{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ID5I4UUWSSIYIGAN35Q4WQWWNF","short_pith_number":"pith:ID5I4UUW","canonical_record":{"source":{"id":"2412.13278","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6940b9e413dd08e5ac956218d6b851142494f08f7f568cedebd92e87cb4cf11","abstract_canon_sha256":"d4ab8431e45195e3def8bc7fc66a4660648819d7283de2ebdfb97564bef897e9"},"schema_version":"1.0"},"canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","source":{"kind":"arxiv","id":"2412.13278","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.13278","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"arxiv_version","alias_value":"2412.13278v2","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13278","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_12","alias_value":"ID5I4UUWSSIY","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_16","alias_value":"ID5I4UUWSSIYIGAN","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_8","alias_value":"ID5I4UUW","created_at":"2026-07-05T10:14:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ID5I4UUWSSIYIGAN35Q4WQWWNF","target":"record","payload":{"canonical_record":{"source":{"id":"2412.13278","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6940b9e413dd08e5ac956218d6b851142494f08f7f568cedebd92e87cb4cf11","abstract_canon_sha256":"d4ab8431e45195e3def8bc7fc66a4660648819d7283de2ebdfb97564bef897e9"},"schema_version":"1.0"},"canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:14:07.848988Z","signature_b64":"GqpGFwA5TRYwc6VxkY4Jh4acQuYybNIzPFLHHFCIpofbUy1q94eQ7/7ke5oc5DI1Fv+B/dvhNw286bzGMfabAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","last_reissued_at":"2026-07-05T10:14:07.848421Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:14:07.848421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.13278","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":"2026-07-05T10:14:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3d1ZA/ek3JvQVLfEXbR3c07T/zjfZOl2veZwJ7AdLqNL8ortjpV4GZoc98qrhUQWc4s14yzXnE+ogSAMQYmTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:53:08.261878Z"},"content_sha256":"a0d269c1080fe569f8f181e0102c043741c7bed84be30b66ab1b9a8d1e739207","schema_version":"1.0","event_id":"sha256:a0d269c1080fe569f8f181e0102c043741c7bed84be30b66ab1b9a8d1e739207"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ID5I4UUWSSIYIGAN35Q4WQWWNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry-mediated quantum coherence of $W^{5+}$ spins in an oxygen-deficient double perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Abby N. Neill, Danna E. Freedman, Maxime A. Siegler, Mekhola Sinha, Paul H. Oyala, Peter V. Sushko, Shannon Bernier, Tyler J. Pearson, Tyrel M. McQueen, W. Adam Phelan","submitted_at":"2024-12-17T19:14:36Z","abstract_excerpt":"Elucidating the factors limiting quantum coherence in real materials is essential to the development of quantum technologies. Here we report a strategic approach to determine the effect of lattice dynamics on spin coherence lifetimes using oxygen deficient double perovskites as host materials. In addition to obtaining millisecond $T_1$ spin-lattice lifetimes at T ~ 10 K, measurable quantum superpositions were observed up to room temperature. We determine that $T_2$ enhancement in $Sr_2CaWO_{6-\\delta}$ over previously studied $Ba_2CaWO_{6-\\delta}$ is caused by a dynamically-driven increase in e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13278","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.13278/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":"2026-07-05T10:14:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WzEztrYFuTYRffqBK80mRzyOpH2Q9rExn3QxESj3DI4Q8o29p/B3rSANqXMAuNFnd4chYqU52sMOzwlnSvG5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:53:08.262417Z"},"content_sha256":"ba827dbef0a6d736602fb1c4456f29fc8ce8ca8eb31f6de771053afb2b321ad6","schema_version":"1.0","event_id":"sha256:ba827dbef0a6d736602fb1c4456f29fc8ce8ca8eb31f6de771053afb2b321ad6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/bundle.json","state_url":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/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":"2026-08-16T06:53:08Z","links":{"resolver":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF","bundle":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/bundle.json","state":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ID5I4UUWSSIYIGAN35Q4WQWWNF","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":"d4ab8431e45195e3def8bc7fc66a4660648819d7283de2ebdfb97564bef897e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","title_canon_sha256":"b6940b9e413dd08e5ac956218d6b851142494f08f7f568cedebd92e87cb4cf11"},"schema_version":"1.0","source":{"id":"2412.13278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.13278","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"arxiv_version","alias_value":"2412.13278v2","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13278","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_12","alias_value":"ID5I4UUWSSIY","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_16","alias_value":"ID5I4UUWSSIYIGAN","created_at":"2026-07-05T10:14:07Z"},{"alias_kind":"pith_short_8","alias_value":"ID5I4UUW","created_at":"2026-07-05T10:14:07Z"}],"graph_snapshots":[{"event_id":"sha256:ba827dbef0a6d736602fb1c4456f29fc8ce8ca8eb31f6de771053afb2b321ad6","target":"graph","created_at":"2026-07-05T10:14:07Z","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/2412.13278/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Elucidating the factors limiting quantum coherence in real materials is essential to the development of quantum technologies. Here we report a strategic approach to determine the effect of lattice dynamics on spin coherence lifetimes using oxygen deficient double perovskites as host materials. In addition to obtaining millisecond $T_1$ spin-lattice lifetimes at T ~ 10 K, measurable quantum superpositions were observed up to room temperature. We determine that $T_2$ enhancement in $Sr_2CaWO_{6-\\delta}$ over previously studied $Ba_2CaWO_{6-\\delta}$ is caused by a dynamically-driven increase in e","authors_text":"Abby N. Neill, Danna E. Freedman, Maxime A. Siegler, Mekhola Sinha, Paul H. Oyala, Peter V. Sushko, Shannon Bernier, Tyler J. Pearson, Tyrel M. McQueen, W. Adam Phelan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","title":"Symmetry-mediated quantum coherence of $W^{5+}$ spins in an oxygen-deficient double perovskite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13278","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:a0d269c1080fe569f8f181e0102c043741c7bed84be30b66ab1b9a8d1e739207","target":"record","created_at":"2026-07-05T10:14:07Z","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":"d4ab8431e45195e3def8bc7fc66a4660648819d7283de2ebdfb97564bef897e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","title_canon_sha256":"b6940b9e413dd08e5ac956218d6b851142494f08f7f568cedebd92e87cb4cf11"},"schema_version":"1.0","source":{"id":"2412.13278","kind":"arxiv","version":2}},"canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","first_computed_at":"2026-07-05T10:14:07.848421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:14:07.848421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GqpGFwA5TRYwc6VxkY4Jh4acQuYybNIzPFLHHFCIpofbUy1q94eQ7/7ke5oc5DI1Fv+B/dvhNw286bzGMfabAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:14:07.848988Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.13278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0d269c1080fe569f8f181e0102c043741c7bed84be30b66ab1b9a8d1e739207","sha256:ba827dbef0a6d736602fb1c4456f29fc8ce8ca8eb31f6de771053afb2b321ad6"],"state_sha256":"06622b9814026c249abc279127cd55ff7aa79a17ea4a180a1e37d7e3dd5b86db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C5qbUPFWGhraFw/aAlXB9vPp8Aky/LefRya5dDwug5r1y/cpa6KzN9JJBAEpeiJQ1VPbXoMO/Qyen5fNjHEIAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:53:08.265863Z","bundle_sha256":"e426cb82426ebf30af0ee68103c5a445c7be696b2156f36c0820cd7629f74b70"}}