{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KHWOKXKZFJ65SYBRDXCPIRQLTE","short_pith_number":"pith:KHWOKXKZ","canonical_record":{"source":{"id":"1902.10335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-27T05:38:35Z","cross_cats_sorted":[],"title_canon_sha256":"6e3fb2fcf1af5e3715ab991c20b6031074b097b50a8d9139e5140425cf564384","abstract_canon_sha256":"2b674f222820d345258eb3b2bd210acdd55ad329bd13cbf15875c78b1188a5f2"},"schema_version":"1.0"},"canonical_sha256":"51ece55d592a7dd960311dc4f4460b9939562e8412b6a1c369bc146c52a6a54d","source":{"kind":"arxiv","id":"1902.10335","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10335","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10335v1","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10335","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"pith_short_12","alias_value":"KHWOKXKZFJ65","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"KHWOKXKZFJ65SYBR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"KHWOKXKZ","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KHWOKXKZFJ65SYBRDXCPIRQLTE","target":"record","payload":{"canonical_record":{"source":{"id":"1902.10335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-27T05:38:35Z","cross_cats_sorted":[],"title_canon_sha256":"6e3fb2fcf1af5e3715ab991c20b6031074b097b50a8d9139e5140425cf564384","abstract_canon_sha256":"2b674f222820d345258eb3b2bd210acdd55ad329bd13cbf15875c78b1188a5f2"},"schema_version":"1.0"},"canonical_sha256":"51ece55d592a7dd960311dc4f4460b9939562e8412b6a1c369bc146c52a6a54d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:31.163661Z","signature_b64":"GNk99cVpVbOqcc1v7a/AJsYmw6sOXtisHiZDUguugbRsm2bf4cqa2Rld+IXxVdZKzwMVVMruhvPU+7/+/++QBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51ece55d592a7dd960311dc4f4460b9939562e8412b6a1c369bc146c52a6a54d","last_reissued_at":"2026-05-17T23:52:31.163137Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:31.163137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.10335","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":"2026-05-17T23:52:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PcuZIegfqD1VcjTlJxSh9Q6CZRkNjqKfWEwcqL5/zLBjHi9kWfdarrgAh0FtIQZRBhIcR4L0w/iJ8/Egl8aEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:33:30.123774Z"},"content_sha256":"2e74c5af24fe28978fd2726da613020e14ec15125e0bc072d3b1d0b3267c4d57","schema_version":"1.0","event_id":"sha256:2e74c5af24fe28978fd2726da613020e14ec15125e0bc072d3b1d0b3267c4d57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KHWOKXKZFJ65SYBRDXCPIRQLTE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Growth Window of Ferroelectric Epitaxial Hf0.5Zr0.5O2 Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Florencio S\\'anchez, Ignasi Fina, Jike Lyu, Josep Fontcuberta, Raul Solanas","submitted_at":"2019-02-27T05:38:35Z","abstract_excerpt":"The metastable orthorhombic phase of hafnia is generally obtained in polycrystalline films, whereas in epitaxial films, its formation has been much less investigated. We have grown Hf0.5Zr0.5O2 films by pulsed laser deposition, and the growth window (temperature and oxygen pressure during deposition and film thickness) for epitaxial stabilization of the ferroelectric phase is mapped. The remnant ferroelectric polarization, up to around 24 uC/cm2, depends on the amount of orthorhombic phase and interplanar spacing and increases with temperature and pressure for a fixed film thickness. The leaka"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10335","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":"2026-05-17T23:52:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVr8g0A53o9jb5KL4Z6kX2w+PNeMT4ZkvabwShauNc6+4EMS9vBehwjbdhHcY+at16P8lXEr8F/vFIAkX6ihBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:33:30.124476Z"},"content_sha256":"b1e5e8cc09717bb2def08c8a952579a14fadaf8ae7d1f08eb2b68973588fef63","schema_version":"1.0","event_id":"sha256:b1e5e8cc09717bb2def08c8a952579a14fadaf8ae7d1f08eb2b68973588fef63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/bundle.json","state_url":"https://pith.science/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/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":"2026-06-11T23:33:30Z","links":{"resolver":"https://pith.science/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE","bundle":"https://pith.science/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/bundle.json","state":"https://pith.science/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHWOKXKZFJ65SYBRDXCPIRQLTE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KHWOKXKZFJ65SYBRDXCPIRQLTE","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":"2b674f222820d345258eb3b2bd210acdd55ad329bd13cbf15875c78b1188a5f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-27T05:38:35Z","title_canon_sha256":"6e3fb2fcf1af5e3715ab991c20b6031074b097b50a8d9139e5140425cf564384"},"schema_version":"1.0","source":{"id":"1902.10335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10335","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10335v1","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10335","created_at":"2026-05-17T23:52:31Z"},{"alias_kind":"pith_short_12","alias_value":"KHWOKXKZFJ65","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"KHWOKXKZFJ65SYBR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"KHWOKXKZ","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:b1e5e8cc09717bb2def08c8a952579a14fadaf8ae7d1f08eb2b68973588fef63","target":"graph","created_at":"2026-05-17T23:52:31Z","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 metastable orthorhombic phase of hafnia is generally obtained in polycrystalline films, whereas in epitaxial films, its formation has been much less investigated. We have grown Hf0.5Zr0.5O2 films by pulsed laser deposition, and the growth window (temperature and oxygen pressure during deposition and film thickness) for epitaxial stabilization of the ferroelectric phase is mapped. The remnant ferroelectric polarization, up to around 24 uC/cm2, depends on the amount of orthorhombic phase and interplanar spacing and increases with temperature and pressure for a fixed film thickness. The leaka","authors_text":"Florencio S\\'anchez, Ignasi Fina, Jike Lyu, Josep Fontcuberta, Raul Solanas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-27T05:38:35Z","title":"Growth Window of Ferroelectric Epitaxial Hf0.5Zr0.5O2 Thin Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10335","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":"sha256:2e74c5af24fe28978fd2726da613020e14ec15125e0bc072d3b1d0b3267c4d57","target":"record","created_at":"2026-05-17T23:52:31Z","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":"2b674f222820d345258eb3b2bd210acdd55ad329bd13cbf15875c78b1188a5f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-27T05:38:35Z","title_canon_sha256":"6e3fb2fcf1af5e3715ab991c20b6031074b097b50a8d9139e5140425cf564384"},"schema_version":"1.0","source":{"id":"1902.10335","kind":"arxiv","version":1}},"canonical_sha256":"51ece55d592a7dd960311dc4f4460b9939562e8412b6a1c369bc146c52a6a54d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51ece55d592a7dd960311dc4f4460b9939562e8412b6a1c369bc146c52a6a54d","first_computed_at":"2026-05-17T23:52:31.163137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:31.163137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GNk99cVpVbOqcc1v7a/AJsYmw6sOXtisHiZDUguugbRsm2bf4cqa2Rld+IXxVdZKzwMVVMruhvPU+7/+/++QBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:31.163661Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.10335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e74c5af24fe28978fd2726da613020e14ec15125e0bc072d3b1d0b3267c4d57","sha256:b1e5e8cc09717bb2def08c8a952579a14fadaf8ae7d1f08eb2b68973588fef63"],"state_sha256":"e06ed4e58586ade4c70fcc076ae458448b2f2c77cd6753788b1fe924b0028f46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nq9bOMA8MQtXaU4jSYzIBcB13Ieraru78k/NPBo8USroHz1/9jvUebz7JTV9rgj4ZpzYex6hg9gVCdzG+s/xAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T23:33:30.128657Z","bundle_sha256":"90ba0484a91f548aef63fad813e830ed8758c631a9bf5623167b3a682db72d55"}}