{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OYWF6ZXQQY4HM5RGT676Z4SRIA","short_pith_number":"pith:OYWF6ZXQ","canonical_record":{"source":{"id":"1505.07988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-29T10:41:56Z","cross_cats_sorted":[],"title_canon_sha256":"f492ad509ccef13a34fb93849c9e127069ca7e2f626d8ec05c3017394bef3a79","abstract_canon_sha256":"b359486f7a1b3871737d2d1f0bf61b28978246e16b2a4110ec4ffc59e6246619"},"schema_version":"1.0"},"canonical_sha256":"762c5f66f086387676269fbfecf251401793390653ef95119f4058f2785bf21a","source":{"kind":"arxiv","id":"1505.07988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07988","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07988v1","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07988","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"pith_short_12","alias_value":"OYWF6ZXQQY4H","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OYWF6ZXQQY4HM5RG","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OYWF6ZXQ","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OYWF6ZXQQY4HM5RGT676Z4SRIA","target":"record","payload":{"canonical_record":{"source":{"id":"1505.07988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-29T10:41:56Z","cross_cats_sorted":[],"title_canon_sha256":"f492ad509ccef13a34fb93849c9e127069ca7e2f626d8ec05c3017394bef3a79","abstract_canon_sha256":"b359486f7a1b3871737d2d1f0bf61b28978246e16b2a4110ec4ffc59e6246619"},"schema_version":"1.0"},"canonical_sha256":"762c5f66f086387676269fbfecf251401793390653ef95119f4058f2785bf21a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:21.362047Z","signature_b64":"6+px1amEcw2HB2UqdlgoGHLoq2LwFldNyIYM4rRKA/55LrWy4N6HZeqscujWhNOWd1qUapVYGis7G70dLpYdBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"762c5f66f086387676269fbfecf251401793390653ef95119f4058f2785bf21a","last_reissued_at":"2026-05-18T00:43:21.361395Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:21.361395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.07988","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":"2026-05-18T00:43:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NWPn/guxjO2dLNgFNs/idy71h45nCEIgCRO+850wBOjLqQdGpyzp6TuHzHjDYi1jv34/s8oLgntD4vRg6Z2BDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:08:02.240643Z"},"content_sha256":"25e586638f66a561ed472e6333cdb7bb9c1463519e4d3960b12c4d750f77b1c9","schema_version":"1.0","event_id":"sha256:25e586638f66a561ed472e6333cdb7bb9c1463519e4d3960b12c4d750f77b1c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OYWF6ZXQQY4HM5RGT676Z4SRIA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dynamics of a self-phoretic Janus swimmer near a wall","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Tanniemola B. Liverpool, Yahaya Ibrahim","submitted_at":"2015-05-29T10:41:56Z","abstract_excerpt":"We study the effect of a nearby planar wall on the propulsion of a phoretic Janus micro-swimmer driven by asymmetric reactions on its surface which absorb reactants and generate products. We show that the behaviour of these swimmers near a wall can be classified ${\\bf based \\ on \\ whether}$ the swimmers are ${\\bf mainly}$ absorbing or producing reaction solutes ${\\bf and \\ whether}$ their swimming directions are such that the inert or active face is at the front. We find that the wall-induced solute gradients always promote swimmer propulsion along the wall while the effect of hydrodynamics le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07988","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":"2026-05-18T00:43:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nq4hXbYl2voOCfofml/LDQAz6uEMNfmJD6v2OhbZhijBwKDX/Lt0pdlfkJMbDQ3aPAxiudyBsA7dyEEJmBjoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:08:02.241307Z"},"content_sha256":"8cc419a4263b074649ca7d7ceb92c20a97b559ef32d67662e1667bd331a86e01","schema_version":"1.0","event_id":"sha256:8cc419a4263b074649ca7d7ceb92c20a97b559ef32d67662e1667bd331a86e01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/bundle.json","state_url":"https://pith.science/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/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":"2026-05-31T21:08:02Z","links":{"resolver":"https://pith.science/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA","bundle":"https://pith.science/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/bundle.json","state":"https://pith.science/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OYWF6ZXQQY4HM5RGT676Z4SRIA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OYWF6ZXQQY4HM5RGT676Z4SRIA","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":"b359486f7a1b3871737d2d1f0bf61b28978246e16b2a4110ec4ffc59e6246619","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-29T10:41:56Z","title_canon_sha256":"f492ad509ccef13a34fb93849c9e127069ca7e2f626d8ec05c3017394bef3a79"},"schema_version":"1.0","source":{"id":"1505.07988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07988","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07988v1","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07988","created_at":"2026-05-18T00:43:21Z"},{"alias_kind":"pith_short_12","alias_value":"OYWF6ZXQQY4H","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OYWF6ZXQQY4HM5RG","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OYWF6ZXQ","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:8cc419a4263b074649ca7d7ceb92c20a97b559ef32d67662e1667bd331a86e01","target":"graph","created_at":"2026-05-18T00:43:21Z","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 study the effect of a nearby planar wall on the propulsion of a phoretic Janus micro-swimmer driven by asymmetric reactions on its surface which absorb reactants and generate products. We show that the behaviour of these swimmers near a wall can be classified ${\\bf based \\ on \\ whether}$ the swimmers are ${\\bf mainly}$ absorbing or producing reaction solutes ${\\bf and \\ whether}$ their swimming directions are such that the inert or active face is at the front. We find that the wall-induced solute gradients always promote swimmer propulsion along the wall while the effect of hydrodynamics le","authors_text":"Tanniemola B. Liverpool, Yahaya Ibrahim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-29T10:41:56Z","title":"The dynamics of a self-phoretic Janus swimmer near a wall"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07988","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":"sha256:25e586638f66a561ed472e6333cdb7bb9c1463519e4d3960b12c4d750f77b1c9","target":"record","created_at":"2026-05-18T00:43:21Z","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":"b359486f7a1b3871737d2d1f0bf61b28978246e16b2a4110ec4ffc59e6246619","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-29T10:41:56Z","title_canon_sha256":"f492ad509ccef13a34fb93849c9e127069ca7e2f626d8ec05c3017394bef3a79"},"schema_version":"1.0","source":{"id":"1505.07988","kind":"arxiv","version":1}},"canonical_sha256":"762c5f66f086387676269fbfecf251401793390653ef95119f4058f2785bf21a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"762c5f66f086387676269fbfecf251401793390653ef95119f4058f2785bf21a","first_computed_at":"2026-05-18T00:43:21.361395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:21.361395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6+px1amEcw2HB2UqdlgoGHLoq2LwFldNyIYM4rRKA/55LrWy4N6HZeqscujWhNOWd1qUapVYGis7G70dLpYdBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:21.362047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.07988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25e586638f66a561ed472e6333cdb7bb9c1463519e4d3960b12c4d750f77b1c9","sha256:8cc419a4263b074649ca7d7ceb92c20a97b559ef32d67662e1667bd331a86e01"],"state_sha256":"9d66f53b0cafd8c9e0ee7f8ee4b6b366f599c6acb1fcec9a350a5ab6fc696bbd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fHDPAq5M0BQrFxG1Db41ZX5OghnKOEg44YlwW4LKkyk/Yp5UUsfUpzgiPBIWeO4X89lP/TCPtoP+qX3dXEsTCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:08:02.244855Z","bundle_sha256":"b16a3d26c69a53ae2ba29d1334b3695f67a83d6468df56a2d94a938a90f0c766"}}