{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YNQSEQA2BSE22JMGZQXV4E5WN6","short_pith_number":"pith:YNQSEQA2","canonical_record":{"source":{"id":"2301.10826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-01-25T21:00:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"173738b49fb32dfff479a07cef20b4eb5da3f5aa3c1c73c8915767b394699064","abstract_canon_sha256":"c0b5711268e78b2e2d15d49f2b8e25e96d34ea3b824d83b8f84fb659516ffb80"},"schema_version":"1.0"},"canonical_sha256":"c36122401a0c89ad2586cc2f5e13b66f930c48627485cf5156219850d414ee0b","source":{"kind":"arxiv","id":"2301.10826","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.10826","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"2301.10826v1","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.10826","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"YNQSEQA2BSE2","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_16","alias_value":"YNQSEQA2BSE22JMG","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_8","alias_value":"YNQSEQA2","created_at":"2026-07-05T06:19:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YNQSEQA2BSE22JMGZQXV4E5WN6","target":"record","payload":{"canonical_record":{"source":{"id":"2301.10826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-01-25T21:00:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"173738b49fb32dfff479a07cef20b4eb5da3f5aa3c1c73c8915767b394699064","abstract_canon_sha256":"c0b5711268e78b2e2d15d49f2b8e25e96d34ea3b824d83b8f84fb659516ffb80"},"schema_version":"1.0"},"canonical_sha256":"c36122401a0c89ad2586cc2f5e13b66f930c48627485cf5156219850d414ee0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:19:18.022982Z","signature_b64":"3HpVbtzEhBZDfuwBqWhyXuLO3/iRHUb4SAOKYz6G9w+Q/M9YNTxtkJYrnTOaizR+1LnuCLQTJcD8llN1tSk6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c36122401a0c89ad2586cc2f5e13b66f930c48627485cf5156219850d414ee0b","last_reissued_at":"2026-07-05T06:19:18.022639Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:19:18.022639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.10826","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":"2026-07-05T06:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BUkvI+vlmjnwQQIf7vfyhgQ5qkJcP7ZiFVeEQhw+nfN8hsqabCABD5fKXGBtvmEvbuB20q/Xxdk/QoVxWHY2AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:56:38.812117Z"},"content_sha256":"2366bdc6e3dcb60192924b05da7b20d236caa7c08799b4b82f9c2b6b63639dae","schema_version":"1.0","event_id":"sha256:2366bdc6e3dcb60192924b05da7b20d236caa7c08799b4b82f9c2b6b63639dae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YNQSEQA2BSE22JMGZQXV4E5WN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductor-quantum dot hybrid coolers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bj\\\"orn Sothmann, David Sanchez, Sun-Yong Hwang","submitted_at":"2023-01-25T21:00:56Z","abstract_excerpt":"We propose a refrigeration scheme in a mesoscopic superconductor-quantum dot hybrid device. The setup can significantly cool down a normal metal coupled to the device by applying a bias voltage across the system. We demonstrate that the cooling power can be as large as 0.05$\\Delta_0^2/h$ where $\\Delta_0$ is the absolute value of superconducting order parameter. In contrast to previous proposals, our device operates without any magnetic elements such as ferromagnetic reservoirs or Zeeman splittings. The refrigeration scheme works over a broad parameter range and can be optimized by tuning syste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.10826","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/2301.10826/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":"2026-07-05T06:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wwvMTn1jqGZpv+e6MF20q4m/4CRHOc/l6gCTgK7aZWf/FeOMl6eAafbIK2HSYpQy+721gfhHX9cQqNzbvsieAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:56:38.812615Z"},"content_sha256":"8fb2f9d62aeeb45a874669d48b9958cf034ea487166f69e47fc465bfef463879","schema_version":"1.0","event_id":"sha256:8fb2f9d62aeeb45a874669d48b9958cf034ea487166f69e47fc465bfef463879"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/bundle.json","state_url":"https://pith.science/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/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":"2026-08-04T11:56:38Z","links":{"resolver":"https://pith.science/pith/YNQSEQA2BSE22JMGZQXV4E5WN6","bundle":"https://pith.science/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/bundle.json","state":"https://pith.science/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YNQSEQA2BSE22JMGZQXV4E5WN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YNQSEQA2BSE22JMGZQXV4E5WN6","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":"c0b5711268e78b2e2d15d49f2b8e25e96d34ea3b824d83b8f84fb659516ffb80","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-01-25T21:00:56Z","title_canon_sha256":"173738b49fb32dfff479a07cef20b4eb5da3f5aa3c1c73c8915767b394699064"},"schema_version":"1.0","source":{"id":"2301.10826","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.10826","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"2301.10826v1","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.10826","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"YNQSEQA2BSE2","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_16","alias_value":"YNQSEQA2BSE22JMG","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_8","alias_value":"YNQSEQA2","created_at":"2026-07-05T06:19:18Z"}],"graph_snapshots":[{"event_id":"sha256:8fb2f9d62aeeb45a874669d48b9958cf034ea487166f69e47fc465bfef463879","target":"graph","created_at":"2026-07-05T06:19:18Z","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/2301.10826/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a refrigeration scheme in a mesoscopic superconductor-quantum dot hybrid device. The setup can significantly cool down a normal metal coupled to the device by applying a bias voltage across the system. We demonstrate that the cooling power can be as large as 0.05$\\Delta_0^2/h$ where $\\Delta_0$ is the absolute value of superconducting order parameter. In contrast to previous proposals, our device operates without any magnetic elements such as ferromagnetic reservoirs or Zeeman splittings. The refrigeration scheme works over a broad parameter range and can be optimized by tuning syste","authors_text":"Bj\\\"orn Sothmann, David Sanchez, Sun-Yong Hwang","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-01-25T21:00:56Z","title":"Superconductor-quantum dot hybrid coolers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.10826","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":"sha256:2366bdc6e3dcb60192924b05da7b20d236caa7c08799b4b82f9c2b6b63639dae","target":"record","created_at":"2026-07-05T06:19:18Z","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":"c0b5711268e78b2e2d15d49f2b8e25e96d34ea3b824d83b8f84fb659516ffb80","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-01-25T21:00:56Z","title_canon_sha256":"173738b49fb32dfff479a07cef20b4eb5da3f5aa3c1c73c8915767b394699064"},"schema_version":"1.0","source":{"id":"2301.10826","kind":"arxiv","version":1}},"canonical_sha256":"c36122401a0c89ad2586cc2f5e13b66f930c48627485cf5156219850d414ee0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c36122401a0c89ad2586cc2f5e13b66f930c48627485cf5156219850d414ee0b","first_computed_at":"2026-07-05T06:19:18.022639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:19:18.022639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3HpVbtzEhBZDfuwBqWhyXuLO3/iRHUb4SAOKYz6G9w+Q/M9YNTxtkJYrnTOaizR+1LnuCLQTJcD8llN1tSk6Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:19:18.022982Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.10826","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2366bdc6e3dcb60192924b05da7b20d236caa7c08799b4b82f9c2b6b63639dae","sha256:8fb2f9d62aeeb45a874669d48b9958cf034ea487166f69e47fc465bfef463879"],"state_sha256":"6d377e7e03570d052e960c621fe7a73a5dbee6d711416e75dc8ab672116c92f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XipFJ1nEvyE+YHoO+5r+4RvJVJpp3Ze5HvH7VyeAUYqU2n+EhURYkMj6yR6GbHmMW4C0wXFO97uG3FP6QRABAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T11:56:38.817563Z","bundle_sha256":"ec3e476319f33f50017223f88b207257ee38e64483b737916b7f9f1dba7198a9"}}