{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:PG2RQOXR75V5JNZ2EUE4CIQ5IP","short_pith_number":"pith:PG2RQOXR","canonical_record":{"source":{"id":"0909.4084","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-22T20:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"c16a6de98e19d9fe9d185f82728d91142595ea340c3b5439a1189f1ed4e5664f","abstract_canon_sha256":"c8f0a4401b99d91c8e08ec96377f37bd35989919ee11876402dd81341da8ba1f"},"schema_version":"1.0"},"canonical_sha256":"79b5183af1ff6bd4b73a2509c1221d43cbf27e55870b74a26e7f221982ac9fc5","source":{"kind":"arxiv","id":"0909.4084","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.4084","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"0909.4084v2","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.4084","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"PG2RQOXR75V5","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"PG2RQOXR75V5JNZ2","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"PG2RQOXR","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:PG2RQOXR75V5JNZ2EUE4CIQ5IP","target":"record","payload":{"canonical_record":{"source":{"id":"0909.4084","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-22T20:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"c16a6de98e19d9fe9d185f82728d91142595ea340c3b5439a1189f1ed4e5664f","abstract_canon_sha256":"c8f0a4401b99d91c8e08ec96377f37bd35989919ee11876402dd81341da8ba1f"},"schema_version":"1.0"},"canonical_sha256":"79b5183af1ff6bd4b73a2509c1221d43cbf27e55870b74a26e7f221982ac9fc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:45.151974Z","signature_b64":"PP7koFtWPyb49aBVq3GsMWL0uPMs5jcpU4Rkz04XbCA5M3nOWWCw5wNP245SZ/w8+qSmavbTNzmX1KagN8ZEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79b5183af1ff6bd4b73a2509c1221d43cbf27e55870b74a26e7f221982ac9fc5","last_reissued_at":"2026-05-18T02:11:45.151273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:45.151273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.4084","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xj0ml5pBaDyjirgtm+YA0Ql7VQrjssVftExzNiTFsQ1oxmWi7kCVecLO0EvYIQ8FSxGB0wHoqalHjZ0MvxhbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:17:20.403793Z"},"content_sha256":"847e3dadbb355fb599ac0e188d053f90df458f65ee8d99cf0406619f99bc04e8","schema_version":"1.0","event_id":"sha256:847e3dadbb355fb599ac0e188d053f90df458f65ee8d99cf0406619f99bc04e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:PG2RQOXR75V5JNZ2EUE4CIQ5IP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Correlated electron transport through double quantum dots coupled to normal and superconducting leads","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Akira Oguri, Norio Kawakami, Yoichi Tanaka","submitted_at":"2009-09-22T20:07:49Z","abstract_excerpt":"We study Andreev transport through double quantum dots connected in series normal and superconducting (SC) leads, using the numerical renormalization group. The ground state of this system shows a crossover between a local Cooper-pairing singlet state and a Kondo singlet state, which is caused by the competition between the Coulomb interaction and the SC proximity. We show that the ground-state properties reflect this crossover especially for small values of the inter-dot coupling $t$, while in the opposite case, for large $t$, another singlet with an inter-dot character becomes dominant. We f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.4084","kind":"arxiv","version":2},"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":"2026-05-18T02:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OYcwLj2+hkr/e4O+8vIk2y4+8b2eCBwDVG2KEJCS+CV3RA7ytYgaMjxCS3wmJMBGDXvhpgUYWdM/wsqkGB/oCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:17:20.404466Z"},"content_sha256":"30942b143fdd78429321e8e1e4828ec4429ac51ca46d2beaf15025cc0c038104","schema_version":"1.0","event_id":"sha256:30942b143fdd78429321e8e1e4828ec4429ac51ca46d2beaf15025cc0c038104"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/bundle.json","state_url":"https://pith.science/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/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":"2026-05-26T18:17:20Z","links":{"resolver":"https://pith.science/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP","bundle":"https://pith.science/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/bundle.json","state":"https://pith.science/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PG2RQOXR75V5JNZ2EUE4CIQ5IP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:PG2RQOXR75V5JNZ2EUE4CIQ5IP","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":"c8f0a4401b99d91c8e08ec96377f37bd35989919ee11876402dd81341da8ba1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-22T20:07:49Z","title_canon_sha256":"c16a6de98e19d9fe9d185f82728d91142595ea340c3b5439a1189f1ed4e5664f"},"schema_version":"1.0","source":{"id":"0909.4084","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.4084","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"0909.4084v2","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.4084","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"PG2RQOXR75V5","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"PG2RQOXR75V5JNZ2","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"PG2RQOXR","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:30942b143fdd78429321e8e1e4828ec4429ac51ca46d2beaf15025cc0c038104","target":"graph","created_at":"2026-05-18T02:11:45Z","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 study Andreev transport through double quantum dots connected in series normal and superconducting (SC) leads, using the numerical renormalization group. The ground state of this system shows a crossover between a local Cooper-pairing singlet state and a Kondo singlet state, which is caused by the competition between the Coulomb interaction and the SC proximity. We show that the ground-state properties reflect this crossover especially for small values of the inter-dot coupling $t$, while in the opposite case, for large $t$, another singlet with an inter-dot character becomes dominant. We f","authors_text":"Akira Oguri, Norio Kawakami, Yoichi Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-22T20:07:49Z","title":"Correlated electron transport through double quantum dots coupled to normal and superconducting leads"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.4084","kind":"arxiv","version":2},"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":"sha256:847e3dadbb355fb599ac0e188d053f90df458f65ee8d99cf0406619f99bc04e8","target":"record","created_at":"2026-05-18T02:11:45Z","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":"c8f0a4401b99d91c8e08ec96377f37bd35989919ee11876402dd81341da8ba1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-22T20:07:49Z","title_canon_sha256":"c16a6de98e19d9fe9d185f82728d91142595ea340c3b5439a1189f1ed4e5664f"},"schema_version":"1.0","source":{"id":"0909.4084","kind":"arxiv","version":2}},"canonical_sha256":"79b5183af1ff6bd4b73a2509c1221d43cbf27e55870b74a26e7f221982ac9fc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79b5183af1ff6bd4b73a2509c1221d43cbf27e55870b74a26e7f221982ac9fc5","first_computed_at":"2026-05-18T02:11:45.151273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:45.151273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PP7koFtWPyb49aBVq3GsMWL0uPMs5jcpU4Rkz04XbCA5M3nOWWCw5wNP245SZ/w8+qSmavbTNzmX1KagN8ZEAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:45.151974Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.4084","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:847e3dadbb355fb599ac0e188d053f90df458f65ee8d99cf0406619f99bc04e8","sha256:30942b143fdd78429321e8e1e4828ec4429ac51ca46d2beaf15025cc0c038104"],"state_sha256":"05ad6f2d5714972ffbb0f37e0c8ff1fa151556c8ccecbb5ea2495c8a3195fa05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yAwdUnBoyaFsTV+izdSiKvc9VIpSWWZjjPEFdihbYpKAFl8wjzUst1FVRuF5z7l9OzT/AMfH+r2FM/RD/ajCAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:17:20.408076Z","bundle_sha256":"d3d3fe2a0531c3ebd4404f0014f13575265ddf8d58cf80d6b2d0394f16c0a758"}}