{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VZZ7CKPAJ3ITLS65XS7T5Y4FIJ","short_pith_number":"pith:VZZ7CKPA","canonical_record":{"source":{"id":"1405.3371","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-14T06:08:52Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"48f5e6f472a78978ba5b44a051661e04a93395a71ac6fd7e22b87281969765cd","abstract_canon_sha256":"c395ba54519b9eebec78a6bd2176af9e6ae7000a8dde1f411db61d40892fe604"},"schema_version":"1.0"},"canonical_sha256":"ae73f129e04ed135cbddbcbf3ee385425cb37796a907d808d57593e256059546","source":{"kind":"arxiv","id":"1405.3371","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3371","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3371v1","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3371","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"VZZ7CKPAJ3IT","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VZZ7CKPAJ3ITLS65","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VZZ7CKPA","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VZZ7CKPAJ3ITLS65XS7T5Y4FIJ","target":"record","payload":{"canonical_record":{"source":{"id":"1405.3371","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-14T06:08:52Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"48f5e6f472a78978ba5b44a051661e04a93395a71ac6fd7e22b87281969765cd","abstract_canon_sha256":"c395ba54519b9eebec78a6bd2176af9e6ae7000a8dde1f411db61d40892fe604"},"schema_version":"1.0"},"canonical_sha256":"ae73f129e04ed135cbddbcbf3ee385425cb37796a907d808d57593e256059546","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:19.083982Z","signature_b64":"8X1kDQ5bmpKCYGdA/q9TWNksXqrbavW0FbJs9RsNTgSI354SooOkXEvQ6LouVQ48ZBY6vyR/8s5toTYZ3LxvCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae73f129e04ed135cbddbcbf3ee385425cb37796a907d808d57593e256059546","last_reissued_at":"2026-05-18T01:32:19.083434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:19.083434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.3371","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pOyhrgfFt9C3xopbpWds1xJt4wF/MQRCxV+kx7/K+g5Z2YvNWwV5RUQipiOpqrc+iRdDfZTtRcVREcjHJPq5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:26.006094Z"},"content_sha256":"fd09d4a1e303c23ac1d7eda87bc661241401886c3a9cb6fd38865cc8b42a9306","schema_version":"1.0","event_id":"sha256:fd09d4a1e303c23ac1d7eda87bc661241401886c3a9cb6fd38865cc8b42a9306"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VZZ7CKPAJ3ITLS65XS7T5Y4FIJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modular Cryogenic Interconnects for Multi-Qubit Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"cond-mat.mes-hall","authors_text":"D. J. Reilly, J. I. Colless","submitted_at":"2014-05-14T06:08:52Z","abstract_excerpt":"We have developed a modular interconnect platform for the control and readout of multiple solid-state qubits at cryogenic temperatures. The setup provides 74 filtered dc-bias connections, 32 control and readout connections with a bandwidth above 5 GHz, and 4 microwave feed lines that allow operation to above 10 GHz. The incorporation of a radio-frequency (rf) interposer enables the platform to be separated into two printed circuit boards, decoupling the simple board that is bonded to the qubit chip from the multilayer board that incorporates expensive connectors and components. This modular ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3371","kind":"arxiv","version":1},"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":"2026-05-18T01:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fmwqdhHIgK8VEmSg175Lvs49EfQasAPXJ0ne9dVvmK5K7kuo7b+E3dpDGeu9Cus9Hywy3PqqK9A9gA/DuCLbBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:26.006610Z"},"content_sha256":"414429da54586737db428744b3d34e9f05c1467403813c10b724bcabe843b231","schema_version":"1.0","event_id":"sha256:414429da54586737db428744b3d34e9f05c1467403813c10b724bcabe843b231"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/bundle.json","state_url":"https://pith.science/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/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":"2026-05-27T11:01:26Z","links":{"resolver":"https://pith.science/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ","bundle":"https://pith.science/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/bundle.json","state":"https://pith.science/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZZ7CKPAJ3ITLS65XS7T5Y4FIJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VZZ7CKPAJ3ITLS65XS7T5Y4FIJ","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":"c395ba54519b9eebec78a6bd2176af9e6ae7000a8dde1f411db61d40892fe604","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-14T06:08:52Z","title_canon_sha256":"48f5e6f472a78978ba5b44a051661e04a93395a71ac6fd7e22b87281969765cd"},"schema_version":"1.0","source":{"id":"1405.3371","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3371","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3371v1","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3371","created_at":"2026-05-18T01:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"VZZ7CKPAJ3IT","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VZZ7CKPAJ3ITLS65","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VZZ7CKPA","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:414429da54586737db428744b3d34e9f05c1467403813c10b724bcabe843b231","target":"graph","created_at":"2026-05-18T01:32:19Z","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 have developed a modular interconnect platform for the control and readout of multiple solid-state qubits at cryogenic temperatures. The setup provides 74 filtered dc-bias connections, 32 control and readout connections with a bandwidth above 5 GHz, and 4 microwave feed lines that allow operation to above 10 GHz. The incorporation of a radio-frequency (rf) interposer enables the platform to be separated into two printed circuit boards, decoupling the simple board that is bonded to the qubit chip from the multilayer board that incorporates expensive connectors and components. This modular ap","authors_text":"D. J. Reilly, J. I. Colless","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-14T06:08:52Z","title":"Modular Cryogenic Interconnects for Multi-Qubit Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3371","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:fd09d4a1e303c23ac1d7eda87bc661241401886c3a9cb6fd38865cc8b42a9306","target":"record","created_at":"2026-05-18T01:32:19Z","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":"c395ba54519b9eebec78a6bd2176af9e6ae7000a8dde1f411db61d40892fe604","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-14T06:08:52Z","title_canon_sha256":"48f5e6f472a78978ba5b44a051661e04a93395a71ac6fd7e22b87281969765cd"},"schema_version":"1.0","source":{"id":"1405.3371","kind":"arxiv","version":1}},"canonical_sha256":"ae73f129e04ed135cbddbcbf3ee385425cb37796a907d808d57593e256059546","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae73f129e04ed135cbddbcbf3ee385425cb37796a907d808d57593e256059546","first_computed_at":"2026-05-18T01:32:19.083434Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:19.083434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8X1kDQ5bmpKCYGdA/q9TWNksXqrbavW0FbJs9RsNTgSI354SooOkXEvQ6LouVQ48ZBY6vyR/8s5toTYZ3LxvCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:19.083982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.3371","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd09d4a1e303c23ac1d7eda87bc661241401886c3a9cb6fd38865cc8b42a9306","sha256:414429da54586737db428744b3d34e9f05c1467403813c10b724bcabe843b231"],"state_sha256":"e183244bdff07fb1c0b076a095816c6b26fd72df8690507f93a3a373e0d7aafb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8KCkzlgitJ4nf0DZpazMDO658N5QQ3f+GuyFoq17MWUPkrxBb8GXJUxtLWbhFJv0d12Bm4YX1GrHLm1Wb8+vDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:01:26.009201Z","bundle_sha256":"68502b835e8a2023be845a30865dee3016e18f8a9bf58f62b4e6226d01b75537"}}