{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:K4NFW6BHXKGFUMVTTVPEM7XXU7","short_pith_number":"pith:K4NFW6BH","canonical_record":{"source":{"id":"2606.30765","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T18:01:40Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"6395e3b7fcf8b8a5b9ae924ea1bc43066d7ecb5a874e56bdd9d92a8a8314a966","abstract_canon_sha256":"a63aac0688a6a1d614b22bde802e410bd908a08e3ddcc6293cac618fb806ae3c"},"schema_version":"1.0"},"canonical_sha256":"571a5b7827ba8c5a32b39d5e467ef7a7efae088d2c746d4abe9d8671f9795090","source":{"kind":"arxiv","id":"2606.30765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30765","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30765v1","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30765","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_12","alias_value":"K4NFW6BHXKGF","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_16","alias_value":"K4NFW6BHXKGFUMVT","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_8","alias_value":"K4NFW6BH","created_at":"2026-07-01T00:17:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:K4NFW6BHXKGFUMVTTVPEM7XXU7","target":"record","payload":{"canonical_record":{"source":{"id":"2606.30765","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T18:01:40Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"6395e3b7fcf8b8a5b9ae924ea1bc43066d7ecb5a874e56bdd9d92a8a8314a966","abstract_canon_sha256":"a63aac0688a6a1d614b22bde802e410bd908a08e3ddcc6293cac618fb806ae3c"},"schema_version":"1.0"},"canonical_sha256":"571a5b7827ba8c5a32b39d5e467ef7a7efae088d2c746d4abe9d8671f9795090","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T00:17:16.387416Z","signature_b64":"iDfQwY22kPRHQqFikP5fySzCdPcELbiCqDVf0s1gnBgaSIfp7ZCwBSLIuAo30YcsD624y2xPccPZWYnradj0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"571a5b7827ba8c5a32b39d5e467ef7a7efae088d2c746d4abe9d8671f9795090","last_reissued_at":"2026-07-01T00:17:16.387022Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T00:17:16.387022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.30765","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":"2026-07-01T00:17:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZE8l3Y/3/jX3DDC/5ulKKYbGgSgJJhUPERYt2hA870ZKnTKn6/s1necjEZs1DbNRZu+4a1ATIoikYgRdEyeCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:53:47.832604Z"},"content_sha256":"c5ddc5f7489f828ab8beb3802886a055f44320ce9657456d98cae5944b36485a","schema_version":"1.0","event_id":"sha256:c5ddc5f7489f828ab8beb3802886a055f44320ce9657456d98cae5944b36485a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:K4NFW6BHXKGFUMVTTVPEM7XXU7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Reinforcement Learning for Individual Atomic Control and Cooling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Audrey Bartlett, David C. Spierings, Guoqing Wang, Isaac Chuang, Matthew L. Peters, Meng-Wei Chen, Niv Drucker, Vladan Vuleti\\'c","submitted_at":"2026-06-29T18:01:40Z","abstract_excerpt":"Real-time feedback control of quantum systems is often limited by partial observations, nonlinear dynamics and measurement noise, which make accurate model-based controllers difficult to design. Here we show that deep reinforcement learning can cool the motion of a single neutral atom coupled to a high-finesse optical cavity using only the continuously monitored cavity transmission. We first train the controller in simulation and then transfer it to the experiment, where online fine-tuning adapts it to unmodeled experimental dynamics. The learned policy damps the atom's motion in real time and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30765","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/2606.30765/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":"2026-07-01T00:17:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QAnnw6uEOBuDMEpcr4OWHMMQ2LmIrI7iBXN0MZhWwXmeLsdPoLMwLznfXs2tzuh2s1GbIYfVhhiMwWiiBznzAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:53:47.833153Z"},"content_sha256":"b4b16111d9c9ff46e3985d5970e437f3e4f6296826b105a7ebe332796dc727d7","schema_version":"1.0","event_id":"sha256:b4b16111d9c9ff46e3985d5970e437f3e4f6296826b105a7ebe332796dc727d7"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:K4NFW6BHXKGFUMVTTVPEM7XXU7","target":"integrity","payload":{"note":"Identifier '10.1063/1.5099284/13270163/101105_1_online.pdf' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.","snippet":"Y. Zheng, G.-C. Guo, and F.-W. Sun, Cool- ing of a levitated nanoparticle with digital para- metric feedback, Applied Physics Letters115, 101105 (2019), https://pubs.aip.org/aip/apl/article- pdf/doi/10.1063/1.5099284/13270163/101105_1_onlin","arxiv_id":"2606.30765","detector":"doi_compliance","evidence":{"doi":"10.1063/1.5099284/13270163/101105_1_online.pdf","arxiv_id":null,"ref_index":21,"raw_excerpt":"Y. Zheng, G.-C. Guo, and F.-W. Sun, Cool- ing of a levitated nanoparticle with digital para- metric feedback, Applied Physics Letters115, 101105 (2019), https://pubs.aip.org/aip/apl/article- pdf/doi/10.1063/1.5099284/13270163/101105_1_online.pdf","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":21,"audited_at":"2026-07-09T11:34:54.059243Z","event_type":"pith.integrity.v1","detected_doi":"10.1063/1.5099284/13270163/101105_1_online.pdf","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"d075195eec5fb5dde7c71a08e3a4d8535f2c10ec5fe7bcaf16ef8e9645ef08d6","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null,"integrity_event_id":8658,"payload_sha256":"1f4937f479277108a36d2d2b28065447bdbd3188bc79c91b3c4ef454377b88c0","signature_b64":"WzgPlhGIf0PqyDprxvE3m1LxUw9D2lt4bLr48ImE0LT07f6n4uPR7tO0RDj+sNkIHo9xKQk2vDAm/VboydtyDQ==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-09T11:37:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FSdw9XnJSQKr/D3QVoBClqghThwtegOFBEA43/iJrhCAZqrpl+H6yEiPBbHyCU22Si2C9+14d8wGDm6LgVbYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:53:47.837247Z"},"content_sha256":"17a352a02cec7f38c826115bcec332e3f242a1f835893465a5fdd0f798511849","schema_version":"1.0","event_id":"sha256:17a352a02cec7f38c826115bcec332e3f242a1f835893465a5fdd0f798511849"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/bundle.json","state_url":"https://pith.science/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/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":"2026-08-21T10:53:47Z","links":{"resolver":"https://pith.science/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7","bundle":"https://pith.science/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/bundle.json","state":"https://pith.science/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4NFW6BHXKGFUMVTTVPEM7XXU7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:K4NFW6BHXKGFUMVTTVPEM7XXU7","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a63aac0688a6a1d614b22bde802e410bd908a08e3ddcc6293cac618fb806ae3c","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T18:01:40Z","title_canon_sha256":"6395e3b7fcf8b8a5b9ae924ea1bc43066d7ecb5a874e56bdd9d92a8a8314a966"},"schema_version":"1.0","source":{"id":"2606.30765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30765","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30765v1","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30765","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_12","alias_value":"K4NFW6BHXKGF","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_16","alias_value":"K4NFW6BHXKGFUMVT","created_at":"2026-07-01T00:17:16Z"},{"alias_kind":"pith_short_8","alias_value":"K4NFW6BH","created_at":"2026-07-01T00:17:16Z"}],"graph_snapshots":[{"event_id":"sha256:b4b16111d9c9ff46e3985d5970e437f3e4f6296826b105a7ebe332796dc727d7","target":"graph","created_at":"2026-07-01T00:17:16Z","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/2606.30765/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Real-time feedback control of quantum systems is often limited by partial observations, nonlinear dynamics and measurement noise, which make accurate model-based controllers difficult to design. Here we show that deep reinforcement learning can cool the motion of a single neutral atom coupled to a high-finesse optical cavity using only the continuously monitored cavity transmission. We first train the controller in simulation and then transfer it to the experiment, where online fine-tuning adapts it to unmodeled experimental dynamics. The learned policy damps the atom's motion in real time and","authors_text":"Audrey Bartlett, David C. Spierings, Guoqing Wang, Isaac Chuang, Matthew L. Peters, Meng-Wei Chen, Niv Drucker, Vladan Vuleti\\'c","cross_cats":["physics.atom-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T18:01:40Z","title":"Deep Reinforcement Learning for Individual Atomic Control and Cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30765","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:c5ddc5f7489f828ab8beb3802886a055f44320ce9657456d98cae5944b36485a","target":"record","created_at":"2026-07-01T00:17:16Z","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":"a63aac0688a6a1d614b22bde802e410bd908a08e3ddcc6293cac618fb806ae3c","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T18:01:40Z","title_canon_sha256":"6395e3b7fcf8b8a5b9ae924ea1bc43066d7ecb5a874e56bdd9d92a8a8314a966"},"schema_version":"1.0","source":{"id":"2606.30765","kind":"arxiv","version":1}},"canonical_sha256":"571a5b7827ba8c5a32b39d5e467ef7a7efae088d2c746d4abe9d8671f9795090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"571a5b7827ba8c5a32b39d5e467ef7a7efae088d2c746d4abe9d8671f9795090","first_computed_at":"2026-07-01T00:17:16.387022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T00:17:16.387022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iDfQwY22kPRHQqFikP5fySzCdPcELbiCqDVf0s1gnBgaSIfp7ZCwBSLIuAo30YcsD624y2xPccPZWYnradj0Dw==","signature_status":"signed_v1","signed_at":"2026-07-01T00:17:16.387416Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.30765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5ddc5f7489f828ab8beb3802886a055f44320ce9657456d98cae5944b36485a","sha256:b4b16111d9c9ff46e3985d5970e437f3e4f6296826b105a7ebe332796dc727d7","sha256:17a352a02cec7f38c826115bcec332e3f242a1f835893465a5fdd0f798511849"],"state_sha256":"fed5311a01ad1f8b60f274a3f089a792d44ce41b2fa104d59102e91836907adb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nDP+lzjKNsHgouGZRJHmrobIVWItKwc9odDkySknB0Q+qIAiRCLEt2tFRMAKqKJd8KZpBGCjtUiVwZz1AmGoDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T10:53:47.839403Z","bundle_sha256":"52f737b70ae94d99720091232c68ada96c267bf73dfee2d9a17f4a666829e0bc"}}