abstract_canon_sha256":"deb96378eb655eb4e891d3a99d2232549d089f6a81e4c80f30d924896589cf28"},"schema_version":"1.0"},"canonical_sha256":"9887a8eb48609ddf2947933102e5b25e87dcc50e1e42b04f400fa91ad3e3f179","source":{"kind":"arxiv","id":"1901.11508","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.11508","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"arxiv_version","alias_value":"1901.11508v3","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11508","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"pith_short_12","alias_value":"TCD2R22IMCO5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TCD2R22IMCO56KKH","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TCD2R22I","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TCD2R22IMCO56KKHSMYQFZNSL2","target":"record","payload":{"canonical_record":{"source":{"id":"1901.11508","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-31T18:16:46Z","cross_cats_sorted":[],"title_canon_sha256":"b3554ad4c1245b20d3db660d4470d829d16f372290fd5d09e23af6f2c047648a","abstract_canon_sha256":"deb96378eb655eb4e891d3a99d2232549d089f6a81e4c80f30d924896589cf28"},"schema_version":"1.0"},"canonical_sha256":"9887a8eb48609ddf2947933102e5b25e87dcc50e1e42b04f400fa91ad3e3f179","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:57.519805Z","signature_b64":"JGRbGoH23OZTlN42qGX/jFT69Z2Rz1kp/E9LWuyldzDOzz0ISpOJlF67xU9vV7YtPG9LAhCmN0i6qIku14/JDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9887a8eb48609ddf2947933102e5b25e87dcc50e1e42b04f400fa91ad3e3f179","last_reissued_at":"2026-05-17T23:44:57.519219Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:57.519219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.11508","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:44:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ZU9MLQMefrCIajLbtM81YocizT4atWVHPpek1o9P3C+SnbuNM2IgrdZ9zOxCisXzdlk4sGLUcITsV7ZPqVxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:58:35.475569Z"},"content_sha256":"4b11576fac8a3e183a3d106f6cd589cd4014af4e2ba22584128a5d61f5beeb3d","schema_version":"1.0","event_id":"sha256:4b11576fac8a3e183a3d106f6cd589cd4014af4e2ba22584128a5d61f5beeb3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TCD2R22IMCO56KKHSMYQFZNSL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring the Formation Energy Barrier of Skyrmions in Zinc Substituted Cu$_2$OSeO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. \\v{S}tefan\\v{c}i\\v{c}, C. Barker, G. Balakrishnan, J. S. White, M. Crisanti, M. N. Wilson, M. T. Birch, P. D. Hatton, R. Cubitt","submitted_at":"2019-01-31T18:16:46Z","abstract_excerpt":"We report small angle neutron scattering (SANS) measurements of the skyrmion lattice in (Cu$_{0.976}$Zn$_{0.024}$)$_2$OSeO$_3$ under the application of an electric field. These measurements show an expansion of the skyrmion lattice stability region with electric field similar to that seen in pristine Cu$_2$OSeO$_3$. Furthermore, using time-resolved SANS, we observe the slow formation of skyrmions after an electric or magnetic field is applied, which has not been observed in pristine Cu$_2$OSeO$_3$ crystals. The measured formation times are dramatically longer than the corresponding skyrmion de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11508","kind":"arxiv","version":3},"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":"2026-05-17T23:44:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4EYUUAheC7wpgV+h7+DNIjprNoIue46zZ4dv1iq+F3I9iNbPXXVw4cL42XVrvhYvjOSZ4lxUUc/eEE/xFBcyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:58:35.475911Z"},"content_sha256":"ac873b89f17cf24730ffc15a30e6cf627b899ee76ccf67286f575f15c4b26f88","schema_version":"1.0","event_id":"sha256:ac873b89f17cf24730ffc15a30e6cf627b899ee76ccf67286f575f15c4b26f88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TCD2R22IMCO56KKHSMYQFZNSL2/bundle.json","state_url":"https://pith.science/pith/TCD2R22IMCO56KKHSMYQFZNSL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TCD2R22IMCO56KKHSMYQFZNSL2/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":"2026-05-28T01:58:35Z","links":{"resolver":"https://pith.science/pith/TCD2R22IMCO56KKHSMYQFZNSL2","bundle":"https://pith.science/pith/TCD2R22IMCO56KKHSMYQFZNSL2/bundle.json","state":"https://pith.science/pith/TCD2R22IMCO56KKHSMYQFZNSL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TCD2R22IMCO56KKHSMYQFZNSL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TCD2R22IMCO56KKHSMYQFZNSL2","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":"deb96378eb655eb4e891d3a99d2232549d089f6a81e4c80f30d924896589cf28","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-31T18:16:46Z","title_canon_sha256":"b3554ad4c1245b20d3db660d4470d829d16f372290fd5d09e23af6f2c047648a"},"schema_version":"1.0","source":{"id":"1901.11508","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.11508","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"arxiv_version","alias_value":"1901.11508v3","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11508","created_at":"2026-05-17T23:44:57Z"},{"alias_kind":"pith_short_12","alias_value":"TCD2R22IMCO5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TCD2R22IMCO56KKH","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TCD2R22I","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:ac873b89f17cf24730ffc15a30e6cf627b899ee76ccf67286f575f15c4b26f88","target":"graph","created_at":"2026-05-17T23:44:57Z","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 report small angle neutron scattering (SANS) measurements of the skyrmion lattice in (Cu$_{0.976}$Zn$_{0.024}$)$_2$OSeO$_3$ under the application of an electric field. These measurements show an expansion of the skyrmion lattice stability region with electric field similar to that seen in pristine Cu$_2$OSeO$_3$. Furthermore, using time-resolved SANS, we observe the slow formation of skyrmions after an electric or magnetic field is applied, which has not been observed in pristine Cu$_2$OSeO$_3$ crystals. The measured formation times are dramatically longer than the corresponding skyrmion de","authors_text":"A. \\v{S}tefan\\v{c}i\\v{c}, C. Barker, G. Balakrishnan, J. S. White, M. Crisanti, M. N. Wilson, M. T. Birch, P. D. Hatton, R. Cubitt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-31T18:16:46Z","title":"Measuring the Formation Energy Barrier of Skyrmions in Zinc Substituted Cu$_2$OSeO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11508","kind":"arxiv","version":3},"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":"sha256:4b11576fac8a3e183a3d106f6cd589cd4014af4e2ba22584128a5d61f5beeb3d","target":"record","created_at":"2026-05-17T23:44:57Z","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":"deb96378eb655eb4e891d3a99d2232549d089f6a81e4c80f30d924896589cf28","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-31T18:16:46Z","title_canon_sha256":"b3554ad4c1245b20d3db660d4470d829d16f372290fd5d09e23af6f2c047648a"},"schema_version":"1.0","source":{"id":"1901.11508","kind":"arxiv","version":3}},"canonical_sha256":"9887a8eb48609ddf2947933102e5b25e87dcc50e1e42b04f400fa91ad3e3f179","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9887a8eb48609ddf2947933102e5b25e87dcc50e1e42b04f400fa91ad3e3f179","first_computed_at":"2026-05-17T23:44:57.519219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:57.519219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JGRbGoH23OZTlN42qGX/jFT69Z2Rz1kp/E9LWuyldzDOzz0ISpOJlF67xU9vV7YtPG9LAhCmN0i6qIku14/JDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:57.519805Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.11508","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b11576fac8a3e183a3d106f6cd589cd4014af4e2ba22584128a5d61f5beeb3d","sha256:ac873b89f17cf24730ffc15a30e6cf627b899ee76ccf67286f575f15c4b26f88"],"state_sha256":"b6a0780c451cac40f489f133833d4290861da624e6c2c1d921349f334ff2c4cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qI/xgriYFoG5++qbVvclOAu07clR4IcU1zTYwPlIRqSp2BQBKL7JL8Ek8BPYTxjX36n3jTXxPAAWNskXkTMvDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:58:35.477804Z","bundle_sha256":"66a3ba644b359a7719797f41cfb762e2be49c32febf24e65e264999d83593b66"}}