{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UKL4UEDENVLH5FFZA4XWYZ63NA","short_pith_number":"pith:UKL4UEDE","canonical_record":{"source":{"id":"1503.02765","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-10T03:50:52Z","cross_cats_sorted":[],"title_canon_sha256":"0d89bc33a5f995474587f9743a65a03c97efb58a97c97647d0bad53837e93d19","abstract_canon_sha256":"90bd43021ce9dff6512dd98bf36061b571d2447acdd2ddb93a8465ad24ec6f58"},"schema_version":"1.0"},"canonical_sha256":"a297ca10646d567e94b9072f6c67db6832b86873765b59c5ff42f953fb9a3486","source":{"kind":"arxiv","id":"1503.02765","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02765","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02765v2","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02765","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"pith_short_12","alias_value":"UKL4UEDENVLH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UKL4UEDENVLH5FFZ","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UKL4UEDE","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UKL4UEDENVLH5FFZA4XWYZ63NA","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02765","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-10T03:50:52Z","cross_cats_sorted":[],"title_canon_sha256":"0d89bc33a5f995474587f9743a65a03c97efb58a97c97647d0bad53837e93d19","abstract_canon_sha256":"90bd43021ce9dff6512dd98bf36061b571d2447acdd2ddb93a8465ad24ec6f58"},"schema_version":"1.0"},"canonical_sha256":"a297ca10646d567e94b9072f6c67db6832b86873765b59c5ff42f953fb9a3486","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:04.332331Z","signature_b64":"+7RFXl/mwgl820H+RG2Vvr5N64xLKxVSms2tN51112CUzoAfxPYhjzjeKFpOdBt/fxFi+BFIXznad+M+k9vdDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a297ca10646d567e94b9072f6c67db6832b86873765b59c5ff42f953fb9a3486","last_reissued_at":"2026-05-18T02:25:04.331977Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:04.331977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02765","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":"2026-05-18T02:25:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJOHuARxpoMqVbvWdVa642STywbR7gb/1Ads55lGkcyN09S4ajmqG0VJoBgxoVSwYqEt+ubbazXgSq3HxdkNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:58:42.506912Z"},"content_sha256":"44712cf12e31e2f92e570edb1cc4813a8668598bf171947feb9f9c49cd7e313f","schema_version":"1.0","event_id":"sha256:44712cf12e31e2f92e570edb1cc4813a8668598bf171947feb9f9c49cd7e313f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UKL4UEDENVLH5FFZA4XWYZ63NA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface properties of atomically flat poly-crystalline SrTiO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adrian David, Hoidong Jeong, Hosung Seo, Hyun You Kim, Morgane Lacotte, Sang A Lee, Sungmin Woo, Wilfrid Prellier, Woo Seok Choi, Yunseok Kim","submitted_at":"2015-03-10T03:50:52Z","abstract_excerpt":"Comparison between single- and the poly-crystalline structures provides essential information on the role of long-range translational symmetry and grain boundaries. In particular, by comparing single- and poly-crystalline transition metal oxides (TMOs), one can study intriguing physical phenomena such as electronic and ionic conduction at the grain boundaries, phonon propagation, and various domain properties. In order to make an accurate comparison, however, both single- and poly-crystalline samples should have the same quality, e.g., stoichiometry, crystallinity, thickness, etc. Here, by stu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02765","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":"2026-05-18T02:25:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gk/psm19Rx2wA+zVMsqfF8DLhOVrXejUQ0Qbh0/eKzVYIND7JlQR+g0GotCkQyO5/a0Eu3vLaGVZf+rHgg8MAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:58:42.507351Z"},"content_sha256":"f8c90f04fa6493f19898aac393bdb7c009601a3d28b5cc98488687adea493e1b","schema_version":"1.0","event_id":"sha256:f8c90f04fa6493f19898aac393bdb7c009601a3d28b5cc98488687adea493e1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/bundle.json","state_url":"https://pith.science/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/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":"2026-06-09T13:58:42Z","links":{"resolver":"https://pith.science/pith/UKL4UEDENVLH5FFZA4XWYZ63NA","bundle":"https://pith.science/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/bundle.json","state":"https://pith.science/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UKL4UEDENVLH5FFZA4XWYZ63NA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UKL4UEDENVLH5FFZA4XWYZ63NA","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":"90bd43021ce9dff6512dd98bf36061b571d2447acdd2ddb93a8465ad24ec6f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-10T03:50:52Z","title_canon_sha256":"0d89bc33a5f995474587f9743a65a03c97efb58a97c97647d0bad53837e93d19"},"schema_version":"1.0","source":{"id":"1503.02765","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02765","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02765v2","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02765","created_at":"2026-05-18T02:25:04Z"},{"alias_kind":"pith_short_12","alias_value":"UKL4UEDENVLH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UKL4UEDENVLH5FFZ","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UKL4UEDE","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:f8c90f04fa6493f19898aac393bdb7c009601a3d28b5cc98488687adea493e1b","target":"graph","created_at":"2026-05-18T02:25:04Z","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":"Comparison between single- and the poly-crystalline structures provides essential information on the role of long-range translational symmetry and grain boundaries. In particular, by comparing single- and poly-crystalline transition metal oxides (TMOs), one can study intriguing physical phenomena such as electronic and ionic conduction at the grain boundaries, phonon propagation, and various domain properties. In order to make an accurate comparison, however, both single- and poly-crystalline samples should have the same quality, e.g., stoichiometry, crystallinity, thickness, etc. Here, by stu","authors_text":"Adrian David, Hoidong Jeong, Hosung Seo, Hyun You Kim, Morgane Lacotte, Sang A Lee, Sungmin Woo, Wilfrid Prellier, Woo Seok Choi, Yunseok Kim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-10T03:50:52Z","title":"Surface properties of atomically flat poly-crystalline SrTiO3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02765","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":"sha256:44712cf12e31e2f92e570edb1cc4813a8668598bf171947feb9f9c49cd7e313f","target":"record","created_at":"2026-05-18T02:25:04Z","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":"90bd43021ce9dff6512dd98bf36061b571d2447acdd2ddb93a8465ad24ec6f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-10T03:50:52Z","title_canon_sha256":"0d89bc33a5f995474587f9743a65a03c97efb58a97c97647d0bad53837e93d19"},"schema_version":"1.0","source":{"id":"1503.02765","kind":"arxiv","version":2}},"canonical_sha256":"a297ca10646d567e94b9072f6c67db6832b86873765b59c5ff42f953fb9a3486","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a297ca10646d567e94b9072f6c67db6832b86873765b59c5ff42f953fb9a3486","first_computed_at":"2026-05-18T02:25:04.331977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:04.331977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+7RFXl/mwgl820H+RG2Vvr5N64xLKxVSms2tN51112CUzoAfxPYhjzjeKFpOdBt/fxFi+BFIXznad+M+k9vdDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:04.332331Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02765","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44712cf12e31e2f92e570edb1cc4813a8668598bf171947feb9f9c49cd7e313f","sha256:f8c90f04fa6493f19898aac393bdb7c009601a3d28b5cc98488687adea493e1b"],"state_sha256":"9e6ba2a4f057f342d4fa47d1dd5186dca7905e1f4b322a5e80ea754f573765bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jSSiQg6vCrhYJNpyMdCMV+cKWHNwFxJm2JZOJWqoApJYvQWN0vfX680RrQdV8vCM/oIhOdLRDHbVlsYgzDIYBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T13:58:42.509958Z","bundle_sha256":"c56f4eafa50ae8efd64ebe8d4f128b07a3572c6b8ebfcafb05aebe7ac5572a50"}}