{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5JMCD2NSMT2PQSK6MCZ25BT7MI","short_pith_number":"pith:5JMCD2NS","canonical_record":{"source":{"id":"2603.23148","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-03-24T12:48:52Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"e848aac398976e4ee00bae46a6308e7700dc21b5f91d000d13ca4fa0a090dbda","abstract_canon_sha256":"9d13ef583f6eff764647450798320c7c603a0588fe3c537c9211d0efc1aa03cd"},"schema_version":"1.0"},"canonical_sha256":"ea5821e9b264f4f8495e60b3ae867f620b607f20f6cb88d0294cbd56afea07d8","source":{"kind":"arxiv","id":"2603.23148","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23148","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23148v1","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23148","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"5JMCD2NSMT2P","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"5JMCD2NSMT2PQSK6","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"5JMCD2NS","created_at":"2026-05-26T01:03:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5JMCD2NSMT2PQSK6MCZ25BT7MI","target":"record","payload":{"canonical_record":{"source":{"id":"2603.23148","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-03-24T12:48:52Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"e848aac398976e4ee00bae46a6308e7700dc21b5f91d000d13ca4fa0a090dbda","abstract_canon_sha256":"9d13ef583f6eff764647450798320c7c603a0588fe3c537c9211d0efc1aa03cd"},"schema_version":"1.0"},"canonical_sha256":"ea5821e9b264f4f8495e60b3ae867f620b607f20f6cb88d0294cbd56afea07d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:03:28.724071Z","signature_b64":"EC5nckjQDbVaezUcgwSH+Vkqs4D4a8kKp0vCmfK3cpkkKnUBWCnhlezRz942w1diLOVTY4i2vjSQatpuApy/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea5821e9b264f4f8495e60b3ae867f620b607f20f6cb88d0294cbd56afea07d8","last_reissued_at":"2026-05-26T01:03:28.723032Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:03:28.723032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.23148","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":"2026-05-26T01:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zw4vCFc7c92mjNDzdxTvoNN0FtCZ8odrJCWm/buf4xUgrGTdeJBX/hk1w2SMfURAkGoxzMgs5gaQzuBf6s8/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:44:18.722762Z"},"content_sha256":"4f8ab39d847600f738d7d7468c69e18b411f375f311b0824ded85350f654d6c6","schema_version":"1.0","event_id":"sha256:4f8ab39d847600f738d7d7468c69e18b411f375f311b0824ded85350f654d6c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5JMCD2NSMT2PQSK6MCZ25BT7MI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pre-Patterned Superconducting Contacts for Clean Superconductor-Topological Material Interfaces Enabling Long-Range Josephson Coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Chang-Won Choi, Gil-Ho Lee, Hoil Kim, James Hone, Jun Sung Kim, Kenji Watanabe, Luke Holtzman, Seongwoo Kang, Si-Young Choi, Takashi Taniguchi, Yong-Bin Choi","submitted_at":"2026-03-24T12:48:52Z","abstract_excerpt":"Phase-coherent superconducting proximity in topological materials requires clean superconductor-topological material (SC-TM) interfaces, yet conventional top-contact fabrication often degrades them through oxidation, polymer residue, and process-induced disorder. Here we introduce a pre-patterned superconducting bottom-contact architecture in which MoRe/Au electrodes are defined before van der Waals crystal transfer, thereby avoiding on-flake lithography after transfer. In WTe2- and Bi1.5Sb0.5Te1.7Se1.3-based Josephson junctions, this architecture yields systematically larger I_c R_N and longe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23148","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.23148/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":"2026-05-26T01:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7xm0YQQOAj+6ftK89b5F0GkNPQ1MsvAzV+97z2GXRCkFeb1JaKhdImYy1CSeMcLLB0zIOH6ePK4CdE5TqyKHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:44:18.723520Z"},"content_sha256":"a6b75ed3311536429e2457fb233168f9781e141fd3c074a766c648a6a82e576c","schema_version":"1.0","event_id":"sha256:a6b75ed3311536429e2457fb233168f9781e141fd3c074a766c648a6a82e576c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/bundle.json","state_url":"https://pith.science/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/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":"2026-06-07T20:44:18Z","links":{"resolver":"https://pith.science/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI","bundle":"https://pith.science/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/bundle.json","state":"https://pith.science/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JMCD2NSMT2PQSK6MCZ25BT7MI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5JMCD2NSMT2PQSK6MCZ25BT7MI","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":"9d13ef583f6eff764647450798320c7c603a0588fe3c537c9211d0efc1aa03cd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-03-24T12:48:52Z","title_canon_sha256":"e848aac398976e4ee00bae46a6308e7700dc21b5f91d000d13ca4fa0a090dbda"},"schema_version":"1.0","source":{"id":"2603.23148","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23148","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23148v1","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23148","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"5JMCD2NSMT2P","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"5JMCD2NSMT2PQSK6","created_at":"2026-05-26T01:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"5JMCD2NS","created_at":"2026-05-26T01:03:28Z"}],"graph_snapshots":[{"event_id":"sha256:a6b75ed3311536429e2457fb233168f9781e141fd3c074a766c648a6a82e576c","target":"graph","created_at":"2026-05-26T01:03:28Z","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/2603.23148/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phase-coherent superconducting proximity in topological materials requires clean superconductor-topological material (SC-TM) interfaces, yet conventional top-contact fabrication often degrades them through oxidation, polymer residue, and process-induced disorder. Here we introduce a pre-patterned superconducting bottom-contact architecture in which MoRe/Au electrodes are defined before van der Waals crystal transfer, thereby avoiding on-flake lithography after transfer. In WTe2- and Bi1.5Sb0.5Te1.7Se1.3-based Josephson junctions, this architecture yields systematically larger I_c R_N and longe","authors_text":"Chang-Won Choi, Gil-Ho Lee, Hoil Kim, James Hone, Jun Sung Kim, Kenji Watanabe, Luke Holtzman, Seongwoo Kang, Si-Young Choi, Takashi Taniguchi, Yong-Bin Choi","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-03-24T12:48:52Z","title":"Pre-Patterned Superconducting Contacts for Clean Superconductor-Topological Material Interfaces Enabling Long-Range Josephson Coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23148","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":"sha256:4f8ab39d847600f738d7d7468c69e18b411f375f311b0824ded85350f654d6c6","target":"record","created_at":"2026-05-26T01:03:28Z","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":"9d13ef583f6eff764647450798320c7c603a0588fe3c537c9211d0efc1aa03cd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-03-24T12:48:52Z","title_canon_sha256":"e848aac398976e4ee00bae46a6308e7700dc21b5f91d000d13ca4fa0a090dbda"},"schema_version":"1.0","source":{"id":"2603.23148","kind":"arxiv","version":1}},"canonical_sha256":"ea5821e9b264f4f8495e60b3ae867f620b607f20f6cb88d0294cbd56afea07d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea5821e9b264f4f8495e60b3ae867f620b607f20f6cb88d0294cbd56afea07d8","first_computed_at":"2026-05-26T01:03:28.723032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:03:28.723032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EC5nckjQDbVaezUcgwSH+Vkqs4D4a8kKp0vCmfK3cpkkKnUBWCnhlezRz942w1diLOVTY4i2vjSQatpuApy/CQ==","signature_status":"signed_v1","signed_at":"2026-05-26T01:03:28.724071Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.23148","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f8ab39d847600f738d7d7468c69e18b411f375f311b0824ded85350f654d6c6","sha256:a6b75ed3311536429e2457fb233168f9781e141fd3c074a766c648a6a82e576c"],"state_sha256":"f7e24783dc48d7f3055cb02c0256e5bae721ef13072892aa3cc1d2871c9a7ba6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RIS4JDkG3N6qLaYrG6xmCO87f7PirUhQojz6y3iRRxoQvLrk8Cq1WaqDOTFcN7hPEMp+cWzY6R6d0UnYCPxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T20:44:18.727191Z","bundle_sha256":"33f5338644258f3d40ab8a2db4a838a6c41177f290b97d10ad8444a8f1c1a756"}}