{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:6PSMWQBM5SQW3GMLJ33BA4KFY4","short_pith_number":"pith:6PSMWQBM","canonical_record":{"source":{"id":"quant-ph/0305111","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-05-20T13:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"53d1109d4e28436b410f5d32913b327480a5fc6ceab6638732625a8767695386","abstract_canon_sha256":"e8f4b3930389b079c1554cadcb75971eb56f13bce7ebdb7669a8dbf158ec9b6b"},"schema_version":"1.0"},"canonical_sha256":"f3e4cb402ceca16d998b4ef6107145c71f517bcf48602c9bb205a3120ac39d36","source":{"kind":"arxiv","id":"quant-ph/0305111","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0305111","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0305111v1","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0305111","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"6PSMWQBM5SQW","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_16","alias_value":"6PSMWQBM5SQW3GML","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_8","alias_value":"6PSMWQBM","created_at":"2026-07-04T14:46:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:6PSMWQBM5SQW3GMLJ33BA4KFY4","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0305111","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-05-20T13:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"53d1109d4e28436b410f5d32913b327480a5fc6ceab6638732625a8767695386","abstract_canon_sha256":"e8f4b3930389b079c1554cadcb75971eb56f13bce7ebdb7669a8dbf158ec9b6b"},"schema_version":"1.0"},"canonical_sha256":"f3e4cb402ceca16d998b4ef6107145c71f517bcf48602c9bb205a3120ac39d36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:46:11.223035Z","signature_b64":"Op37BZrcOUdi2cqIrXR/zmQel++tbwwFr9YPhk/Etgf84BOAat/XxicA/wYNPJNt3Z/ffJARNfWj2bHa4swUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3e4cb402ceca16d998b4ef6107145c71f517bcf48602c9bb205a3120ac39d36","last_reissued_at":"2026-07-04T14:46:11.222690Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:46:11.222690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0305111","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":"2026-07-04T14:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ncHWtPuo8J6h0wEyhO9ujyVf2vQ2fRdFqWGG2Ug0mt4VHjVIoSHDC2n2PjrJNrWb/zBQcOGozpbmpzGvgLz+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:54:01.782436Z"},"content_sha256":"c613288ba39dd4ab0045557a0ffebabcc2c996799380c32383986cae12782620","schema_version":"1.0","event_id":"sha256:c613288ba39dd4ab0045557a0ffebabcc2c996799380c32383986cae12782620"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:6PSMWQBM5SQW3GMLJ33BA4KFY4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Limits of Stochastic Cooling of a Bosonic Gas","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"D. Ivanov, I.A. Walmsley, S. Wallentowitz","submitted_at":"2003-05-20T13:59:03Z","abstract_excerpt":"The quantum limits of stochastic cooling of trapped atoms are studied. The energy subtraction due to the applied feedback is shown to contain an additional noise term due to atom-number fluctuations in the feedback region. This novel effect is shown to dominate the cooling efficiency near the condensation point. Furthermore, we show first results that indicate that Bose--Einstein condensation could be reached via stochastic cooling."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0305111","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0305111/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BLsqo3glVLvxWg8ezlZtViiOiQVBo2LDShcvNFPmAn+ezW8yF3jps/MaGSrUDFXc+VX1o95f/G/4lga3/XqCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:54:01.782821Z"},"content_sha256":"b0f7f97fa649d8cdd67111228231d52f9a948347d2b1aadc923f368a5e490ca6","schema_version":"1.0","event_id":"sha256:b0f7f97fa649d8cdd67111228231d52f9a948347d2b1aadc923f368a5e490ca6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/bundle.json","state_url":"https://pith.science/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/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":"2026-07-06T08:54:01Z","links":{"resolver":"https://pith.science/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4","bundle":"https://pith.science/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/bundle.json","state":"https://pith.science/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6PSMWQBM5SQW3GMLJ33BA4KFY4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:6PSMWQBM5SQW3GMLJ33BA4KFY4","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":"e8f4b3930389b079c1554cadcb75971eb56f13bce7ebdb7669a8dbf158ec9b6b","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-05-20T13:59:03Z","title_canon_sha256":"53d1109d4e28436b410f5d32913b327480a5fc6ceab6638732625a8767695386"},"schema_version":"1.0","source":{"id":"quant-ph/0305111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0305111","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0305111v1","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0305111","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"6PSMWQBM5SQW","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_16","alias_value":"6PSMWQBM5SQW3GML","created_at":"2026-07-04T14:46:11Z"},{"alias_kind":"pith_short_8","alias_value":"6PSMWQBM","created_at":"2026-07-04T14:46:11Z"}],"graph_snapshots":[{"event_id":"sha256:b0f7f97fa649d8cdd67111228231d52f9a948347d2b1aadc923f368a5e490ca6","target":"graph","created_at":"2026-07-04T14:46:11Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0305111/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quantum limits of stochastic cooling of trapped atoms are studied. The energy subtraction due to the applied feedback is shown to contain an additional noise term due to atom-number fluctuations in the feedback region. This novel effect is shown to dominate the cooling efficiency near the condensation point. Furthermore, we show first results that indicate that Bose--Einstein condensation could be reached via stochastic cooling.","authors_text":"D. Ivanov, I.A. Walmsley, S. Wallentowitz","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2003-05-20T13:59:03Z","title":"Quantum Limits of Stochastic Cooling of a Bosonic Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0305111","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:c613288ba39dd4ab0045557a0ffebabcc2c996799380c32383986cae12782620","target":"record","created_at":"2026-07-04T14:46:11Z","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":"e8f4b3930389b079c1554cadcb75971eb56f13bce7ebdb7669a8dbf158ec9b6b","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-05-20T13:59:03Z","title_canon_sha256":"53d1109d4e28436b410f5d32913b327480a5fc6ceab6638732625a8767695386"},"schema_version":"1.0","source":{"id":"quant-ph/0305111","kind":"arxiv","version":1}},"canonical_sha256":"f3e4cb402ceca16d998b4ef6107145c71f517bcf48602c9bb205a3120ac39d36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3e4cb402ceca16d998b4ef6107145c71f517bcf48602c9bb205a3120ac39d36","first_computed_at":"2026-07-04T14:46:11.222690Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:46:11.222690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Op37BZrcOUdi2cqIrXR/zmQel++tbwwFr9YPhk/Etgf84BOAat/XxicA/wYNPJNt3Z/ffJARNfWj2bHa4swUCw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:46:11.223035Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0305111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c613288ba39dd4ab0045557a0ffebabcc2c996799380c32383986cae12782620","sha256:b0f7f97fa649d8cdd67111228231d52f9a948347d2b1aadc923f368a5e490ca6"],"state_sha256":"9697cfed0e38d20c177d1aad219d5c56aa6c385d5dc07250ca5673c178e14ea0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"stbAofU1i+SXbJ2fNSOYzr1eqR+s/+QF1b3zunj3dIRzRuSjWZN2zJdRw49vSHtS/Zo1aH2PkjHgqYDdpIhzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:54:01.784908Z","bundle_sha256":"0d45085f22d5adf5b6b6a496b11ba7ecae62e7806fe5e13ba3355c363aab1bfd"}}