{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Q32K6EVRE7GQTASXXS4DZI6QJJ","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":"11df4da492dd14b0edb96a553abcd6f42a67448bd603a7b8216413fce5cd5bf2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-23T12:27:09Z","title_canon_sha256":"49076a42d3a10d6f02f90f168f803dce175bfa8bde69ae099216f8b1a095be44"},"schema_version":"1.0","source":{"id":"2205.11263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.11263","created_at":"2026-07-05T05:11:39Z"},{"alias_kind":"arxiv_version","alias_value":"2205.11263v1","created_at":"2026-07-05T05:11:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.11263","created_at":"2026-07-05T05:11:39Z"},{"alias_kind":"pith_short_12","alias_value":"Q32K6EVRE7GQ","created_at":"2026-07-05T05:11:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q32K6EVRE7GQTASX","created_at":"2026-07-05T05:11:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q32K6EVR","created_at":"2026-07-05T05:11:39Z"}],"graph_snapshots":[{"event_id":"sha256:6ee5d700a46f39cd73870da279354b850f47f53bbc2a01aebbf7c1903788fd8c","target":"graph","created_at":"2026-07-05T05:11:39Z","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/2205.11263/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the non-equilibrium behavior of a central spin system where the central spin is periodically reset to its ground state. The quantum mechanical evolution under this effectively dissipative dynamics is described by a discrete-time quantum map. Despite its simplicity this problem shows surprisingly complex dynamical features. In particular, we identify several metastable time-crystal resonances. Here the system does not relax rapidly to a stationary state but undergoes long-lived oscillations with a period that is an integer multiple of the reset period. At these resonances the evolut","authors_text":"Albert Cabot, Federico Carollo, Igor Lesanovsky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-23T12:27:09Z","title":"Metastable discrete time-crystal resonances in a dissipative central spin system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.11263","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":"sha256:3a9b1f0cfd8c8bbc2131051d943a3b7319b54812409cce05d96e579a2c2ae2d9","target":"record","created_at":"2026-07-05T05:11:39Z","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":"11df4da492dd14b0edb96a553abcd6f42a67448bd603a7b8216413fce5cd5bf2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-23T12:27:09Z","title_canon_sha256":"49076a42d3a10d6f02f90f168f803dce175bfa8bde69ae099216f8b1a095be44"},"schema_version":"1.0","source":{"id":"2205.11263","kind":"arxiv","version":1}},"canonical_sha256":"86f4af12b127cd098257bcb83ca3d04a67053460cc498faf87ba5f0a9096cd20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86f4af12b127cd098257bcb83ca3d04a67053460cc498faf87ba5f0a9096cd20","first_computed_at":"2026-07-05T05:11:39.133090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:11:39.133090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pwmm4Nsu3tdG/4M8kONtajle2uLgb4yynPYaObjqxFAeLvyShUtfYIIQ/KzPSLlEKe9W4dVm/blRlVMI5qVqDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:11:39.133634Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.11263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a9b1f0cfd8c8bbc2131051d943a3b7319b54812409cce05d96e579a2c2ae2d9","sha256:6ee5d700a46f39cd73870da279354b850f47f53bbc2a01aebbf7c1903788fd8c"],"state_sha256":"fa0e9ce1ac979a42e57724020fa178f7c90ab536fada116534a3fe97517653ca"}