{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:ZMBTDA5W6B32EPHK5HAWMJWWCF","short_pith_number":"pith:ZMBTDA5W","canonical_record":{"source":{"id":"2010.15407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-10-29T08:12:12Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"732f63d175913b195e0a15894f8ab9a7abf8b5b89fed5cd78615215d873dd8e7","abstract_canon_sha256":"fb6f812b2520204e83502ab55c148f45c0ecd014d6d83378ca99da84992db7f1"},"schema_version":"1.0"},"canonical_sha256":"cb033183b6f077a23ceae9c16626d6115544f013a736c6f36a8239a980978ee7","source":{"kind":"arxiv","id":"2010.15407","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15407","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15407v1","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15407","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZMBTDA5W6B32","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_16","alias_value":"ZMBTDA5W6B32EPHK","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_8","alias_value":"ZMBTDA5W","created_at":"2026-07-05T05:43:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:ZMBTDA5W6B32EPHK5HAWMJWWCF","target":"record","payload":{"canonical_record":{"source":{"id":"2010.15407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-10-29T08:12:12Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"732f63d175913b195e0a15894f8ab9a7abf8b5b89fed5cd78615215d873dd8e7","abstract_canon_sha256":"fb6f812b2520204e83502ab55c148f45c0ecd014d6d83378ca99da84992db7f1"},"schema_version":"1.0"},"canonical_sha256":"cb033183b6f077a23ceae9c16626d6115544f013a736c6f36a8239a980978ee7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:43:44.829297Z","signature_b64":"xw4nrv//jqIdGDuurUaBc3xJJsUyM4810NYJP/dEiCAU3UaxU1Q4o9MGw2b+BEjY4D9IGYj1vH+TR/Utej7SCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb033183b6f077a23ceae9c16626d6115544f013a736c6f36a8239a980978ee7","last_reissued_at":"2026-07-05T05:43:44.828739Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:43:44.828739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.15407","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":"2026-07-05T05:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"04FF8veev0BuO8uB4CWgFO3g79jSz2GwC54GK+omjIzZHwFNg5zXForEEguMvTY0W50oTO51A+oFuNM5H/A/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:11:42.497712Z"},"content_sha256":"e433932e4ab8954d822054a9ceabf9ef0179a6d48b05f60e3722ce4b0493cf43","schema_version":"1.0","event_id":"sha256:e433932e4ab8954d822054a9ceabf9ef0179a6d48b05f60e3722ce4b0493cf43"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:ZMBTDA5W6B32EPHK5HAWMJWWCF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum gas microscopy for single atom and spin detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Christian Gross, Waseem S. Bakr","submitted_at":"2020-10-29T08:12:12Z","abstract_excerpt":"A particular strength of ultracold quantum gases are the versatile detection methods available. Since they are based on atom-light interactions, the whole quantum optics toolbox can be used to tailor the detection process to the specific scientific question to be explored in the experiment. Common methods include time-of-flight measurements to access the momentum distribution of the gas, the use of cavities to monitor global properties of the quantum gas with minimal disturbance and phase-contrast or high-intensity absorption imaging to obtain local real space information in high-density setti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15407","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/2010.15407/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":"2026-07-05T05:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a/V/cUtGnXvmzlqOZ1UgFGpHGvVcvDyY6PNQQVuwPxxRpmom9jBDrwcbl2y8LrYKW2KKB98BOL6HOYcdudJ5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:11:42.498425Z"},"content_sha256":"e2e2e810f2848ce48d605af816e34a58c83c0295d2572820ec68574088bf9f4f","schema_version":"1.0","event_id":"sha256:e2e2e810f2848ce48d605af816e34a58c83c0295d2572820ec68574088bf9f4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/bundle.json","state_url":"https://pith.science/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/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":"2026-08-16T11:11:42Z","links":{"resolver":"https://pith.science/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF","bundle":"https://pith.science/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/bundle.json","state":"https://pith.science/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZMBTDA5W6B32EPHK5HAWMJWWCF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ZMBTDA5W6B32EPHK5HAWMJWWCF","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":"fb6f812b2520204e83502ab55c148f45c0ecd014d6d83378ca99da84992db7f1","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-10-29T08:12:12Z","title_canon_sha256":"732f63d175913b195e0a15894f8ab9a7abf8b5b89fed5cd78615215d873dd8e7"},"schema_version":"1.0","source":{"id":"2010.15407","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15407","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15407v1","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15407","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZMBTDA5W6B32","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_16","alias_value":"ZMBTDA5W6B32EPHK","created_at":"2026-07-05T05:43:44Z"},{"alias_kind":"pith_short_8","alias_value":"ZMBTDA5W","created_at":"2026-07-05T05:43:44Z"}],"graph_snapshots":[{"event_id":"sha256:e2e2e810f2848ce48d605af816e34a58c83c0295d2572820ec68574088bf9f4f","target":"graph","created_at":"2026-07-05T05:43:44Z","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/2010.15407/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A particular strength of ultracold quantum gases are the versatile detection methods available. Since they are based on atom-light interactions, the whole quantum optics toolbox can be used to tailor the detection process to the specific scientific question to be explored in the experiment. Common methods include time-of-flight measurements to access the momentum distribution of the gas, the use of cavities to monitor global properties of the quantum gas with minimal disturbance and phase-contrast or high-intensity absorption imaging to obtain local real space information in high-density setti","authors_text":"Christian Gross, Waseem S. Bakr","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-10-29T08:12:12Z","title":"Quantum gas microscopy for single atom and spin detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15407","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:e433932e4ab8954d822054a9ceabf9ef0179a6d48b05f60e3722ce4b0493cf43","target":"record","created_at":"2026-07-05T05:43:44Z","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":"fb6f812b2520204e83502ab55c148f45c0ecd014d6d83378ca99da84992db7f1","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-10-29T08:12:12Z","title_canon_sha256":"732f63d175913b195e0a15894f8ab9a7abf8b5b89fed5cd78615215d873dd8e7"},"schema_version":"1.0","source":{"id":"2010.15407","kind":"arxiv","version":1}},"canonical_sha256":"cb033183b6f077a23ceae9c16626d6115544f013a736c6f36a8239a980978ee7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb033183b6f077a23ceae9c16626d6115544f013a736c6f36a8239a980978ee7","first_computed_at":"2026-07-05T05:43:44.828739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:43:44.828739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xw4nrv//jqIdGDuurUaBc3xJJsUyM4810NYJP/dEiCAU3UaxU1Q4o9MGw2b+BEjY4D9IGYj1vH+TR/Utej7SCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:43:44.829297Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.15407","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e433932e4ab8954d822054a9ceabf9ef0179a6d48b05f60e3722ce4b0493cf43","sha256:e2e2e810f2848ce48d605af816e34a58c83c0295d2572820ec68574088bf9f4f"],"state_sha256":"b8dd81abf727dfec59368caffdbdf4e8cbd45d371f8576c0334448bedcab54b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvjhASaTYnPz2M8z0RvHeNbo4qpEWQe6ae7+u5ibb5Q3lIf0mfPAA3kY/wm5oPQX3N2KhUaw/SyGUCo8nnemAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T11:11:42.502184Z","bundle_sha256":"4d9a071ba23c8fa2b4e2b4065d101b4288b41e5d7c6052263d7b7be36d254ba9"}}