{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:RHXBA3PXKZCRSXVAUSCQCUWWQZ","short_pith_number":"pith:RHXBA3PX","canonical_record":{"source":{"id":"2004.11593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-04-24T08:32:19Z","cross_cats_sorted":[],"title_canon_sha256":"35496cc303efb3682577d86689eef00bb97fa57f5694b0501767ff5e9b0d47d0","abstract_canon_sha256":"843855f0847a56511f87c6e5c463a376fc6af21abff334812fdc369e883a9c53"},"schema_version":"1.0"},"canonical_sha256":"89ee106df75645195ea0a4850152d68649ec84965fe5900ea27d8cf003f82b8c","source":{"kind":"arxiv","id":"2004.11593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.11593","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"arxiv_version","alias_value":"2004.11593v1","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.11593","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_12","alias_value":"RHXBA3PXKZCR","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_16","alias_value":"RHXBA3PXKZCRSXVA","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_8","alias_value":"RHXBA3PX","created_at":"2026-07-05T00:57:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:RHXBA3PXKZCRSXVAUSCQCUWWQZ","target":"record","payload":{"canonical_record":{"source":{"id":"2004.11593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-04-24T08:32:19Z","cross_cats_sorted":[],"title_canon_sha256":"35496cc303efb3682577d86689eef00bb97fa57f5694b0501767ff5e9b0d47d0","abstract_canon_sha256":"843855f0847a56511f87c6e5c463a376fc6af21abff334812fdc369e883a9c53"},"schema_version":"1.0"},"canonical_sha256":"89ee106df75645195ea0a4850152d68649ec84965fe5900ea27d8cf003f82b8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:57:55.611851Z","signature_b64":"bEVsvWN70oqXLX/P+BNwhUDlUYGt1suFbpSlkG/YL3pyfD3BSJjpOB6RTnGmgB8ZdhiPqwgIKlt/4kzesxeJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89ee106df75645195ea0a4850152d68649ec84965fe5900ea27d8cf003f82b8c","last_reissued_at":"2026-07-05T00:57:55.611509Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:57:55.611509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.11593","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":"2026-07-05T00:57:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KJcZWsH+KZ9OsqRIii+5jggGSlrX1zL0BSiTJsi4WJGbrXxiqbmWUL+4Oa4ABdxSqXRI7ztnM2lUhGbp3+KgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:01:45.247824Z"},"content_sha256":"bedd220e138293958e50e15d721f9bdbb8b0816177e12d4ad4876e799ca1b94b","schema_version":"1.0","event_id":"sha256:bedd220e138293958e50e15d721f9bdbb8b0816177e12d4ad4876e799ca1b94b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:RHXBA3PXKZCRSXVAUSCQCUWWQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation mechanisms of magnetic bubbles in an M-type hexaferrite: the role of chirality reversals at domain walls","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Kotani, H. Nakajima, K. Harada, S. Mori, Y. Ishii","submitted_at":"2020-04-24T08:32:19Z","abstract_excerpt":"We examined the formation mechanisms of magnetic bubbles in an M-type hexaferrite via Lorentz microscopy. When magnetic fields were perpendicularly applied to a thin sample of BaFe$_{12-x-0.05}$Sc$_x$Mg$_{0.05}$O$_{19}$ ($x = 1.6$), Bloch lines, which were identified as reversals of domain-wall chirality, appeared, and magnetic bubbles were formed when the magnetic stripes were pinched off at these Bloch lines. The number of Bloch lines increased with the amount of Sc in BaFe$_{12-x-0.05}$Sc$_x$Mg$_{0.05}$O$_{19}$ probably because of the reduction in magnetic anisotropy. A Lorentz microscopic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.11593","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/2004.11593/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":"2026-07-05T00:57:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yNiY6/nYrcwhWnKtUs7bT7e247LDtPLPPo0zc7RbpzCKnbNqGtmNkBE3ScmJk2VkZqW9QPQZuMeLVxzxk7GJAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:01:45.248327Z"},"content_sha256":"d00bac7217142ca2d7f6ac4045734b8c9acae39e7441504538ee32c3d48aec2a","schema_version":"1.0","event_id":"sha256:d00bac7217142ca2d7f6ac4045734b8c9acae39e7441504538ee32c3d48aec2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/bundle.json","state_url":"https://pith.science/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/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":"2026-08-12T19:01:45Z","links":{"resolver":"https://pith.science/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ","bundle":"https://pith.science/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/bundle.json","state":"https://pith.science/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RHXBA3PXKZCRSXVAUSCQCUWWQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:RHXBA3PXKZCRSXVAUSCQCUWWQZ","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":"843855f0847a56511f87c6e5c463a376fc6af21abff334812fdc369e883a9c53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-04-24T08:32:19Z","title_canon_sha256":"35496cc303efb3682577d86689eef00bb97fa57f5694b0501767ff5e9b0d47d0"},"schema_version":"1.0","source":{"id":"2004.11593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.11593","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"arxiv_version","alias_value":"2004.11593v1","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.11593","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_12","alias_value":"RHXBA3PXKZCR","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_16","alias_value":"RHXBA3PXKZCRSXVA","created_at":"2026-07-05T00:57:55Z"},{"alias_kind":"pith_short_8","alias_value":"RHXBA3PX","created_at":"2026-07-05T00:57:55Z"}],"graph_snapshots":[{"event_id":"sha256:d00bac7217142ca2d7f6ac4045734b8c9acae39e7441504538ee32c3d48aec2a","target":"graph","created_at":"2026-07-05T00:57:55Z","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/2004.11593/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We examined the formation mechanisms of magnetic bubbles in an M-type hexaferrite via Lorentz microscopy. When magnetic fields were perpendicularly applied to a thin sample of BaFe$_{12-x-0.05}$Sc$_x$Mg$_{0.05}$O$_{19}$ ($x = 1.6$), Bloch lines, which were identified as reversals of domain-wall chirality, appeared, and magnetic bubbles were formed when the magnetic stripes were pinched off at these Bloch lines. The number of Bloch lines increased with the amount of Sc in BaFe$_{12-x-0.05}$Sc$_x$Mg$_{0.05}$O$_{19}$ probably because of the reduction in magnetic anisotropy. A Lorentz microscopic ","authors_text":"A. Kotani, H. Nakajima, K. Harada, S. Mori, Y. Ishii","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-04-24T08:32:19Z","title":"Formation mechanisms of magnetic bubbles in an M-type hexaferrite: the role of chirality reversals at domain walls"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.11593","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:bedd220e138293958e50e15d721f9bdbb8b0816177e12d4ad4876e799ca1b94b","target":"record","created_at":"2026-07-05T00:57:55Z","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":"843855f0847a56511f87c6e5c463a376fc6af21abff334812fdc369e883a9c53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-04-24T08:32:19Z","title_canon_sha256":"35496cc303efb3682577d86689eef00bb97fa57f5694b0501767ff5e9b0d47d0"},"schema_version":"1.0","source":{"id":"2004.11593","kind":"arxiv","version":1}},"canonical_sha256":"89ee106df75645195ea0a4850152d68649ec84965fe5900ea27d8cf003f82b8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89ee106df75645195ea0a4850152d68649ec84965fe5900ea27d8cf003f82b8c","first_computed_at":"2026-07-05T00:57:55.611509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:57:55.611509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bEVsvWN70oqXLX/P+BNwhUDlUYGt1suFbpSlkG/YL3pyfD3BSJjpOB6RTnGmgB8ZdhiPqwgIKlt/4kzesxeJAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:57:55.611851Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.11593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bedd220e138293958e50e15d721f9bdbb8b0816177e12d4ad4876e799ca1b94b","sha256:d00bac7217142ca2d7f6ac4045734b8c9acae39e7441504538ee32c3d48aec2a"],"state_sha256":"598ebd970c646d18eb0e7db2482c6adae4ac73965330f8bf3643dfa02589799f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W++A/WQX8+2YXr/37/mq+9hjwn9qIP8Vc3oNl6+MxLuX8wG8sJhCrwTBxuX5Ug/C67lTSpUXeTcQWn9UJRu5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T19:01:45.253343Z","bundle_sha256":"490e97065a32c67e2d271bf000f0ffb964ccf5f8b82d7d3af29c5f90af015c62"}}