{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:S7XEHVJE3MPRDNZXU24IAU6GMH","short_pith_number":"pith:S7XEHVJE","schema_version":"1.0","canonical_sha256":"97ee43d524db1f11b737a6b88053c661d91eae267de3d7c7c9ca5ad4941a931c","source":{"kind":"arxiv","id":"2505.05254","version":1},"attestation_state":"computed","paper":{"title":"Partitioning Law of Polymer Chains into Flexible Polymer Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.bio-ph","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Haruki Takarai, Naoyuki Sakumichi, Takamasa Sakai, Takashi Yasuda","submitted_at":"2025-05-08T14:01:22Z","abstract_excerpt":"The equilibrium partitioning of linear polymer chains into flexible polymer networks is governed by intricate entropic constraints arising from configurational degrees of freedom of both chains and network, yet a quantitative understanding remains elusive. Using model hydrogels with precisely defined network structures, we experimentally reveal a universal law governing linear polymer partitioning into flexible polymer networks. We establish a novel label-free, contactless method to measure partition ratio, based on the increase in osmotic pressure induced by external polymer chains partitioni"},"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":"2505.05254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-05-08T14:01:22Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.bio-ph","physics.chem-ph"],"title_canon_sha256":"b3d36c0962254f7120ab7a14f77a7a8ab7f410d543111417d947fbf4b2c0a73a","abstract_canon_sha256":"b95149a41390d8808f02a832d76cccca26489a91cf693193c136c9a48b6ead19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:00:21.456567Z","signature_b64":"2WHVeX726v1hLcVZTzySjVy4tSscWzrTuS4nk724nNglgLgiE80a9VkzbSXnoUllnslIoqEe8GI9l/KjU1rsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97ee43d524db1f11b737a6b88053c661d91eae267de3d7c7c9ca5ad4941a931c","last_reissued_at":"2026-07-05T11:00:21.456001Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:00:21.456001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Partitioning Law of Polymer Chains into Flexible Polymer Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.bio-ph","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Haruki Takarai, Naoyuki Sakumichi, Takamasa Sakai, Takashi Yasuda","submitted_at":"2025-05-08T14:01:22Z","abstract_excerpt":"The equilibrium partitioning of linear polymer chains into flexible polymer networks is governed by intricate entropic constraints arising from configurational degrees of freedom of both chains and network, yet a quantitative understanding remains elusive. Using model hydrogels with precisely defined network structures, we experimentally reveal a universal law governing linear polymer partitioning into flexible polymer networks. We establish a novel label-free, contactless method to measure partition ratio, based on the increase in osmotic pressure induced by external polymer chains partitioni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.05254","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.05254/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2505.05254","created_at":"2026-07-05T11:00:21.456063+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.05254v1","created_at":"2026-07-05T11:00:21.456063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.05254","created_at":"2026-07-05T11:00:21.456063+00:00"},{"alias_kind":"pith_short_12","alias_value":"S7XEHVJE3MPR","created_at":"2026-07-05T11:00:21.456063+00:00"},{"alias_kind":"pith_short_16","alias_value":"S7XEHVJE3MPRDNZX","created_at":"2026-07-05T11:00:21.456063+00:00"},{"alias_kind":"pith_short_8","alias_value":"S7XEHVJE","created_at":"2026-07-05T11:00:21.456063+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.05254","citing_title":"Partitioning Law of Polymer Chains into Flexible Polymer Networks","ref_index":19,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH","json":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH.json","graph_json":"https://pith.science/api/pith-number/S7XEHVJE3MPRDNZXU24IAU6GMH/graph.json","events_json":"https://pith.science/api/pith-number/S7XEHVJE3MPRDNZXU24IAU6GMH/events.json","paper":"https://pith.science/paper/S7XEHVJE"},"agent_actions":{"view_html":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH","download_json":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH.json","view_paper":"https://pith.science/paper/S7XEHVJE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.05254&json=true","fetch_graph":"https://pith.science/api/pith-number/S7XEHVJE3MPRDNZXU24IAU6GMH/graph.json","fetch_events":"https://pith.science/api/pith-number/S7XEHVJE3MPRDNZXU24IAU6GMH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH/action/storage_attestation","attest_author":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH/action/author_attestation","sign_citation":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH/action/citation_signature","submit_replication":"https://pith.science/pith/S7XEHVJE3MPRDNZXU24IAU6GMH/action/replication_record"}},"created_at":"2026-07-05T11:00:21.456063+00:00","updated_at":"2026-07-05T11:00:21.456063+00:00"}