{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RU2XZMXSMIHKHERYZ2UM54CDQ2","short_pith_number":"pith:RU2XZMXS","canonical_record":{"source":{"id":"2308.14257","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-28T02:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"5b5ac7e1a209d25cf5cbff3332d8055f36b34108ca09d4f840206104c925e346","abstract_canon_sha256":"ba40a7b771112d8e99dc651cd053c0aa7f7f42c308d305b5062cf4bb34de8959"},"schema_version":"1.0"},"canonical_sha256":"8d357cb2f2620ea39238cea8cef04386b22b0ba7b7bb9bbbbb3b1c7a72688c42","source":{"kind":"arxiv","id":"2308.14257","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.14257","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"arxiv_version","alias_value":"2308.14257v2","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.14257","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_12","alias_value":"RU2XZMXSMIHK","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_16","alias_value":"RU2XZMXSMIHKHERY","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_8","alias_value":"RU2XZMXS","created_at":"2026-07-05T06:48:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RU2XZMXSMIHKHERYZ2UM54CDQ2","target":"record","payload":{"canonical_record":{"source":{"id":"2308.14257","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-28T02:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"5b5ac7e1a209d25cf5cbff3332d8055f36b34108ca09d4f840206104c925e346","abstract_canon_sha256":"ba40a7b771112d8e99dc651cd053c0aa7f7f42c308d305b5062cf4bb34de8959"},"schema_version":"1.0"},"canonical_sha256":"8d357cb2f2620ea39238cea8cef04386b22b0ba7b7bb9bbbbb3b1c7a72688c42","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:48:51.383762Z","signature_b64":"hZY5lDc/WhIzqXV0JCoTRZuKvILHiLZmyoplMyhnWHUUUNf9h2MISgB+0zQ4ZelwsVVN8HNnZvR4EWT0ROR/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d357cb2f2620ea39238cea8cef04386b22b0ba7b7bb9bbbbb3b1c7a72688c42","last_reissued_at":"2026-07-05T06:48:51.383212Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:48:51.383212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.14257","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":"2026-07-05T06:48:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l4aE/VDvRIM6rkhFSUHTvLb8C4E4JHW+Mk0xC0paRDgS58tYDX8HrlDGqrVTL6zMapScA/qhD4bDDD7yucTDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T03:06:33.332073Z"},"content_sha256":"c75f77beff71942177d63ba56d3ead6d85a735883e9b7b584612c4432f4e0959","schema_version":"1.0","event_id":"sha256:c75f77beff71942177d63ba56d3ead6d85a735883e9b7b584612c4432f4e0959"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RU2XZMXSMIHKHERYZ2UM54CDQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crystal-Chemical Origins of the Ultrahigh Conductivity of Metallic Delafossites","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ben Kaiser, Chris Leighton, Fred Tutt, Greg Haugstad, Guy N. Evans, Javier Garcia-Barriocanal, Justin Ramberger, Mike Manno, Prachi Sharma, Rafael M. Fernandes, Samuel Bayliff, Turan Birol, Vipul Chaturvedi, William E. Seyfried Jr., Yi Zhang, Yu Tao","submitted_at":"2023-08-28T02:21:52Z","abstract_excerpt":"Despite their highly anisotropic complex-oxidic nature, certain delafossite compounds (e.g., PdCoO2, PtCoO2) are the most conductive oxides known, for reasons that remain poorly understood. Their room-temperature conductivity can exceed that of Au, while their low-temperature electronic mean-free-paths reach an astonishing 20 microns. It is widely accepted that these materials must be ultrapure to achieve this, although the methods for their growth (which produce only small crystals) are not typically capable of such. Here, we first report a new approach to PdCoO2 crystal growth, using chemica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.14257","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/2308.14257/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":"2026-07-05T06:48:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p+XSSS2uYodLZSln7VOxuIVDYYCqgOpyupsYxYN08obQvDuh1N+yeeE95HKVJQDDasxE4QncPcNMxdW7FxCQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T03:06:33.332599Z"},"content_sha256":"807735045ea8fee4ce52962d03b2e45222e5cee7606bc0a93d328e7331d7e61d","schema_version":"1.0","event_id":"sha256:807735045ea8fee4ce52962d03b2e45222e5cee7606bc0a93d328e7331d7e61d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/bundle.json","state_url":"https://pith.science/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/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":"2026-08-24T03:06:33Z","links":{"resolver":"https://pith.science/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2","bundle":"https://pith.science/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/bundle.json","state":"https://pith.science/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RU2XZMXSMIHKHERYZ2UM54CDQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RU2XZMXSMIHKHERYZ2UM54CDQ2","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":"ba40a7b771112d8e99dc651cd053c0aa7f7f42c308d305b5062cf4bb34de8959","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-28T02:21:52Z","title_canon_sha256":"5b5ac7e1a209d25cf5cbff3332d8055f36b34108ca09d4f840206104c925e346"},"schema_version":"1.0","source":{"id":"2308.14257","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.14257","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"arxiv_version","alias_value":"2308.14257v2","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.14257","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_12","alias_value":"RU2XZMXSMIHK","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_16","alias_value":"RU2XZMXSMIHKHERY","created_at":"2026-07-05T06:48:51Z"},{"alias_kind":"pith_short_8","alias_value":"RU2XZMXS","created_at":"2026-07-05T06:48:51Z"}],"graph_snapshots":[{"event_id":"sha256:807735045ea8fee4ce52962d03b2e45222e5cee7606bc0a93d328e7331d7e61d","target":"graph","created_at":"2026-07-05T06:48:51Z","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/2308.14257/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite their highly anisotropic complex-oxidic nature, certain delafossite compounds (e.g., PdCoO2, PtCoO2) are the most conductive oxides known, for reasons that remain poorly understood. Their room-temperature conductivity can exceed that of Au, while their low-temperature electronic mean-free-paths reach an astonishing 20 microns. It is widely accepted that these materials must be ultrapure to achieve this, although the methods for their growth (which produce only small crystals) are not typically capable of such. Here, we first report a new approach to PdCoO2 crystal growth, using chemica","authors_text":"Ben Kaiser, Chris Leighton, Fred Tutt, Greg Haugstad, Guy N. Evans, Javier Garcia-Barriocanal, Justin Ramberger, Mike Manno, Prachi Sharma, Rafael M. Fernandes, Samuel Bayliff, Turan Birol, Vipul Chaturvedi, William E. Seyfried Jr., Yi Zhang, Yu Tao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-28T02:21:52Z","title":"Crystal-Chemical Origins of the Ultrahigh Conductivity of Metallic Delafossites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.14257","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:c75f77beff71942177d63ba56d3ead6d85a735883e9b7b584612c4432f4e0959","target":"record","created_at":"2026-07-05T06:48:51Z","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":"ba40a7b771112d8e99dc651cd053c0aa7f7f42c308d305b5062cf4bb34de8959","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-28T02:21:52Z","title_canon_sha256":"5b5ac7e1a209d25cf5cbff3332d8055f36b34108ca09d4f840206104c925e346"},"schema_version":"1.0","source":{"id":"2308.14257","kind":"arxiv","version":2}},"canonical_sha256":"8d357cb2f2620ea39238cea8cef04386b22b0ba7b7bb9bbbbb3b1c7a72688c42","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d357cb2f2620ea39238cea8cef04386b22b0ba7b7bb9bbbbb3b1c7a72688c42","first_computed_at":"2026-07-05T06:48:51.383212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:48:51.383212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hZY5lDc/WhIzqXV0JCoTRZuKvILHiLZmyoplMyhnWHUUUNf9h2MISgB+0zQ4ZelwsVVN8HNnZvR4EWT0ROR/AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:48:51.383762Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.14257","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c75f77beff71942177d63ba56d3ead6d85a735883e9b7b584612c4432f4e0959","sha256:807735045ea8fee4ce52962d03b2e45222e5cee7606bc0a93d328e7331d7e61d"],"state_sha256":"56998f76cac41ffe1a42997ae3a57265107915fce52e30d8829ed75eb3cf4b99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kNba5dNouzuhIH9b9ZPBJVHAbgU5c6aq/9Xa3v4gTVIxVUKNo6wNWVJcqzOT8ty3KLkeDdxZQ6I2dbW1OegOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-24T03:06:33.336491Z","bundle_sha256":"713af113c9d95096e8c281c64ee1a4deeaec5eafc37ebbc4a65b5e61a885b9c2"}}