{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4ANYE25JFJGEFCVHOHQVZGYAYL","short_pith_number":"pith:4ANYE25J","canonical_record":{"source":{"id":"2607.12781","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-14T13:58:07Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"060cf6a7ba22e6ad084f6242caffcac733664e8491eda7004373b4be99af7679","abstract_canon_sha256":"3c9d05e68adf5157baf8fb2978814e06899bb39fa98ab65a7cd193f2f7566a26"},"schema_version":"1.0"},"canonical_sha256":"e01b826ba92a4c428aa771e15c9b00c2e563563d67024378e84e614e99563ef7","source":{"kind":"arxiv","id":"2607.12781","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12781","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12781v1","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12781","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_12","alias_value":"4ANYE25JFJGE","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_16","alias_value":"4ANYE25JFJGEFCVH","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_8","alias_value":"4ANYE25J","created_at":"2026-07-15T01:22:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4ANYE25JFJGEFCVHOHQVZGYAYL","target":"record","payload":{"canonical_record":{"source":{"id":"2607.12781","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-14T13:58:07Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"060cf6a7ba22e6ad084f6242caffcac733664e8491eda7004373b4be99af7679","abstract_canon_sha256":"3c9d05e68adf5157baf8fb2978814e06899bb39fa98ab65a7cd193f2f7566a26"},"schema_version":"1.0"},"canonical_sha256":"e01b826ba92a4c428aa771e15c9b00c2e563563d67024378e84e614e99563ef7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-15T01:22:17.513076Z","signature_b64":"Zu1WR+t+Q/HhhYgoTlZQnjpKAFPvw33YD3qaga3O15GYIi9TIQfI4NnB+CyGSuvdEQZgEC+w5vOytJ0jUKrcBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e01b826ba92a4c428aa771e15c9b00c2e563563d67024378e84e614e99563ef7","last_reissued_at":"2026-07-15T01:22:17.512251Z","signature_status":"signed_v1","first_computed_at":"2026-07-15T01:22:17.512251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.12781","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":"2026-07-15T01:22:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L3FgI6GOZ4loo0ekMLwktUGdjIaGJ2byGTlko7SZysPIQJv4XLvPibOcsLfpWRVgV6IYwTmn8oxHpRk4uoERBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:00:23.800695Z"},"content_sha256":"77db77744e38f150c6b90f001b5b452a5d0db5f90602dcfdcca6716e692f96f4","schema_version":"1.0","event_id":"sha256:77db77744e38f150c6b90f001b5b452a5d0db5f90602dcfdcca6716e692f96f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4ANYE25JFJGEFCVHOHQVZGYAYL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The self-organized vacancy order in Pr$_9$Ge$_{16}$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aleksandr V. Chernatyskiy, Brianna R. Billingsley, Feng Ye, Gregory T. McCandless, Halyna Hodovanets, Hyunsoo Kim, Jayashani S. T. Wickramasinghe, Julia Y. Chan, Kelci Graville, Liang Wu, Melissa G. Anderson, Simon G. Mitchell, Tai Kong, Zachary J. Morgan","submitted_at":"2026-07-14T13:58:07Z","abstract_excerpt":"In this work, we report the discovery of a new crystal structure on the Ge-rich side of the Pr-Ge binary phase diagram. Using a high-temperature flux technique, we grew single crystals of $Pr_9Ge_{16}$, which adopt a previously unreported orthorhombic $Fdd$2 structure type featuring ordered Ge vacancies. We present the anisotropic magnetic properties and identify the crystallographic $b$ axis perpendicular to the crystal plane as the magnetic easy axis. Temperature-dependent resistivity measurements reveal metallic behavior with a distinct anomaly at $T_{\\mathrm{C}}$ = 14.3 K. Hall resistivity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12781","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/2607.12781/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":"2026-07-15T01:22:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6VTP8zBMUe+3q3huq6/FO+Jf26hRgjwk9maTVRMwQl6kd4LOtLXTrZZVNJEH9jAY7JYhyQzo41gV8nhg3S1WBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:00:23.801633Z"},"content_sha256":"f3e993346614baa2e5078202a71e1586304807f848931bc59f2882fdda644260","schema_version":"1.0","event_id":"sha256:f3e993346614baa2e5078202a71e1586304807f848931bc59f2882fdda644260"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/bundle.json","state_url":"https://pith.science/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/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":"2026-08-14T00:00:23Z","links":{"resolver":"https://pith.science/pith/4ANYE25JFJGEFCVHOHQVZGYAYL","bundle":"https://pith.science/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/bundle.json","state":"https://pith.science/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ANYE25JFJGEFCVHOHQVZGYAYL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4ANYE25JFJGEFCVHOHQVZGYAYL","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":"3c9d05e68adf5157baf8fb2978814e06899bb39fa98ab65a7cd193f2f7566a26","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-14T13:58:07Z","title_canon_sha256":"060cf6a7ba22e6ad084f6242caffcac733664e8491eda7004373b4be99af7679"},"schema_version":"1.0","source":{"id":"2607.12781","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12781","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12781v1","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12781","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_12","alias_value":"4ANYE25JFJGE","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_16","alias_value":"4ANYE25JFJGEFCVH","created_at":"2026-07-15T01:22:17Z"},{"alias_kind":"pith_short_8","alias_value":"4ANYE25J","created_at":"2026-07-15T01:22:17Z"}],"graph_snapshots":[{"event_id":"sha256:f3e993346614baa2e5078202a71e1586304807f848931bc59f2882fdda644260","target":"graph","created_at":"2026-07-15T01:22:17Z","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/2607.12781/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we report the discovery of a new crystal structure on the Ge-rich side of the Pr-Ge binary phase diagram. Using a high-temperature flux technique, we grew single crystals of $Pr_9Ge_{16}$, which adopt a previously unreported orthorhombic $Fdd$2 structure type featuring ordered Ge vacancies. We present the anisotropic magnetic properties and identify the crystallographic $b$ axis perpendicular to the crystal plane as the magnetic easy axis. Temperature-dependent resistivity measurements reveal metallic behavior with a distinct anomaly at $T_{\\mathrm{C}}$ = 14.3 K. Hall resistivity","authors_text":"Aleksandr V. Chernatyskiy, Brianna R. Billingsley, Feng Ye, Gregory T. McCandless, Halyna Hodovanets, Hyunsoo Kim, Jayashani S. T. Wickramasinghe, Julia Y. Chan, Kelci Graville, Liang Wu, Melissa G. Anderson, Simon G. Mitchell, Tai Kong, Zachary J. Morgan","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-14T13:58:07Z","title":"The self-organized vacancy order in Pr$_9$Ge$_{16}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12781","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":"sha256:77db77744e38f150c6b90f001b5b452a5d0db5f90602dcfdcca6716e692f96f4","target":"record","created_at":"2026-07-15T01:22:17Z","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":"3c9d05e68adf5157baf8fb2978814e06899bb39fa98ab65a7cd193f2f7566a26","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-14T13:58:07Z","title_canon_sha256":"060cf6a7ba22e6ad084f6242caffcac733664e8491eda7004373b4be99af7679"},"schema_version":"1.0","source":{"id":"2607.12781","kind":"arxiv","version":1}},"canonical_sha256":"e01b826ba92a4c428aa771e15c9b00c2e563563d67024378e84e614e99563ef7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e01b826ba92a4c428aa771e15c9b00c2e563563d67024378e84e614e99563ef7","first_computed_at":"2026-07-15T01:22:17.512251Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T01:22:17.512251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zu1WR+t+Q/HhhYgoTlZQnjpKAFPvw33YD3qaga3O15GYIi9TIQfI4NnB+CyGSuvdEQZgEC+w5vOytJ0jUKrcBw==","signature_status":"signed_v1","signed_at":"2026-07-15T01:22:17.513076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.12781","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77db77744e38f150c6b90f001b5b452a5d0db5f90602dcfdcca6716e692f96f4","sha256:f3e993346614baa2e5078202a71e1586304807f848931bc59f2882fdda644260"],"state_sha256":"464f1c4267b96e78ead158f6bbe821d60de7d3f5ed4c18e8a7bb76d1b401f6f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TyiX/5HKGc5i/3WFrzuEEiTEKLJ4GevDoUzk/EAW+IbKH/rNgguFN++e+BSQfBcTX4YLfvPwEs20Wbs5u8FcCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T00:00:23.808229Z","bundle_sha256":"d8b4db037da9c6b0d334cccbbf1ee8674546a68dc092aa7324a706929bc5eaaa"}}