{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7BU3VL6R4BZ37QHJV7IV47V4PN","short_pith_number":"pith:7BU3VL6R","canonical_record":{"source":{"id":"1507.01721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-07-07T09:27:41Z","cross_cats_sorted":[],"title_canon_sha256":"df53da4dc0b0c4b8fbf23a551635c95b7c1d92c4b6a35cf24702c6c8c778cb49","abstract_canon_sha256":"02ef846ac4af55e1344e8279fc42dcb7f50972d9ab528e699be2d6645e075f1b"},"schema_version":"1.0"},"canonical_sha256":"f869baafd1e073bfc0e9afd15e7ebc7b441583f98b8c479635a567f2068e190e","source":{"kind":"arxiv","id":"1507.01721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01721","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01721v1","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01721","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"7BU3VL6R4BZ3","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7BU3VL6R4BZ37QHJ","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7BU3VL6R","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7BU3VL6R4BZ37QHJV7IV47V4PN","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-07-07T09:27:41Z","cross_cats_sorted":[],"title_canon_sha256":"df53da4dc0b0c4b8fbf23a551635c95b7c1d92c4b6a35cf24702c6c8c778cb49","abstract_canon_sha256":"02ef846ac4af55e1344e8279fc42dcb7f50972d9ab528e699be2d6645e075f1b"},"schema_version":"1.0"},"canonical_sha256":"f869baafd1e073bfc0e9afd15e7ebc7b441583f98b8c479635a567f2068e190e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:52.572205Z","signature_b64":"1vFXDe1D5g29RRRp5d9mmjkQM944igoC17eYIlTSZsuvtixa6CLoUr123wFnDR+Z4S6KR6sGl7U928xSzJnBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f869baafd1e073bfc0e9afd15e7ebc7b441583f98b8c479635a567f2068e190e","last_reissued_at":"2026-05-18T01:36:52.571501Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:52.571501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01721","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":"2026-05-18T01:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uMUNdGl//V++JqEnXzvjHj/J/geHUMRRv8FstkRBM/h4hMPYMK9LXjArgQP9LUyP5oJnO9b+sM842Xq6Z+9PCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T20:00:32.698635Z"},"content_sha256":"4b79665920fc3f1263eccf38005afb08e0b3114702d475f7dbdfb994325319ce","schema_version":"1.0","event_id":"sha256:4b79665920fc3f1263eccf38005afb08e0b3114702d475f7dbdfb994325319ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7BU3VL6R4BZ37QHJV7IV47V4PN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ion Density Deviations in Semipermeable Ionic Microcapsules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alan R. Denton, Qiyun Tang","submitted_at":"2015-07-07T09:27:41Z","abstract_excerpt":"By implementing the nonlinear Poisson-Boltzmann theory in a cell model, we theoretically investigate the influence of polyelectrolye gel permeability on ion densities and pH deviations inside the cavities of ionic microcapsules. Our calculations show that variations in permeability of a charged capsule shell cause a redistribution of ion densities within the capsule, which ultimately affects the pH deviation and Donnan potential induced by the electric field of the shell. We find that semipermeable capsules can induce larger pH deviations inside their cavities that can permeable capsules. Furt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01721","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":"2026-05-18T01:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b6+QDG/o615QkDiJhtyURhle/qMCrFoFjtZOhxmhQKcsJY2G4u5L3+2Blk4xX96SoCrjhiIKOX+73dBKTlo6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T20:00:32.698974Z"},"content_sha256":"33bdbe048b63064bc93315dabe3a9b09ae163d213c5251832c6b0bb86454eef0","schema_version":"1.0","event_id":"sha256:33bdbe048b63064bc93315dabe3a9b09ae163d213c5251832c6b0bb86454eef0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/bundle.json","state_url":"https://pith.science/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/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":"2026-06-28T20:00:32Z","links":{"resolver":"https://pith.science/pith/7BU3VL6R4BZ37QHJV7IV47V4PN","bundle":"https://pith.science/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/bundle.json","state":"https://pith.science/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BU3VL6R4BZ37QHJV7IV47V4PN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7BU3VL6R4BZ37QHJV7IV47V4PN","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":"02ef846ac4af55e1344e8279fc42dcb7f50972d9ab528e699be2d6645e075f1b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-07-07T09:27:41Z","title_canon_sha256":"df53da4dc0b0c4b8fbf23a551635c95b7c1d92c4b6a35cf24702c6c8c778cb49"},"schema_version":"1.0","source":{"id":"1507.01721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01721","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01721v1","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01721","created_at":"2026-05-18T01:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"7BU3VL6R4BZ3","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7BU3VL6R4BZ37QHJ","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7BU3VL6R","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:33bdbe048b63064bc93315dabe3a9b09ae163d213c5251832c6b0bb86454eef0","target":"graph","created_at":"2026-05-18T01:36:52Z","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":"By implementing the nonlinear Poisson-Boltzmann theory in a cell model, we theoretically investigate the influence of polyelectrolye gel permeability on ion densities and pH deviations inside the cavities of ionic microcapsules. Our calculations show that variations in permeability of a charged capsule shell cause a redistribution of ion densities within the capsule, which ultimately affects the pH deviation and Donnan potential induced by the electric field of the shell. We find that semipermeable capsules can induce larger pH deviations inside their cavities that can permeable capsules. Furt","authors_text":"Alan R. Denton, Qiyun Tang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-07-07T09:27:41Z","title":"Ion Density Deviations in Semipermeable Ionic Microcapsules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01721","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":"sha256:4b79665920fc3f1263eccf38005afb08e0b3114702d475f7dbdfb994325319ce","target":"record","created_at":"2026-05-18T01:36:52Z","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":"02ef846ac4af55e1344e8279fc42dcb7f50972d9ab528e699be2d6645e075f1b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-07-07T09:27:41Z","title_canon_sha256":"df53da4dc0b0c4b8fbf23a551635c95b7c1d92c4b6a35cf24702c6c8c778cb49"},"schema_version":"1.0","source":{"id":"1507.01721","kind":"arxiv","version":1}},"canonical_sha256":"f869baafd1e073bfc0e9afd15e7ebc7b441583f98b8c479635a567f2068e190e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f869baafd1e073bfc0e9afd15e7ebc7b441583f98b8c479635a567f2068e190e","first_computed_at":"2026-05-18T01:36:52.571501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:52.571501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1vFXDe1D5g29RRRp5d9mmjkQM944igoC17eYIlTSZsuvtixa6CLoUr123wFnDR+Z4S6KR6sGl7U928xSzJnBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:52.572205Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b79665920fc3f1263eccf38005afb08e0b3114702d475f7dbdfb994325319ce","sha256:33bdbe048b63064bc93315dabe3a9b09ae163d213c5251832c6b0bb86454eef0"],"state_sha256":"3b739c895dd92cc9afeef7d0c6fa12564b61f8ee042006b20863ad0a3bd9fe61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wti38xqE8loQrwxta+M+VR+YhWKPpZXIp4B+BUmcuGFHMLBb6aQ58sWVBxbJSyl5y6iVdiTxvPp6k5YXIUNpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T20:00:32.700831Z","bundle_sha256":"f78b14817aa38d80a0dd2e03cecf8b9caa09616177b97f59aca5973f4e3dcf49"}}