{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:U5YP6LEJK5JOUF775IZUXQCLTL","short_pith_number":"pith:U5YP6LEJ","canonical_record":{"source":{"id":"1309.1303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-05T10:30:02Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"title_canon_sha256":"c7124184ca8cdb86541a3f5b98e53e85fdf2687d3d9dd7a50c28fb4649de30de","abstract_canon_sha256":"933502f7924a07d96d85d85f753980ccc8483b7ae07f4e52cd3d495081dd46be"},"schema_version":"1.0"},"canonical_sha256":"a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6","source":{"kind":"arxiv","id":"1309.1303","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1303","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1303v1","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1303","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"pith_short_12","alias_value":"U5YP6LEJK5JO","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"U5YP6LEJK5JOUF77","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"U5YP6LEJ","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:U5YP6LEJK5JOUF775IZUXQCLTL","target":"record","payload":{"canonical_record":{"source":{"id":"1309.1303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-05T10:30:02Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"title_canon_sha256":"c7124184ca8cdb86541a3f5b98e53e85fdf2687d3d9dd7a50c28fb4649de30de","abstract_canon_sha256":"933502f7924a07d96d85d85f753980ccc8483b7ae07f4e52cd3d495081dd46be"},"schema_version":"1.0"},"canonical_sha256":"a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:07.675514Z","signature_b64":"+A2mfuJVwsrZIfOViJkdKK4WsCdtjztOTJrBL5X0CTNncdgOi6EWFiwSPy9BE5FjChU3Whcfy8E3wFfwG234AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6","last_reissued_at":"2026-05-18T03:14:07.675120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:07.675120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.1303","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":"2026-05-18T03:14:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LZGDLm+2uGcStNA6M8cxz1eUsx6kSgoPZ6mTE1OApKZzyBrRqJKw+QlzvqO+aH+X5EF6yVkv1+BOligxGR6kCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T13:22:31.779778Z"},"content_sha256":"edd4bdede54bd0c22de51163512def7b2ab8d309a98084266635ebf777eb6a5a","schema_version":"1.0","event_id":"sha256:edd4bdede54bd0c22de51163512def7b2ab8d309a98084266635ebf777eb6a5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:U5YP6LEJK5JOUF775IZUXQCLTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry breaking cilia-driven flow in the zebrafish embryo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"primary_cat":"physics.flu-dyn","authors_text":"Andrew A. Smith, David J. Smith, John R. Blake, Thomas D. Johnson","submitted_at":"2013-09-05T10:30:02Z","abstract_excerpt":"Fluid mechanics plays a vital role in early vertebrate embryo development, an example being the establishment of left-right asymmetry. Following the dorsal-ventral and anterior-posterior axes, the left-right axis is the last to be established; in several species it has been shown that an important process involved with this is the production of a left-right asymmetric flow driven by 'whirling' cilia. It has previously been established in experimental and mathematical models of the mouse ventral node that the combination of a consistent rotational direction and posterior tilt creates left-right"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1303","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":"2026-05-18T03:14:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Q5GykjdcZ53x5p9y8mCsumic/ZWm5bkUwK7iF8Zr5ONcSQbGkLPtfIRQGhmGf7sLIjkJ0cHm1GOG4ityv5eAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T13:22:31.780531Z"},"content_sha256":"f49a91248c2e17d7254845679489ff52ee3e2b434bcd2a4faa9d57208814b33d","schema_version":"1.0","event_id":"sha256:f49a91248c2e17d7254845679489ff52ee3e2b434bcd2a4faa9d57208814b33d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5YP6LEJK5JOUF775IZUXQCLTL/bundle.json","state_url":"https://pith.science/pith/U5YP6LEJK5JOUF775IZUXQCLTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5YP6LEJK5JOUF775IZUXQCLTL/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":"2026-05-24T13:22:31Z","links":{"resolver":"https://pith.science/pith/U5YP6LEJK5JOUF775IZUXQCLTL","bundle":"https://pith.science/pith/U5YP6LEJK5JOUF775IZUXQCLTL/bundle.json","state":"https://pith.science/pith/U5YP6LEJK5JOUF775IZUXQCLTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5YP6LEJK5JOUF775IZUXQCLTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:U5YP6LEJK5JOUF775IZUXQCLTL","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":"933502f7924a07d96d85d85f753980ccc8483b7ae07f4e52cd3d495081dd46be","cross_cats_sorted":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-05T10:30:02Z","title_canon_sha256":"c7124184ca8cdb86541a3f5b98e53e85fdf2687d3d9dd7a50c28fb4649de30de"},"schema_version":"1.0","source":{"id":"1309.1303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1303","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1303v1","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1303","created_at":"2026-05-18T03:14:07Z"},{"alias_kind":"pith_short_12","alias_value":"U5YP6LEJK5JO","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"U5YP6LEJK5JOUF77","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"U5YP6LEJ","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:f49a91248c2e17d7254845679489ff52ee3e2b434bcd2a4faa9d57208814b33d","target":"graph","created_at":"2026-05-18T03:14:07Z","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":"Fluid mechanics plays a vital role in early vertebrate embryo development, an example being the establishment of left-right asymmetry. Following the dorsal-ventral and anterior-posterior axes, the left-right axis is the last to be established; in several species it has been shown that an important process involved with this is the production of a left-right asymmetric flow driven by 'whirling' cilia. It has previously been established in experimental and mathematical models of the mouse ventral node that the combination of a consistent rotational direction and posterior tilt creates left-right","authors_text":"Andrew A. Smith, David J. Smith, John R. Blake, Thomas D. Johnson","cross_cats":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-05T10:30:02Z","title":"Symmetry breaking cilia-driven flow in the zebrafish embryo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1303","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:edd4bdede54bd0c22de51163512def7b2ab8d309a98084266635ebf777eb6a5a","target":"record","created_at":"2026-05-18T03:14:07Z","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":"933502f7924a07d96d85d85f753980ccc8483b7ae07f4e52cd3d495081dd46be","cross_cats_sorted":["cond-mat.soft","physics.bio-ph","q-bio.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-05T10:30:02Z","title_canon_sha256":"c7124184ca8cdb86541a3f5b98e53e85fdf2687d3d9dd7a50c28fb4649de30de"},"schema_version":"1.0","source":{"id":"1309.1303","kind":"arxiv","version":1}},"canonical_sha256":"a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6","first_computed_at":"2026-05-18T03:14:07.675120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:07.675120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+A2mfuJVwsrZIfOViJkdKK4WsCdtjztOTJrBL5X0CTNncdgOi6EWFiwSPy9BE5FjChU3Whcfy8E3wFfwG234AA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:07.675514Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.1303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edd4bdede54bd0c22de51163512def7b2ab8d309a98084266635ebf777eb6a5a","sha256:f49a91248c2e17d7254845679489ff52ee3e2b434bcd2a4faa9d57208814b33d"],"state_sha256":"5459dd43a922c65e5bf960ea0fe3447a330f636613cae607999308bb2bf9d311"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C5rA5yf1VZzRl4P6Mb0vNsDslpDD667zbB4KUu0pAYZPNi70IBtVvjgf18Lp6LWrRc1ovNivK9sNlSrjRxpSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T13:22:31.783992Z","bundle_sha256":"187b0ae5e7a67293ff3d713f3176d141718bc607c0d4ca55256102072b3464b0"}}