{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VQCNWATDKE7ODSE3P7RSNGC45X","short_pith_number":"pith:VQCNWATD","canonical_record":{"source":{"id":"1302.7307","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-28T20:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"03f9ac5917004b855ed518a283a064f018284ca0af5c1a7c18039520c6fd3c1d","abstract_canon_sha256":"340ea64790dab614716f0d3b72e6a3ec9e8fd8f866c15b8a2373d0a32c9ec598"},"schema_version":"1.0"},"canonical_sha256":"ac04db0263513ee1c89b7fe326985cedfa983bd2ce09b01fc6b1e1156e028f2c","source":{"kind":"arxiv","id":"1302.7307","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7307","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7307v2","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7307","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"VQCNWATDKE7O","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VQCNWATDKE7ODSE3","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VQCNWATD","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VQCNWATDKE7ODSE3P7RSNGC45X","target":"record","payload":{"canonical_record":{"source":{"id":"1302.7307","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-28T20:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"03f9ac5917004b855ed518a283a064f018284ca0af5c1a7c18039520c6fd3c1d","abstract_canon_sha256":"340ea64790dab614716f0d3b72e6a3ec9e8fd8f866c15b8a2373d0a32c9ec598"},"schema_version":"1.0"},"canonical_sha256":"ac04db0263513ee1c89b7fe326985cedfa983bd2ce09b01fc6b1e1156e028f2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:25.802170Z","signature_b64":"Pw1bfRWrmevDakoJetozAO8XbzSzsvNyB4E8xzIoFCGMd5hQcPVNhnikGiJbzzTYfX2IKrkz/o95qYbHOf0AAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac04db0263513ee1c89b7fe326985cedfa983bd2ce09b01fc6b1e1156e028f2c","last_reissued_at":"2026-05-18T01:51:25.801464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:25.801464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.7307","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":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ABCdkRNdXmMF8HVRYTu46q3IC03CCHDJi+aej9zZEPQsYuWsldi6Yw7vK/rOzlFWHfoizT0u3hayx3XVMWyoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:59:10.322354Z"},"content_sha256":"3eddd287060c7a62200b286661696041beb2db844696b00dd86d0ac4ad34668c","schema_version":"1.0","event_id":"sha256:3eddd287060c7a62200b286661696041beb2db844696b00dd86d0ac4ad34668c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VQCNWATDKE7ODSE3P7RSNGC45X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stray-field imaging of magnetic vortices with a single diamond spin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Thiaville, J.-F. Roch, J. P. Tetienne, L. Rondin, P. Spinicelli, S. Rohart, T. Hingant, V. Jacques","submitted_at":"2013-02-28T20:39:29Z","abstract_excerpt":"Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Recently, a new technique has emerged that employs a single nitrogen-vacancy (NV) defect in diamond as an atomic-size magnetometer. Although NV magnetometry promises significant advances in magnetic imaging, the effectiveness of the technique, when applied to realistic magnetic nanostructures, remains to be demonstrated. Here we use a scanning NV magnetometer to image a magnetic vortex, which is one of the most iconic object of na"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7307","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":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"84yAC69SiRlaIn5iCndLg43P8YfBsODHa36ndsbG5MS9hIJEdoXOut0z+0cxnZNBeGMXlOHiuaDTUG6jn6n7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:59:10.322751Z"},"content_sha256":"153f17aac739440d5a65905693d2ee1dd9e1ad28963374950fc870b50b39edaf","schema_version":"1.0","event_id":"sha256:153f17aac739440d5a65905693d2ee1dd9e1ad28963374950fc870b50b39edaf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQCNWATDKE7ODSE3P7RSNGC45X/bundle.json","state_url":"https://pith.science/pith/VQCNWATDKE7ODSE3P7RSNGC45X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQCNWATDKE7ODSE3P7RSNGC45X/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":"2026-05-30T06:59:10Z","links":{"resolver":"https://pith.science/pith/VQCNWATDKE7ODSE3P7RSNGC45X","bundle":"https://pith.science/pith/VQCNWATDKE7ODSE3P7RSNGC45X/bundle.json","state":"https://pith.science/pith/VQCNWATDKE7ODSE3P7RSNGC45X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQCNWATDKE7ODSE3P7RSNGC45X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VQCNWATDKE7ODSE3P7RSNGC45X","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":"340ea64790dab614716f0d3b72e6a3ec9e8fd8f866c15b8a2373d0a32c9ec598","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-28T20:39:29Z","title_canon_sha256":"03f9ac5917004b855ed518a283a064f018284ca0af5c1a7c18039520c6fd3c1d"},"schema_version":"1.0","source":{"id":"1302.7307","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7307","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7307v2","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7307","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"VQCNWATDKE7O","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VQCNWATDKE7ODSE3","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VQCNWATD","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:153f17aac739440d5a65905693d2ee1dd9e1ad28963374950fc870b50b39edaf","target":"graph","created_at":"2026-05-18T01:51:25Z","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":"Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Recently, a new technique has emerged that employs a single nitrogen-vacancy (NV) defect in diamond as an atomic-size magnetometer. Although NV magnetometry promises significant advances in magnetic imaging, the effectiveness of the technique, when applied to realistic magnetic nanostructures, remains to be demonstrated. Here we use a scanning NV magnetometer to image a magnetic vortex, which is one of the most iconic object of na","authors_text":"A. Thiaville, J.-F. Roch, J. P. Tetienne, L. Rondin, P. Spinicelli, S. Rohart, T. Hingant, V. Jacques","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-28T20:39:29Z","title":"Stray-field imaging of magnetic vortices with a single diamond spin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7307","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":"sha256:3eddd287060c7a62200b286661696041beb2db844696b00dd86d0ac4ad34668c","target":"record","created_at":"2026-05-18T01:51:25Z","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":"340ea64790dab614716f0d3b72e6a3ec9e8fd8f866c15b8a2373d0a32c9ec598","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-28T20:39:29Z","title_canon_sha256":"03f9ac5917004b855ed518a283a064f018284ca0af5c1a7c18039520c6fd3c1d"},"schema_version":"1.0","source":{"id":"1302.7307","kind":"arxiv","version":2}},"canonical_sha256":"ac04db0263513ee1c89b7fe326985cedfa983bd2ce09b01fc6b1e1156e028f2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac04db0263513ee1c89b7fe326985cedfa983bd2ce09b01fc6b1e1156e028f2c","first_computed_at":"2026-05-18T01:51:25.801464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:25.801464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pw1bfRWrmevDakoJetozAO8XbzSzsvNyB4E8xzIoFCGMd5hQcPVNhnikGiJbzzTYfX2IKrkz/o95qYbHOf0AAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:25.802170Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.7307","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3eddd287060c7a62200b286661696041beb2db844696b00dd86d0ac4ad34668c","sha256:153f17aac739440d5a65905693d2ee1dd9e1ad28963374950fc870b50b39edaf"],"state_sha256":"411059931f860eae473b671beddb4cf0ca256c986a9bd619cd60c8354e923b45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0KDj+JYU2NVlyhVnvfLDxWhTow1p33V8VZ/vEwflJS2yqEfOiDoXrY/tBDIUImkrrLnlZXDKtbBj3pyMclFAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:59:10.326715Z","bundle_sha256":"53430d6c84cc00fffeceb8d8f50f7b0fa154df32acf1647bb07ccab29b555e0c"}}