{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:K62XOY3J7NMSZ32J7Y4RDKKGUB","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":"36a27448840184eef712b762162775502a7fdccdecdaab53b921994c04a4010f","cross_cats_sorted":["physics.atom-ph","physics.comp-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T18:00:25Z","title_canon_sha256":"1d771685c1d62928ce7cbb80e4fd655a7f41b4743dd4bd7aefdeec43111cc2ea"},"schema_version":"1.0","source":{"id":"2109.13954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.13954","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"arxiv_version","alias_value":"2109.13954v2","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13954","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_12","alias_value":"K62XOY3J7NMS","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_16","alias_value":"K62XOY3J7NMSZ32J","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_8","alias_value":"K62XOY3J","created_at":"2026-07-05T03:54:02Z"}],"graph_snapshots":[{"event_id":"sha256:5bf4b87432515c809126e678fa4baf3bd7561282bb04c3b1788628541db90541","target":"graph","created_at":"2026-07-05T03:54:02Z","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/2109.13954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Trapping cold neutral atoms in close proximity to nanostructures has raised a large interest in recent years, pushing the frontiers of cavity-QED and boosting the emergence of the waveguide-QED field of research. The design of efficient dipole trapping schemes in evanescent fields is a crucial requirement and a difficult task. Here we present an open-source Python package for calculating optical trapping potentials for neutral atoms, especially in the vicinity of nanostructures. Given field distributions and for a variety of trap configurations, nanotrappy computes the three-dimensional trappi","authors_text":"Adrien Bouscal, Alban Urvoy, J\\'er\\'emy Berroir, Julien Laurat, Tridib Ray","cross_cats":["physics.atom-ph","physics.comp-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T18:00:25Z","title":"Nanotrappy: An open-source versatile package for cold-atom trapping close to nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13954","kind":"arxiv","version":2},"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":"sha256:86803d5e3578b297670856714ef8abbf2f6199ffeda9d76b34bd38879e68c084","target":"record","created_at":"2026-07-05T03:54:02Z","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":"36a27448840184eef712b762162775502a7fdccdecdaab53b921994c04a4010f","cross_cats_sorted":["physics.atom-ph","physics.comp-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T18:00:25Z","title_canon_sha256":"1d771685c1d62928ce7cbb80e4fd655a7f41b4743dd4bd7aefdeec43111cc2ea"},"schema_version":"1.0","source":{"id":"2109.13954","kind":"arxiv","version":2}},"canonical_sha256":"57b5776369fb592cef49fe3911a946a05aa3777676c480258cac4c25233c3ec9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57b5776369fb592cef49fe3911a946a05aa3777676c480258cac4c25233c3ec9","first_computed_at":"2026-07-05T03:54:02.675856Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:02.675856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c6AqzhJNmrf8JzkiVL7xrjVBP2UmDeqkVb0DdORMbQdKkqMNMqLl7UPBFy8NYDltPaem6lJMdDwDfcROP252BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:02.676268Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.13954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86803d5e3578b297670856714ef8abbf2f6199ffeda9d76b34bd38879e68c084","sha256:5bf4b87432515c809126e678fa4baf3bd7561282bb04c3b1788628541db90541"],"state_sha256":"8f6a1ed3fa68cbca8bcde82ee8ebfe6f3f5ed08f1b3261315189f661774be5e0"}