{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MTDN7VWUAAMCK4D7T6C36YJ5VJ","short_pith_number":"pith:MTDN7VWU","canonical_record":{"source":{"id":"1510.04744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-15T23:16:24Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"51347296e710ddf61cd464a0fff4c8889014007821d3ca4dd23518a90b5efc5d","abstract_canon_sha256":"3887d518af5105a0f01307f3d3c87ae570b4a30af7b86f627dd45418c15f2fee"},"schema_version":"1.0"},"canonical_sha256":"64c6dfd6d4001825707f9f85bf613daa626c80ad7c23787b484c4b2583096e8c","source":{"kind":"arxiv","id":"1510.04744","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04744","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04744v1","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04744","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"MTDN7VWUAAMC","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MTDN7VWUAAMCK4D7","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MTDN7VWU","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MTDN7VWUAAMCK4D7T6C36YJ5VJ","target":"record","payload":{"canonical_record":{"source":{"id":"1510.04744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-15T23:16:24Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"51347296e710ddf61cd464a0fff4c8889014007821d3ca4dd23518a90b5efc5d","abstract_canon_sha256":"3887d518af5105a0f01307f3d3c87ae570b4a30af7b86f627dd45418c15f2fee"},"schema_version":"1.0"},"canonical_sha256":"64c6dfd6d4001825707f9f85bf613daa626c80ad7c23787b484c4b2583096e8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:24.210841Z","signature_b64":"7MHk7CedRlKNmOsmvuD4tXevMQG/6r5o1JH8o4T98ik25SnEgVQi8qREaKZyyvSnXAa/sbqqgF8PPk3X0kX1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64c6dfd6d4001825707f9f85bf613daa626c80ad7c23787b484c4b2583096e8c","last_reissued_at":"2026-05-18T01:24:24.210139Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:24.210139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.04744","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":"2026-05-18T01:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n68P5ysAYege9R8SgaeII1xb1WLxQ4C0jqiAG+shuOwrRdvifQuDOWxqR6jTqd31/NYJVZBDPYuTi1qav90yAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:19:12.986397Z"},"content_sha256":"b38d53bd459f5c1938171a332efd54769545d809f6325803489b20e16bba2882","schema_version":"1.0","event_id":"sha256:b38d53bd459f5c1938171a332efd54769545d809f6325803489b20e16bba2882"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MTDN7VWUAAMCK4D7T6C36YJ5VJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imaging and addressing of individual fermionic atoms in an optical lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"D. C. McKay, D. Jervis, G. J. A. Edge, J. H. Thywissen, R. Anderson, R. Day, S. Trotzky","submitted_at":"2015-10-15T23:16:24Z","abstract_excerpt":"We demonstrate fluorescence microscopy of individual fermionic potassium atoms in a 527-nm-period optical lattice. Using electromagnetically induced transparency (EIT) cooling on the 770.1-nm D$_1$ transition of $^{40}$K, we find that atoms remain at individual sites of a 0.3-mK-deep lattice, with a $1/e$ pinning lifetime of $67(9)\\,\\rm{s}$, while scattering $\\sim 10^3$ photons per second. The plane to be imaged is isolated using microwave spectroscopy in a magnetic field gradient, and can be chosen at any depth within the three-dimensional lattice. With a similar protocol, we also demonstrate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04744","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":"2026-05-18T01:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y7p8Ju036Bc0IYdnTlrRRrVe3AGrJNEizZFjbcCcXGnBhd5yp7FEB+FkCcHYEo9JyyBwaEJLsxDyOROjHfPKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:19:12.986799Z"},"content_sha256":"663b20523bfd244b79c54656947400e212bfa5fe3310fef61cf69462c4a0ea28","schema_version":"1.0","event_id":"sha256:663b20523bfd244b79c54656947400e212bfa5fe3310fef61cf69462c4a0ea28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/bundle.json","state_url":"https://pith.science/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/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":"2026-05-30T21:19:12Z","links":{"resolver":"https://pith.science/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ","bundle":"https://pith.science/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/bundle.json","state":"https://pith.science/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTDN7VWUAAMCK4D7T6C36YJ5VJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MTDN7VWUAAMCK4D7T6C36YJ5VJ","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":"3887d518af5105a0f01307f3d3c87ae570b4a30af7b86f627dd45418c15f2fee","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-15T23:16:24Z","title_canon_sha256":"51347296e710ddf61cd464a0fff4c8889014007821d3ca4dd23518a90b5efc5d"},"schema_version":"1.0","source":{"id":"1510.04744","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04744","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04744v1","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04744","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"MTDN7VWUAAMC","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MTDN7VWUAAMCK4D7","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MTDN7VWU","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:663b20523bfd244b79c54656947400e212bfa5fe3310fef61cf69462c4a0ea28","target":"graph","created_at":"2026-05-18T01:24:24Z","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 demonstrate fluorescence microscopy of individual fermionic potassium atoms in a 527-nm-period optical lattice. Using electromagnetically induced transparency (EIT) cooling on the 770.1-nm D$_1$ transition of $^{40}$K, we find that atoms remain at individual sites of a 0.3-mK-deep lattice, with a $1/e$ pinning lifetime of $67(9)\\,\\rm{s}$, while scattering $\\sim 10^3$ photons per second. The plane to be imaged is isolated using microwave spectroscopy in a magnetic field gradient, and can be chosen at any depth within the three-dimensional lattice. With a similar protocol, we also demonstrate","authors_text":"D. C. McKay, D. Jervis, G. J. A. Edge, J. H. Thywissen, R. Anderson, R. Day, S. Trotzky","cross_cats":["physics.atom-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-15T23:16:24Z","title":"Imaging and addressing of individual fermionic atoms in an optical lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04744","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:b38d53bd459f5c1938171a332efd54769545d809f6325803489b20e16bba2882","target":"record","created_at":"2026-05-18T01:24:24Z","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":"3887d518af5105a0f01307f3d3c87ae570b4a30af7b86f627dd45418c15f2fee","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-15T23:16:24Z","title_canon_sha256":"51347296e710ddf61cd464a0fff4c8889014007821d3ca4dd23518a90b5efc5d"},"schema_version":"1.0","source":{"id":"1510.04744","kind":"arxiv","version":1}},"canonical_sha256":"64c6dfd6d4001825707f9f85bf613daa626c80ad7c23787b484c4b2583096e8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64c6dfd6d4001825707f9f85bf613daa626c80ad7c23787b484c4b2583096e8c","first_computed_at":"2026-05-18T01:24:24.210139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:24.210139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7MHk7CedRlKNmOsmvuD4tXevMQG/6r5o1JH8o4T98ik25SnEgVQi8qREaKZyyvSnXAa/sbqqgF8PPk3X0kX1CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:24.210841Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.04744","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b38d53bd459f5c1938171a332efd54769545d809f6325803489b20e16bba2882","sha256:663b20523bfd244b79c54656947400e212bfa5fe3310fef61cf69462c4a0ea28"],"state_sha256":"1d355f36ef12cfd58b008d807afb0467d8f83ad66918a0f01324dc4c53688f92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7hb+gglOmuZuv7QBoRMhpeYVXHOqDComrO0xpsAJt2J7bS34LScsWQpX9Mmw97rF1J9vS8vHX8JFIigy5M/Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:19:12.989471Z","bundle_sha256":"248bf32d150f96268e6823a433c0070615b946db95aa8fb3eb151e957df87b68"}}