{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:V3XAS5IONMMUQMAAVZARRDCFJW","short_pith_number":"pith:V3XAS5IO","schema_version":"1.0","canonical_sha256":"aeee09750e6b19483000ae41188c454dab832cd7378bf824fb280f27acd66091","source":{"kind":"arxiv","id":"1809.05914","version":1},"attestation_state":"computed","paper":{"title":"Unraveling hagfish slime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Gaurav Chaudhary, Jean-Luc Thiffeault, Randy H. Ewoldt","submitted_at":"2018-09-16T16:57:27Z","abstract_excerpt":"Hagfish slime is a unique predator defense material containing a network of long fibrous threads each ~ 10 cm in length. Hagfish release the threads in a condensed coiled state known as thread cells, or skeins (~ 100 microns), which must unravel within a fraction of a second to thwart a predator attack. Here we consider the hypothesis that viscous hydrodynamics can be responsible for this rapid unraveling, as opposed to chemical reaction kinetics alone. Our main conclusion is that, under reasonable physiological conditions, unraveling due to viscous drag can occur within a few hundred millisec"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1809.05914","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-16T16:57:27Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"00e3432f81e1c335b390808961b6e7a8e6bed49902981646e09a85c0a9a751f2","abstract_canon_sha256":"4d5e774d9adf6eacbae54b6e6062996d2f970dc27e92061b6d3cef7159bbffc6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:09.314918Z","signature_b64":"AbNlpdp60NVqJI85t79VAJxKp1aUxwHZcB6dcFXmoROM+VVorg9TJ70ERiwXeQghq8ZaH2uetP2EqTxNnvIEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aeee09750e6b19483000ae41188c454dab832cd7378bf824fb280f27acd66091","last_reissued_at":"2026-05-17T23:53:09.314340Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:09.314340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unraveling hagfish slime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Gaurav Chaudhary, Jean-Luc Thiffeault, Randy H. Ewoldt","submitted_at":"2018-09-16T16:57:27Z","abstract_excerpt":"Hagfish slime is a unique predator defense material containing a network of long fibrous threads each ~ 10 cm in length. Hagfish release the threads in a condensed coiled state known as thread cells, or skeins (~ 100 microns), which must unravel within a fraction of a second to thwart a predator attack. Here we consider the hypothesis that viscous hydrodynamics can be responsible for this rapid unraveling, as opposed to chemical reaction kinetics alone. Our main conclusion is that, under reasonable physiological conditions, unraveling due to viscous drag can occur within a few hundred millisec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05914","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1809.05914","created_at":"2026-05-17T23:53:09.314437+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.05914v1","created_at":"2026-05-17T23:53:09.314437+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05914","created_at":"2026-05-17T23:53:09.314437+00:00"},{"alias_kind":"pith_short_12","alias_value":"V3XAS5IONMMU","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"V3XAS5IONMMUQMAA","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"V3XAS5IO","created_at":"2026-05-18T12:32:56.356000+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW","json":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW.json","graph_json":"https://pith.science/api/pith-number/V3XAS5IONMMUQMAAVZARRDCFJW/graph.json","events_json":"https://pith.science/api/pith-number/V3XAS5IONMMUQMAAVZARRDCFJW/events.json","paper":"https://pith.science/paper/V3XAS5IO"},"agent_actions":{"view_html":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW","download_json":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW.json","view_paper":"https://pith.science/paper/V3XAS5IO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.05914&json=true","fetch_graph":"https://pith.science/api/pith-number/V3XAS5IONMMUQMAAVZARRDCFJW/graph.json","fetch_events":"https://pith.science/api/pith-number/V3XAS5IONMMUQMAAVZARRDCFJW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW/action/storage_attestation","attest_author":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW/action/author_attestation","sign_citation":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW/action/citation_signature","submit_replication":"https://pith.science/pith/V3XAS5IONMMUQMAAVZARRDCFJW/action/replication_record"}},"created_at":"2026-05-17T23:53:09.314437+00:00","updated_at":"2026-05-17T23:53:09.314437+00:00"}