{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VZMEOQVD45AFZAA25A4EOIVG7E","short_pith_number":"pith:VZMEOQVD","canonical_record":{"source":{"id":"2501.16872","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-28T11:53:14Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"a6aa667678a2ac7e547c7dfff9f0bcb3d1efc3b2b351343304e2105c6c05afb7","abstract_canon_sha256":"92a08aff9adc3a076d32dc43405759dff83727875bd99aca94fb6a1a0c386463"},"schema_version":"1.0"},"canonical_sha256":"ae584742a3e7405c801ae8384722a6f91f160d9b59e5aae5a348de44aa61e0fb","source":{"kind":"arxiv","id":"2501.16872","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16872","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16872v3","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16872","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"VZMEOQVD45AF","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_16","alias_value":"VZMEOQVD45AFZAA2","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_8","alias_value":"VZMEOQVD","created_at":"2026-07-05T10:07:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VZMEOQVD45AFZAA25A4EOIVG7E","target":"record","payload":{"canonical_record":{"source":{"id":"2501.16872","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-28T11:53:14Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"a6aa667678a2ac7e547c7dfff9f0bcb3d1efc3b2b351343304e2105c6c05afb7","abstract_canon_sha256":"92a08aff9adc3a076d32dc43405759dff83727875bd99aca94fb6a1a0c386463"},"schema_version":"1.0"},"canonical_sha256":"ae584742a3e7405c801ae8384722a6f91f160d9b59e5aae5a348de44aa61e0fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:02.956778Z","signature_b64":"Ge/o3KJPRdcO4FKhQoZibSqQtLhFPyBqlTv9XO0CWJrunPH9GmuN0KNLx0W4RDGEr2Tl0pWVyqr6ZL61T6oKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae584742a3e7405c801ae8384722a6f91f160d9b59e5aae5a348de44aa61e0fb","last_reissued_at":"2026-07-05T10:07:02.956335Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:02.956335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.16872","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1k1sXIStJSRrmmiZcdHRhU9fnhqDCKREP5OTfMTcbrkgI3z/9qNPxuK0ArMeY0rbMZ5h+NUl/yoWBNK6LWogBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T14:16:36.277579Z"},"content_sha256":"e1f6b71fbc683b8ec0282e1fd11d79a304531ad9860f3458dd5f4025bf36d5fc","schema_version":"1.0","event_id":"sha256:e1f6b71fbc683b8ec0282e1fd11d79a304531ad9860f3458dd5f4025bf36d5fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VZMEOQVD45AFZAA25A4EOIVG7E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Space-Time-Coupled Qubits for Enhanced Superconducting Quantum Computing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Sajjad Taravati","submitted_at":"2025-01-28T11:53:14Z","abstract_excerpt":"The pursuit of scalable and robust quantum computing necessitates innovative approaches to overcome the inherent challenges of qubit connectivity, decoherence, and susceptibility to noise and crosstalk. Conventional monochromatic qubit coupling architectures, constrained by nearest-neighbor interactions and limited algorithmic flexibility, exacerbate these issues, hindering the realization of practical large-scale quantum processors. In this work, we introduce a paradigm leveraging a space-time-modulated cryogenic-compatible Josephson metasurface to enable polychromatic qubit coupling. This me"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16872","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.16872/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+0uUz3vXPO8bLWTDbmd2otWCyH2mNWdW4li6UOqtYrecpMNXJNmnKtokWhnonsBW/towZ//p+JrXSkTl3aolDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T14:16:36.278121Z"},"content_sha256":"c21248a143582e5b5cd8fc2aa986b24f2cd3a6c44355a0aa14fd1e514538b50d","schema_version":"1.0","event_id":"sha256:c21248a143582e5b5cd8fc2aa986b24f2cd3a6c44355a0aa14fd1e514538b50d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZMEOQVD45AFZAA25A4EOIVG7E/bundle.json","state_url":"https://pith.science/pith/VZMEOQVD45AFZAA25A4EOIVG7E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZMEOQVD45AFZAA25A4EOIVG7E/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":"2026-08-13T14:16:36Z","links":{"resolver":"https://pith.science/pith/VZMEOQVD45AFZAA25A4EOIVG7E","bundle":"https://pith.science/pith/VZMEOQVD45AFZAA25A4EOIVG7E/bundle.json","state":"https://pith.science/pith/VZMEOQVD45AFZAA25A4EOIVG7E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZMEOQVD45AFZAA25A4EOIVG7E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VZMEOQVD45AFZAA25A4EOIVG7E","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":"92a08aff9adc3a076d32dc43405759dff83727875bd99aca94fb6a1a0c386463","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-28T11:53:14Z","title_canon_sha256":"a6aa667678a2ac7e547c7dfff9f0bcb3d1efc3b2b351343304e2105c6c05afb7"},"schema_version":"1.0","source":{"id":"2501.16872","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16872","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16872v3","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16872","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"VZMEOQVD45AF","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_16","alias_value":"VZMEOQVD45AFZAA2","created_at":"2026-07-05T10:07:02Z"},{"alias_kind":"pith_short_8","alias_value":"VZMEOQVD","created_at":"2026-07-05T10:07:02Z"}],"graph_snapshots":[{"event_id":"sha256:c21248a143582e5b5cd8fc2aa986b24f2cd3a6c44355a0aa14fd1e514538b50d","target":"graph","created_at":"2026-07-05T10:07:02Z","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/2501.16872/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The pursuit of scalable and robust quantum computing necessitates innovative approaches to overcome the inherent challenges of qubit connectivity, decoherence, and susceptibility to noise and crosstalk. Conventional monochromatic qubit coupling architectures, constrained by nearest-neighbor interactions and limited algorithmic flexibility, exacerbate these issues, hindering the realization of practical large-scale quantum processors. In this work, we introduce a paradigm leveraging a space-time-modulated cryogenic-compatible Josephson metasurface to enable polychromatic qubit coupling. This me","authors_text":"Sajjad Taravati","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-28T11:53:14Z","title":"Space-Time-Coupled Qubits for Enhanced Superconducting Quantum Computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16872","kind":"arxiv","version":3},"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:e1f6b71fbc683b8ec0282e1fd11d79a304531ad9860f3458dd5f4025bf36d5fc","target":"record","created_at":"2026-07-05T10:07:02Z","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":"92a08aff9adc3a076d32dc43405759dff83727875bd99aca94fb6a1a0c386463","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-28T11:53:14Z","title_canon_sha256":"a6aa667678a2ac7e547c7dfff9f0bcb3d1efc3b2b351343304e2105c6c05afb7"},"schema_version":"1.0","source":{"id":"2501.16872","kind":"arxiv","version":3}},"canonical_sha256":"ae584742a3e7405c801ae8384722a6f91f160d9b59e5aae5a348de44aa61e0fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae584742a3e7405c801ae8384722a6f91f160d9b59e5aae5a348de44aa61e0fb","first_computed_at":"2026-07-05T10:07:02.956335Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:07:02.956335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ge/o3KJPRdcO4FKhQoZibSqQtLhFPyBqlTv9XO0CWJrunPH9GmuN0KNLx0W4RDGEr2Tl0pWVyqr6ZL61T6oKDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:07:02.956778Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.16872","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1f6b71fbc683b8ec0282e1fd11d79a304531ad9860f3458dd5f4025bf36d5fc","sha256:c21248a143582e5b5cd8fc2aa986b24f2cd3a6c44355a0aa14fd1e514538b50d"],"state_sha256":"5740a7a1ebf22f95a0b0a09fbc1e7861be116ba8ff8cfdb6028bb9328f6d432f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9LPkY8JCC2Yr4YbyuOdsvoVHBZW2EAvGG8mqDvOEx1Ur5E6o0qP2Uu0lfG1m20hqJTX1ComfpbcxnzPaf+37DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T14:16:36.319131Z","bundle_sha256":"433685fd66c8fc025d46a05c67b1009ab0bdde576dee4a707d478e8896a98dab"}}