{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:FP57W2LO73WTH6KAWHGAZ3S7NL","short_pith_number":"pith:FP57W2LO","canonical_record":{"source":{"id":"2211.13947","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-11-25T08:11:59Z","cross_cats_sorted":["cond-mat.str-el","cond-mat.supr-con"],"title_canon_sha256":"66cb388cf1029d052fcca972650414d340166cf0720e835999bcea83110585eb","abstract_canon_sha256":"b5cf404e388864d4fcc04fa6ebaee8c8ada1aa0cd39cd0dd56c09e98e48c0893"},"schema_version":"1.0"},"canonical_sha256":"2bfbfb696efeed33f940b1cc0cee5f6ae75ed2c3e19b12f78c16acb26f5b4457","source":{"kind":"arxiv","id":"2211.13947","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.13947","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"2211.13947v1","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.13947","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"FP57W2LO73WT","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_16","alias_value":"FP57W2LO73WTH6KA","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_8","alias_value":"FP57W2LO","created_at":"2026-07-05T05:39:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:FP57W2LO73WTH6KAWHGAZ3S7NL","target":"record","payload":{"canonical_record":{"source":{"id":"2211.13947","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-11-25T08:11:59Z","cross_cats_sorted":["cond-mat.str-el","cond-mat.supr-con"],"title_canon_sha256":"66cb388cf1029d052fcca972650414d340166cf0720e835999bcea83110585eb","abstract_canon_sha256":"b5cf404e388864d4fcc04fa6ebaee8c8ada1aa0cd39cd0dd56c09e98e48c0893"},"schema_version":"1.0"},"canonical_sha256":"2bfbfb696efeed33f940b1cc0cee5f6ae75ed2c3e19b12f78c16acb26f5b4457","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:39:25.936768Z","signature_b64":"yBvkgz46gr6mgRrD25b8bKMl0RQs6x/qljVV0WwLSurteJw1qNRM2cZzXFM/GpQo8XnBQZkD4rJdyw0ezQV1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bfbfb696efeed33f940b1cc0cee5f6ae75ed2c3e19b12f78c16acb26f5b4457","last_reissued_at":"2026-07-05T05:39:25.936333Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:39:25.936333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.13947","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":"2026-07-05T05:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3StmxqX1vxMjdS8KkdqSmECqKB5khVRxyq+FBcWmM6bM4/HTJf4g103lzGOuShRalx3iHdoCom650V/o2ee7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:17:46.588747Z"},"content_sha256":"f0179361ba53caf6b7ee1c57a69dda22b2d3cde31376bbe24a35dda9b4861ab5","schema_version":"1.0","event_id":"sha256:f0179361ba53caf6b7ee1c57a69dda22b2d3cde31376bbe24a35dda9b4861ab5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:FP57W2LO73WTH6KAWHGAZ3S7NL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Uniaxial negative thermal expansion in an orthorhombic superconductor CoZr3","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el","cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aichi Yamashita, Akira Miura, Chikako Moriyoshi, Hiroaki Itou, Hiroshi Fujihisa, Hiroto Arima, Tatsuki Inui, Yoshikazu Mizuguchi","submitted_at":"2022-11-25T08:11:59Z","abstract_excerpt":"We investigated the temperature evolution of crystal structure of orthorhombic CoZr3, which is a superconductor with a transition temperature of 4.3 K, by synchrotron and laboratory (CuK{\\alpha}) X-ray diffraction. Uniaxial negative thermal expansion along the c-axis, which is similar to that observed in tetragonal CoZr2, has been observed at a wide temperature range of T = 90-800 K in CoZr3, while a-and b-axis exhibit positive thermal expansion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.13947","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/2211.13947/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":"2026-07-05T05:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvR2pBr21lX7NnIOHS11ta8gmqk2vVAup4ZytucOLBHf369d52fzbiEcQ4Kxs70KPShHfL4PXZnSTbTXQUi+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:17:46.589264Z"},"content_sha256":"a08538cf8fa67a53e000ac61fed394e65b8fd550ff078b39fa2484dd0a3e0556","schema_version":"1.0","event_id":"sha256:a08538cf8fa67a53e000ac61fed394e65b8fd550ff078b39fa2484dd0a3e0556"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/bundle.json","state_url":"https://pith.science/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/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":"2026-08-18T18:17:46Z","links":{"resolver":"https://pith.science/pith/FP57W2LO73WTH6KAWHGAZ3S7NL","bundle":"https://pith.science/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/bundle.json","state":"https://pith.science/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FP57W2LO73WTH6KAWHGAZ3S7NL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:FP57W2LO73WTH6KAWHGAZ3S7NL","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":"b5cf404e388864d4fcc04fa6ebaee8c8ada1aa0cd39cd0dd56c09e98e48c0893","cross_cats_sorted":["cond-mat.str-el","cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-11-25T08:11:59Z","title_canon_sha256":"66cb388cf1029d052fcca972650414d340166cf0720e835999bcea83110585eb"},"schema_version":"1.0","source":{"id":"2211.13947","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.13947","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"2211.13947v1","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.13947","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"FP57W2LO73WT","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_16","alias_value":"FP57W2LO73WTH6KA","created_at":"2026-07-05T05:39:25Z"},{"alias_kind":"pith_short_8","alias_value":"FP57W2LO","created_at":"2026-07-05T05:39:25Z"}],"graph_snapshots":[{"event_id":"sha256:a08538cf8fa67a53e000ac61fed394e65b8fd550ff078b39fa2484dd0a3e0556","target":"graph","created_at":"2026-07-05T05:39:25Z","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/2211.13947/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigated the temperature evolution of crystal structure of orthorhombic CoZr3, which is a superconductor with a transition temperature of 4.3 K, by synchrotron and laboratory (CuK{\\alpha}) X-ray diffraction. Uniaxial negative thermal expansion along the c-axis, which is similar to that observed in tetragonal CoZr2, has been observed at a wide temperature range of T = 90-800 K in CoZr3, while a-and b-axis exhibit positive thermal expansion.","authors_text":"Aichi Yamashita, Akira Miura, Chikako Moriyoshi, Hiroaki Itou, Hiroshi Fujihisa, Hiroto Arima, Tatsuki Inui, Yoshikazu Mizuguchi","cross_cats":["cond-mat.str-el","cond-mat.supr-con"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-11-25T08:11:59Z","title":"Uniaxial negative thermal expansion in an orthorhombic superconductor CoZr3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.13947","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:f0179361ba53caf6b7ee1c57a69dda22b2d3cde31376bbe24a35dda9b4861ab5","target":"record","created_at":"2026-07-05T05:39:25Z","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":"b5cf404e388864d4fcc04fa6ebaee8c8ada1aa0cd39cd0dd56c09e98e48c0893","cross_cats_sorted":["cond-mat.str-el","cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-11-25T08:11:59Z","title_canon_sha256":"66cb388cf1029d052fcca972650414d340166cf0720e835999bcea83110585eb"},"schema_version":"1.0","source":{"id":"2211.13947","kind":"arxiv","version":1}},"canonical_sha256":"2bfbfb696efeed33f940b1cc0cee5f6ae75ed2c3e19b12f78c16acb26f5b4457","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bfbfb696efeed33f940b1cc0cee5f6ae75ed2c3e19b12f78c16acb26f5b4457","first_computed_at":"2026-07-05T05:39:25.936333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:39:25.936333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yBvkgz46gr6mgRrD25b8bKMl0RQs6x/qljVV0WwLSurteJw1qNRM2cZzXFM/GpQo8XnBQZkD4rJdyw0ezQV1BA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:39:25.936768Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.13947","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0179361ba53caf6b7ee1c57a69dda22b2d3cde31376bbe24a35dda9b4861ab5","sha256:a08538cf8fa67a53e000ac61fed394e65b8fd550ff078b39fa2484dd0a3e0556"],"state_sha256":"d0fda24c9e9a0bdfb5d2d8266911eac380417dfde10165ca5534a9898accaf10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTkGAUEeGsUDfr9ZN+8f6rdc5SGjZfY32VEDimdypR+G6YqdVPr/wE5cS6Qf0YKPr2gLxIDKHNOdQARba82mAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T18:17:46.595967Z","bundle_sha256":"4c60f8a6bad6483acbc86687df30be16f34c6577c197db4088ce84daa578fde7"}}