{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6COTHCZT5USSB7WUBMVVKVIYJU","short_pith_number":"pith:6COTHCZT","canonical_record":{"source":{"id":"2301.05356","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-01-13T01:36:13Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"c544d0abd8da09cffddfc533552336f4494929c16637f6cf485750bd6d07427c","abstract_canon_sha256":"fdacd5a1489ab1b9e6cef872ba3ef64526dc6afc70aa3bd4768ec5e906e0f669"},"schema_version":"1.0"},"canonical_sha256":"f09d338b33ed2520fed40b2b5555184d24485c4722296126178dddc74a114dbf","source":{"kind":"arxiv","id":"2301.05356","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.05356","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"arxiv_version","alias_value":"2301.05356v2","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.05356","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_12","alias_value":"6COTHCZT5USS","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_16","alias_value":"6COTHCZT5USSB7WU","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_8","alias_value":"6COTHCZT","created_at":"2026-07-05T06:28:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6COTHCZT5USSB7WUBMVVKVIYJU","target":"record","payload":{"canonical_record":{"source":{"id":"2301.05356","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-01-13T01:36:13Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"c544d0abd8da09cffddfc533552336f4494929c16637f6cf485750bd6d07427c","abstract_canon_sha256":"fdacd5a1489ab1b9e6cef872ba3ef64526dc6afc70aa3bd4768ec5e906e0f669"},"schema_version":"1.0"},"canonical_sha256":"f09d338b33ed2520fed40b2b5555184d24485c4722296126178dddc74a114dbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:28:15.941396Z","signature_b64":"fK0Xgtxu+fNAabjy8aBpkVs77ZwKWynz2zRcax7HBkDdJaVhupVgCGIhlTw2JU+UJMb37O3vAHEI/MCJt4EZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f09d338b33ed2520fed40b2b5555184d24485c4722296126178dddc74a114dbf","last_reissued_at":"2026-07-05T06:28:15.940977Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:28:15.940977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.05356","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A0I3zFZBFBIrm6DuK5lpnreV4JoKn9zA4Df7JNUcOvD48Wanp5XgNAHEDeAJMD1nlDzjMdoHJbJiUJ+LuX79AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:21:30.527730Z"},"content_sha256":"bff05de04639102c4e301507ae8af8b641f5a6dc365b25ad2767b51b0dea3652","schema_version":"1.0","event_id":"sha256:bff05de04639102c4e301507ae8af8b641f5a6dc365b25ad2767b51b0dea3652"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6COTHCZT5USSB7WUBMVVKVIYJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulation Study of the Effects of Polymer Network Dynamics and Mesh Confinement on the Diffusion and Structural Relaxation of Penetrants","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Baicheng Mei, Charles E. Sing, Kenneth S. Schweizer, Tsai-Wei Lin","submitted_at":"2023-01-13T01:36:13Z","abstract_excerpt":"The diffusion of small molecular penetrants through polymeric materials represents an important fundamental problem, relevant to the design of materials for applications such as coatings and membranes. Polymer networks hold promise in these applications, because dramatic differences in molecular diffusion can result from subtle changes in the network structure. In this paper, we use molecular simulation to understand the role that crosslinked network polymers have in governing the molecular motion of penetrants. By considering the local, activated alpha relaxation time of the penetrant and its"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.05356","kind":"arxiv","version":2},"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/2301.05356/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wipksAk2Dstq6YpyalDjVMcllftJu/S1TRcgVzjoO9Gif1J1nXC2OJvrSZ/sRC50uHchvZQi2fQYcQl8v0H2Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:21:30.528518Z"},"content_sha256":"3416fb8df7c8ee39a93098da4533569da3deba954c6f3a8be706a5f3d927e93c","schema_version":"1.0","event_id":"sha256:3416fb8df7c8ee39a93098da4533569da3deba954c6f3a8be706a5f3d927e93c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6COTHCZT5USSB7WUBMVVKVIYJU/bundle.json","state_url":"https://pith.science/pith/6COTHCZT5USSB7WUBMVVKVIYJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6COTHCZT5USSB7WUBMVVKVIYJU/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":"2026-08-22T23:21:30Z","links":{"resolver":"https://pith.science/pith/6COTHCZT5USSB7WUBMVVKVIYJU","bundle":"https://pith.science/pith/6COTHCZT5USSB7WUBMVVKVIYJU/bundle.json","state":"https://pith.science/pith/6COTHCZT5USSB7WUBMVVKVIYJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6COTHCZT5USSB7WUBMVVKVIYJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6COTHCZT5USSB7WUBMVVKVIYJU","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":"fdacd5a1489ab1b9e6cef872ba3ef64526dc6afc70aa3bd4768ec5e906e0f669","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-01-13T01:36:13Z","title_canon_sha256":"c544d0abd8da09cffddfc533552336f4494929c16637f6cf485750bd6d07427c"},"schema_version":"1.0","source":{"id":"2301.05356","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.05356","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"arxiv_version","alias_value":"2301.05356v2","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.05356","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_12","alias_value":"6COTHCZT5USS","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_16","alias_value":"6COTHCZT5USSB7WU","created_at":"2026-07-05T06:28:15Z"},{"alias_kind":"pith_short_8","alias_value":"6COTHCZT","created_at":"2026-07-05T06:28:15Z"}],"graph_snapshots":[{"event_id":"sha256:3416fb8df7c8ee39a93098da4533569da3deba954c6f3a8be706a5f3d927e93c","target":"graph","created_at":"2026-07-05T06:28:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2301.05356/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The diffusion of small molecular penetrants through polymeric materials represents an important fundamental problem, relevant to the design of materials for applications such as coatings and membranes. Polymer networks hold promise in these applications, because dramatic differences in molecular diffusion can result from subtle changes in the network structure. In this paper, we use molecular simulation to understand the role that crosslinked network polymers have in governing the molecular motion of penetrants. By considering the local, activated alpha relaxation time of the penetrant and its","authors_text":"Baicheng Mei, Charles E. Sing, Kenneth S. Schweizer, Tsai-Wei Lin","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-01-13T01:36:13Z","title":"Simulation Study of the Effects of Polymer Network Dynamics and Mesh Confinement on the Diffusion and Structural Relaxation of Penetrants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.05356","kind":"arxiv","version":2},"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:bff05de04639102c4e301507ae8af8b641f5a6dc365b25ad2767b51b0dea3652","target":"record","created_at":"2026-07-05T06:28:15Z","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":"fdacd5a1489ab1b9e6cef872ba3ef64526dc6afc70aa3bd4768ec5e906e0f669","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-01-13T01:36:13Z","title_canon_sha256":"c544d0abd8da09cffddfc533552336f4494929c16637f6cf485750bd6d07427c"},"schema_version":"1.0","source":{"id":"2301.05356","kind":"arxiv","version":2}},"canonical_sha256":"f09d338b33ed2520fed40b2b5555184d24485c4722296126178dddc74a114dbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f09d338b33ed2520fed40b2b5555184d24485c4722296126178dddc74a114dbf","first_computed_at":"2026-07-05T06:28:15.940977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:28:15.940977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fK0Xgtxu+fNAabjy8aBpkVs77ZwKWynz2zRcax7HBkDdJaVhupVgCGIhlTw2JU+UJMb37O3vAHEI/MCJt4EZAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:28:15.941396Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.05356","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bff05de04639102c4e301507ae8af8b641f5a6dc365b25ad2767b51b0dea3652","sha256:3416fb8df7c8ee39a93098da4533569da3deba954c6f3a8be706a5f3d927e93c"],"state_sha256":"4ff1e4f4d14eb3c2623abb82e40c55aa0f7ddac1f74638046abde415c3938ea1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tlfeR+puhSSeOgSJGuDWj5j8M+/ZBQFSVYP52iTymw/YYtaRIJEChEhY4OZybbFOpHVOQspZIi/fGBmDAhYXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T23:21:30.533173Z","bundle_sha256":"63768583871c4ac778a9e880b0b8618710c9c73c325f5d942f2f5ed49585ac11"}}