{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LI35UU2N4R74JKQG6Y7M5LESJX","short_pith_number":"pith:LI35UU2N","canonical_record":{"source":{"id":"1009.2025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-09-10T14:46:29Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"3a362f633bf9acc5ea32bb13a2fd72240934ff2d93221bd17eceb85781b9e8d6","abstract_canon_sha256":"d28e9fb40ede191bc7caa6dc4d66df0b50a3aa048bf1658444bfe007b3ec436b"},"schema_version":"1.0"},"canonical_sha256":"5a37da534de47fc4aa06f63eceac924dc1740bdf8e594a59868d41b51b907009","source":{"kind":"arxiv","id":"1009.2025","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2025","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2025v2","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2025","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"pith_short_12","alias_value":"LI35UU2N4R74","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LI35UU2N4R74JKQG","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LI35UU2N","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LI35UU2N4R74JKQG6Y7M5LESJX","target":"record","payload":{"canonical_record":{"source":{"id":"1009.2025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-09-10T14:46:29Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"3a362f633bf9acc5ea32bb13a2fd72240934ff2d93221bd17eceb85781b9e8d6","abstract_canon_sha256":"d28e9fb40ede191bc7caa6dc4d66df0b50a3aa048bf1658444bfe007b3ec436b"},"schema_version":"1.0"},"canonical_sha256":"5a37da534de47fc4aa06f63eceac924dc1740bdf8e594a59868d41b51b907009","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:59.907754Z","signature_b64":"W9ZknhjswptYsSi6l4GC79QxxWjTQ4w7DIjKSliScY1JwoQ6ZWtPyb0tzLOdY51XJBpIls785iMoj+Y+D9g6DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a37da534de47fc4aa06f63eceac924dc1740bdf8e594a59868d41b51b907009","last_reissued_at":"2026-05-18T04:31:59.907199Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:59.907199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.2025","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:31:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sf35UZJHVoD+g54c31xhkm4dNbY2LandJb3dQz6QVvdvMgTnuzpqQp45z9D0oThacDHL/WO4EY2wgxK4SoG8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:28:46.579785Z"},"content_sha256":"2231ab02d1d5f7761b7347dc05d3dd53ad50e61a4eb4a683229a8a1f02b40205","schema_version":"1.0","event_id":"sha256:2231ab02d1d5f7761b7347dc05d3dd53ad50e61a4eb4a683229a8a1f02b40205"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LI35UU2N4R74JKQG6Y7M5LESJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-state geometric quantum computing in superconducting systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"J.-M. Pirkkalainen, M. M\\\"ott\\\"onen, P. Solinas","submitted_at":"2010-09-10T14:46:29Z","abstract_excerpt":"We present a theoretical proposal for the implementation of geometric quantum computing based on a Hamiltonian which has a doubly degenerate ground state. Thus the system which is steered adiabatically, remains in the ground-state. The proposed physical implementation relies on a superconducting circuit composed of three SQUIDs and two superconducting islands with the charge states encoding the logical states. We obtain a universal set of single-qubit gates and implement a non-trivial two-qubit gate exploiting the mutual inductance between two neighboring circuits, allowing us to realize a ful"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2025","kind":"arxiv","version":2},"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":"2026-05-18T04:31:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P8AhCO1bBT83o82mKQ/Bnj0OTnpKRXYW4fL9gzluN6ICk7p0xAsqrwHR1x6tGz4B5XCB3qcxpiAZPV7Ip63gDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:28:46.580503Z"},"content_sha256":"5ba0182ac7bb439278f9f73c8cb28e389b040131815149eeae0ac8adbab24bf8","schema_version":"1.0","event_id":"sha256:5ba0182ac7bb439278f9f73c8cb28e389b040131815149eeae0ac8adbab24bf8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LI35UU2N4R74JKQG6Y7M5LESJX/bundle.json","state_url":"https://pith.science/pith/LI35UU2N4R74JKQG6Y7M5LESJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LI35UU2N4R74JKQG6Y7M5LESJX/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":"2026-05-26T15:28:46Z","links":{"resolver":"https://pith.science/pith/LI35UU2N4R74JKQG6Y7M5LESJX","bundle":"https://pith.science/pith/LI35UU2N4R74JKQG6Y7M5LESJX/bundle.json","state":"https://pith.science/pith/LI35UU2N4R74JKQG6Y7M5LESJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LI35UU2N4R74JKQG6Y7M5LESJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LI35UU2N4R74JKQG6Y7M5LESJX","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":"d28e9fb40ede191bc7caa6dc4d66df0b50a3aa048bf1658444bfe007b3ec436b","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-09-10T14:46:29Z","title_canon_sha256":"3a362f633bf9acc5ea32bb13a2fd72240934ff2d93221bd17eceb85781b9e8d6"},"schema_version":"1.0","source":{"id":"1009.2025","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2025","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2025v2","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2025","created_at":"2026-05-18T04:31:59Z"},{"alias_kind":"pith_short_12","alias_value":"LI35UU2N4R74","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LI35UU2N4R74JKQG","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LI35UU2N","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:5ba0182ac7bb439278f9f73c8cb28e389b040131815149eeae0ac8adbab24bf8","target":"graph","created_at":"2026-05-18T04:31:59Z","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 present a theoretical proposal for the implementation of geometric quantum computing based on a Hamiltonian which has a doubly degenerate ground state. Thus the system which is steered adiabatically, remains in the ground-state. The proposed physical implementation relies on a superconducting circuit composed of three SQUIDs and two superconducting islands with the charge states encoding the logical states. We obtain a universal set of single-qubit gates and implement a non-trivial two-qubit gate exploiting the mutual inductance between two neighboring circuits, allowing us to realize a ful","authors_text":"J.-M. Pirkkalainen, M. M\\\"ott\\\"onen, P. Solinas","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-09-10T14:46:29Z","title":"Ground-state geometric quantum computing in superconducting systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2025","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":"sha256:2231ab02d1d5f7761b7347dc05d3dd53ad50e61a4eb4a683229a8a1f02b40205","target":"record","created_at":"2026-05-18T04:31:59Z","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":"d28e9fb40ede191bc7caa6dc4d66df0b50a3aa048bf1658444bfe007b3ec436b","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-09-10T14:46:29Z","title_canon_sha256":"3a362f633bf9acc5ea32bb13a2fd72240934ff2d93221bd17eceb85781b9e8d6"},"schema_version":"1.0","source":{"id":"1009.2025","kind":"arxiv","version":2}},"canonical_sha256":"5a37da534de47fc4aa06f63eceac924dc1740bdf8e594a59868d41b51b907009","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a37da534de47fc4aa06f63eceac924dc1740bdf8e594a59868d41b51b907009","first_computed_at":"2026-05-18T04:31:59.907199Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:59.907199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W9ZknhjswptYsSi6l4GC79QxxWjTQ4w7DIjKSliScY1JwoQ6ZWtPyb0tzLOdY51XJBpIls785iMoj+Y+D9g6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:59.907754Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.2025","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2231ab02d1d5f7761b7347dc05d3dd53ad50e61a4eb4a683229a8a1f02b40205","sha256:5ba0182ac7bb439278f9f73c8cb28e389b040131815149eeae0ac8adbab24bf8"],"state_sha256":"e68b132d5d76e004e2a8fbd7732b1a0541c9893c23e9dd561568cdce0c59c377"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cED1vVHEm0J9GkhEC3uOmXHYViNunnN2RSV6UMGXqzcdNpbLGsXStdlxCrINEy7SL8tdZJbLYpZ7GZwKYgdmAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:28:46.584559Z","bundle_sha256":"cb79b03cf106f6d5fb545631ef3ddad27deee5e87947f9741be9c461d393e03a"}}