{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BZKPMBSMV53CHSVJFC3N3BZIA7","short_pith_number":"pith:BZKPMBSM","canonical_record":{"source":{"id":"1404.6341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-25T07:48:12Z","cross_cats_sorted":["cond-mat.mes-hall","physics.ins-det"],"title_canon_sha256":"a5c58973bc8c7c25ca7523ed970129e5eed8211ca6f3c52696257c9bc1cbb11d","abstract_canon_sha256":"0d68fa7bb2154e625227a163f987b64faa278b22b2c336c0c8c3cf6beea63d75"},"schema_version":"1.0"},"canonical_sha256":"0e54f6064caf7623caa928b6dd872807f1ff8bcb9b36298710fcab150468631c","source":{"kind":"arxiv","id":"1404.6341","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6341","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6341v2","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6341","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"pith_short_12","alias_value":"BZKPMBSMV53C","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BZKPMBSMV53CHSVJ","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BZKPMBSM","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BZKPMBSMV53CHSVJFC3N3BZIA7","target":"record","payload":{"canonical_record":{"source":{"id":"1404.6341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-25T07:48:12Z","cross_cats_sorted":["cond-mat.mes-hall","physics.ins-det"],"title_canon_sha256":"a5c58973bc8c7c25ca7523ed970129e5eed8211ca6f3c52696257c9bc1cbb11d","abstract_canon_sha256":"0d68fa7bb2154e625227a163f987b64faa278b22b2c336c0c8c3cf6beea63d75"},"schema_version":"1.0"},"canonical_sha256":"0e54f6064caf7623caa928b6dd872807f1ff8bcb9b36298710fcab150468631c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:32.675687Z","signature_b64":"4CXcp4VMdMGJYgCtuQvgoD3W36zaF4vGccPTkEqtrOMK1xQ2bj/Q5AWuMjwOVi/dEuiN6f66PQpYB6AiIbvHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e54f6064caf7623caa928b6dd872807f1ff8bcb9b36298710fcab150468631c","last_reissued_at":"2026-05-18T01:33:32.674971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:32.674971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.6341","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":"2026-05-18T01:33:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4liKIp0I9Vcnl/LJqpUkjyQ8Uy3eW8bVLqQFwB3/7MHncqPHuFBAoBhLcejD+MZ6w1nM1Woer0us32gQCeTiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:17:45.500277Z"},"content_sha256":"bd9b0f216368b5f6d345bf4803b8da0697a552aa4365f9ac7f79f8ffdea69bfa","schema_version":"1.0","event_id":"sha256:bd9b0f216368b5f6d345bf4803b8da0697a552aa4365f9ac7f79f8ffdea69bfa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BZKPMBSMV53CHSVJFC3N3BZIA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An all-electrical torque differential magnetometer operating under ambient conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.ins-det"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akashdeep Kamra, Hans Huebl, Johannes Lotze, Michael Schreier, Niklas Roschewsky, Rudolf Gross, Sebastian T. B. Goennenwein, Stefan von Hoesslin","submitted_at":"2014-04-25T07:48:12Z","abstract_excerpt":"An all-electrical torque differential magnetometry (also known as cantilever magnetometry) setup employing piezoelectric quartz tuning forks is demonstrated. The magnetometer can be operated under ambient conditions as well as low temperatures and pressures. It extends the allowed specimen mass range up to several 10 $\\mu$g without any significant reduction in the sensitivity. Operation under ambient conditions and a simple all-electrical design of the magnetometer should allow for an easy integration with other experimental setups. The uniaxial magnetic anisotropy of a 25 $\\mu$m diameter iron"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6341","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":"2026-05-18T01:33:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZg/LXoU9jlHK8o5gmOESKvtyIHDlmbf3fPhk+2Ukme0Hu6xhiHOOkQa9nyW5B2ioDCILGJK4T2my865glLSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:17:45.500641Z"},"content_sha256":"671942edb84c1dda7154db2092fd9867026c2b807679aa728bda5bf99f27c942","schema_version":"1.0","event_id":"sha256:671942edb84c1dda7154db2092fd9867026c2b807679aa728bda5bf99f27c942"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/bundle.json","state_url":"https://pith.science/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/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":"2026-06-01T21:17:45Z","links":{"resolver":"https://pith.science/pith/BZKPMBSMV53CHSVJFC3N3BZIA7","bundle":"https://pith.science/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/bundle.json","state":"https://pith.science/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZKPMBSMV53CHSVJFC3N3BZIA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BZKPMBSMV53CHSVJFC3N3BZIA7","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":"0d68fa7bb2154e625227a163f987b64faa278b22b2c336c0c8c3cf6beea63d75","cross_cats_sorted":["cond-mat.mes-hall","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-25T07:48:12Z","title_canon_sha256":"a5c58973bc8c7c25ca7523ed970129e5eed8211ca6f3c52696257c9bc1cbb11d"},"schema_version":"1.0","source":{"id":"1404.6341","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6341","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6341v2","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6341","created_at":"2026-05-18T01:33:32Z"},{"alias_kind":"pith_short_12","alias_value":"BZKPMBSMV53C","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BZKPMBSMV53CHSVJ","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BZKPMBSM","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:671942edb84c1dda7154db2092fd9867026c2b807679aa728bda5bf99f27c942","target":"graph","created_at":"2026-05-18T01:33:32Z","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":"An all-electrical torque differential magnetometry (also known as cantilever magnetometry) setup employing piezoelectric quartz tuning forks is demonstrated. The magnetometer can be operated under ambient conditions as well as low temperatures and pressures. It extends the allowed specimen mass range up to several 10 $\\mu$g without any significant reduction in the sensitivity. Operation under ambient conditions and a simple all-electrical design of the magnetometer should allow for an easy integration with other experimental setups. The uniaxial magnetic anisotropy of a 25 $\\mu$m diameter iron","authors_text":"Akashdeep Kamra, Hans Huebl, Johannes Lotze, Michael Schreier, Niklas Roschewsky, Rudolf Gross, Sebastian T. B. Goennenwein, Stefan von Hoesslin","cross_cats":["cond-mat.mes-hall","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-25T07:48:12Z","title":"An all-electrical torque differential magnetometer operating under ambient conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6341","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:bd9b0f216368b5f6d345bf4803b8da0697a552aa4365f9ac7f79f8ffdea69bfa","target":"record","created_at":"2026-05-18T01:33:32Z","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":"0d68fa7bb2154e625227a163f987b64faa278b22b2c336c0c8c3cf6beea63d75","cross_cats_sorted":["cond-mat.mes-hall","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-25T07:48:12Z","title_canon_sha256":"a5c58973bc8c7c25ca7523ed970129e5eed8211ca6f3c52696257c9bc1cbb11d"},"schema_version":"1.0","source":{"id":"1404.6341","kind":"arxiv","version":2}},"canonical_sha256":"0e54f6064caf7623caa928b6dd872807f1ff8bcb9b36298710fcab150468631c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e54f6064caf7623caa928b6dd872807f1ff8bcb9b36298710fcab150468631c","first_computed_at":"2026-05-18T01:33:32.674971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:32.674971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4CXcp4VMdMGJYgCtuQvgoD3W36zaF4vGccPTkEqtrOMK1xQ2bj/Q5AWuMjwOVi/dEuiN6f66PQpYB6AiIbvHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:32.675687Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.6341","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd9b0f216368b5f6d345bf4803b8da0697a552aa4365f9ac7f79f8ffdea69bfa","sha256:671942edb84c1dda7154db2092fd9867026c2b807679aa728bda5bf99f27c942"],"state_sha256":"d34e7971f32850d0e58d43a9d6acf201f1f2db2002d2124c7656546bd3b12169"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ryqoWYPThOm7HTieaE+nhEuj+/rxvd6Tmu/iBZG576vbp+Db3QPi6nZUV3fi3JgV500OI0b+IbS3Nt41lWw6Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:17:45.502551Z","bundle_sha256":"4be75b0fb903c1b216d71538f4460cb4241aeb717417724bbe3932b0ab707537"}}