{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SS4KTKWD3FK6RQQCY7BXVJV7XQ","short_pith_number":"pith:SS4KTKWD","canonical_record":{"source":{"id":"2505.08424","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-13T10:36:20Z","cross_cats_sorted":[],"title_canon_sha256":"49e80f49b9fce9f3bcf1b19586411b972f29314a97bd998bb623ffb48b57ef6e","abstract_canon_sha256":"ceb0b34f058caa986bd7e80579daf0f497939dde4ce4a3db0a9d71399fd32dd3"},"schema_version":"1.0"},"canonical_sha256":"94b8a9aac3d955e8c202c7c37aa6bfbc28b98725d9f5b704fdb32fc608fdb605","source":{"kind":"arxiv","id":"2505.08424","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08424","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08424v3","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08424","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"SS4KTKWD3FK6","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"SS4KTKWD3FK6RQQC","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"SS4KTKWD","created_at":"2026-07-05T11:05:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SS4KTKWD3FK6RQQCY7BXVJV7XQ","target":"record","payload":{"canonical_record":{"source":{"id":"2505.08424","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-13T10:36:20Z","cross_cats_sorted":[],"title_canon_sha256":"49e80f49b9fce9f3bcf1b19586411b972f29314a97bd998bb623ffb48b57ef6e","abstract_canon_sha256":"ceb0b34f058caa986bd7e80579daf0f497939dde4ce4a3db0a9d71399fd32dd3"},"schema_version":"1.0"},"canonical_sha256":"94b8a9aac3d955e8c202c7c37aa6bfbc28b98725d9f5b704fdb32fc608fdb605","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:05:44.319583Z","signature_b64":"zQuQ16PyqADWxTRR67daqi0cS8HRDul0myvpqDqbNRTbqLNAoZkJbLmK73ZJdN5Jzis0KOfMwwIPstvsv5u+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94b8a9aac3d955e8c202c7c37aa6bfbc28b98725d9f5b704fdb32fc608fdb605","last_reissued_at":"2026-07-05T11:05:44.319094Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:05:44.319094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.08424","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":"2026-07-05T11:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nfSSLqb11/1qZQ1eNKjoPfQsym1MCL9lfNU/XU0Wwn2v4k5e4sQjE/xIB7JzE+Fz4pB4vlDclGqIBHhMfilKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T23:01:30.758095Z"},"content_sha256":"fe004e85303318f41e3b48449d5b9ec73a89ca803229f3979c260703bd113a75","schema_version":"1.0","event_id":"sha256:fe004e85303318f41e3b48449d5b9ec73a89ca803229f3979c260703bd113a75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SS4KTKWD3FK6RQQCY7BXVJV7XQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CMOS-Compatible, Wafer-Scale Processed Superconducting Qubits Exceeding Energy Relaxation Times of 200us","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Maiwald, B. Kiliclar, C. Dhieb, C. Kutter, C. Moran Guizan, D. Zahn, E. Music, I. Eisele, J. Weber, L. Schwarzenbach, R.N. Pereira, S. J. K. Lang, T. Mayer, W. Lerch, Z. Luo","submitted_at":"2025-05-13T10:36:20Z","abstract_excerpt":"We present the results of an industry-grade fabrication of superconducting qubits on 200 mm wafers utilizing CMOS-established processing methods. By automated waferprober resistance measurements at room temperature, we demonstrate a Josephson junction fabrication yield of 99.7% (shorts and opens) across more than 10000 junctions and a qubit frequency prediction accuracy of 1.6%. In cryogenic characterization, we provide statistical results regarding energy relaxation times of the qubits with a median T1 of up to 100 us and individual devices consistently approaching 200 us in long-term measure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08424","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/2505.08424/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":"2026-07-05T11:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Tlq8UNv+NkXa7VzsAuH1312J3mHV/+mfxmTybWYso90BXsKmoBLDCPDVw770XyEtXo8pmM8cBWgcBNVwTA7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T23:01:30.758528Z"},"content_sha256":"45b6aff64f35888be594e8e90e98627fc767eaf1daa4f98421dd961fdc2670bc","schema_version":"1.0","event_id":"sha256:45b6aff64f35888be594e8e90e98627fc767eaf1daa4f98421dd961fdc2670bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/bundle.json","state_url":"https://pith.science/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/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":"2026-07-31T23:01:30Z","links":{"resolver":"https://pith.science/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ","bundle":"https://pith.science/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/bundle.json","state":"https://pith.science/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SS4KTKWD3FK6RQQCY7BXVJV7XQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SS4KTKWD3FK6RQQCY7BXVJV7XQ","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":"ceb0b34f058caa986bd7e80579daf0f497939dde4ce4a3db0a9d71399fd32dd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-13T10:36:20Z","title_canon_sha256":"49e80f49b9fce9f3bcf1b19586411b972f29314a97bd998bb623ffb48b57ef6e"},"schema_version":"1.0","source":{"id":"2505.08424","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08424","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08424v3","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08424","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"SS4KTKWD3FK6","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"SS4KTKWD3FK6RQQC","created_at":"2026-07-05T11:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"SS4KTKWD","created_at":"2026-07-05T11:05:44Z"}],"graph_snapshots":[{"event_id":"sha256:45b6aff64f35888be594e8e90e98627fc767eaf1daa4f98421dd961fdc2670bc","target":"graph","created_at":"2026-07-05T11:05:44Z","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/2505.08424/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of an industry-grade fabrication of superconducting qubits on 200 mm wafers utilizing CMOS-established processing methods. By automated waferprober resistance measurements at room temperature, we demonstrate a Josephson junction fabrication yield of 99.7% (shorts and opens) across more than 10000 junctions and a qubit frequency prediction accuracy of 1.6%. In cryogenic characterization, we provide statistical results regarding energy relaxation times of the qubits with a median T1 of up to 100 us and individual devices consistently approaching 200 us in long-term measure","authors_text":"A. Maiwald, B. Kiliclar, C. Dhieb, C. Kutter, C. Moran Guizan, D. Zahn, E. Music, I. Eisele, J. Weber, L. Schwarzenbach, R.N. Pereira, S. J. K. Lang, T. Mayer, W. Lerch, Z. Luo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-13T10:36:20Z","title":"CMOS-Compatible, Wafer-Scale Processed Superconducting Qubits Exceeding Energy Relaxation Times of 200us"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08424","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:fe004e85303318f41e3b48449d5b9ec73a89ca803229f3979c260703bd113a75","target":"record","created_at":"2026-07-05T11:05:44Z","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":"ceb0b34f058caa986bd7e80579daf0f497939dde4ce4a3db0a9d71399fd32dd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-13T10:36:20Z","title_canon_sha256":"49e80f49b9fce9f3bcf1b19586411b972f29314a97bd998bb623ffb48b57ef6e"},"schema_version":"1.0","source":{"id":"2505.08424","kind":"arxiv","version":3}},"canonical_sha256":"94b8a9aac3d955e8c202c7c37aa6bfbc28b98725d9f5b704fdb32fc608fdb605","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94b8a9aac3d955e8c202c7c37aa6bfbc28b98725d9f5b704fdb32fc608fdb605","first_computed_at":"2026-07-05T11:05:44.319094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:05:44.319094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zQuQ16PyqADWxTRR67daqi0cS8HRDul0myvpqDqbNRTbqLNAoZkJbLmK73ZJdN5Jzis0KOfMwwIPstvsv5u+BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:05:44.319583Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.08424","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe004e85303318f41e3b48449d5b9ec73a89ca803229f3979c260703bd113a75","sha256:45b6aff64f35888be594e8e90e98627fc767eaf1daa4f98421dd961fdc2670bc"],"state_sha256":"dc59201de9d2d3122f841a60bf7802d95e2529e665ac59027a3ef38130d12bdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FHmexoQrSScpp91TFPwwEf5vQNeBu0kdFhfz7S/H8Dp6rW0yqjAmDlvOhmX1CBf3XxQbW/ubEDEF1NDQ7af7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T23:01:30.763800Z","bundle_sha256":"bd39c4ddf39bd164a41a58072601bed7270cc92a45e233793ae1c0ee8a833630"}}