{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:HZZMSC532KUA3VRYP6H2AXWS6E","short_pith_number":"pith:HZZMSC53","canonical_record":{"source":{"id":"quant-ph/0612189","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-12-22T01:45:04Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"3ee51a9416a99dbb23da3c0196ba1dd51bb1cb49cfd675b28e1e7cb5d16274c5","abstract_canon_sha256":"0b4a9a1857b903fbb1778aca198f23a0b1cac12794c52c5b6655cba1fe92cfa3"},"schema_version":"1.0"},"canonical_sha256":"3e72c90bbbd2a80dd6387f8fa05ed2f13354c321682d268014db5045c1ae5f98","source":{"kind":"arxiv","id":"quant-ph/0612189","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0612189","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0612189v1","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0612189","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"pith_short_12","alias_value":"HZZMSC532KUA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HZZMSC532KUA3VRY","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HZZMSC53","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:HZZMSC532KUA3VRYP6H2AXWS6E","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0612189","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-12-22T01:45:04Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"3ee51a9416a99dbb23da3c0196ba1dd51bb1cb49cfd675b28e1e7cb5d16274c5","abstract_canon_sha256":"0b4a9a1857b903fbb1778aca198f23a0b1cac12794c52c5b6655cba1fe92cfa3"},"schema_version":"1.0"},"canonical_sha256":"3e72c90bbbd2a80dd6387f8fa05ed2f13354c321682d268014db5045c1ae5f98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:45.355597Z","signature_b64":"pwb0PNM/W0wUg53wvIPHFYDevrPzJV1aJ7wc9Pwv3iz3hWF6BA41waj+Zuj6bKbBVeqFV1u73UsWP2ZHVaamBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e72c90bbbd2a80dd6387f8fa05ed2f13354c321682d268014db5045c1ae5f98","last_reissued_at":"2026-05-18T01:08:45.355139Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:45.355139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0612189","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":"2026-05-18T01:08:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dmt80k2Yr38syixeMxCqpKm35qAQ2fVu6R6DpaGny/dsNA3WtA9Z7hWVA8YCCviojOLZ+Bgc1NB8Qglnczb5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:35:36.081383Z"},"content_sha256":"61543a35e5cfc15cf3589514e2c74fa2a83fa254e5a6063461ec7b9ae54b9610","schema_version":"1.0","event_id":"sha256:61543a35e5cfc15cf3589514e2c74fa2a83fa254e5a6063461ec7b9ae54b9610"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:HZZMSC532KUA3VRYP6H2AXWS6E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semiclassical limits to the linewidth of an atom laser","license":"","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"quant-ph","authors_text":"Cristina Figl, John Close, Joseph Hope, Julien Dugu\\'e, Matthew Jeppesen, Mattias Johnsson, Nick Robins, Simon Haine","submitted_at":"2006-12-22T01:45:04Z","abstract_excerpt":"We investigate the linewidth of a quasi-continuous atom laser within a semiclassical framework. In the high flux regime, the lasing mode can exhibit a number of undesirable features such as density fluctuations. We show that the output therefore has a complicated structure that can be somewhat simplified using Raman outcoupling methods and energy-momentum selection rules. In the weak outcoupling limit, we find that the linewidth of an atom laser is instantaneously Fourier limited, but, due to the energy `chirp' associated with the draining of a condensate, the long-term linewidth of an atom la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0612189","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":"2026-05-18T01:08:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fEleyifQOr8hmfbU91hciW5ZwlvhwMmZG6KaXaR+M1CCH8CRbRhDwn2r/q6YYWqXGpNHmrlWOC6Ou0679g80Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:35:36.082055Z"},"content_sha256":"ee3fc8625f0551329c8d1b0ea494fcb9fa8fcf67678973e553991d9231a0cac9","schema_version":"1.0","event_id":"sha256:ee3fc8625f0551329c8d1b0ea494fcb9fa8fcf67678973e553991d9231a0cac9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HZZMSC532KUA3VRYP6H2AXWS6E/bundle.json","state_url":"https://pith.science/pith/HZZMSC532KUA3VRYP6H2AXWS6E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HZZMSC532KUA3VRYP6H2AXWS6E/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":"2026-05-26T10:35:36Z","links":{"resolver":"https://pith.science/pith/HZZMSC532KUA3VRYP6H2AXWS6E","bundle":"https://pith.science/pith/HZZMSC532KUA3VRYP6H2AXWS6E/bundle.json","state":"https://pith.science/pith/HZZMSC532KUA3VRYP6H2AXWS6E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HZZMSC532KUA3VRYP6H2AXWS6E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:HZZMSC532KUA3VRYP6H2AXWS6E","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":"0b4a9a1857b903fbb1778aca198f23a0b1cac12794c52c5b6655cba1fe92cfa3","cross_cats_sorted":["cond-mat.other"],"license":"","primary_cat":"quant-ph","submitted_at":"2006-12-22T01:45:04Z","title_canon_sha256":"3ee51a9416a99dbb23da3c0196ba1dd51bb1cb49cfd675b28e1e7cb5d16274c5"},"schema_version":"1.0","source":{"id":"quant-ph/0612189","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0612189","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0612189v1","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0612189","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"pith_short_12","alias_value":"HZZMSC532KUA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HZZMSC532KUA3VRY","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HZZMSC53","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:ee3fc8625f0551329c8d1b0ea494fcb9fa8fcf67678973e553991d9231a0cac9","target":"graph","created_at":"2026-05-18T01:08:45Z","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":"We investigate the linewidth of a quasi-continuous atom laser within a semiclassical framework. In the high flux regime, the lasing mode can exhibit a number of undesirable features such as density fluctuations. We show that the output therefore has a complicated structure that can be somewhat simplified using Raman outcoupling methods and energy-momentum selection rules. In the weak outcoupling limit, we find that the linewidth of an atom laser is instantaneously Fourier limited, but, due to the energy `chirp' associated with the draining of a condensate, the long-term linewidth of an atom la","authors_text":"Cristina Figl, John Close, Joseph Hope, Julien Dugu\\'e, Matthew Jeppesen, Mattias Johnsson, Nick Robins, Simon Haine","cross_cats":["cond-mat.other"],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2006-12-22T01:45:04Z","title":"Semiclassical limits to the linewidth of an atom laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0612189","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":"sha256:61543a35e5cfc15cf3589514e2c74fa2a83fa254e5a6063461ec7b9ae54b9610","target":"record","created_at":"2026-05-18T01:08:45Z","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":"0b4a9a1857b903fbb1778aca198f23a0b1cac12794c52c5b6655cba1fe92cfa3","cross_cats_sorted":["cond-mat.other"],"license":"","primary_cat":"quant-ph","submitted_at":"2006-12-22T01:45:04Z","title_canon_sha256":"3ee51a9416a99dbb23da3c0196ba1dd51bb1cb49cfd675b28e1e7cb5d16274c5"},"schema_version":"1.0","source":{"id":"quant-ph/0612189","kind":"arxiv","version":1}},"canonical_sha256":"3e72c90bbbd2a80dd6387f8fa05ed2f13354c321682d268014db5045c1ae5f98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e72c90bbbd2a80dd6387f8fa05ed2f13354c321682d268014db5045c1ae5f98","first_computed_at":"2026-05-18T01:08:45.355139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:45.355139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pwb0PNM/W0wUg53wvIPHFYDevrPzJV1aJ7wc9Pwv3iz3hWF6BA41waj+Zuj6bKbBVeqFV1u73UsWP2ZHVaamBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:45.355597Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0612189","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61543a35e5cfc15cf3589514e2c74fa2a83fa254e5a6063461ec7b9ae54b9610","sha256:ee3fc8625f0551329c8d1b0ea494fcb9fa8fcf67678973e553991d9231a0cac9"],"state_sha256":"25ced18cbb55374b0e72ce11a3a3d894c2c7bd5e0e2ebd651373eeb5fc01c9aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sXsXbEB/eevFAjahKDRedf99ZF/nCOatpB5Q0jdqgGldkB0oQShrzsR/TCiyMH9pfQye6EWv71BvYikFCD6kBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:35:36.085829Z","bundle_sha256":"11d4e2d24c5d33b4d148365e39bbc2940ae110be8ee4fbc1b989052185d69c22"}}