{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:4EOW42BRYGHMFFFNO7X7JK6ZWU","short_pith_number":"pith:4EOW42BR","canonical_record":{"source":{"id":"2305.06688","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-05-11T09:46:18Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"426c8646201033310b7077784afd0e0df1e14624977e46266c90f62f9cd60a0f","abstract_canon_sha256":"e1952e88a4272d197a04e3d88552b1879fa5a2e0721a3cb59b6049125c53a084"},"schema_version":"1.0"},"canonical_sha256":"e11d6e6831c18ec294ad77eff4abd9b5110cab3fef981cfc1404053a7663b47d","source":{"kind":"arxiv","id":"2305.06688","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06688","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06688v3","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06688","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_12","alias_value":"4EOW42BRYGHM","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"4EOW42BRYGHMFFFN","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"4EOW42BR","created_at":"2026-07-05T06:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:4EOW42BRYGHMFFFNO7X7JK6ZWU","target":"record","payload":{"canonical_record":{"source":{"id":"2305.06688","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-05-11T09:46:18Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"426c8646201033310b7077784afd0e0df1e14624977e46266c90f62f9cd60a0f","abstract_canon_sha256":"e1952e88a4272d197a04e3d88552b1879fa5a2e0721a3cb59b6049125c53a084"},"schema_version":"1.0"},"canonical_sha256":"e11d6e6831c18ec294ad77eff4abd9b5110cab3fef981cfc1404053a7663b47d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:30:19.276533Z","signature_b64":"U6Yyah7ALHVHDkHK4U8y0Y2BlaEjIbth+WnrafxfIrVuNenoX7oQnlTIzpWi3BGjS6T7yuO+ms74Wr62ZouxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e11d6e6831c18ec294ad77eff4abd9b5110cab3fef981cfc1404053a7663b47d","last_reissued_at":"2026-07-05T06:30:19.276035Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:30:19.276035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.06688","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:30:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0iu6GQOPf9E/JP0G/k6WKj31nn/9Iv6WGdDXFAFTR06LhB5dp1eLE9vHjZAP574MP4le348WFyTuYWkEqCkRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T09:16:32.574640Z"},"content_sha256":"b80b3a533dbe0f459b77d7471943190e0772da03c79026b856e0c108c428b189","schema_version":"1.0","event_id":"sha256:b80b3a533dbe0f459b77d7471943190e0772da03c79026b856e0c108c428b189"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:4EOW42BRYGHMFFFNO7X7JK6ZWU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optically Driven Janus Micro Engine with Full Orbital Motion Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.optics","authors_text":"Agnese Callegari, Alessandro Magazz\\`u, Antonino Foti, Berk \\c{C}i\\c{c}ek, David Bronte Ciriza, Denis Kasianiuk, Falko Schmidt, Giovanni Volpe, Iryna Kasianiuk, Luca Biancofiore, Maria Grazia Donato, Maurizio Lanza, Onofrio M. Marag\\`o, Pietro G. Gucciardi","submitted_at":"2023-05-11T09:46:18Z","abstract_excerpt":"Microengines have shown promise for a variety of applications in nanotechnology, microfluidics and nanomedicine, including targeted drug delivery, microscale pumping, and environmental remediation. However, achieving precise control over their dynamics remains a significant challenge. In this study, we introduce a microengine that exploits both optical and thermal effects to achieve a high degree of controllability. We find that in the presence of a strongly focused light beam, a gold-silica Janus particle becomes confined at the stationary point where the optical and thermal forces balance. B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06688","kind":"arxiv","version":3},"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/2305.06688/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":"2026-07-05T06:30:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0NP42i/EiHLUPzee2IkG2MFSMdwEnv5emq3CsKmlufgqCUV+cBhGE5RF5dX+WR3beyo0i+ThrPLSM68e/MmwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T09:16:32.575181Z"},"content_sha256":"5b694405b3d7fb2cb44d7c05d12c84e6da5b387fa7aa07a7a5d635443c0e4383","schema_version":"1.0","event_id":"sha256:5b694405b3d7fb2cb44d7c05d12c84e6da5b387fa7aa07a7a5d635443c0e4383"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/bundle.json","state_url":"https://pith.science/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/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":"2026-08-19T09:16:32Z","links":{"resolver":"https://pith.science/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU","bundle":"https://pith.science/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/bundle.json","state":"https://pith.science/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EOW42BRYGHMFFFNO7X7JK6ZWU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:4EOW42BRYGHMFFFNO7X7JK6ZWU","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":"e1952e88a4272d197a04e3d88552b1879fa5a2e0721a3cb59b6049125c53a084","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-05-11T09:46:18Z","title_canon_sha256":"426c8646201033310b7077784afd0e0df1e14624977e46266c90f62f9cd60a0f"},"schema_version":"1.0","source":{"id":"2305.06688","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06688","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06688v3","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06688","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_12","alias_value":"4EOW42BRYGHM","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"4EOW42BRYGHMFFFN","created_at":"2026-07-05T06:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"4EOW42BR","created_at":"2026-07-05T06:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:5b694405b3d7fb2cb44d7c05d12c84e6da5b387fa7aa07a7a5d635443c0e4383","target":"graph","created_at":"2026-07-05T06:30:19Z","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/2305.06688/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Microengines have shown promise for a variety of applications in nanotechnology, microfluidics and nanomedicine, including targeted drug delivery, microscale pumping, and environmental remediation. However, achieving precise control over their dynamics remains a significant challenge. In this study, we introduce a microengine that exploits both optical and thermal effects to achieve a high degree of controllability. We find that in the presence of a strongly focused light beam, a gold-silica Janus particle becomes confined at the stationary point where the optical and thermal forces balance. B","authors_text":"Agnese Callegari, Alessandro Magazz\\`u, Antonino Foti, Berk \\c{C}i\\c{c}ek, David Bronte Ciriza, Denis Kasianiuk, Falko Schmidt, Giovanni Volpe, Iryna Kasianiuk, Luca Biancofiore, Maria Grazia Donato, Maurizio Lanza, Onofrio M. Marag\\`o, Pietro G. Gucciardi","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-05-11T09:46:18Z","title":"Optically Driven Janus Micro Engine with Full Orbital Motion Control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06688","kind":"arxiv","version":3},"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:b80b3a533dbe0f459b77d7471943190e0772da03c79026b856e0c108c428b189","target":"record","created_at":"2026-07-05T06:30:19Z","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":"e1952e88a4272d197a04e3d88552b1879fa5a2e0721a3cb59b6049125c53a084","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-05-11T09:46:18Z","title_canon_sha256":"426c8646201033310b7077784afd0e0df1e14624977e46266c90f62f9cd60a0f"},"schema_version":"1.0","source":{"id":"2305.06688","kind":"arxiv","version":3}},"canonical_sha256":"e11d6e6831c18ec294ad77eff4abd9b5110cab3fef981cfc1404053a7663b47d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e11d6e6831c18ec294ad77eff4abd9b5110cab3fef981cfc1404053a7663b47d","first_computed_at":"2026-07-05T06:30:19.276035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:30:19.276035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U6Yyah7ALHVHDkHK4U8y0Y2BlaEjIbth+WnrafxfIrVuNenoX7oQnlTIzpWi3BGjS6T7yuO+ms74Wr62ZouxBg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:30:19.276533Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.06688","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b80b3a533dbe0f459b77d7471943190e0772da03c79026b856e0c108c428b189","sha256:5b694405b3d7fb2cb44d7c05d12c84e6da5b387fa7aa07a7a5d635443c0e4383"],"state_sha256":"47ad730a46b033ffaf481c2acdbc491167fa03c98780c81a194f3f41d00999c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cqkfPucS8gFTxLY0F0KlLcH2G4UDUmvL9gddtWV+kXRzUZOtYvVacKxvCJrwmB5dQMFgABuiW1YUPquTBJhtBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T09:16:32.579255Z","bundle_sha256":"f17cc3d94bbd03e41a049f871076352bc6de1c546f2e1c714f0d68b6043a018c"}}