{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BD4BH6VEKVQR6VLT6DZVYBZYG3","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":"e3e7e092fb54f582d7ba6feeda48cb66a93e9eea41fccec931ca71d2a09297fe","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-11-04T08:37:30Z","title_canon_sha256":"9e36a81624a0a9836199a2ed4a1badec9fb83d39c8d9febce74c5f5e39174d57"},"schema_version":"1.0","source":{"id":"1111.1068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.1068","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"arxiv_version","alias_value":"1111.1068v1","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1068","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"pith_short_12","alias_value":"BD4BH6VEKVQR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BD4BH6VEKVQR6VLT","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BD4BH6VE","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:16084ff2f7765854538da2e6882ee548e6e8d8abdcd3b3ea14132b8981b266a6","target":"graph","created_at":"2026-05-18T01:59:45Z","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":"In laboratory experiments we observe that ice particles (\\leq100 \\mu m) entrained in a low pressure atmosphere (~1 mbar) get trapped by temperature gradients between three reservoirs at different tempertature. Confining elements are a peltier element at 250 K (bottom), a liquid nitrogen reservoir at 77 K (top) and the surrounding vacuum chamber at 293 K. Particle levitation and trapping is modeled by an interplay of thermophoresis, photophoresis and gravity. A number of ice particles are trapped simultaneously in close spatial distance to each other at least up to minutes and are accessible fo","authors_text":"Christoph D\\\"urmann, Gerhard Wurm, Thorben Kelling","cross_cats":["cond-mat.mtrl-sci","cond-mat.other","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-11-04T08:37:30Z","title":"Ice Particles Trapped by Temperature Gradients at mbar Pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1068","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":"sha256:87c34ce08961dab7ad8c18ef2a3e3415753d15a075bbd0b27a7550c171cd7232","target":"record","created_at":"2026-05-18T01:59:45Z","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":"e3e7e092fb54f582d7ba6feeda48cb66a93e9eea41fccec931ca71d2a09297fe","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2011-11-04T08:37:30Z","title_canon_sha256":"9e36a81624a0a9836199a2ed4a1badec9fb83d39c8d9febce74c5f5e39174d57"},"schema_version":"1.0","source":{"id":"1111.1068","kind":"arxiv","version":1}},"canonical_sha256":"08f813faa455611f5573f0f35c073836d70bbb3a9323843cfbae18bdae3110f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08f813faa455611f5573f0f35c073836d70bbb3a9323843cfbae18bdae3110f9","first_computed_at":"2026-05-18T01:59:45.591716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:45.591716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x9EGYg/TXPwNpP9VkRmZ7WIKGqTplUyYuEnTVY2FIOk4/F2R3+a8miwiIi3RpH5gGpXOHuHcU1vVnucRjPRSAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:45.592351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.1068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87c34ce08961dab7ad8c18ef2a3e3415753d15a075bbd0b27a7550c171cd7232","sha256:16084ff2f7765854538da2e6882ee548e6e8d8abdcd3b3ea14132b8981b266a6"],"state_sha256":"97fad42f5be0c422672f4095fc1e34eae05aa4824c8e6a4a7b3e6e5682e05f61"}