{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:P5Q4LKEGAQA7VJNBIEP7YC3CBK","short_pith_number":"pith:P5Q4LKEG","canonical_record":{"source":{"id":"2502.04561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-06T23:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"5b3d7c73d1d4e0456d24c9271676ff0becfbe52688c4e3a6dd7b520c7c3c326d","abstract_canon_sha256":"89b49bcaecc24a19109c61a6e03fa79264cb305aec8c8c5aeec108043cee71a5"},"schema_version":"1.0"},"canonical_sha256":"7f61c5a8860401faa5a1411ffc0b620a8b72bf2520abcb9958762bafcc0faf0e","source":{"kind":"arxiv","id":"2502.04561","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04561","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04561v1","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04561","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"P5Q4LKEGAQA7","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_16","alias_value":"P5Q4LKEGAQA7VJNB","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_8","alias_value":"P5Q4LKEG","created_at":"2026-07-05T10:10:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:P5Q4LKEGAQA7VJNBIEP7YC3CBK","target":"record","payload":{"canonical_record":{"source":{"id":"2502.04561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-06T23:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"5b3d7c73d1d4e0456d24c9271676ff0becfbe52688c4e3a6dd7b520c7c3c326d","abstract_canon_sha256":"89b49bcaecc24a19109c61a6e03fa79264cb305aec8c8c5aeec108043cee71a5"},"schema_version":"1.0"},"canonical_sha256":"7f61c5a8860401faa5a1411ffc0b620a8b72bf2520abcb9958762bafcc0faf0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:10:53.433030Z","signature_b64":"dlS7VnusRSa7h2ehjc8CzH58eTnrrrcqxtee8KET3kS6O65smo3nCuJrkvGSA+Csut2SoCz4tzgIZ+FpSkRHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f61c5a8860401faa5a1411ffc0b620a8b72bf2520abcb9958762bafcc0faf0e","last_reissued_at":"2026-07-05T10:10:53.432611Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:10:53.432611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.04561","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":"2026-07-05T10:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BFRE2YspMRmLnXdZIwgKcP5zGe4aBMTEbKdHYyibk0/u0F+mdK8svcMeNWUMhZNp2rwFh6ufMFDxk3WhXXqpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:24:51.148065Z"},"content_sha256":"332c11b7e9ebe9b5b398ee4011531b5babe5c0deb1beaaec63dfffde2ae5f5f8","schema_version":"1.0","event_id":"sha256:332c11b7e9ebe9b5b398ee4011531b5babe5c0deb1beaaec63dfffde2ae5f5f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:P5Q4LKEGAQA7VJNBIEP7YC3CBK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visualizing Field-free Deterministic Magnetic Switching of all-van der Waals Spin-Orbit Torque System Using Spin Ensembles in Hexagonal Boron Nitride","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Chaowei Hu, Chuangtang Wang, Chunhui Rita Du, Faris A. Al-Matouq, Hailong Wang, Hanshang Jin, Hanyi Lu, Jingcheng Zhou, Jiun-Haw Chu, Kuangyin Deng, Liuyan Zhao, Nishkarsh Agarwal, Ran Cheng, Robert Hovden, Roshan S. Trivedi, Senlei Li, Stelo Xu, Sumedh Rathi, Valentin Taufour, Xiaodong Xu, Xi Zhang, Zhigang Jiang","submitted_at":"2025-02-06T23:28:32Z","abstract_excerpt":"Recently, optically active spin defects embedded in van der Waals (vdW) crystals have emerged as a transformative quantum sensing platform to explore cutting-edge materials science and quantum physics. Taking advantage of excellent solid-state integrability, this new class of spin defects can be arranged in controllable nanoscale proximity of target materials in vdW heterostructures, showing great promise for improving spatial resolution and field sensitivity of current sensing technologies. Building on this state-of-the-art measurement platform, here we report hexagonal boron nitride-based qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04561","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/2502.04561/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":"2026-07-05T10:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbEToUuPJLyGARGLE7Zlz4a90WMhcy8UFaDAd1u/0mYZ1eIRO5gTrkQJ7tGPkLlfXsko9Ta9xGI9HuSJFENbAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:24:51.148983Z"},"content_sha256":"ea432024fb3d92fccf0f1525405995c75551adf7166b7ecddd5a9d10a8637801","schema_version":"1.0","event_id":"sha256:ea432024fb3d92fccf0f1525405995c75551adf7166b7ecddd5a9d10a8637801"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/bundle.json","state_url":"https://pith.science/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/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":"2026-08-04T14:24:51Z","links":{"resolver":"https://pith.science/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK","bundle":"https://pith.science/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/bundle.json","state":"https://pith.science/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P5Q4LKEGAQA7VJNBIEP7YC3CBK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:P5Q4LKEGAQA7VJNBIEP7YC3CBK","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":"89b49bcaecc24a19109c61a6e03fa79264cb305aec8c8c5aeec108043cee71a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-06T23:28:32Z","title_canon_sha256":"5b3d7c73d1d4e0456d24c9271676ff0becfbe52688c4e3a6dd7b520c7c3c326d"},"schema_version":"1.0","source":{"id":"2502.04561","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04561","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04561v1","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04561","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"P5Q4LKEGAQA7","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_16","alias_value":"P5Q4LKEGAQA7VJNB","created_at":"2026-07-05T10:10:53Z"},{"alias_kind":"pith_short_8","alias_value":"P5Q4LKEG","created_at":"2026-07-05T10:10:53Z"}],"graph_snapshots":[{"event_id":"sha256:ea432024fb3d92fccf0f1525405995c75551adf7166b7ecddd5a9d10a8637801","target":"graph","created_at":"2026-07-05T10:10:53Z","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/2502.04561/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, optically active spin defects embedded in van der Waals (vdW) crystals have emerged as a transformative quantum sensing platform to explore cutting-edge materials science and quantum physics. Taking advantage of excellent solid-state integrability, this new class of spin defects can be arranged in controllable nanoscale proximity of target materials in vdW heterostructures, showing great promise for improving spatial resolution and field sensitivity of current sensing technologies. Building on this state-of-the-art measurement platform, here we report hexagonal boron nitride-based qu","authors_text":"Chaowei Hu, Chuangtang Wang, Chunhui Rita Du, Faris A. Al-Matouq, Hailong Wang, Hanshang Jin, Hanyi Lu, Jingcheng Zhou, Jiun-Haw Chu, Kuangyin Deng, Liuyan Zhao, Nishkarsh Agarwal, Ran Cheng, Robert Hovden, Roshan S. Trivedi, Senlei Li, Stelo Xu, Sumedh Rathi, Valentin Taufour, Xiaodong Xu, Xi Zhang, Zhigang Jiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-06T23:28:32Z","title":"Visualizing Field-free Deterministic Magnetic Switching of all-van der Waals Spin-Orbit Torque System Using Spin Ensembles in Hexagonal Boron Nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04561","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":"sha256:332c11b7e9ebe9b5b398ee4011531b5babe5c0deb1beaaec63dfffde2ae5f5f8","target":"record","created_at":"2026-07-05T10:10:53Z","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":"89b49bcaecc24a19109c61a6e03fa79264cb305aec8c8c5aeec108043cee71a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-06T23:28:32Z","title_canon_sha256":"5b3d7c73d1d4e0456d24c9271676ff0becfbe52688c4e3a6dd7b520c7c3c326d"},"schema_version":"1.0","source":{"id":"2502.04561","kind":"arxiv","version":1}},"canonical_sha256":"7f61c5a8860401faa5a1411ffc0b620a8b72bf2520abcb9958762bafcc0faf0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f61c5a8860401faa5a1411ffc0b620a8b72bf2520abcb9958762bafcc0faf0e","first_computed_at":"2026-07-05T10:10:53.432611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:53.432611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dlS7VnusRSa7h2ehjc8CzH58eTnrrrcqxtee8KET3kS6O65smo3nCuJrkvGSA+Csut2SoCz4tzgIZ+FpSkRHDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:53.433030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.04561","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:332c11b7e9ebe9b5b398ee4011531b5babe5c0deb1beaaec63dfffde2ae5f5f8","sha256:ea432024fb3d92fccf0f1525405995c75551adf7166b7ecddd5a9d10a8637801"],"state_sha256":"077cf264dbf4a0e0e2d812e9ca39088d0dbdf5a0e2aac486a2c8a03b7b7ed5b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUnI1e4i5RRL2jzJRCD/GDsJrGOk5fH5AsT5gYjVD8GNFgqtahWLmz0fALTRbSCvL2RF5lo9Qk8pOhq6WbdUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:24:51.185176Z","bundle_sha256":"833deb9e4197c47e7b57c11067f40d4d3383bf17c198118820a5e68a891f0a80"}}