{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:CBHKOOIMYRMHHZQWOFD4NMA6NV","short_pith_number":"pith:CBHKOOIM","schema_version":"1.0","canonical_sha256":"104ea7390cc45873e6167147c6b01e6d7a0afcbe9fffc2a59366383492a7fed0","source":{"kind":"arxiv","id":"0911.0702","version":2},"attestation_state":"computed","paper":{"title":"Spatial and temporal dynamical heterogeneities approaching the binary colloidal glass transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Eric R. Weeks, Kenneth W. Desmond, Michio Tokuyama, Scott V. Franklin, Takayuki Narumi","submitted_at":"2009-11-03T22:28:43Z","abstract_excerpt":"We study concentrated binary colloidal suspensions, a model system which has a glass transition as the volume fraction $\\phi$ of particles is increased. We use confocal microscopy to directly observe particle motion within dense samples with $\\phi$ ranging from 0.4 to 0.7. Our binary mixtures have a particle diameter ratio $d_S/d_L=1/1.3$ and particle number ratio $N_S/N_L=1.56$, which are chosen to inhibit crystallization and enable long-time observations. Near the glass transition we find that particle dynamics are heterogeneous in both space and time. The most mobile particles occur in spat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0911.0702","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-11-03T22:28:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"27ae1f60d9a93396898cc9a735bd2f3e7c34b1dc178c894c8878162938c3dc23","abstract_canon_sha256":"9dc0724ffa4adbbbe2d0b32ba42091897ccdcf21bae04693b6f669448e13ff2b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:51.815009Z","signature_b64":"+DSh/rpp1r04m/THTNrAXo/Ois3v8tch/0GQoexIqRGjc8nxQuQHXznYG5MXrmWBopY8SRTk7IClX3VsPMDLDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"104ea7390cc45873e6167147c6b01e6d7a0afcbe9fffc2a59366383492a7fed0","last_reissued_at":"2026-05-18T04:21:51.814374Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:51.814374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spatial and temporal dynamical heterogeneities approaching the binary colloidal glass transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Eric R. Weeks, Kenneth W. Desmond, Michio Tokuyama, Scott V. Franklin, Takayuki Narumi","submitted_at":"2009-11-03T22:28:43Z","abstract_excerpt":"We study concentrated binary colloidal suspensions, a model system which has a glass transition as the volume fraction $\\phi$ of particles is increased. We use confocal microscopy to directly observe particle motion within dense samples with $\\phi$ ranging from 0.4 to 0.7. Our binary mixtures have a particle diameter ratio $d_S/d_L=1/1.3$ and particle number ratio $N_S/N_L=1.56$, which are chosen to inhibit crystallization and enable long-time observations. Near the glass transition we find that particle dynamics are heterogeneous in both space and time. The most mobile particles occur in spat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0702","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0911.0702","created_at":"2026-05-18T04:21:51.814475+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.0702v2","created_at":"2026-05-18T04:21:51.814475+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0702","created_at":"2026-05-18T04:21:51.814475+00:00"},{"alias_kind":"pith_short_12","alias_value":"CBHKOOIMYRMH","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"CBHKOOIMYRMHHZQW","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"CBHKOOIM","created_at":"2026-05-18T12:25:59.703012+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV","json":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV.json","graph_json":"https://pith.science/api/pith-number/CBHKOOIMYRMHHZQWOFD4NMA6NV/graph.json","events_json":"https://pith.science/api/pith-number/CBHKOOIMYRMHHZQWOFD4NMA6NV/events.json","paper":"https://pith.science/paper/CBHKOOIM"},"agent_actions":{"view_html":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV","download_json":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV.json","view_paper":"https://pith.science/paper/CBHKOOIM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.0702&json=true","fetch_graph":"https://pith.science/api/pith-number/CBHKOOIMYRMHHZQWOFD4NMA6NV/graph.json","fetch_events":"https://pith.science/api/pith-number/CBHKOOIMYRMHHZQWOFD4NMA6NV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV/action/storage_attestation","attest_author":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV/action/author_attestation","sign_citation":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV/action/citation_signature","submit_replication":"https://pith.science/pith/CBHKOOIMYRMHHZQWOFD4NMA6NV/action/replication_record"}},"created_at":"2026-05-18T04:21:51.814475+00:00","updated_at":"2026-05-18T04:21:51.814475+00:00"}