{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5DBGGCLRN2Z4OGQUOLBBPZBKQ3","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":"c40cf9a9b2b4ce9da7fbacff13e674f057423c757d407942cf0769e9fdf30c3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-06T19:09:51Z","title_canon_sha256":"8445e4702aae7f488a27cc23db3f6fa05248e9c4778dbf4a5d24e1964b3f002c"},"schema_version":"1.0","source":{"id":"1008.1255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1255","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1255v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1255","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"5DBGGCLRN2Z4","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5DBGGCLRN2Z4OGQU","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5DBGGCLR","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:ccb673fabc09d3ba82634b55cf0f0e78d8f3df1da1927250da27c9a9e05ae180","target":"graph","created_at":"2026-05-18T02:05:58Z","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":"Single-Photon Cooling (SPC), noted for its potential as a versatile method for cooling a variety of atomic species, has recently been demonstrated experimentally. In this paper, we study possible ways to improve the performance of SPC by applying it to atoms trapped inside a wedge billiard. The main feature of wedge billiard for atoms, also experimentally realized recently, is that the nature of atomic trajectories within it changes from stable periodic orbit to random chaotic motion with the change in wedge angle. We find that a high cooling efficiency is possible in this system with a relati","authors_text":"B. Sundaram, M. G. Raizen, S. Choi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-06T19:09:51Z","title":"Single-photon cooling in a wedge billiard"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1255","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:b52085917322af85b9f7f2038ab86a07fe4cebb3916640aafe08fd031bd21a32","target":"record","created_at":"2026-05-18T02:05:58Z","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":"c40cf9a9b2b4ce9da7fbacff13e674f057423c757d407942cf0769e9fdf30c3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-06T19:09:51Z","title_canon_sha256":"8445e4702aae7f488a27cc23db3f6fa05248e9c4778dbf4a5d24e1964b3f002c"},"schema_version":"1.0","source":{"id":"1008.1255","kind":"arxiv","version":1}},"canonical_sha256":"e8c26309716eb3c71a1472c217e42a86fcd6018013740ac81f0b9ca032c8d4f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8c26309716eb3c71a1472c217e42a86fcd6018013740ac81f0b9ca032c8d4f3","first_computed_at":"2026-05-18T02:05:58.257499Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:58.257499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3f5V5iZ8+G1jQ7WkzJNaKiIbPT6U4qdLPzXZ/Vm20bCgEx8uyIe2BdIYA19SyV6FXP3+93WgjqNJIchJWrNoCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:58.258243Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b52085917322af85b9f7f2038ab86a07fe4cebb3916640aafe08fd031bd21a32","sha256:ccb673fabc09d3ba82634b55cf0f0e78d8f3df1da1927250da27c9a9e05ae180"],"state_sha256":"6fa5c06014313d407036b01a54fa1b96a387a64360dc33b662b81d66d08f14d1"}