{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MLJD74NO3AVYVJ4OTI3V74ICZK","short_pith_number":"pith:MLJD74NO","canonical_record":{"source":{"id":"1502.00242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-02-01T12:33:52Z","cross_cats_sorted":[],"title_canon_sha256":"8e8adf809a0dd3d486230f3d069b221250009319a4f240672d2177d42c38d05d","abstract_canon_sha256":"4b0dd32420ab9ba6eadceccc4eb10125071d4e8505ea1bb3fb596738e7f47611"},"schema_version":"1.0"},"canonical_sha256":"62d23ff1aed82b8aa78e9a375ff102caa05dad5d8463249367062947d4f4d444","source":{"kind":"arxiv","id":"1502.00242","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00242","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00242v1","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00242","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"MLJD74NO3AVY","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MLJD74NO3AVYVJ4O","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MLJD74NO","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MLJD74NO3AVYVJ4OTI3V74ICZK","target":"record","payload":{"canonical_record":{"source":{"id":"1502.00242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-02-01T12:33:52Z","cross_cats_sorted":[],"title_canon_sha256":"8e8adf809a0dd3d486230f3d069b221250009319a4f240672d2177d42c38d05d","abstract_canon_sha256":"4b0dd32420ab9ba6eadceccc4eb10125071d4e8505ea1bb3fb596738e7f47611"},"schema_version":"1.0"},"canonical_sha256":"62d23ff1aed82b8aa78e9a375ff102caa05dad5d8463249367062947d4f4d444","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:06.954781Z","signature_b64":"9ba76gmaSRIiV4hijlmzg1J9XHvu6gC21aNbnopZp0VCLb7Mtfh6/sBcQFplz0aumWtWGSLkxeJZDAEYSnvuAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62d23ff1aed82b8aa78e9a375ff102caa05dad5d8463249367062947d4f4d444","last_reissued_at":"2026-05-18T02:04:06.954238Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:06.954238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.00242","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":"2026-05-18T02:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lA75h+pjGh0rmVBYhGzTrJmpQbvXqYlrmaAMOyhtZ7bLBmIyMZ4iJRDkcKNZtZgmFzVFUIC6qDyzH0zW+M5fAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:32:51.292356Z"},"content_sha256":"25e10971d0157177a71416b7cc6c2791a6fe5fb992a466d3ae67790d924269a6","schema_version":"1.0","event_id":"sha256:25e10971d0157177a71416b7cc6c2791a6fe5fb992a466d3ae67790d924269a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MLJD74NO3AVYVJ4OTI3V74ICZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stokesian swimmers and active particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"B. U. Felderhof","submitted_at":"2015-02-01T12:33:52Z","abstract_excerpt":"The net steady state flow pattern of a distorting sphere is studied in the framework of the bilinear theory of swimming at low Reynolds number. It is argued that the starting point of a theory of interacting active particles should be based on such a calculation, since any arbitrarily chosen steady state flow pattern is not necessarily the result of a swimming motion. Furthermore, it is stressed that as a rule the phase of stroke is relevant in hydrodynamic interactions, so that the net flow pattern must be used with caution."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00242","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":"2026-05-18T02:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybY30FSGOL0wXgKfOLOtqcRI2X9ib1bvKnlttuRmWyN+TUqzLorOb+atlmyqsog/vVxs3CI8yEAh6/h7AKRnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:32:51.292700Z"},"content_sha256":"cae025070cd327eb9d3a98c59a34593324a59768cd06d53e0d70dc090a6144a3","schema_version":"1.0","event_id":"sha256:cae025070cd327eb9d3a98c59a34593324a59768cd06d53e0d70dc090a6144a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/bundle.json","state_url":"https://pith.science/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/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":"2026-06-26T13:32:51Z","links":{"resolver":"https://pith.science/pith/MLJD74NO3AVYVJ4OTI3V74ICZK","bundle":"https://pith.science/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/bundle.json","state":"https://pith.science/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MLJD74NO3AVYVJ4OTI3V74ICZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MLJD74NO3AVYVJ4OTI3V74ICZK","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":"4b0dd32420ab9ba6eadceccc4eb10125071d4e8505ea1bb3fb596738e7f47611","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-02-01T12:33:52Z","title_canon_sha256":"8e8adf809a0dd3d486230f3d069b221250009319a4f240672d2177d42c38d05d"},"schema_version":"1.0","source":{"id":"1502.00242","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00242","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00242v1","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00242","created_at":"2026-05-18T02:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"MLJD74NO3AVY","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MLJD74NO3AVYVJ4O","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MLJD74NO","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:cae025070cd327eb9d3a98c59a34593324a59768cd06d53e0d70dc090a6144a3","target":"graph","created_at":"2026-05-18T02:04:06Z","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":"The net steady state flow pattern of a distorting sphere is studied in the framework of the bilinear theory of swimming at low Reynolds number. It is argued that the starting point of a theory of interacting active particles should be based on such a calculation, since any arbitrarily chosen steady state flow pattern is not necessarily the result of a swimming motion. Furthermore, it is stressed that as a rule the phase of stroke is relevant in hydrodynamic interactions, so that the net flow pattern must be used with caution.","authors_text":"B. U. Felderhof","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-02-01T12:33:52Z","title":"Stokesian swimmers and active particles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00242","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":"sha256:25e10971d0157177a71416b7cc6c2791a6fe5fb992a466d3ae67790d924269a6","target":"record","created_at":"2026-05-18T02:04:06Z","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":"4b0dd32420ab9ba6eadceccc4eb10125071d4e8505ea1bb3fb596738e7f47611","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-02-01T12:33:52Z","title_canon_sha256":"8e8adf809a0dd3d486230f3d069b221250009319a4f240672d2177d42c38d05d"},"schema_version":"1.0","source":{"id":"1502.00242","kind":"arxiv","version":1}},"canonical_sha256":"62d23ff1aed82b8aa78e9a375ff102caa05dad5d8463249367062947d4f4d444","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62d23ff1aed82b8aa78e9a375ff102caa05dad5d8463249367062947d4f4d444","first_computed_at":"2026-05-18T02:04:06.954238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:06.954238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ba76gmaSRIiV4hijlmzg1J9XHvu6gC21aNbnopZp0VCLb7Mtfh6/sBcQFplz0aumWtWGSLkxeJZDAEYSnvuAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:06.954781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.00242","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25e10971d0157177a71416b7cc6c2791a6fe5fb992a466d3ae67790d924269a6","sha256:cae025070cd327eb9d3a98c59a34593324a59768cd06d53e0d70dc090a6144a3"],"state_sha256":"96fd211555cd02db953a0b07b2ae02f702948785289be38aaeb83c3393cfae35"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9RsMgw9LxZz0oS7sgri23KG7r5FxHPS2F+jQggZZclfPZUbGZURrnPzSOZT16Yrr6XOX0nDF8H2ks0kNpGA3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T13:32:51.294676Z","bundle_sha256":"9a86a99106546600a1ed7e88830f60adcc59487cf046fc21f8ff31fb388caeaf"}}