{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:XOZ3CBQAB3C5X74JFB2WC3WZ7X","short_pith_number":"pith:XOZ3CBQA","canonical_record":{"source":{"id":"2506.02851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-06-03T13:19:54Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"767ad12ca491f1d58cb8236df1fd1c1dd501303814e77402c88b723cda6061d2","abstract_canon_sha256":"8e87d8ce98b43de95ce3b388be8442c78838e8795b9c349bef14da133e43c35f"},"schema_version":"1.0"},"canonical_sha256":"bbb3b106000ec5dbff892875616ed9fdc2733c8c60c316d22f932a9fe6746cf5","source":{"kind":"arxiv","id":"2506.02851","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02851","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02851v1","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02851","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_12","alias_value":"XOZ3CBQAB3C5","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_16","alias_value":"XOZ3CBQAB3C5X74J","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_8","alias_value":"XOZ3CBQA","created_at":"2026-07-05T11:15:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:XOZ3CBQAB3C5X74JFB2WC3WZ7X","target":"record","payload":{"canonical_record":{"source":{"id":"2506.02851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-06-03T13:19:54Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"767ad12ca491f1d58cb8236df1fd1c1dd501303814e77402c88b723cda6061d2","abstract_canon_sha256":"8e87d8ce98b43de95ce3b388be8442c78838e8795b9c349bef14da133e43c35f"},"schema_version":"1.0"},"canonical_sha256":"bbb3b106000ec5dbff892875616ed9fdc2733c8c60c316d22f932a9fe6746cf5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:10.389408Z","signature_b64":"KnXPDYReQyu1bjX5JS7/i2mOwArTReAT/rlZDaRw0HQ4dvcu9tIs+4ZJAlwQ9/jsJfnUoxDn/OJUcb3tO81lBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbb3b106000ec5dbff892875616ed9fdc2733c8c60c316d22f932a9fe6746cf5","last_reissued_at":"2026-07-05T11:15:10.388888Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:10.388888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.02851","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":"2026-07-05T11:15:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQVSkjYKdEnJBN0dWOBCBHPFNTGGlvTa20t+8Ii4pB44nRGNaFBUYSrUNYEt5Cv5m6kzQBKQgM6cbV0wU7p8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T05:49:58.041506Z"},"content_sha256":"23ba01b48f893dc938d3d536be64cea80d7ef4ecfb0f21bb413211f1a7af876a","schema_version":"1.0","event_id":"sha256:23ba01b48f893dc938d3d536be64cea80d7ef4ecfb0f21bb413211f1a7af876a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:XOZ3CBQAB3C5X74JFB2WC3WZ7X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inertia-driven propulsion of asymmetric spinner-dimers at moderate Reynolds numbers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Dongfang Fu, Juho Lintuvuori, Zaiyi Shen","submitted_at":"2025-06-03T13:19:54Z","abstract_excerpt":"We investigate the translational motion of rotating colloidal systems at moderate Reynolds numbers (Re), focusing on particle dimers in snowman-like configurations under three scenarios: (i) two co-rotating spheres driven by an external field, (ii) two counter-rotating spheres driven by an internal torque as a swimmer, and (iii) a single rotating spinner with a passive sphere for cargo delivery, using hydrodynamic simulations. In all the three cases, the particles are bound together hydrodynamically, and the purely rotational motion of the spinners produces a net propulsion of the dimers along"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02851","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/2506.02851/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":"2026-07-05T11:15:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z/cMy9wG/pGI+Pdok2R6CwX6JEywO47i3IS5ibB+in/P23S3VfHpTVf3dgQOhdB/Bh9SVJOPP3P7QaP2mHjUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T05:49:58.043348Z"},"content_sha256":"326efe3dbc45cd08cba94dd54088dfd33c9b1a0484c362a4687c56c9a2405fd4","schema_version":"1.0","event_id":"sha256:326efe3dbc45cd08cba94dd54088dfd33c9b1a0484c362a4687c56c9a2405fd4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/bundle.json","state_url":"https://pith.science/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/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":"2026-08-09T05:49:58Z","links":{"resolver":"https://pith.science/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X","bundle":"https://pith.science/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/bundle.json","state":"https://pith.science/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOZ3CBQAB3C5X74JFB2WC3WZ7X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:XOZ3CBQAB3C5X74JFB2WC3WZ7X","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":"8e87d8ce98b43de95ce3b388be8442c78838e8795b9c349bef14da133e43c35f","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-06-03T13:19:54Z","title_canon_sha256":"767ad12ca491f1d58cb8236df1fd1c1dd501303814e77402c88b723cda6061d2"},"schema_version":"1.0","source":{"id":"2506.02851","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02851","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02851v1","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02851","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_12","alias_value":"XOZ3CBQAB3C5","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_16","alias_value":"XOZ3CBQAB3C5X74J","created_at":"2026-07-05T11:15:10Z"},{"alias_kind":"pith_short_8","alias_value":"XOZ3CBQA","created_at":"2026-07-05T11:15:10Z"}],"graph_snapshots":[{"event_id":"sha256:326efe3dbc45cd08cba94dd54088dfd33c9b1a0484c362a4687c56c9a2405fd4","target":"graph","created_at":"2026-07-05T11:15:10Z","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/2506.02851/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the translational motion of rotating colloidal systems at moderate Reynolds numbers (Re), focusing on particle dimers in snowman-like configurations under three scenarios: (i) two co-rotating spheres driven by an external field, (ii) two counter-rotating spheres driven by an internal torque as a swimmer, and (iii) a single rotating spinner with a passive sphere for cargo delivery, using hydrodynamic simulations. In all the three cases, the particles are bound together hydrodynamically, and the purely rotational motion of the spinners produces a net propulsion of the dimers along","authors_text":"Dongfang Fu, Juho Lintuvuori, Zaiyi Shen","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-06-03T13:19:54Z","title":"Inertia-driven propulsion of asymmetric spinner-dimers at moderate Reynolds numbers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02851","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":"sha256:23ba01b48f893dc938d3d536be64cea80d7ef4ecfb0f21bb413211f1a7af876a","target":"record","created_at":"2026-07-05T11:15:10Z","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":"8e87d8ce98b43de95ce3b388be8442c78838e8795b9c349bef14da133e43c35f","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-06-03T13:19:54Z","title_canon_sha256":"767ad12ca491f1d58cb8236df1fd1c1dd501303814e77402c88b723cda6061d2"},"schema_version":"1.0","source":{"id":"2506.02851","kind":"arxiv","version":1}},"canonical_sha256":"bbb3b106000ec5dbff892875616ed9fdc2733c8c60c316d22f932a9fe6746cf5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbb3b106000ec5dbff892875616ed9fdc2733c8c60c316d22f932a9fe6746cf5","first_computed_at":"2026-07-05T11:15:10.388888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:15:10.388888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KnXPDYReQyu1bjX5JS7/i2mOwArTReAT/rlZDaRw0HQ4dvcu9tIs+4ZJAlwQ9/jsJfnUoxDn/OJUcb3tO81lBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:15:10.389408Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.02851","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23ba01b48f893dc938d3d536be64cea80d7ef4ecfb0f21bb413211f1a7af876a","sha256:326efe3dbc45cd08cba94dd54088dfd33c9b1a0484c362a4687c56c9a2405fd4"],"state_sha256":"c228342f730e5d807f724b5b6f5ad05b64e5bb2c103ff77b137f5ab3d7dca546"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m/enE47iSoEF3RmOlNPRpd61Ae/QXeJffbHe370G0bD3SDPBbKnKV/hNWDFRjUNoNE9YQBX5jyt08RF4fKwcAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T05:49:58.048439Z","bundle_sha256":"b6494e19f1b69f661ff5e6f161bcf0583d36563e79c10e52d2ae6fbd3aa74907"}}