{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NHESYJI5J4OHLGDI7EZPLKOLUG","short_pith_number":"pith:NHESYJI5","canonical_record":{"source":{"id":"1601.00031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-12-31T23:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"8c2e443fe6ad864bb00bb2e194dc9753ca88ae86152bf179bf783bcad4ab4718","abstract_canon_sha256":"b7abea5ce2a68e1c861ba830d6cf3b302dd979ee1f6229d2de0fa03822a6b600"},"schema_version":"1.0"},"canonical_sha256":"69c92c251d4f1c759868f932f5a9cba1b48ef75f96f1e326ea6c346a57b8b6ff","source":{"kind":"arxiv","id":"1601.00031","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00031","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00031v1","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00031","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"pith_short_12","alias_value":"NHESYJI5J4OH","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NHESYJI5J4OHLGDI","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NHESYJI5","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NHESYJI5J4OHLGDI7EZPLKOLUG","target":"record","payload":{"canonical_record":{"source":{"id":"1601.00031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-12-31T23:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"8c2e443fe6ad864bb00bb2e194dc9753ca88ae86152bf179bf783bcad4ab4718","abstract_canon_sha256":"b7abea5ce2a68e1c861ba830d6cf3b302dd979ee1f6229d2de0fa03822a6b600"},"schema_version":"1.0"},"canonical_sha256":"69c92c251d4f1c759868f932f5a9cba1b48ef75f96f1e326ea6c346a57b8b6ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:06.292381Z","signature_b64":"xHJlowkttsnAgz0PfMMkKT+4JwW88V4eujB9q0D3FBsJnKeWn1rFoMOSC8vqfbUhwmob3qzGHUsl14dc4W7wAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69c92c251d4f1c759868f932f5a9cba1b48ef75f96f1e326ea6c346a57b8b6ff","last_reissued_at":"2026-05-18T01:20:06.291727Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:06.291727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.00031","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":"2026-05-18T01:20:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"alUr3BuWy/ZCfjZGKpfUXaTzHjA9VpQrftZuYNWDqEzu5VQYH4r8ESQsFqUoQgHJnoxJnR64sAJuBkMsNuIGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:24:20.700525Z"},"content_sha256":"831834d8386261dd9620ee8b9f33874540c3baa5925fc9210f503d5488d39c6c","schema_version":"1.0","event_id":"sha256:831834d8386261dd9620ee8b9f33874540c3baa5925fc9210f503d5488d39c6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NHESYJI5J4OHLGDI7EZPLKOLUG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Depletion-Induced Forces and Crowding in Polymer-Nanoparticle Mixtures: Role of Polymer Shape Fluctuations and Penetrability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alan R. Denton, Wei Kang Lim","submitted_at":"2015-12-31T23:48:37Z","abstract_excerpt":"Depletion forces and macromolecular crowding govern the structure and function of biopolymers in biological cells and the properties of polymer nanocomposite materials. To isolate and analyze the influence of polymer shape fluctuations and penetrability on depletion-induced interactions and crowding by nanoparticles, we model polymers as effective penetrable ellipsoids, whose shapes fluctuate according to the probability distributions of the eigenvalues of the gyration tensor of an ideal random walk. Within this model, we apply Monte Carlo simulation methods to compute the depletion-induced po"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00031","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":"2026-05-18T01:20:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QKib/py3PoJFql+b4HsBsx8l7/zd7OXHSdh0JLU7HUG/6+gsZOHVEodjm7G9yq8vidIGfEz96oQO8AAXkE/qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:24:20.700862Z"},"content_sha256":"722ff8d88b151b781142f3d454b85619290c8361425a443fd5f9968ed926a5f4","schema_version":"1.0","event_id":"sha256:722ff8d88b151b781142f3d454b85619290c8361425a443fd5f9968ed926a5f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/bundle.json","state_url":"https://pith.science/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/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":"2026-06-28T22:24:20Z","links":{"resolver":"https://pith.science/pith/NHESYJI5J4OHLGDI7EZPLKOLUG","bundle":"https://pith.science/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/bundle.json","state":"https://pith.science/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NHESYJI5J4OHLGDI7EZPLKOLUG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NHESYJI5J4OHLGDI7EZPLKOLUG","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":"b7abea5ce2a68e1c861ba830d6cf3b302dd979ee1f6229d2de0fa03822a6b600","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-12-31T23:48:37Z","title_canon_sha256":"8c2e443fe6ad864bb00bb2e194dc9753ca88ae86152bf179bf783bcad4ab4718"},"schema_version":"1.0","source":{"id":"1601.00031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00031","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00031v1","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00031","created_at":"2026-05-18T01:20:06Z"},{"alias_kind":"pith_short_12","alias_value":"NHESYJI5J4OH","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NHESYJI5J4OHLGDI","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NHESYJI5","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:722ff8d88b151b781142f3d454b85619290c8361425a443fd5f9968ed926a5f4","target":"graph","created_at":"2026-05-18T01:20:06Z","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":"Depletion forces and macromolecular crowding govern the structure and function of biopolymers in biological cells and the properties of polymer nanocomposite materials. To isolate and analyze the influence of polymer shape fluctuations and penetrability on depletion-induced interactions and crowding by nanoparticles, we model polymers as effective penetrable ellipsoids, whose shapes fluctuate according to the probability distributions of the eigenvalues of the gyration tensor of an ideal random walk. Within this model, we apply Monte Carlo simulation methods to compute the depletion-induced po","authors_text":"Alan R. Denton, Wei Kang Lim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-12-31T23:48:37Z","title":"Depletion-Induced Forces and Crowding in Polymer-Nanoparticle Mixtures: Role of Polymer Shape Fluctuations and Penetrability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00031","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":"sha256:831834d8386261dd9620ee8b9f33874540c3baa5925fc9210f503d5488d39c6c","target":"record","created_at":"2026-05-18T01:20:06Z","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":"b7abea5ce2a68e1c861ba830d6cf3b302dd979ee1f6229d2de0fa03822a6b600","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-12-31T23:48:37Z","title_canon_sha256":"8c2e443fe6ad864bb00bb2e194dc9753ca88ae86152bf179bf783bcad4ab4718"},"schema_version":"1.0","source":{"id":"1601.00031","kind":"arxiv","version":1}},"canonical_sha256":"69c92c251d4f1c759868f932f5a9cba1b48ef75f96f1e326ea6c346a57b8b6ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69c92c251d4f1c759868f932f5a9cba1b48ef75f96f1e326ea6c346a57b8b6ff","first_computed_at":"2026-05-18T01:20:06.291727Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:06.291727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xHJlowkttsnAgz0PfMMkKT+4JwW88V4eujB9q0D3FBsJnKeWn1rFoMOSC8vqfbUhwmob3qzGHUsl14dc4W7wAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:06.292381Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:831834d8386261dd9620ee8b9f33874540c3baa5925fc9210f503d5488d39c6c","sha256:722ff8d88b151b781142f3d454b85619290c8361425a443fd5f9968ed926a5f4"],"state_sha256":"006dfc6fa618eb8267ba3c566df56d5b46e099f8f4a7d5b6ace6da5667437893"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H1jqZYzqmTYvX+tyUeDyaYsGm1nraW3tfgOOLoCUNlDIOd5Xn9EeAjtZEeFhqRIxk9O+hnzuhVczHRhb02xRAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T22:24:20.702719Z","bundle_sha256":"68a639d84d5907d44f995af160325fe42258b988685658aa204358bb1eb11881"}}