{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BIBPHYNWP7UX5UWGEVARQP6V66","short_pith_number":"pith:BIBPHYNW","canonical_record":{"source":{"id":"1407.6683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-24T18:37:41Z","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"title_canon_sha256":"ee61f093e0a08d0e8cbe8b4d5321ef3d458b76adc1248b619e91396ca6928c2e","abstract_canon_sha256":"ca68aec9cf15f8e87a8450b959b071135d75651d1482489869b941920371fb96"},"schema_version":"1.0"},"canonical_sha256":"0a02f3e1b67fe97ed2c62541183fd5f78fc2948b5c9ba33a534f3d36853d8e35","source":{"kind":"arxiv","id":"1407.6683","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6683","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6683v2","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6683","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"BIBPHYNWP7UX","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BIBPHYNWP7UX5UWG","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BIBPHYNW","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BIBPHYNWP7UX5UWGEVARQP6V66","target":"record","payload":{"canonical_record":{"source":{"id":"1407.6683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-24T18:37:41Z","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"title_canon_sha256":"ee61f093e0a08d0e8cbe8b4d5321ef3d458b76adc1248b619e91396ca6928c2e","abstract_canon_sha256":"ca68aec9cf15f8e87a8450b959b071135d75651d1482489869b941920371fb96"},"schema_version":"1.0"},"canonical_sha256":"0a02f3e1b67fe97ed2c62541183fd5f78fc2948b5c9ba33a534f3d36853d8e35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:32.069000Z","signature_b64":"iBHT8n6iZS+cdHoHC6KuIPQ5dnphCdlCAwxmu0HqoH9r/h/WEkZqr8/pUbodmTqY3yWyIqy9tWdo73ezm3LpCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a02f3e1b67fe97ed2c62541183fd5f78fc2948b5c9ba33a534f3d36853d8e35","last_reissued_at":"2026-05-18T01:42:32.068230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:32.068230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.6683","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":"2026-05-18T01:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFvuH/F71SmeX1J8TWiDZ5wK+3BVlM90zWp4t6Y0LqTtEsowLY00bjGng8jpoOM7vNeWyeGgG9f9nktrvSBeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:58:29.532533Z"},"content_sha256":"4e4ccfe8baeeda9776e82361fe938440ec050fcc1cbe7fb89a0b906aeeecf6c7","schema_version":"1.0","event_id":"sha256:4e4ccfe8baeeda9776e82361fe938440ec050fcc1cbe7fb89a0b906aeeecf6c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BIBPHYNWP7UX5UWGEVARQP6V66","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring local volume fraction, long-wavelength correlations and fractionation in a phase-separating polydisperse fluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"John J. Williamson, R. Mike L. Evans","submitted_at":"2014-07-24T18:37:41Z","abstract_excerpt":"We dynamically simulate fractionation (partitioning of particle species) during spinodal gas-liquid separation of a size-polydisperse colloid, using polydispersity up to ~40% and a skewed parent size distribution. We introduce a novel coarse-grained Voronoi method to minimise size bias in measuring local volume fraction, along with a variety of spatial correlation functions which detect fractionation without requiring a clear distinction between the phases. These can be applied whether or not a system is phase separated, to determine structural correlations in particle size, and generalise eas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6683","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":""},"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":"2026-05-18T01:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ygUJtqlK9DeuEuwg9gEFSm/SltQy61kp4SFqd4NHXH/VD4MjCEAjvVJ5irRSJli4cmTq/IT0cZFSL14vbwE1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:58:29.533244Z"},"content_sha256":"d054501ed3bc407d185a52f36f25f920ead3557daad94a57cbc0874a6e4e9423","schema_version":"1.0","event_id":"sha256:d054501ed3bc407d185a52f36f25f920ead3557daad94a57cbc0874a6e4e9423"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BIBPHYNWP7UX5UWGEVARQP6V66/bundle.json","state_url":"https://pith.science/pith/BIBPHYNWP7UX5UWGEVARQP6V66/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BIBPHYNWP7UX5UWGEVARQP6V66/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":"2026-05-31T00:58:29Z","links":{"resolver":"https://pith.science/pith/BIBPHYNWP7UX5UWGEVARQP6V66","bundle":"https://pith.science/pith/BIBPHYNWP7UX5UWGEVARQP6V66/bundle.json","state":"https://pith.science/pith/BIBPHYNWP7UX5UWGEVARQP6V66/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BIBPHYNWP7UX5UWGEVARQP6V66/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BIBPHYNWP7UX5UWGEVARQP6V66","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":"ca68aec9cf15f8e87a8450b959b071135d75651d1482489869b941920371fb96","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-24T18:37:41Z","title_canon_sha256":"ee61f093e0a08d0e8cbe8b4d5321ef3d458b76adc1248b619e91396ca6928c2e"},"schema_version":"1.0","source":{"id":"1407.6683","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6683","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6683v2","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6683","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"BIBPHYNWP7UX","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BIBPHYNWP7UX5UWG","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BIBPHYNW","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:d054501ed3bc407d185a52f36f25f920ead3557daad94a57cbc0874a6e4e9423","target":"graph","created_at":"2026-05-18T01:42:32Z","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":"We dynamically simulate fractionation (partitioning of particle species) during spinodal gas-liquid separation of a size-polydisperse colloid, using polydispersity up to ~40% and a skewed parent size distribution. We introduce a novel coarse-grained Voronoi method to minimise size bias in measuring local volume fraction, along with a variety of spatial correlation functions which detect fractionation without requiring a clear distinction between the phases. These can be applied whether or not a system is phase separated, to determine structural correlations in particle size, and generalise eas","authors_text":"John J. Williamson, R. Mike L. Evans","cross_cats":["cond-mat.stat-mech","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-24T18:37:41Z","title":"Measuring local volume fraction, long-wavelength correlations and fractionation in a phase-separating polydisperse fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6683","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":"sha256:4e4ccfe8baeeda9776e82361fe938440ec050fcc1cbe7fb89a0b906aeeecf6c7","target":"record","created_at":"2026-05-18T01:42:32Z","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":"ca68aec9cf15f8e87a8450b959b071135d75651d1482489869b941920371fb96","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-24T18:37:41Z","title_canon_sha256":"ee61f093e0a08d0e8cbe8b4d5321ef3d458b76adc1248b619e91396ca6928c2e"},"schema_version":"1.0","source":{"id":"1407.6683","kind":"arxiv","version":2}},"canonical_sha256":"0a02f3e1b67fe97ed2c62541183fd5f78fc2948b5c9ba33a534f3d36853d8e35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a02f3e1b67fe97ed2c62541183fd5f78fc2948b5c9ba33a534f3d36853d8e35","first_computed_at":"2026-05-18T01:42:32.068230Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:32.068230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iBHT8n6iZS+cdHoHC6KuIPQ5dnphCdlCAwxmu0HqoH9r/h/WEkZqr8/pUbodmTqY3yWyIqy9tWdo73ezm3LpCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:32.069000Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.6683","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e4ccfe8baeeda9776e82361fe938440ec050fcc1cbe7fb89a0b906aeeecf6c7","sha256:d054501ed3bc407d185a52f36f25f920ead3557daad94a57cbc0874a6e4e9423"],"state_sha256":"c0d60adf9d5604556e3dd9a6e77a87eb5f17972f5bf3650fcf923f0279715ce3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VL5yY/zsLDnIZLKDkUxU/ZMpLPwS/fTRD/2lKGoMcbz/mTvDbWMw9GxBEMLMBxC4ZHEUXKyr3rp5n65PbWAeCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:58:29.537407Z","bundle_sha256":"d4568ed7a69435822bc03fc5d6a24832fdd1d0a3c7dcd7d8b61588fba4bb5906"}}