{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7OMQGLAMKEUYQAI6IA242N2BZS","short_pith_number":"pith:7OMQGLAM","canonical_record":{"source":{"id":"1610.03221","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-11T07:34:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ad48bc4db4d783a0dedcf363ecfaede212d91cedb80e82c73d09c410af5a6d06","abstract_canon_sha256":"f4ec5a3fa45c27226315108dc9c75b3b205667ed96c8d08e2d6a153df886565e"},"schema_version":"1.0"},"canonical_sha256":"fb99032c0c512988011e4035cd3741ccb3657cd3c4f24344676a1fbf06d1ca0d","source":{"kind":"arxiv","id":"1610.03221","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.03221","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.03221v1","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.03221","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"7OMQGLAMKEUY","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7OMQGLAMKEUYQAI6","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7OMQGLAM","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7OMQGLAMKEUYQAI6IA242N2BZS","target":"record","payload":{"canonical_record":{"source":{"id":"1610.03221","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-11T07:34:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ad48bc4db4d783a0dedcf363ecfaede212d91cedb80e82c73d09c410af5a6d06","abstract_canon_sha256":"f4ec5a3fa45c27226315108dc9c75b3b205667ed96c8d08e2d6a153df886565e"},"schema_version":"1.0"},"canonical_sha256":"fb99032c0c512988011e4035cd3741ccb3657cd3c4f24344676a1fbf06d1ca0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:06.427587Z","signature_b64":"7GNe/R8WZGCrMd1BmiXtZH71epWI7y/PhHtFTN+9hhI8TpsyXikJQZ2mvM6xKKuC8/qvnb324sz9hEDMUlXxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb99032c0c512988011e4035cd3741ccb3657cd3c4f24344676a1fbf06d1ca0d","last_reissued_at":"2026-05-18T00:30:06.427125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:06.427125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.03221","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":"2026-05-18T00:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xxooOAmO9+zGi8pQQ3JH20Oxlp2VYjJc6/oFvbe/Vz0FHVUhK5qgODbHmNn1oQGfaFNCYxBwlaHItw8yC1pJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:11:22.096814Z"},"content_sha256":"4da52375a622e1b0705db8de1754f9f5be220e0efc066e9513ad8cc8dc894730","schema_version":"1.0","event_id":"sha256:4da52375a622e1b0705db8de1754f9f5be220e0efc066e9513ad8cc8dc894730"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7OMQGLAMKEUYQAI6IA242N2BZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"2D surprises at the surface of 3D materials: confined electron systems in transition metal oxides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Andr\\'es Felipe Santander-Syro, Emmanouil Frantzeskakis, Franck Fortuna, Tobias Chris R\\\"odel","submitted_at":"2016-10-11T07:34:34Z","abstract_excerpt":"The scope of this article is to review the state-of-the-art in the field of confined electron systems generated at the bare surfaces of transition metal oxides (TMOs). This scientific field is a prime example of a domain where two-dimensional physics and photoemission-based spectroscopic techniques have together set up the development of the story. The discovery of a high-mobility two-dimensional electron system (2DES) at interfaces of transition metal oxides has attracted an immense scientific interest due to new opportunities opened in the emerging field of oxide electronics. The subsequent "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.03221","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":"2026-05-18T00:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ob6VKsX8rI75/dk6udbKXVcH80LDMsPGI9cnERgPAB2EOiZuOXzvTsQOmQ0wv1aP2DA2WPpM3Ng8gtd8UJKtAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T19:11:22.097591Z"},"content_sha256":"b7a19b4768a64d1db2e5d706f152e3900b02c77a5edeb7a1cf93c95b5bfe46df","schema_version":"1.0","event_id":"sha256:b7a19b4768a64d1db2e5d706f152e3900b02c77a5edeb7a1cf93c95b5bfe46df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7OMQGLAMKEUYQAI6IA242N2BZS/bundle.json","state_url":"https://pith.science/pith/7OMQGLAMKEUYQAI6IA242N2BZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7OMQGLAMKEUYQAI6IA242N2BZS/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":"2026-05-18T19:11:22Z","links":{"resolver":"https://pith.science/pith/7OMQGLAMKEUYQAI6IA242N2BZS","bundle":"https://pith.science/pith/7OMQGLAMKEUYQAI6IA242N2BZS/bundle.json","state":"https://pith.science/pith/7OMQGLAMKEUYQAI6IA242N2BZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7OMQGLAMKEUYQAI6IA242N2BZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7OMQGLAMKEUYQAI6IA242N2BZS","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":"f4ec5a3fa45c27226315108dc9c75b3b205667ed96c8d08e2d6a153df886565e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-11T07:34:34Z","title_canon_sha256":"ad48bc4db4d783a0dedcf363ecfaede212d91cedb80e82c73d09c410af5a6d06"},"schema_version":"1.0","source":{"id":"1610.03221","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.03221","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.03221v1","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.03221","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"7OMQGLAMKEUY","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7OMQGLAMKEUYQAI6","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7OMQGLAM","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:b7a19b4768a64d1db2e5d706f152e3900b02c77a5edeb7a1cf93c95b5bfe46df","target":"graph","created_at":"2026-05-18T00:30:06Z","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":"The scope of this article is to review the state-of-the-art in the field of confined electron systems generated at the bare surfaces of transition metal oxides (TMOs). This scientific field is a prime example of a domain where two-dimensional physics and photoemission-based spectroscopic techniques have together set up the development of the story. The discovery of a high-mobility two-dimensional electron system (2DES) at interfaces of transition metal oxides has attracted an immense scientific interest due to new opportunities opened in the emerging field of oxide electronics. The subsequent ","authors_text":"Andr\\'es Felipe Santander-Syro, Emmanouil Frantzeskakis, Franck Fortuna, Tobias Chris R\\\"odel","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-11T07:34:34Z","title":"2D surprises at the surface of 3D materials: confined electron systems in transition metal oxides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.03221","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":"sha256:4da52375a622e1b0705db8de1754f9f5be220e0efc066e9513ad8cc8dc894730","target":"record","created_at":"2026-05-18T00:30:06Z","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":"f4ec5a3fa45c27226315108dc9c75b3b205667ed96c8d08e2d6a153df886565e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-11T07:34:34Z","title_canon_sha256":"ad48bc4db4d783a0dedcf363ecfaede212d91cedb80e82c73d09c410af5a6d06"},"schema_version":"1.0","source":{"id":"1610.03221","kind":"arxiv","version":1}},"canonical_sha256":"fb99032c0c512988011e4035cd3741ccb3657cd3c4f24344676a1fbf06d1ca0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb99032c0c512988011e4035cd3741ccb3657cd3c4f24344676a1fbf06d1ca0d","first_computed_at":"2026-05-18T00:30:06.427125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:06.427125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7GNe/R8WZGCrMd1BmiXtZH71epWI7y/PhHtFTN+9hhI8TpsyXikJQZ2mvM6xKKuC8/qvnb324sz9hEDMUlXxCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:06.427587Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.03221","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4da52375a622e1b0705db8de1754f9f5be220e0efc066e9513ad8cc8dc894730","sha256:b7a19b4768a64d1db2e5d706f152e3900b02c77a5edeb7a1cf93c95b5bfe46df"],"state_sha256":"bd57744047cc9b2338c0fc831f38c656c7dee3ce884bfe48090fd8eda884feeb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9d8qfXrHdjhFDdwraRXYwyVG5izSa6rUKQGND3iqJ9rqfCo5n3wyR+NhjmHDic0XU0MMU0He7Huz3bySUuYCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T19:11:22.099865Z","bundle_sha256":"cf2872849c499494c2cf6cfa1dbdba689799675a0a11df2ec4964d7d9579aeea"}}