{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BLXO5KDOM7JN44GMSZZDI6VPQH","short_pith_number":"pith:BLXO5KDO","canonical_record":{"source":{"id":"2009.13440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-09-28T16:07:07Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"f58f4a00ef1d0f2ae04fc1c81468b132fbbce9b365b56f016781bda9ac66bbee","abstract_canon_sha256":"89c16cc7a31efbfc2f6427b8e0fae0dc77d1c39032b4ff8a3dab8a3369c7f8cf"},"schema_version":"1.0"},"canonical_sha256":"0aeeeea86e67d2de70cc9672347aaf81ddb934b11f6d9e805bd91161a751d236","source":{"kind":"arxiv","id":"2009.13440","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.13440","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"arxiv_version","alias_value":"2009.13440v1","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.13440","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_12","alias_value":"BLXO5KDOM7JN","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_16","alias_value":"BLXO5KDOM7JN44GM","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_8","alias_value":"BLXO5KDO","created_at":"2026-07-05T02:28:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BLXO5KDOM7JN44GMSZZDI6VPQH","target":"record","payload":{"canonical_record":{"source":{"id":"2009.13440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-09-28T16:07:07Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"f58f4a00ef1d0f2ae04fc1c81468b132fbbce9b365b56f016781bda9ac66bbee","abstract_canon_sha256":"89c16cc7a31efbfc2f6427b8e0fae0dc77d1c39032b4ff8a3dab8a3369c7f8cf"},"schema_version":"1.0"},"canonical_sha256":"0aeeeea86e67d2de70cc9672347aaf81ddb934b11f6d9e805bd91161a751d236","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:28:18.112532Z","signature_b64":"XoPwZCYO1mkTgvCA6dxDie8ZA5RtM9Ya3SyZvAXwKKZk3nk9YWkh0AZWP0weXc+sEihfT57mqTKLa+yhj2SmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0aeeeea86e67d2de70cc9672347aaf81ddb934b11f6d9e805bd91161a751d236","last_reissued_at":"2026-07-05T02:28:18.112045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:28:18.112045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.13440","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":"2026-07-05T02:28:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dyIcV9cizMAGd5d8SacwMo5LAXNSRZcU5+K71rfvkD3RZSGLihfhBrheSLs84V+bqK8kjrC+Rb5TpMTEvuupCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T14:12:27.715823Z"},"content_sha256":"b002481c5a1c36e398591f3bce7302d52d4a2692cafb5d9767a3d60159227079","schema_version":"1.0","event_id":"sha256:b002481c5a1c36e398591f3bce7302d52d4a2692cafb5d9767a3d60159227079"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BLXO5KDOM7JN44GMSZZDI6VPQH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic domains and domain wall pinning in two-dimensional ferromagnets revealed by nanoscale imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas Brunner, Eric Anderson, Joachim Gr\\\"afe, Johaness F\\\"orster, J\\\"org Wrachtrup, Kenji Watanabe, Qi-Chao Sun, Rainer St\\\"ohr, Takashi Taniguchi, Tetyana Shalomayeva, Tiancheng Song, Xiaodong Xu","submitted_at":"2020-09-28T16:07:07Z","abstract_excerpt":"Magnetic-domain structure and dynamics play an important role in understanding and controlling the magnetic properties of two-dimensional magnets, which are of interest to both fundamental studies and applications[1-5]. However, the probe methods based on the spin-dependent optical permeability[1,2,6] and electrical conductivity[7-10] can neither provide quantitative information of the magnetization nor achieve nanoscale spatial resolution. These capabilities are essential to image and understand the rich properties of magnetic domains. Here, we employ cryogenic scanning magnetometry using a s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.13440","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/2009.13440/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":"2026-07-05T02:28:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wpkXaUgT+z0weba0YgkcDUZSDwowgggoj6IreWsPZ5WE4mQYmPO/HHAdKQeD24Rcv/Nl9E2kWDI1aiGFp/VpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T14:12:27.716211Z"},"content_sha256":"aa3d532b98cc962ea6263590f4288dc7421640e9f73f9231a35d4d4461383e27","schema_version":"1.0","event_id":"sha256:aa3d532b98cc962ea6263590f4288dc7421640e9f73f9231a35d4d4461383e27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/bundle.json","state_url":"https://pith.science/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/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":"2026-07-11T14:12:27Z","links":{"resolver":"https://pith.science/pith/BLXO5KDOM7JN44GMSZZDI6VPQH","bundle":"https://pith.science/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/bundle.json","state":"https://pith.science/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BLXO5KDOM7JN44GMSZZDI6VPQH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BLXO5KDOM7JN44GMSZZDI6VPQH","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":"89c16cc7a31efbfc2f6427b8e0fae0dc77d1c39032b4ff8a3dab8a3369c7f8cf","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-09-28T16:07:07Z","title_canon_sha256":"f58f4a00ef1d0f2ae04fc1c81468b132fbbce9b365b56f016781bda9ac66bbee"},"schema_version":"1.0","source":{"id":"2009.13440","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.13440","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"arxiv_version","alias_value":"2009.13440v1","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.13440","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_12","alias_value":"BLXO5KDOM7JN","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_16","alias_value":"BLXO5KDOM7JN44GM","created_at":"2026-07-05T02:28:18Z"},{"alias_kind":"pith_short_8","alias_value":"BLXO5KDO","created_at":"2026-07-05T02:28:18Z"}],"graph_snapshots":[{"event_id":"sha256:aa3d532b98cc962ea6263590f4288dc7421640e9f73f9231a35d4d4461383e27","target":"graph","created_at":"2026-07-05T02:28:18Z","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/2009.13440/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetic-domain structure and dynamics play an important role in understanding and controlling the magnetic properties of two-dimensional magnets, which are of interest to both fundamental studies and applications[1-5]. However, the probe methods based on the spin-dependent optical permeability[1,2,6] and electrical conductivity[7-10] can neither provide quantitative information of the magnetization nor achieve nanoscale spatial resolution. These capabilities are essential to image and understand the rich properties of magnetic domains. Here, we employ cryogenic scanning magnetometry using a s","authors_text":"Andreas Brunner, Eric Anderson, Joachim Gr\\\"afe, Johaness F\\\"orster, J\\\"org Wrachtrup, Kenji Watanabe, Qi-Chao Sun, Rainer St\\\"ohr, Takashi Taniguchi, Tetyana Shalomayeva, Tiancheng Song, Xiaodong Xu","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-09-28T16:07:07Z","title":"Magnetic domains and domain wall pinning in two-dimensional ferromagnets revealed by nanoscale imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.13440","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:b002481c5a1c36e398591f3bce7302d52d4a2692cafb5d9767a3d60159227079","target":"record","created_at":"2026-07-05T02:28:18Z","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":"89c16cc7a31efbfc2f6427b8e0fae0dc77d1c39032b4ff8a3dab8a3369c7f8cf","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-09-28T16:07:07Z","title_canon_sha256":"f58f4a00ef1d0f2ae04fc1c81468b132fbbce9b365b56f016781bda9ac66bbee"},"schema_version":"1.0","source":{"id":"2009.13440","kind":"arxiv","version":1}},"canonical_sha256":"0aeeeea86e67d2de70cc9672347aaf81ddb934b11f6d9e805bd91161a751d236","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0aeeeea86e67d2de70cc9672347aaf81ddb934b11f6d9e805bd91161a751d236","first_computed_at":"2026-07-05T02:28:18.112045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:28:18.112045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XoPwZCYO1mkTgvCA6dxDie8ZA5RtM9Ya3SyZvAXwKKZk3nk9YWkh0AZWP0weXc+sEihfT57mqTKLa+yhj2SmCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:28:18.112532Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.13440","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b002481c5a1c36e398591f3bce7302d52d4a2692cafb5d9767a3d60159227079","sha256:aa3d532b98cc962ea6263590f4288dc7421640e9f73f9231a35d4d4461383e27"],"state_sha256":"8f488dfa887ec8b05f23369e428f9d0bf9f5abb1ef33f1e90a3b78174cef1028"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GicDqKjWclIHnNxsXWgygxfQK/UlrsqYVxwsb07uxurZgTTTi4p6obRRDmwdAdWP/E6GbdM4FfGW6+j70fIBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T14:12:27.718437Z","bundle_sha256":"9250b68ed8d50add42923360edc45f250eb0405f8620ab705f70d88c1efd4c6a"}}