{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FGJDQ7T75VA2EXTEXFN6DKHJ2V","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":"3a6b2e8f4942789d37278faf98ab9953a2de38436bf352708d0fa55e53bbddd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-04-01T20:41:44Z","title_canon_sha256":"6fcfb0e871a4aa7b8d618149a172adeda1d1ffb9d68c5bd034b0b367600be144"},"schema_version":"1.0","source":{"id":"2104.00759","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.00759","created_at":"2026-07-05T09:26:07Z"},{"alias_kind":"arxiv_version","alias_value":"2104.00759v1","created_at":"2026-07-05T09:26:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.00759","created_at":"2026-07-05T09:26:07Z"},{"alias_kind":"pith_short_12","alias_value":"FGJDQ7T75VA2","created_at":"2026-07-05T09:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FGJDQ7T75VA2EXTE","created_at":"2026-07-05T09:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FGJDQ7T7","created_at":"2026-07-05T09:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:dbd8608e2bb933e7f3152192950d9a6896acdd494538dbde14edb6cfd30af9f1","target":"graph","created_at":"2026-07-05T09:26:07Z","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/2104.00759/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Quantum Scientific Computing Open User Testbed (QSCOUT) at Sandia National Laboratories is a trapped-ion qubit system designed to evaluate the potential of near-term quantum hardware in scientific computing applications for the US Department of Energy (DOE) and its Advanced Scientific Computing Research (ASCR) program. Similar to commercially available platforms, most of which are based on superconducting qubits, it offers quantum hardware that researchers can use to perform quantum algorithms, investigate noise properties unique to quantum systems, and test novel ideas that will be useful","authors_text":"Ashlyn D. Burch, Bradley Salzbrenner, Christopher G. Yale, Craig W. Hogle, Daniel Lobser, Daniel Stick, David Bossert, Edward Winrow, Jessica Pehr, Joshua M. Wilson, Matthew N. Chow, Megan Ivory, Melissa Revelle, Peter Maunz, Susan M. Clark, William Sweatt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-04-01T20:41:44Z","title":"Engineering the Quantum Scientific Computing Open User Testbed (QSCOUT): Design details and user guide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.00759","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:ee45fd90104b95db74802338192d1b1a7badbc2b6626bc934f8acdf586519f26","target":"record","created_at":"2026-07-05T09:26:07Z","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":"3a6b2e8f4942789d37278faf98ab9953a2de38436bf352708d0fa55e53bbddd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-04-01T20:41:44Z","title_canon_sha256":"6fcfb0e871a4aa7b8d618149a172adeda1d1ffb9d68c5bd034b0b367600be144"},"schema_version":"1.0","source":{"id":"2104.00759","kind":"arxiv","version":1}},"canonical_sha256":"2992387e7fed41a25e64b95be1a8e9d559f12a15dc6d71bd50939178a227e032","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2992387e7fed41a25e64b95be1a8e9d559f12a15dc6d71bd50939178a227e032","first_computed_at":"2026-07-05T09:26:07.384815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:26:07.384815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H5lVhVOnNErw50jzu/xhmYksuvgj0y6Ctb1IFmbkPIYnBo4wqwjw23UYp5jz5T9ngsUrWNxmO9e/QKQs0MRDBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:26:07.385340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.00759","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee45fd90104b95db74802338192d1b1a7badbc2b6626bc934f8acdf586519f26","sha256:dbd8608e2bb933e7f3152192950d9a6896acdd494538dbde14edb6cfd30af9f1"],"state_sha256":"07e72b395251a8769da399e790d16da72884428d79e4783e116b2eedecad2e4d"}