{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UHVQPITJYJIYRMNWGQFH27IQEM","short_pith_number":"pith:UHVQPITJ","canonical_record":{"source":{"id":"1402.1928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-09T09:14:39Z","cross_cats_sorted":[],"title_canon_sha256":"2c0a0b22211c665026256ea94fe8ce5140a9436b4b9e722127c6a302f14e922b","abstract_canon_sha256":"0ccaa1b278ba22e5879af9e2cfe731901c2833f674d8f2b6152a44d675857299"},"schema_version":"1.0"},"canonical_sha256":"a1eb07a269c25188b1b6340a7d7d10232fbecaa620b88436ba3f03652cb7c73b","source":{"kind":"arxiv","id":"1402.1928","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1928","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1928v1","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1928","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"pith_short_12","alias_value":"UHVQPITJYJIY","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UHVQPITJYJIYRMNW","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UHVQPITJ","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UHVQPITJYJIYRMNWGQFH27IQEM","target":"record","payload":{"canonical_record":{"source":{"id":"1402.1928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-09T09:14:39Z","cross_cats_sorted":[],"title_canon_sha256":"2c0a0b22211c665026256ea94fe8ce5140a9436b4b9e722127c6a302f14e922b","abstract_canon_sha256":"0ccaa1b278ba22e5879af9e2cfe731901c2833f674d8f2b6152a44d675857299"},"schema_version":"1.0"},"canonical_sha256":"a1eb07a269c25188b1b6340a7d7d10232fbecaa620b88436ba3f03652cb7c73b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:33.118555Z","signature_b64":"82FBkYzSkvS19hCNjkT+TbpFjHIE3qf1AB3rt+A5aVDxeuZ2tCcn2COxrqVueWDDfEQZu6P4ygvYOAdUJD7JCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1eb07a269c25188b1b6340a7d7d10232fbecaa620b88436ba3f03652cb7c73b","last_reissued_at":"2026-05-18T02:59:33.117877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:33.117877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.1928","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":"2026-05-18T02:59:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IKGffuq2k23NstoniISVRaLiOwEDSEnBYjg79M4K0SmX//xlepkr3pjyhZd54riDriMnKAxolDm3zW5ABKwpBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:43:31.815384Z"},"content_sha256":"04eb3e65c1a1d74d848620cd57628e7832614af1e0e27e1a3ca7f1b8ad39ba4b","schema_version":"1.0","event_id":"sha256:04eb3e65c1a1d74d848620cd57628e7832614af1e0e27e1a3ca7f1b8ad39ba4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UHVQPITJYJIYRMNWGQFH27IQEM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Designing stimulus-sensitive colloidal walkers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Bortolo M. Mognetti, Daan Frenkel, Francisco J. Martinez-Veracoechea, Jure Dobnikar, Patrick Varilly, Stefano Angioletti-Uberti","submitted_at":"2014-02-09T09:14:39Z","abstract_excerpt":"Colloidal particles with DNA `legs' that can bind reversibly to receptors on a surface can be made to `walk' if there is a gradient in receptor concentration. We use a combination of theory and Monte Carlo simulations to explore how controllable parameters, e.g. coating density and binding strength, affect the dynamics of such colloids. We find that competition between thermodynamic and kinetic trends imply that there is an optimal value for both, the binding strength and the number of `legs' for which transport is fastest. Using available thermodynamic data on DNA binding, we indicate how dir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1928","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":""},"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":"2026-05-18T02:59:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0mBoX0NnzT3grJNPBjzq0G+1gt7qS1AZBzVzsPnCHkKgc3I+Rrg1pRuSLrPmPTSLpwuQXidLtk+pQI/6wjzPAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:43:31.816058Z"},"content_sha256":"94aa02ee1d130a475bf2a1b3e32a71fb29265fb1547ab2f64b8b467e106d3e78","schema_version":"1.0","event_id":"sha256:94aa02ee1d130a475bf2a1b3e32a71fb29265fb1547ab2f64b8b467e106d3e78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UHVQPITJYJIYRMNWGQFH27IQEM/bundle.json","state_url":"https://pith.science/pith/UHVQPITJYJIYRMNWGQFH27IQEM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UHVQPITJYJIYRMNWGQFH27IQEM/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":"2026-05-28T22:43:31Z","links":{"resolver":"https://pith.science/pith/UHVQPITJYJIYRMNWGQFH27IQEM","bundle":"https://pith.science/pith/UHVQPITJYJIYRMNWGQFH27IQEM/bundle.json","state":"https://pith.science/pith/UHVQPITJYJIYRMNWGQFH27IQEM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UHVQPITJYJIYRMNWGQFH27IQEM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UHVQPITJYJIYRMNWGQFH27IQEM","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":"0ccaa1b278ba22e5879af9e2cfe731901c2833f674d8f2b6152a44d675857299","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-09T09:14:39Z","title_canon_sha256":"2c0a0b22211c665026256ea94fe8ce5140a9436b4b9e722127c6a302f14e922b"},"schema_version":"1.0","source":{"id":"1402.1928","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1928","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1928v1","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1928","created_at":"2026-05-18T02:59:33Z"},{"alias_kind":"pith_short_12","alias_value":"UHVQPITJYJIY","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UHVQPITJYJIYRMNW","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UHVQPITJ","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:94aa02ee1d130a475bf2a1b3e32a71fb29265fb1547ab2f64b8b467e106d3e78","target":"graph","created_at":"2026-05-18T02:59:33Z","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":"Colloidal particles with DNA `legs' that can bind reversibly to receptors on a surface can be made to `walk' if there is a gradient in receptor concentration. We use a combination of theory and Monte Carlo simulations to explore how controllable parameters, e.g. coating density and binding strength, affect the dynamics of such colloids. We find that competition between thermodynamic and kinetic trends imply that there is an optimal value for both, the binding strength and the number of `legs' for which transport is fastest. Using available thermodynamic data on DNA binding, we indicate how dir","authors_text":"Bortolo M. Mognetti, Daan Frenkel, Francisco J. Martinez-Veracoechea, Jure Dobnikar, Patrick Varilly, Stefano Angioletti-Uberti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-09T09:14:39Z","title":"Designing stimulus-sensitive colloidal walkers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1928","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":"sha256:04eb3e65c1a1d74d848620cd57628e7832614af1e0e27e1a3ca7f1b8ad39ba4b","target":"record","created_at":"2026-05-18T02:59:33Z","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":"0ccaa1b278ba22e5879af9e2cfe731901c2833f674d8f2b6152a44d675857299","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-02-09T09:14:39Z","title_canon_sha256":"2c0a0b22211c665026256ea94fe8ce5140a9436b4b9e722127c6a302f14e922b"},"schema_version":"1.0","source":{"id":"1402.1928","kind":"arxiv","version":1}},"canonical_sha256":"a1eb07a269c25188b1b6340a7d7d10232fbecaa620b88436ba3f03652cb7c73b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1eb07a269c25188b1b6340a7d7d10232fbecaa620b88436ba3f03652cb7c73b","first_computed_at":"2026-05-18T02:59:33.117877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:59:33.117877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"82FBkYzSkvS19hCNjkT+TbpFjHIE3qf1AB3rt+A5aVDxeuZ2tCcn2COxrqVueWDDfEQZu6P4ygvYOAdUJD7JCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:59:33.118555Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.1928","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04eb3e65c1a1d74d848620cd57628e7832614af1e0e27e1a3ca7f1b8ad39ba4b","sha256:94aa02ee1d130a475bf2a1b3e32a71fb29265fb1547ab2f64b8b467e106d3e78"],"state_sha256":"e9ac505a9a79f2a899084805794666b24148abcb6b6c8f67aeb93fe3458da5b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e/EwCQA391CsuXkp8JbRMswfLnwfkw26z4ROgyruwb7MJgAmA7y0Y4R1tjE96+0la+nVf8C3RDpVuoI3cLL0Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:43:31.819579Z","bundle_sha256":"c045e04367c19ba8bba00894c6e7a8c4df7e8ac6840eb6cb324904793fa25fdf"}}