{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WWZCBP7I2MCI43WDHRWUM66MOV","short_pith_number":"pith:WWZCBP7I","canonical_record":{"source":{"id":"1604.00352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-01T18:34:02Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"59100f84bb63a02d92b401fd8a81a9aec4b32b547f2fe81e91e75db384a63e0f","abstract_canon_sha256":"daaea40b5c350d4a132d4d0440e214ca3b46be35f5565ae24dbca72622c3aa56"},"schema_version":"1.0"},"canonical_sha256":"b5b220bfe8d3048e6ec33c6d467bcc755a1c81468d461a7fdc23b88046e17bc0","source":{"kind":"arxiv","id":"1604.00352","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00352","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00352v1","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00352","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"WWZCBP7I2MCI","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"WWZCBP7I2MCI43WD","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"WWZCBP7I","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WWZCBP7I2MCI43WDHRWUM66MOV","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-01T18:34:02Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"59100f84bb63a02d92b401fd8a81a9aec4b32b547f2fe81e91e75db384a63e0f","abstract_canon_sha256":"daaea40b5c350d4a132d4d0440e214ca3b46be35f5565ae24dbca72622c3aa56"},"schema_version":"1.0"},"canonical_sha256":"b5b220bfe8d3048e6ec33c6d467bcc755a1c81468d461a7fdc23b88046e17bc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:53.891729Z","signature_b64":"g6ZrCrcjDVy6EKgXsTF2iYC/T2pI/dZQprBjNb7plB2ODWEynVQgbR8Vsotxtg+L9ikbrzeyHytlRzZz8QKACw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5b220bfe8d3048e6ec33c6d467bcc755a1c81468d461a7fdc23b88046e17bc0","last_reissued_at":"2026-05-18T01:17:53.890979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:53.890979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00352","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":"2026-05-18T01:17:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PsEY/XNaUMRc1nuXMMDEk2P3CXpB/lNeESoFa3O6mIiJ3/dAJeYQjIsVQlix7OZsflGzDQgh+SV4FP0Q3B3dAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:14:07.163378Z"},"content_sha256":"827f0e55232638f378ccbeb378b72b722a2182d3132a6983994e10e8ef83da56","schema_version":"1.0","event_id":"sha256:827f0e55232638f378ccbeb378b72b722a2182d3132a6983994e10e8ef83da56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WWZCBP7I2MCI43WDHRWUM66MOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conducting LaAlO3/SrTiO3 heterointerfaces on atomically flat substrates prepared by deionized-water","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D.-W. Kim, J. G. Connell, J. H. Gruenewald, J. Nichols, S. S. A. Seo","submitted_at":"2016-04-01T18:34:02Z","abstract_excerpt":"We have investigated how the recently-developed water-leaching method for atomically-flat SrTiO3 (STO) substrates affects the transport properties of LaAlO3 (LAO) and STO heterointerfaces. Using pulsed laser deposition at identical growth conditions, we have synthesized epitaxial LAO thin-films on two different STO substrates, which are prepared by water-leaching and buffered hydrofluoric acid (BHF) etching methods. The structural, transport, and optical properties of LAO/STO heterostructures grown on water-leached substrates show the same high-quality as the samples grown on BHF-etched substr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00352","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":"2026-05-18T01:17:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nyd7hV5SzL1WUWAYkzp7+rXGlJU3OSPte9lHz6uCm4qGGZsUUaC2bnq4Mohs3e6frwyCb6hhG8Yw7jcY69IdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:14:07.163814Z"},"content_sha256":"d98e059a240b45882eadcc6b04a2c1faddadc5315d4ce07c61ca58de6546a49c","schema_version":"1.0","event_id":"sha256:d98e059a240b45882eadcc6b04a2c1faddadc5315d4ce07c61ca58de6546a49c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWZCBP7I2MCI43WDHRWUM66MOV/bundle.json","state_url":"https://pith.science/pith/WWZCBP7I2MCI43WDHRWUM66MOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWZCBP7I2MCI43WDHRWUM66MOV/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":"2026-05-31T09:14:07Z","links":{"resolver":"https://pith.science/pith/WWZCBP7I2MCI43WDHRWUM66MOV","bundle":"https://pith.science/pith/WWZCBP7I2MCI43WDHRWUM66MOV/bundle.json","state":"https://pith.science/pith/WWZCBP7I2MCI43WDHRWUM66MOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWZCBP7I2MCI43WDHRWUM66MOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WWZCBP7I2MCI43WDHRWUM66MOV","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":"daaea40b5c350d4a132d4d0440e214ca3b46be35f5565ae24dbca72622c3aa56","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-01T18:34:02Z","title_canon_sha256":"59100f84bb63a02d92b401fd8a81a9aec4b32b547f2fe81e91e75db384a63e0f"},"schema_version":"1.0","source":{"id":"1604.00352","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00352","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00352v1","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00352","created_at":"2026-05-18T01:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"WWZCBP7I2MCI","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"WWZCBP7I2MCI43WD","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"WWZCBP7I","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:d98e059a240b45882eadcc6b04a2c1faddadc5315d4ce07c61ca58de6546a49c","target":"graph","created_at":"2026-05-18T01:17:53Z","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 have investigated how the recently-developed water-leaching method for atomically-flat SrTiO3 (STO) substrates affects the transport properties of LaAlO3 (LAO) and STO heterointerfaces. Using pulsed laser deposition at identical growth conditions, we have synthesized epitaxial LAO thin-films on two different STO substrates, which are prepared by water-leaching and buffered hydrofluoric acid (BHF) etching methods. The structural, transport, and optical properties of LAO/STO heterostructures grown on water-leached substrates show the same high-quality as the samples grown on BHF-etched substr","authors_text":"D.-W. Kim, J. G. Connell, J. H. Gruenewald, J. Nichols, S. S. A. Seo","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-01T18:34:02Z","title":"Conducting LaAlO3/SrTiO3 heterointerfaces on atomically flat substrates prepared by deionized-water"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00352","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":"sha256:827f0e55232638f378ccbeb378b72b722a2182d3132a6983994e10e8ef83da56","target":"record","created_at":"2026-05-18T01:17:53Z","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":"daaea40b5c350d4a132d4d0440e214ca3b46be35f5565ae24dbca72622c3aa56","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-01T18:34:02Z","title_canon_sha256":"59100f84bb63a02d92b401fd8a81a9aec4b32b547f2fe81e91e75db384a63e0f"},"schema_version":"1.0","source":{"id":"1604.00352","kind":"arxiv","version":1}},"canonical_sha256":"b5b220bfe8d3048e6ec33c6d467bcc755a1c81468d461a7fdc23b88046e17bc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5b220bfe8d3048e6ec33c6d467bcc755a1c81468d461a7fdc23b88046e17bc0","first_computed_at":"2026-05-18T01:17:53.890979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:53.890979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g6ZrCrcjDVy6EKgXsTF2iYC/T2pI/dZQprBjNb7plB2ODWEynVQgbR8Vsotxtg+L9ikbrzeyHytlRzZz8QKACw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:53.891729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00352","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:827f0e55232638f378ccbeb378b72b722a2182d3132a6983994e10e8ef83da56","sha256:d98e059a240b45882eadcc6b04a2c1faddadc5315d4ce07c61ca58de6546a49c"],"state_sha256":"1431ba9a7b31e1336c6586f5f28e7fa95928f82e729d07fdf4ba83e462d1b0ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e9oOKjpbUvW3JWbXPN8kWbIjrWRvaDd0kpEEtSleJNCO6gvTs+PKPcVhfasENlB/tgn8h1j1+lQ6nC5ufWfIDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:14:07.166818Z","bundle_sha256":"849d3f34e997470d8eb7faa0a0766eae9e8be66c88b11b1315f874932f2ae039"}}