{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:553LGD63GX4Y33U6WS2SFOWPRI","short_pith_number":"pith:553LGD63","canonical_record":{"source":{"id":"1803.03212","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-08T17:29:29Z","cross_cats_sorted":["physics.app-ph","physics.atom-ph"],"title_canon_sha256":"f02bbf5f2df55282c3723dcb3faa0c0cd89dfc07612a050c9de730df73f59d04","abstract_canon_sha256":"1a31b1ff52f62f405a38b00ef4d18f3dcf6b274bcfd5ff03483084d65e6c6bec"},"schema_version":"1.0"},"canonical_sha256":"ef76b30fdb35f98dee9eb4b522bacf8a2f36cbc236be649f5cea9f4cb7883ba7","source":{"kind":"arxiv","id":"1803.03212","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03212","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03212v5","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03212","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"pith_short_12","alias_value":"553LGD63GX4Y","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"553LGD63GX4Y33U6","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"553LGD63","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:553LGD63GX4Y33U6WS2SFOWPRI","target":"record","payload":{"canonical_record":{"source":{"id":"1803.03212","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-08T17:29:29Z","cross_cats_sorted":["physics.app-ph","physics.atom-ph"],"title_canon_sha256":"f02bbf5f2df55282c3723dcb3faa0c0cd89dfc07612a050c9de730df73f59d04","abstract_canon_sha256":"1a31b1ff52f62f405a38b00ef4d18f3dcf6b274bcfd5ff03483084d65e6c6bec"},"schema_version":"1.0"},"canonical_sha256":"ef76b30fdb35f98dee9eb4b522bacf8a2f36cbc236be649f5cea9f4cb7883ba7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:44.438886Z","signature_b64":"siMMUII/P6AXbt1zsSD93855lkRSYFbGR/dKIwTd1DX/z7o4nkS/q0+PCFXVRLAlQTo6XBl2QkOm/IApdrQyBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef76b30fdb35f98dee9eb4b522bacf8a2f36cbc236be649f5cea9f4cb7883ba7","last_reissued_at":"2026-05-17T23:55:44.438126Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:44.438126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.03212","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:55:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVmTe8dbVu8jck32D9rdTPQAoj3e2u+XTs35VUmvSl7QA/f56cJUpObqVNOFNg7rW2wlGj5ZIN7ozgL3WH/mDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:40:37.282454Z"},"content_sha256":"f9d45bcee2090ee2a3aca9a36e6c8df77e68d6cbd21e75e37f492a215e94dd0f","schema_version":"1.0","event_id":"sha256:f9d45bcee2090ee2a3aca9a36e6c8df77e68d6cbd21e75e37f492a215e94dd0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:553LGD63GX4Y33U6WS2SFOWPRI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-adaptive loop for external disturbance reduction in differential measurement set-up","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.atom-ph"],"primary_cat":"physics.ins-det","authors_text":"Antonio Vigilante, Giuseppe Bevilacqua, Valerio Biancalana, Yordanka Dancheva","submitted_at":"2018-03-08T17:29:29Z","abstract_excerpt":"We present a method developed to actively compensate common-mode magnetic disturbances on a multi-sensor device devoted to differential measurements. The system uses a field-programmable-gated-array card, and operates in conjunction with a high sensitivity magnetometer: compensating the common-mode of magnetic disturbances results in a relevant reduction of the difference-mode noise. The digital nature of the compensation system allows for using a numerical approach aimed at automatically adapting the feedback loop filter response. A common mode disturbance attenuation exceeding 50 dB is achie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03212","kind":"arxiv","version":5},"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":"2026-05-17T23:55:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5MGmJ7mHhdw9voUsVqDKAd1qOzjCVgoi8PYFwMl+k3hT96L2a/o3bVxhjHrC+CjnXovbTZqAyJ3wewVlzO/PDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:40:37.283134Z"},"content_sha256":"b9e8b478ebbc55d61e3d8deb8f47f6145f37582fe7303fc3e1c63c8f49cd9068","schema_version":"1.0","event_id":"sha256:b9e8b478ebbc55d61e3d8deb8f47f6145f37582fe7303fc3e1c63c8f49cd9068"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/553LGD63GX4Y33U6WS2SFOWPRI/bundle.json","state_url":"https://pith.science/pith/553LGD63GX4Y33U6WS2SFOWPRI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/553LGD63GX4Y33U6WS2SFOWPRI/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":"2026-05-26T17:40:37Z","links":{"resolver":"https://pith.science/pith/553LGD63GX4Y33U6WS2SFOWPRI","bundle":"https://pith.science/pith/553LGD63GX4Y33U6WS2SFOWPRI/bundle.json","state":"https://pith.science/pith/553LGD63GX4Y33U6WS2SFOWPRI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/553LGD63GX4Y33U6WS2SFOWPRI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:553LGD63GX4Y33U6WS2SFOWPRI","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":"1a31b1ff52f62f405a38b00ef4d18f3dcf6b274bcfd5ff03483084d65e6c6bec","cross_cats_sorted":["physics.app-ph","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-08T17:29:29Z","title_canon_sha256":"f02bbf5f2df55282c3723dcb3faa0c0cd89dfc07612a050c9de730df73f59d04"},"schema_version":"1.0","source":{"id":"1803.03212","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03212","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03212v5","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03212","created_at":"2026-05-17T23:55:44Z"},{"alias_kind":"pith_short_12","alias_value":"553LGD63GX4Y","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"553LGD63GX4Y33U6","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"553LGD63","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:b9e8b478ebbc55d61e3d8deb8f47f6145f37582fe7303fc3e1c63c8f49cd9068","target":"graph","created_at":"2026-05-17T23:55:44Z","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":"We present a method developed to actively compensate common-mode magnetic disturbances on a multi-sensor device devoted to differential measurements. The system uses a field-programmable-gated-array card, and operates in conjunction with a high sensitivity magnetometer: compensating the common-mode of magnetic disturbances results in a relevant reduction of the difference-mode noise. The digital nature of the compensation system allows for using a numerical approach aimed at automatically adapting the feedback loop filter response. A common mode disturbance attenuation exceeding 50 dB is achie","authors_text":"Antonio Vigilante, Giuseppe Bevilacqua, Valerio Biancalana, Yordanka Dancheva","cross_cats":["physics.app-ph","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-08T17:29:29Z","title":"Self-adaptive loop for external disturbance reduction in differential measurement set-up"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03212","kind":"arxiv","version":5},"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:f9d45bcee2090ee2a3aca9a36e6c8df77e68d6cbd21e75e37f492a215e94dd0f","target":"record","created_at":"2026-05-17T23:55:44Z","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":"1a31b1ff52f62f405a38b00ef4d18f3dcf6b274bcfd5ff03483084d65e6c6bec","cross_cats_sorted":["physics.app-ph","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-08T17:29:29Z","title_canon_sha256":"f02bbf5f2df55282c3723dcb3faa0c0cd89dfc07612a050c9de730df73f59d04"},"schema_version":"1.0","source":{"id":"1803.03212","kind":"arxiv","version":5}},"canonical_sha256":"ef76b30fdb35f98dee9eb4b522bacf8a2f36cbc236be649f5cea9f4cb7883ba7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef76b30fdb35f98dee9eb4b522bacf8a2f36cbc236be649f5cea9f4cb7883ba7","first_computed_at":"2026-05-17T23:55:44.438126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:44.438126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"siMMUII/P6AXbt1zsSD93855lkRSYFbGR/dKIwTd1DX/z7o4nkS/q0+PCFXVRLAlQTo6XBl2QkOm/IApdrQyBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:44.438886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.03212","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9d45bcee2090ee2a3aca9a36e6c8df77e68d6cbd21e75e37f492a215e94dd0f","sha256:b9e8b478ebbc55d61e3d8deb8f47f6145f37582fe7303fc3e1c63c8f49cd9068"],"state_sha256":"c1d7ebca66f2294956987c65fad514582ec2d470cf8018adf828bc9b17ec78c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"axia/9tMSGGXFq8MTSMRtHmIKtcj6O0HDCq7H7hW/jxb8WxrGV4JjSycHReewX3NPjnhcZDRBdEn+WnFOzy+BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:40:37.286742Z","bundle_sha256":"6aeb4bb68a4252fa61f99cdf978eaf8bea630f7c4c93e53c2ff47444d7f7451c"}}