{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JGHIJYGRGRL6EHPWNQN5WCMMPA","short_pith_number":"pith:JGHIJYGR","canonical_record":{"source":{"id":"1907.07785","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-17T21:55:16Z","cross_cats_sorted":[],"title_canon_sha256":"d604d5ab29be4fdb9dbe895c8ffb326de3c662fc961a20caf7610c6c46a944e1","abstract_canon_sha256":"b68a654195aadd252bbf9fe4e0dbeb63e5375225b68c89dcb694c00e7f25679d"},"schema_version":"1.0"},"canonical_sha256":"498e84e0d13457e21df66c1bdb098c78195b9ee9eafc75d217e72759a9fc7610","source":{"kind":"arxiv","id":"1907.07785","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07785","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07785v3","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07785","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_12","alias_value":"JGHIJYGRGRL6","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_16","alias_value":"JGHIJYGRGRL6EHPW","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_8","alias_value":"JGHIJYGR","created_at":"2026-07-05T02:52:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JGHIJYGRGRL6EHPWNQN5WCMMPA","target":"record","payload":{"canonical_record":{"source":{"id":"1907.07785","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-17T21:55:16Z","cross_cats_sorted":[],"title_canon_sha256":"d604d5ab29be4fdb9dbe895c8ffb326de3c662fc961a20caf7610c6c46a944e1","abstract_canon_sha256":"b68a654195aadd252bbf9fe4e0dbeb63e5375225b68c89dcb694c00e7f25679d"},"schema_version":"1.0"},"canonical_sha256":"498e84e0d13457e21df66c1bdb098c78195b9ee9eafc75d217e72759a9fc7610","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:52:55.958299Z","signature_b64":"fcJuJ3eq4kqU/5dw05S+uOYTj5ut8R7QfaG+8ibo7Mz7HLskSUsPY/Wj6EUm74AzVbA/St7SH1uGHfMgiHaYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"498e84e0d13457e21df66c1bdb098c78195b9ee9eafc75d217e72759a9fc7610","last_reissued_at":"2026-07-05T02:52:55.957930Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:52:55.957930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.07785","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:52:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dw8K6XXPgIqMOUomws7XGFeQw9kskVM4AKAKHMrRkfdapMPko2K3mbZ3yKNR8f9ZhXEP9F9FNqFNtEjKy9XeCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T07:35:04.283540Z"},"content_sha256":"d77256ba2255663de5e52a08f327694a787e680bda5640842c61e628328c8f1b","schema_version":"1.0","event_id":"sha256:d77256ba2255663de5e52a08f327694a787e680bda5640842c61e628328c8f1b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JGHIJYGRGRL6EHPWNQN5WCMMPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Epitaxial stabilization of thin films of the frustrated Ge-based spinels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Denis M. Vasiukov, Elke Arenholz, Fangdi Wen, Jak Chakhalian, Liang Wu, Mikhail Kareev, Padraic Shafer, Xiaoran Liu","submitted_at":"2019-07-17T21:55:16Z","abstract_excerpt":"Frustrated magnets can host numerous exotic many-body quantum and topological phenomena. GeNi$_2$O$_4$ is a three dimensional $S=1$ frustrated magnet with an unusual two-stage transition to the two-dimensional antiferromagnetic ground state, while GeCu$_2$O$_4$ is a high-pressure phase with a strongly tetragonally elongated spinel structure and magnetic lattice formed by $S=1/2$ CuO$_2$ linear chains with frustrated exchange interactions and exotic magnetic behavior. Here we report on the first thin-film epitaxial stabilization of these two compounds. Developed growth mode, surface morphology,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07785","kind":"arxiv","version":3},"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/1907.07785/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":"2026-07-05T02:52:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LhERIiYUuWKzsFa3haJ11MyKeyrXOh+p0s7tY8FDF4/zzBv5uTenPkZCDmZMcTZLNOYx1FYwjhDqix0E5FXZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T07:35:04.283903Z"},"content_sha256":"89f5d8c2e4843ebc4785469cc71f9f52ae0ff8da1aa49eee66e90e2f010a7dbd","schema_version":"1.0","event_id":"sha256:89f5d8c2e4843ebc4785469cc71f9f52ae0ff8da1aa49eee66e90e2f010a7dbd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/bundle.json","state_url":"https://pith.science/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/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":"2026-08-23T07:35:04Z","links":{"resolver":"https://pith.science/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA","bundle":"https://pith.science/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/bundle.json","state":"https://pith.science/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGHIJYGRGRL6EHPWNQN5WCMMPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JGHIJYGRGRL6EHPWNQN5WCMMPA","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":"b68a654195aadd252bbf9fe4e0dbeb63e5375225b68c89dcb694c00e7f25679d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-17T21:55:16Z","title_canon_sha256":"d604d5ab29be4fdb9dbe895c8ffb326de3c662fc961a20caf7610c6c46a944e1"},"schema_version":"1.0","source":{"id":"1907.07785","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07785","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07785v3","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07785","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_12","alias_value":"JGHIJYGRGRL6","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_16","alias_value":"JGHIJYGRGRL6EHPW","created_at":"2026-07-05T02:52:55Z"},{"alias_kind":"pith_short_8","alias_value":"JGHIJYGR","created_at":"2026-07-05T02:52:55Z"}],"graph_snapshots":[{"event_id":"sha256:89f5d8c2e4843ebc4785469cc71f9f52ae0ff8da1aa49eee66e90e2f010a7dbd","target":"graph","created_at":"2026-07-05T02:52:55Z","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/1907.07785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Frustrated magnets can host numerous exotic many-body quantum and topological phenomena. GeNi$_2$O$_4$ is a three dimensional $S=1$ frustrated magnet with an unusual two-stage transition to the two-dimensional antiferromagnetic ground state, while GeCu$_2$O$_4$ is a high-pressure phase with a strongly tetragonally elongated spinel structure and magnetic lattice formed by $S=1/2$ CuO$_2$ linear chains with frustrated exchange interactions and exotic magnetic behavior. Here we report on the first thin-film epitaxial stabilization of these two compounds. Developed growth mode, surface morphology,","authors_text":"Denis M. Vasiukov, Elke Arenholz, Fangdi Wen, Jak Chakhalian, Liang Wu, Mikhail Kareev, Padraic Shafer, Xiaoran Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-17T21:55:16Z","title":"Epitaxial stabilization of thin films of the frustrated Ge-based spinels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07785","kind":"arxiv","version":3},"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:d77256ba2255663de5e52a08f327694a787e680bda5640842c61e628328c8f1b","target":"record","created_at":"2026-07-05T02:52:55Z","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":"b68a654195aadd252bbf9fe4e0dbeb63e5375225b68c89dcb694c00e7f25679d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-07-17T21:55:16Z","title_canon_sha256":"d604d5ab29be4fdb9dbe895c8ffb326de3c662fc961a20caf7610c6c46a944e1"},"schema_version":"1.0","source":{"id":"1907.07785","kind":"arxiv","version":3}},"canonical_sha256":"498e84e0d13457e21df66c1bdb098c78195b9ee9eafc75d217e72759a9fc7610","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"498e84e0d13457e21df66c1bdb098c78195b9ee9eafc75d217e72759a9fc7610","first_computed_at":"2026-07-05T02:52:55.957930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:52:55.957930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fcJuJ3eq4kqU/5dw05S+uOYTj5ut8R7QfaG+8ibo7Mz7HLskSUsPY/Wj6EUm74AzVbA/St7SH1uGHfMgiHaYCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:52:55.958299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.07785","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d77256ba2255663de5e52a08f327694a787e680bda5640842c61e628328c8f1b","sha256:89f5d8c2e4843ebc4785469cc71f9f52ae0ff8da1aa49eee66e90e2f010a7dbd"],"state_sha256":"f1ad26f1e660b6d6369e0299e73a75c2c2caf642234ed4696641bfcb683bb9e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t1U9LheXbF/fUpWCO6n4neiK5Zgi0g/TaGoQFVomvgyqqliHSJokaxXiTIF9sB3BXLTcmcc1j4QzZ7hjzWjuBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T07:35:04.286428Z","bundle_sha256":"b20ef80107d2acc1cb3a5313a182ef6927960c528dace086cee2c67ee2f507a9"}}