{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:WOENJXII7BWQM6RXDWBVAPYSHC","short_pith_number":"pith:WOENJXII","canonical_record":{"source":{"id":"0902.1886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-02-11T13:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"5ee619c339f66d04ceefddac9a2243acb5e05de70995cf5353d26d5950d24ba9","abstract_canon_sha256":"69719018cc7252c246e86fa8608e3085dbf04887efc1c5eb31aebdae452f6b86"},"schema_version":"1.0"},"canonical_sha256":"b388d4dd08f86d067a371d83503f1238a6ede97378eb09bcee5c6cc2a3018bd1","source":{"kind":"arxiv","id":"0902.1886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.1886","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"arxiv_version","alias_value":"0902.1886v1","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.1886","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"pith_short_12","alias_value":"WOENJXII7BWQ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WOENJXII7BWQM6RX","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WOENJXII","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:WOENJXII7BWQM6RXDWBVAPYSHC","target":"record","payload":{"canonical_record":{"source":{"id":"0902.1886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-02-11T13:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"5ee619c339f66d04ceefddac9a2243acb5e05de70995cf5353d26d5950d24ba9","abstract_canon_sha256":"69719018cc7252c246e86fa8608e3085dbf04887efc1c5eb31aebdae452f6b86"},"schema_version":"1.0"},"canonical_sha256":"b388d4dd08f86d067a371d83503f1238a6ede97378eb09bcee5c6cc2a3018bd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:48.341444Z","signature_b64":"r7YeG9EA/LWBKOEPqNtvLxhPd29HSH5bnUt3oI1GnU6xYVd84C35nGETd6xPOgulArINz2B4APqWyehlypPfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b388d4dd08f86d067a371d83503f1238a6ede97378eb09bcee5c6cc2a3018bd1","last_reissued_at":"2026-05-18T02:14:48.340888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:48.340888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.1886","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":"2026-05-18T02:14:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Im9FBGWpgPuhwJe1aJxXp5MzeqAiXTPB3G5T2O28lZooRNO4OEfFWjeba9ODmIwW2KZJlfr8JO+cfY7JdnrVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:34:20.791589Z"},"content_sha256":"8d91d3b954d514fb8da795fe28c5b57b21c9c35261e7f87e84444d943e9d87e4","schema_version":"1.0","event_id":"sha256:8d91d3b954d514fb8da795fe28c5b57b21c9c35261e7f87e84444d943e9d87e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:WOENJXII7BWQM6RXDWBVAPYSHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mesoscale modelling of polyelectrolyte electrophoresis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Christian Holm, Kai Grass","submitted_at":"2009-02-11T13:25:31Z","abstract_excerpt":"The electrophoretic behaviour of flexible polyelectrolyte chains ranging from single monomers up to long fragments of hundred repeat units is studied by a mesoscopic simulation approach. Abstracting from the atomistic details of the polyelectrolyte and the fluid, a coarse-grained molecular dynamics model connected to a mesoscopic fluid described by the Lattice Boltzmann approach is used to investigate free-solution electrophoresis. Our study demonstrates the importance of hydrodynamic interactions for the electrophoretic motion of polyelectrolytes and quantifies the influence of surrounding io"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.1886","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":"2026-05-18T02:14:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CzrwnRrOyb3tVM5QOwDdSgZJYR0GtLSomv9jA8X504khPZtwzRgPyqa0CZu58nePppFMI4Rq+kIsaAv4s/ULDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:34:20.791928Z"},"content_sha256":"66c87c63b60b39819faf26c7dffed7ebcb5e3d93a5069518b8d917933cf2abd6","schema_version":"1.0","event_id":"sha256:66c87c63b60b39819faf26c7dffed7ebcb5e3d93a5069518b8d917933cf2abd6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WOENJXII7BWQM6RXDWBVAPYSHC/bundle.json","state_url":"https://pith.science/pith/WOENJXII7BWQM6RXDWBVAPYSHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WOENJXII7BWQM6RXDWBVAPYSHC/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":"2026-06-27T16:34:20Z","links":{"resolver":"https://pith.science/pith/WOENJXII7BWQM6RXDWBVAPYSHC","bundle":"https://pith.science/pith/WOENJXII7BWQM6RXDWBVAPYSHC/bundle.json","state":"https://pith.science/pith/WOENJXII7BWQM6RXDWBVAPYSHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WOENJXII7BWQM6RXDWBVAPYSHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:WOENJXII7BWQM6RXDWBVAPYSHC","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":"69719018cc7252c246e86fa8608e3085dbf04887efc1c5eb31aebdae452f6b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-02-11T13:25:31Z","title_canon_sha256":"5ee619c339f66d04ceefddac9a2243acb5e05de70995cf5353d26d5950d24ba9"},"schema_version":"1.0","source":{"id":"0902.1886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.1886","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"arxiv_version","alias_value":"0902.1886v1","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.1886","created_at":"2026-05-18T02:14:48Z"},{"alias_kind":"pith_short_12","alias_value":"WOENJXII7BWQ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WOENJXII7BWQM6RX","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WOENJXII","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:66c87c63b60b39819faf26c7dffed7ebcb5e3d93a5069518b8d917933cf2abd6","target":"graph","created_at":"2026-05-18T02:14:48Z","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":"The electrophoretic behaviour of flexible polyelectrolyte chains ranging from single monomers up to long fragments of hundred repeat units is studied by a mesoscopic simulation approach. Abstracting from the atomistic details of the polyelectrolyte and the fluid, a coarse-grained molecular dynamics model connected to a mesoscopic fluid described by the Lattice Boltzmann approach is used to investigate free-solution electrophoresis. Our study demonstrates the importance of hydrodynamic interactions for the electrophoretic motion of polyelectrolytes and quantifies the influence of surrounding io","authors_text":"Christian Holm, Kai Grass","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-02-11T13:25:31Z","title":"Mesoscale modelling of polyelectrolyte electrophoresis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.1886","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":"sha256:8d91d3b954d514fb8da795fe28c5b57b21c9c35261e7f87e84444d943e9d87e4","target":"record","created_at":"2026-05-18T02:14:48Z","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":"69719018cc7252c246e86fa8608e3085dbf04887efc1c5eb31aebdae452f6b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-02-11T13:25:31Z","title_canon_sha256":"5ee619c339f66d04ceefddac9a2243acb5e05de70995cf5353d26d5950d24ba9"},"schema_version":"1.0","source":{"id":"0902.1886","kind":"arxiv","version":1}},"canonical_sha256":"b388d4dd08f86d067a371d83503f1238a6ede97378eb09bcee5c6cc2a3018bd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b388d4dd08f86d067a371d83503f1238a6ede97378eb09bcee5c6cc2a3018bd1","first_computed_at":"2026-05-18T02:14:48.340888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:48.340888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r7YeG9EA/LWBKOEPqNtvLxhPd29HSH5bnUt3oI1GnU6xYVd84C35nGETd6xPOgulArINz2B4APqWyehlypPfDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:48.341444Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.1886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d91d3b954d514fb8da795fe28c5b57b21c9c35261e7f87e84444d943e9d87e4","sha256:66c87c63b60b39819faf26c7dffed7ebcb5e3d93a5069518b8d917933cf2abd6"],"state_sha256":"10f4a04be0abc1dce0d72d23e716475b2c89377402601a15152d39317ea41a2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L7XiT/KlIRMCFbWzHOXWZx+eGf/AooxRt/n5Rp9gBTrM33Oie5eP7xkJV0FxoQP4O6FA2STk0EkvvvdZ7pE1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T16:34:20.793822Z","bundle_sha256":"5618ac601d07dcd4fceac1afeb80b3a9da52a687f9230f8a02559b80662020e1"}}