{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4ORAKOTGRYANLW7E6KYZKGA7F3","short_pith_number":"pith:4ORAKOTG","canonical_record":{"source":{"id":"1010.3709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-18T20:03:44Z","cross_cats_sorted":[],"title_canon_sha256":"35767998d957339fbb593fc05872061a993d3463047cbbe65e12fcd36149d3a8","abstract_canon_sha256":"28c66117666328372210230017c72a7bec8360299acfdc19a2f35b8f4a62e00a"},"schema_version":"1.0"},"canonical_sha256":"e3a2053a668e00d5dbe4f2b195181f2ec0fefb4966c6fc48374cbd263665304f","source":{"kind":"arxiv","id":"1010.3709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3709","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3709v1","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3709","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"pith_short_12","alias_value":"4ORAKOTGRYAN","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"4ORAKOTGRYANLW7E","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"4ORAKOTG","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4ORAKOTGRYANLW7E6KYZKGA7F3","target":"record","payload":{"canonical_record":{"source":{"id":"1010.3709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-18T20:03:44Z","cross_cats_sorted":[],"title_canon_sha256":"35767998d957339fbb593fc05872061a993d3463047cbbe65e12fcd36149d3a8","abstract_canon_sha256":"28c66117666328372210230017c72a7bec8360299acfdc19a2f35b8f4a62e00a"},"schema_version":"1.0"},"canonical_sha256":"e3a2053a668e00d5dbe4f2b195181f2ec0fefb4966c6fc48374cbd263665304f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:07.729054Z","signature_b64":"Js1ZLdscvLB8NgJiHJrL7az8GjAMUx9I+e87vlqleqovOvbu49q6oe7PEBLb94EWLl8iv5g/wFP5tRPE0J+DBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3a2053a668e00d5dbe4f2b195181f2ec0fefb4966c6fc48374cbd263665304f","last_reissued_at":"2026-05-18T04:39:07.728288Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:07.728288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.3709","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":"2026-05-18T04:39:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UQnIrrh1h2icf9T6H5G39I5JQHU5NVZxz02x1/ZfFdjVVzlCTwvBZsG89zrtZP/aBbAXxv7eDL7poOBK4F9IDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:54.461091Z"},"content_sha256":"64a2113c18ce07f5e7197423cdd6b8d85ab6aee4fc58c3027238dd6a45fceef5","schema_version":"1.0","event_id":"sha256:64a2113c18ce07f5e7197423cdd6b8d85ab6aee4fc58c3027238dd6a45fceef5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4ORAKOTGRYANLW7E6KYZKGA7F3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Locomotion of C. elegans in Structured Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Eric Keaveny, Jun Zhang, Mike Shelley, Trushant S. Majmudar","submitted_at":"2010-10-18T20:03:44Z","abstract_excerpt":"Undulatory locomotion of microorganisms like soil-dwelling worms and spermatozoa, in structured environments, is ubiquitous in nature. They navigate complex environments consisting of fluids and obstacles, negotiating hydrodynamic effects and geometrical constraints. Here, we show fluid dynamics videos of experiments and simulations of {\\textit {C. elegans}} moving in an array of micro-pillars. In addition, we show a video of transition from swimming to crawling in drop of {\\textit {C. elegans}}, where the fluid is wicking into agar."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3709","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":"2026-05-18T04:39:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eFE3M/q6R+e6DEUkR9xI/y9QpOG62ObofsQgOXXI7lnqTo7rgiwK7yANaHfqYLxrNZP1RtTjiGTzSYc8UTJLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:54.461444Z"},"content_sha256":"51752b3326d1f6d49aae0717358e553dacc6dd31217104403cf3be24aadaeccc","schema_version":"1.0","event_id":"sha256:51752b3326d1f6d49aae0717358e553dacc6dd31217104403cf3be24aadaeccc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/bundle.json","state_url":"https://pith.science/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/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":"2026-06-02T07:59:54Z","links":{"resolver":"https://pith.science/pith/4ORAKOTGRYANLW7E6KYZKGA7F3","bundle":"https://pith.science/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/bundle.json","state":"https://pith.science/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ORAKOTGRYANLW7E6KYZKGA7F3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4ORAKOTGRYANLW7E6KYZKGA7F3","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":"28c66117666328372210230017c72a7bec8360299acfdc19a2f35b8f4a62e00a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-18T20:03:44Z","title_canon_sha256":"35767998d957339fbb593fc05872061a993d3463047cbbe65e12fcd36149d3a8"},"schema_version":"1.0","source":{"id":"1010.3709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3709","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3709v1","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3709","created_at":"2026-05-18T04:39:07Z"},{"alias_kind":"pith_short_12","alias_value":"4ORAKOTGRYAN","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"4ORAKOTGRYANLW7E","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"4ORAKOTG","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:51752b3326d1f6d49aae0717358e553dacc6dd31217104403cf3be24aadaeccc","target":"graph","created_at":"2026-05-18T04:39:07Z","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":"Undulatory locomotion of microorganisms like soil-dwelling worms and spermatozoa, in structured environments, is ubiquitous in nature. They navigate complex environments consisting of fluids and obstacles, negotiating hydrodynamic effects and geometrical constraints. Here, we show fluid dynamics videos of experiments and simulations of {\\textit {C. elegans}} moving in an array of micro-pillars. In addition, we show a video of transition from swimming to crawling in drop of {\\textit {C. elegans}}, where the fluid is wicking into agar.","authors_text":"Eric Keaveny, Jun Zhang, Mike Shelley, Trushant S. Majmudar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-18T20:03:44Z","title":"Locomotion of C. elegans in Structured Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3709","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":"sha256:64a2113c18ce07f5e7197423cdd6b8d85ab6aee4fc58c3027238dd6a45fceef5","target":"record","created_at":"2026-05-18T04:39:07Z","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":"28c66117666328372210230017c72a7bec8360299acfdc19a2f35b8f4a62e00a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-18T20:03:44Z","title_canon_sha256":"35767998d957339fbb593fc05872061a993d3463047cbbe65e12fcd36149d3a8"},"schema_version":"1.0","source":{"id":"1010.3709","kind":"arxiv","version":1}},"canonical_sha256":"e3a2053a668e00d5dbe4f2b195181f2ec0fefb4966c6fc48374cbd263665304f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3a2053a668e00d5dbe4f2b195181f2ec0fefb4966c6fc48374cbd263665304f","first_computed_at":"2026-05-18T04:39:07.728288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:07.728288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Js1ZLdscvLB8NgJiHJrL7az8GjAMUx9I+e87vlqleqovOvbu49q6oe7PEBLb94EWLl8iv5g/wFP5tRPE0J+DBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:07.729054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64a2113c18ce07f5e7197423cdd6b8d85ab6aee4fc58c3027238dd6a45fceef5","sha256:51752b3326d1f6d49aae0717358e553dacc6dd31217104403cf3be24aadaeccc"],"state_sha256":"68fdbdbb6fe2fd657e92405b1d2f374153381bf2635f9da80b3be19d85794d9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8qS/FURPNhnLYxuHJVaXYGgjxw0A5xAiVofLzsCMdZo67r9Q/AoTrcq/ZEgzUGwln3sdDzuv59PupoiCnDLpCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:59:54.463211Z","bundle_sha256":"fd99b4b6e51731ab182ed9d974a285caff70961c1a947f9c7a1317c1adf7cd2f"}}