{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:UG5HXERWVRKF4OOOMUNLMOBGM7","short_pith_number":"pith:UG5HXERW","canonical_record":{"source":{"id":"1010.3357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-16T14:32:05Z","cross_cats_sorted":[],"title_canon_sha256":"4776bbcdffe88cecf87ea4dbe986e0ce9bd8bfd4460e8861f598e2a8230f677d","abstract_canon_sha256":"04e5999400752543a42c2a66c06426d73ca93b1596174fbdd5d2d061d3ca6a9a"},"schema_version":"1.0"},"canonical_sha256":"a1ba7b9236ac545e39ce651ab6382667f949786adde50f6eec370fbd69dafb4a","source":{"kind":"arxiv","id":"1010.3357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3357","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3357v1","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3357","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"pith_short_12","alias_value":"UG5HXERWVRKF","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UG5HXERWVRKF4OOO","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UG5HXERW","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:UG5HXERWVRKF4OOOMUNLMOBGM7","target":"record","payload":{"canonical_record":{"source":{"id":"1010.3357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-16T14:32:05Z","cross_cats_sorted":[],"title_canon_sha256":"4776bbcdffe88cecf87ea4dbe986e0ce9bd8bfd4460e8861f598e2a8230f677d","abstract_canon_sha256":"04e5999400752543a42c2a66c06426d73ca93b1596174fbdd5d2d061d3ca6a9a"},"schema_version":"1.0"},"canonical_sha256":"a1ba7b9236ac545e39ce651ab6382667f949786adde50f6eec370fbd69dafb4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:09.346745Z","signature_b64":"q5oi060rrqtjs1K6XlQLFwrhImelbVLcQM+hIWdxaiKPmh3S3qxxSl8o9iOhnrWPIqxLV6fPvpy8ba7xRrd9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1ba7b9236ac545e39ce651ab6382667f949786adde50f6eec370fbd69dafb4a","last_reissued_at":"2026-05-18T04:39:09.346119Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:09.346119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.3357","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":"2026-05-18T04:39:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CxMcPTvXnP3OrXHrC4I8Ny1MLGtdpiP07H+fNC7DkCp4pJHbYMko4aGatIVAM5qTr4QKGi3JbBlFztyR8ZmHDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:52:04.255617Z"},"content_sha256":"4c8fd4aafee255bd8586ae4da04c87d866e4988797e9982a617549144001b8cf","schema_version":"1.0","event_id":"sha256:4c8fd4aafee255bd8586ae4da04c87d866e4988797e9982a617549144001b8cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:UG5HXERWVRKF4OOOMUNLMOBGM7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reynolds number limits for jet propulsion: A numerical study of simplified jellyfish","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Gregory Herschlag, Laura A. Miller","submitted_at":"2010-10-16T14:32:05Z","abstract_excerpt":"The Scallop Theorem states that reciprocal methods of locomotion, such as jet propulsion or paddling, will not work in Stokes flow (Reynolds number = 0). In nature the effective limit of jet propulsion is still in the range where inertial forces are significant. It appears that almost all animals that use jet propulsion swim at Reynolds numbers (Re) of about 5 or more. Juvenile squid and octopods hatch from the egg already swimming in this inertial regime. The limitations of jet propulsion at intermediate Re is explored here using the immersed boundary method to solve the two-dimensional Navie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3357","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":"2026-05-18T04:39:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZZJt9MDIc7ZjhLJs4lHvjdnh1cC/gXb95H8Dj4BHOZFHH4T/Nj59RLIpyP9NhsPVdS/X3yHY6Yu8OIDIE5a1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:52:04.255966Z"},"content_sha256":"91fd5cf38941db8a51a61eb0c409d13fbdd0461942df0eecaadbae5035ddefa3","schema_version":"1.0","event_id":"sha256:91fd5cf38941db8a51a61eb0c409d13fbdd0461942df0eecaadbae5035ddefa3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/bundle.json","state_url":"https://pith.science/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/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":"2026-06-22T09:52:04Z","links":{"resolver":"https://pith.science/pith/UG5HXERWVRKF4OOOMUNLMOBGM7","bundle":"https://pith.science/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/bundle.json","state":"https://pith.science/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UG5HXERWVRKF4OOOMUNLMOBGM7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:UG5HXERWVRKF4OOOMUNLMOBGM7","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":"04e5999400752543a42c2a66c06426d73ca93b1596174fbdd5d2d061d3ca6a9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-16T14:32:05Z","title_canon_sha256":"4776bbcdffe88cecf87ea4dbe986e0ce9bd8bfd4460e8861f598e2a8230f677d"},"schema_version":"1.0","source":{"id":"1010.3357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3357","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3357v1","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3357","created_at":"2026-05-18T04:39:09Z"},{"alias_kind":"pith_short_12","alias_value":"UG5HXERWVRKF","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UG5HXERWVRKF4OOO","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UG5HXERW","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:91fd5cf38941db8a51a61eb0c409d13fbdd0461942df0eecaadbae5035ddefa3","target":"graph","created_at":"2026-05-18T04:39:09Z","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 Scallop Theorem states that reciprocal methods of locomotion, such as jet propulsion or paddling, will not work in Stokes flow (Reynolds number = 0). In nature the effective limit of jet propulsion is still in the range where inertial forces are significant. It appears that almost all animals that use jet propulsion swim at Reynolds numbers (Re) of about 5 or more. Juvenile squid and octopods hatch from the egg already swimming in this inertial regime. The limitations of jet propulsion at intermediate Re is explored here using the immersed boundary method to solve the two-dimensional Navie","authors_text":"Gregory Herschlag, Laura A. Miller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-16T14:32:05Z","title":"Reynolds number limits for jet propulsion: A numerical study of simplified jellyfish"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3357","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":"sha256:4c8fd4aafee255bd8586ae4da04c87d866e4988797e9982a617549144001b8cf","target":"record","created_at":"2026-05-18T04:39:09Z","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":"04e5999400752543a42c2a66c06426d73ca93b1596174fbdd5d2d061d3ca6a9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-16T14:32:05Z","title_canon_sha256":"4776bbcdffe88cecf87ea4dbe986e0ce9bd8bfd4460e8861f598e2a8230f677d"},"schema_version":"1.0","source":{"id":"1010.3357","kind":"arxiv","version":1}},"canonical_sha256":"a1ba7b9236ac545e39ce651ab6382667f949786adde50f6eec370fbd69dafb4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1ba7b9236ac545e39ce651ab6382667f949786adde50f6eec370fbd69dafb4a","first_computed_at":"2026-05-18T04:39:09.346119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:09.346119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q5oi060rrqtjs1K6XlQLFwrhImelbVLcQM+hIWdxaiKPmh3S3qxxSl8o9iOhnrWPIqxLV6fPvpy8ba7xRrd9Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:09.346745Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c8fd4aafee255bd8586ae4da04c87d866e4988797e9982a617549144001b8cf","sha256:91fd5cf38941db8a51a61eb0c409d13fbdd0461942df0eecaadbae5035ddefa3"],"state_sha256":"2f782a9d1f7ff14aa2f4e5ecd3d390a0123c7ddacbafa482ab24b5e5b3eb2ebb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWR8Po+6u0pDRKg/6wKY1wcrNuqPFfOk2ndGBbVtutV87oOY8TkkoLPoqp80457sOiLF0KDDL1vXpaWcJMw+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T09:52:04.257947Z","bundle_sha256":"b8094bf7c9f892274509982e3a4f77d55d556595e430a754b7602c3008e6367f"}}