{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XYSXF6E2V2OCS7E2QKGCOQPT3N","short_pith_number":"pith:XYSXF6E2","canonical_record":{"source":{"id":"1807.08347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-22T19:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"15c1583f4f2e2a832dcca5f1d4a0560736ba768019c7e1d514eff588a6d032b9","abstract_canon_sha256":"f4c877d70163f394b4329e1583ab3e42eda99dc9d1cb522fff3e4e23049e959f"},"schema_version":"1.0"},"canonical_sha256":"be2572f89aae9c297c9a828c2741f3db5286a1ac2a666c89226139b48b8b7475","source":{"kind":"arxiv","id":"1807.08347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08347","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08347v1","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08347","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"XYSXF6E2V2OC","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XYSXF6E2V2OCS7E2","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XYSXF6E2","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XYSXF6E2V2OCS7E2QKGCOQPT3N","target":"record","payload":{"canonical_record":{"source":{"id":"1807.08347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-22T19:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"15c1583f4f2e2a832dcca5f1d4a0560736ba768019c7e1d514eff588a6d032b9","abstract_canon_sha256":"f4c877d70163f394b4329e1583ab3e42eda99dc9d1cb522fff3e4e23049e959f"},"schema_version":"1.0"},"canonical_sha256":"be2572f89aae9c297c9a828c2741f3db5286a1ac2a666c89226139b48b8b7475","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:33.631913Z","signature_b64":"I4nYPUdR9OYNodJuJ/pdCvtEKZt5adXhCT58yv3Khn57rbCsbM8g0zChe3VMhS8B3kJozcD1M26Z+n5gXV1BBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be2572f89aae9c297c9a828c2741f3db5286a1ac2a666c89226139b48b8b7475","last_reissued_at":"2026-05-18T00:02:33.631304Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:33.631304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.08347","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":"2026-05-18T00:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nrK7ODFZE489wGoNgWhrvpcyZ009kqCM2qhyAv8tFNmDegcp7uQOV7Mm5edA/cNvKMgcCHx+uTo3UwsnNE9VBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:34:49.177883Z"},"content_sha256":"872756c63ee7d5fd62dd6399ed90eee9b1bd278bb458f03e6352165442043bba","schema_version":"1.0","event_id":"sha256:872756c63ee7d5fd62dd6399ed90eee9b1bd278bb458f03e6352165442043bba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XYSXF6E2V2OCS7E2QKGCOQPT3N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The density and disorder tuned superconductor-metal transition in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Adrian G. Swartz, Di Lu, Harold Y. Hwang, Hisashi Inoue, Hongtao Yuan, Hyeok Yoon, Srinivas Raghu, Tyler Merz, Yanwu Xie, Yasuyuki Hikita, Zhuoyu Chen","submitted_at":"2018-07-22T19:04:21Z","abstract_excerpt":"Quantum ground states which arise at atomically controlled oxide interfaces provide an opportunity to address key questions in condensed matter physics, including the nature of two-dimensional (2D) metallic behaviour often observed adjacent to superconductivity. At the superconducting LaAlO3/SrTiO3 interface, a metallic ground state emerges upon the collapse of superconductivity with field-effect gating. Strikingly, such metallicity is accompanied with a pseudogap. Here, we utilize independent control of carrier density and disorder of the interfacial superconductor using dual electrostatic ga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08347","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":"2026-05-18T00:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EVnVThzkQG1ddXaxuevscTBvAMPj4KeGDRhYud1tQN84SBsxlH9cy96ezIM7oUde6Erx04BQfNA+usxhIqfdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:34:49.178557Z"},"content_sha256":"9c408f85ddc36ffdd5600539561beee0fe15ed5c78c0c98a796ecc6b0ec3ecba","schema_version":"1.0","event_id":"sha256:9c408f85ddc36ffdd5600539561beee0fe15ed5c78c0c98a796ecc6b0ec3ecba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/bundle.json","state_url":"https://pith.science/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/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":"2026-06-01T12:34:49Z","links":{"resolver":"https://pith.science/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N","bundle":"https://pith.science/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/bundle.json","state":"https://pith.science/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XYSXF6E2V2OCS7E2QKGCOQPT3N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XYSXF6E2V2OCS7E2QKGCOQPT3N","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":"f4c877d70163f394b4329e1583ab3e42eda99dc9d1cb522fff3e4e23049e959f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-22T19:04:21Z","title_canon_sha256":"15c1583f4f2e2a832dcca5f1d4a0560736ba768019c7e1d514eff588a6d032b9"},"schema_version":"1.0","source":{"id":"1807.08347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08347","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08347v1","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08347","created_at":"2026-05-18T00:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"XYSXF6E2V2OC","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XYSXF6E2V2OCS7E2","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XYSXF6E2","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:9c408f85ddc36ffdd5600539561beee0fe15ed5c78c0c98a796ecc6b0ec3ecba","target":"graph","created_at":"2026-05-18T00:02:33Z","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":"Quantum ground states which arise at atomically controlled oxide interfaces provide an opportunity to address key questions in condensed matter physics, including the nature of two-dimensional (2D) metallic behaviour often observed adjacent to superconductivity. At the superconducting LaAlO3/SrTiO3 interface, a metallic ground state emerges upon the collapse of superconductivity with field-effect gating. Strikingly, such metallicity is accompanied with a pseudogap. Here, we utilize independent control of carrier density and disorder of the interfacial superconductor using dual electrostatic ga","authors_text":"Adrian G. Swartz, Di Lu, Harold Y. Hwang, Hisashi Inoue, Hongtao Yuan, Hyeok Yoon, Srinivas Raghu, Tyler Merz, Yanwu Xie, Yasuyuki Hikita, Zhuoyu Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-22T19:04:21Z","title":"The density and disorder tuned superconductor-metal transition in two dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08347","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":"sha256:872756c63ee7d5fd62dd6399ed90eee9b1bd278bb458f03e6352165442043bba","target":"record","created_at":"2026-05-18T00:02:33Z","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":"f4c877d70163f394b4329e1583ab3e42eda99dc9d1cb522fff3e4e23049e959f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-22T19:04:21Z","title_canon_sha256":"15c1583f4f2e2a832dcca5f1d4a0560736ba768019c7e1d514eff588a6d032b9"},"schema_version":"1.0","source":{"id":"1807.08347","kind":"arxiv","version":1}},"canonical_sha256":"be2572f89aae9c297c9a828c2741f3db5286a1ac2a666c89226139b48b8b7475","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be2572f89aae9c297c9a828c2741f3db5286a1ac2a666c89226139b48b8b7475","first_computed_at":"2026-05-18T00:02:33.631304Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:33.631304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I4nYPUdR9OYNodJuJ/pdCvtEKZt5adXhCT58yv3Khn57rbCsbM8g0zChe3VMhS8B3kJozcD1M26Z+n5gXV1BBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:33.631913Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.08347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:872756c63ee7d5fd62dd6399ed90eee9b1bd278bb458f03e6352165442043bba","sha256:9c408f85ddc36ffdd5600539561beee0fe15ed5c78c0c98a796ecc6b0ec3ecba"],"state_sha256":"e81c2d3bbbad958c50d76a5aafadcea28cb7e95078017cdfb922bf6e9f1bdd5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zzC9KMRrEQ7KXseHgHt6ZyuJ/dia2CE0ymZtWc1yTZ21OcLy0wSsD3RV/6379jZUq8H4NDjKH541zzx/7P/KBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:34:49.181463Z","bundle_sha256":"9c22621248b9fba780794f1609a602356436e4445642096c45dc3568daabc9a7"}}