{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UJ3B6UCR74GSLWW2GSO44O6KGT","short_pith_number":"pith:UJ3B6UCR","canonical_record":{"source":{"id":"1502.08019","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-27T19:08:32Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5de05fc277bc4f457dfb160c45b749893f9e3561ff75fb2d3f19933ed96e77bc","abstract_canon_sha256":"63a7b0029d0d5f6c5e0af2f810010fbb12467ff1b1ab2f5f86804d7250aeb659"},"schema_version":"1.0"},"canonical_sha256":"a2761f5051ff0d25dada349dce3bca34f4b64fbd29f41e0882b38a0d1a787c60","source":{"kind":"arxiv","id":"1502.08019","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.08019","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1502.08019v1","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.08019","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"UJ3B6UCR74GS","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UJ3B6UCR74GSLWW2","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UJ3B6UCR","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UJ3B6UCR74GSLWW2GSO44O6KGT","target":"record","payload":{"canonical_record":{"source":{"id":"1502.08019","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-27T19:08:32Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5de05fc277bc4f457dfb160c45b749893f9e3561ff75fb2d3f19933ed96e77bc","abstract_canon_sha256":"63a7b0029d0d5f6c5e0af2f810010fbb12467ff1b1ab2f5f86804d7250aeb659"},"schema_version":"1.0"},"canonical_sha256":"a2761f5051ff0d25dada349dce3bca34f4b64fbd29f41e0882b38a0d1a787c60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:01.574083Z","signature_b64":"dIFCKuJ6NfTKVoh7BLqJAJvV0C+G3lcVGfJADntulkU0GDLOy93XZjXnoUTf7Q6oXqcMOIaPl5K3RGEAGOG5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2761f5051ff0d25dada349dce3bca34f4b64fbd29f41e0882b38a0d1a787c60","last_reissued_at":"2026-05-18T02:26:01.573630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:01.573630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.08019","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":"2026-05-18T02:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"na9MrNp1z6sAUaSO4s6RnqMK0W/RQhFpg+zt4eDOZvaOPk5kkT/bJ9M0MkicICcwF2B79fFz8HxAehcBdbxLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:23:22.121907Z"},"content_sha256":"af86100fec70fc5ba40c0c37a0e948e21d6e5e70b166d508385cd11af70e74e3","schema_version":"1.0","event_id":"sha256:af86100fec70fc5ba40c0c37a0e948e21d6e5e70b166d508385cd11af70e74e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UJ3B6UCR74GSLWW2GSO44O6KGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Laser-induced cooling of broadband heat reservoirs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"A. Sa\\ss, D. Gelbwaser-Klimovsky, G. Kurizki, K. Szczygielski, M. Weitz, R. Alicki, U. Vogl","submitted_at":"2015-02-27T19:08:32Z","abstract_excerpt":"We explore, theoretically and experimentally, a method for cooling a broadband heat reservoir, via its laser-assisted collisions with two-level atoms followed by their fluorescence. This method is shown to be advantageous compared to existing laser-cooling methods in terms of its cooling efficiency, the lowest attainable temperature for broadband baths and its versatility: it can cool down any heat reservoir, provided the laser is red-detuned from the atomic resonance. It is applicable to cooling down both dense gaseous and condensed media."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.08019","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":"2026-05-18T02:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8GxhCA24QZXBcWmJOdQjS4iSJbb1KTkF8LgGuKwRxajeu31CD9mPzSDV9WLk5YNdGiaRa7cqZIlOy/THNcp5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:23:22.122657Z"},"content_sha256":"6e322f12d5f90c2d879c112b33734ee6dd646f87781695c076c68176304df756","schema_version":"1.0","event_id":"sha256:6e322f12d5f90c2d879c112b33734ee6dd646f87781695c076c68176304df756"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/bundle.json","state_url":"https://pith.science/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/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":"2026-05-26T06:23:22Z","links":{"resolver":"https://pith.science/pith/UJ3B6UCR74GSLWW2GSO44O6KGT","bundle":"https://pith.science/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/bundle.json","state":"https://pith.science/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJ3B6UCR74GSLWW2GSO44O6KGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UJ3B6UCR74GSLWW2GSO44O6KGT","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":"63a7b0029d0d5f6c5e0af2f810010fbb12467ff1b1ab2f5f86804d7250aeb659","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-27T19:08:32Z","title_canon_sha256":"5de05fc277bc4f457dfb160c45b749893f9e3561ff75fb2d3f19933ed96e77bc"},"schema_version":"1.0","source":{"id":"1502.08019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.08019","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1502.08019v1","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.08019","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"UJ3B6UCR74GS","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UJ3B6UCR74GSLWW2","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UJ3B6UCR","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:6e322f12d5f90c2d879c112b33734ee6dd646f87781695c076c68176304df756","target":"graph","created_at":"2026-05-18T02:26:01Z","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 explore, theoretically and experimentally, a method for cooling a broadband heat reservoir, via its laser-assisted collisions with two-level atoms followed by their fluorescence. This method is shown to be advantageous compared to existing laser-cooling methods in terms of its cooling efficiency, the lowest attainable temperature for broadband baths and its versatility: it can cool down any heat reservoir, provided the laser is red-detuned from the atomic resonance. It is applicable to cooling down both dense gaseous and condensed media.","authors_text":"A. Sa\\ss, D. Gelbwaser-Klimovsky, G. Kurizki, K. Szczygielski, M. Weitz, R. Alicki, U. Vogl","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-27T19:08:32Z","title":"Laser-induced cooling of broadband heat reservoirs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.08019","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:af86100fec70fc5ba40c0c37a0e948e21d6e5e70b166d508385cd11af70e74e3","target":"record","created_at":"2026-05-18T02:26:01Z","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":"63a7b0029d0d5f6c5e0af2f810010fbb12467ff1b1ab2f5f86804d7250aeb659","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-27T19:08:32Z","title_canon_sha256":"5de05fc277bc4f457dfb160c45b749893f9e3561ff75fb2d3f19933ed96e77bc"},"schema_version":"1.0","source":{"id":"1502.08019","kind":"arxiv","version":1}},"canonical_sha256":"a2761f5051ff0d25dada349dce3bca34f4b64fbd29f41e0882b38a0d1a787c60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2761f5051ff0d25dada349dce3bca34f4b64fbd29f41e0882b38a0d1a787c60","first_computed_at":"2026-05-18T02:26:01.573630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:01.573630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dIFCKuJ6NfTKVoh7BLqJAJvV0C+G3lcVGfJADntulkU0GDLOy93XZjXnoUTf7Q6oXqcMOIaPl5K3RGEAGOG5Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:01.574083Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.08019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af86100fec70fc5ba40c0c37a0e948e21d6e5e70b166d508385cd11af70e74e3","sha256:6e322f12d5f90c2d879c112b33734ee6dd646f87781695c076c68176304df756"],"state_sha256":"5bce0e9c392cb66bf7dbb8a3bc414e0d4f347b83659f0e00ec7c113e06d30618"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdtywSSELA3H6DXuK/6DdtUBxYlpAPS+aH7TmO7BZCLfia/se9/izWSjR25vSK1MdgM5c4nkoYDscY8WKHuCAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:23:22.126205Z","bundle_sha256":"8a12f7319ebffbfc4b590e14397683d21f9658d184d7372eeb68c3a7445ad8b7"}}