{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7OSJCGN3UTR2OPN3IFV43FTKXV","short_pith_number":"pith:7OSJCGN3","canonical_record":{"source":{"id":"2212.11898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T17:34:39Z","cross_cats_sorted":[],"title_canon_sha256":"0e278fa4c0b7bf916350eb134d1dd11be71b4ce0727e526b3c78f3ef36912578","abstract_canon_sha256":"3437d34d1ef830568d26b894f04bc6061c8fe0b94b48a67191062c0f83c6eb98"},"schema_version":"1.0"},"canonical_sha256":"fba49119bba4e3a73dbb416bcd966abd57d8058d7720abdb57425ee3dd0a566a","source":{"kind":"arxiv","id":"2212.11898","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11898","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11898v1","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11898","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"7OSJCGN3UTR2","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_16","alias_value":"7OSJCGN3UTR2OPN3","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_8","alias_value":"7OSJCGN3","created_at":"2026-07-05T06:02:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7OSJCGN3UTR2OPN3IFV43FTKXV","target":"record","payload":{"canonical_record":{"source":{"id":"2212.11898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T17:34:39Z","cross_cats_sorted":[],"title_canon_sha256":"0e278fa4c0b7bf916350eb134d1dd11be71b4ce0727e526b3c78f3ef36912578","abstract_canon_sha256":"3437d34d1ef830568d26b894f04bc6061c8fe0b94b48a67191062c0f83c6eb98"},"schema_version":"1.0"},"canonical_sha256":"fba49119bba4e3a73dbb416bcd966abd57d8058d7720abdb57425ee3dd0a566a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:48.597690Z","signature_b64":"DehpoOXG2Ucc7PovsqdbARucGdSgfiQwBzh09bCiIkyhUbxIkpzzV68/wGHZuld6j7CjXB9hfTg4DvzxQ139BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fba49119bba4e3a73dbb416bcd966abd57d8058d7720abdb57425ee3dd0a566a","last_reissued_at":"2026-07-05T06:02:48.597351Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:48.597351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.11898","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":"2026-07-05T06:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ahDjeHvH9oIXV7Z1+g54x9s0sckBNuxo4zMgKifJ1iiJP3aCyiBdMT9uoFGYMQl/tSreeEviYXVyTsylG6fVBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:36:01.218547Z"},"content_sha256":"5c3349c7cccc2bf43b7c50db9ce85719de44526b439a7136a9ca882215ce3ca8","schema_version":"1.0","event_id":"sha256:5c3349c7cccc2bf43b7c50db9ce85719de44526b439a7136a9ca882215ce3ca8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7OSJCGN3UTR2OPN3IFV43FTKXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stoichiometric Control and Optical Properties of BaTiO3 Thin Films Grown by Hybrid MBE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Albert Suceava, Benazir Fazlioglu Yalcin, Ke Wang, Roman Engel-Herbert, Tatiana Kuznetsova, Venkatraman Gopalan","submitted_at":"2022-12-22T17:34:39Z","abstract_excerpt":"BaTiO3 is a technologically relevant material in the perovskite oxide class with above room temperature ferroelectricity and a very large electro optical coefficient, making it highly suitable for emerging electronic and photonic devices. An easy, robust, straightforward, and scalable growth method is required to synthesize epitaxial BaTiO3 thin films with sufficient control over the film stoichiometry to achieve reproducible thin film properties. Here we report the growth of BaTiO3 thin films by hybrid molecular beam epitaxy. A self regulated growth window is identified using complementary in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11898","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.11898/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XypQ3C1mxyQEJIst2ebHRCM8fRi4WpPYH/onKP9flBeAjznwOp7YtSM4sSpM/JSXX//65dg/6+DQ96N83ZY0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:36:01.218922Z"},"content_sha256":"57d491f6ff438268def9fb9c2ad5ebda3244b7953408a2cdd9ea88bc3b4a5101","schema_version":"1.0","event_id":"sha256:57d491f6ff438268def9fb9c2ad5ebda3244b7953408a2cdd9ea88bc3b4a5101"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/bundle.json","state_url":"https://pith.science/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/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":"2026-07-07T11:36:01Z","links":{"resolver":"https://pith.science/pith/7OSJCGN3UTR2OPN3IFV43FTKXV","bundle":"https://pith.science/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/bundle.json","state":"https://pith.science/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7OSJCGN3UTR2OPN3IFV43FTKXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7OSJCGN3UTR2OPN3IFV43FTKXV","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":"3437d34d1ef830568d26b894f04bc6061c8fe0b94b48a67191062c0f83c6eb98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T17:34:39Z","title_canon_sha256":"0e278fa4c0b7bf916350eb134d1dd11be71b4ce0727e526b3c78f3ef36912578"},"schema_version":"1.0","source":{"id":"2212.11898","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11898","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11898v1","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11898","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"7OSJCGN3UTR2","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_16","alias_value":"7OSJCGN3UTR2OPN3","created_at":"2026-07-05T06:02:48Z"},{"alias_kind":"pith_short_8","alias_value":"7OSJCGN3","created_at":"2026-07-05T06:02:48Z"}],"graph_snapshots":[{"event_id":"sha256:57d491f6ff438268def9fb9c2ad5ebda3244b7953408a2cdd9ea88bc3b4a5101","target":"graph","created_at":"2026-07-05T06:02:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2212.11898/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"BaTiO3 is a technologically relevant material in the perovskite oxide class with above room temperature ferroelectricity and a very large electro optical coefficient, making it highly suitable for emerging electronic and photonic devices. An easy, robust, straightforward, and scalable growth method is required to synthesize epitaxial BaTiO3 thin films with sufficient control over the film stoichiometry to achieve reproducible thin film properties. Here we report the growth of BaTiO3 thin films by hybrid molecular beam epitaxy. A self regulated growth window is identified using complementary in","authors_text":"Albert Suceava, Benazir Fazlioglu Yalcin, Ke Wang, Roman Engel-Herbert, Tatiana Kuznetsova, Venkatraman Gopalan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T17:34:39Z","title":"Stoichiometric Control and Optical Properties of BaTiO3 Thin Films Grown by Hybrid MBE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11898","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":"sha256:5c3349c7cccc2bf43b7c50db9ce85719de44526b439a7136a9ca882215ce3ca8","target":"record","created_at":"2026-07-05T06:02:48Z","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":"3437d34d1ef830568d26b894f04bc6061c8fe0b94b48a67191062c0f83c6eb98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T17:34:39Z","title_canon_sha256":"0e278fa4c0b7bf916350eb134d1dd11be71b4ce0727e526b3c78f3ef36912578"},"schema_version":"1.0","source":{"id":"2212.11898","kind":"arxiv","version":1}},"canonical_sha256":"fba49119bba4e3a73dbb416bcd966abd57d8058d7720abdb57425ee3dd0a566a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fba49119bba4e3a73dbb416bcd966abd57d8058d7720abdb57425ee3dd0a566a","first_computed_at":"2026-07-05T06:02:48.597351Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:48.597351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DehpoOXG2Ucc7PovsqdbARucGdSgfiQwBzh09bCiIkyhUbxIkpzzV68/wGHZuld6j7CjXB9hfTg4DvzxQ139BA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:48.597690Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.11898","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c3349c7cccc2bf43b7c50db9ce85719de44526b439a7136a9ca882215ce3ca8","sha256:57d491f6ff438268def9fb9c2ad5ebda3244b7953408a2cdd9ea88bc3b4a5101"],"state_sha256":"7633236b11cb924bed582560adddb07d7574140957094d869bca8b4a51461d1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GRq/EZfVH3KIuRqOgCSo5vi/Bl0OvDgoTQfhEYiXnUZjka2sjDCq9V/DbrdxRIi6xV3HcQ8m+pNg/u2ZW2geBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:36:01.220937Z","bundle_sha256":"7eb572505898aa07aaab5003a9c76500ceab77d09c30430a2c7f91361630f979"}}