{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4OH6BFHCXOVOTOBXBH2KMDIVFU","short_pith_number":"pith:4OH6BFHC","canonical_record":{"source":{"id":"2607.29676","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-31T17:55:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e1305590a1ed25c963340a1140e6222164c1c03200cb4dba966cd930842c3fea","abstract_canon_sha256":"3fadb1be4414e6605b360503dd935faf064b1d643bb7fee4155a2a70a5627c1a"},"schema_version":"1.0"},"canonical_sha256":"e38fe094e2bbaae9b83709f4a60d152d06df0f35ec3aa6152c504ecbb4144e75","source":{"kind":"arxiv","id":"2607.29676","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.29676","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.29676v1","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.29676","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_12","alias_value":"4OH6BFHCXOVO","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_16","alias_value":"4OH6BFHCXOVOTOBX","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_8","alias_value":"4OH6BFHC","created_at":"2026-08-03T01:41:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4OH6BFHCXOVOTOBXBH2KMDIVFU","target":"record","payload":{"canonical_record":{"source":{"id":"2607.29676","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-31T17:55:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e1305590a1ed25c963340a1140e6222164c1c03200cb4dba966cd930842c3fea","abstract_canon_sha256":"3fadb1be4414e6605b360503dd935faf064b1d643bb7fee4155a2a70a5627c1a"},"schema_version":"1.0"},"canonical_sha256":"e38fe094e2bbaae9b83709f4a60d152d06df0f35ec3aa6152c504ecbb4144e75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-03T01:41:43.502730Z","signature_b64":"Ys74mauC/eL/x0UyMexRDKdxrK45OqHwjKRLtwzLWkTtdCclLMg5C4vz+P6ioflNXUTVSSeM9p3nqcrj814JAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e38fe094e2bbaae9b83709f4a60d152d06df0f35ec3aa6152c504ecbb4144e75","last_reissued_at":"2026-08-03T01:41:43.501140Z","signature_status":"signed_v1","first_computed_at":"2026-08-03T01:41:43.501140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.29676","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":"2026-08-03T01:41:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lgiwPIZlr6OijaMXJo9Sh9LDA9AYG80qghPMaznQPtWDRxP3a1cGr23Gw6ubItB2gQuisqOvjF/eHfb/0LjbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:42.056190Z"},"content_sha256":"fc93709eeb5c2bd01df81930e4a4a36f2a8069e671055c4914f0b19d982b4775","schema_version":"1.0","event_id":"sha256:fc93709eeb5c2bd01df81930e4a4a36f2a8069e671055c4914f0b19d982b4775"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4OH6BFHCXOVOTOBXBH2KMDIVFU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic properties of a quasi-two-dimensional spin-1/2 antiferromagnet Y2CuGe4O12","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"B. Koteswararao, Changhyun Koo, Eundeok Mun, Heung-Sik Kim, J. Khatua, Kwang-Yong Choi, P. Khuntia, Suyoung Kim, V. K. Sahu, Yugo Oshima","submitted_at":"2026-07-31T17:55:41Z","abstract_excerpt":"Competing magnetic interactions and frustration-induced quantum fluctuations in spatially anisotropic low-dimensional magnets often give rise to exotic magnetic phenomena, including field-induced phases. Here, we present crystal structure, magnetic susceptibility, specific heat, and electron spin resonance (ESR) measurements on polycrystalline Y$2$CuGe$4$O${12}$, supported by density functional theory (DFT) calculations. In this compound, the Cu$^{2+}$ ions form a distorted triangular lattice with competing intraplanar ferromagnetic ($J_1 \\approx 0.138$ K and $J_2 \\approx 0.01$ K) and antiferr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.29676","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/2607.29676/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":"2026-08-03T01:41:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oOZ1d8dTp3ccyBFAvrJ4/1iZWHvYBgGjWFQh00cmLFIMiJUac4NbkRCOgWJI99d5Uzvpd8u3q8Cdvr0yK6dIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:42.056698Z"},"content_sha256":"231529046e75fd100dd5cbd4c03c8db958b8345e0ba56c7c89c684376621b4bb","schema_version":"1.0","event_id":"sha256:231529046e75fd100dd5cbd4c03c8db958b8345e0ba56c7c89c684376621b4bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/bundle.json","state_url":"https://pith.science/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/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":"2026-08-05T06:12:42Z","links":{"resolver":"https://pith.science/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU","bundle":"https://pith.science/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/bundle.json","state":"https://pith.science/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4OH6BFHCXOVOTOBXBH2KMDIVFU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4OH6BFHCXOVOTOBXBH2KMDIVFU","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":"3fadb1be4414e6605b360503dd935faf064b1d643bb7fee4155a2a70a5627c1a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-31T17:55:41Z","title_canon_sha256":"e1305590a1ed25c963340a1140e6222164c1c03200cb4dba966cd930842c3fea"},"schema_version":"1.0","source":{"id":"2607.29676","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.29676","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.29676v1","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.29676","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_12","alias_value":"4OH6BFHCXOVO","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_16","alias_value":"4OH6BFHCXOVOTOBX","created_at":"2026-08-03T01:41:43Z"},{"alias_kind":"pith_short_8","alias_value":"4OH6BFHC","created_at":"2026-08-03T01:41:43Z"}],"graph_snapshots":[{"event_id":"sha256:231529046e75fd100dd5cbd4c03c8db958b8345e0ba56c7c89c684376621b4bb","target":"graph","created_at":"2026-08-03T01:41:43Z","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/2607.29676/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Competing magnetic interactions and frustration-induced quantum fluctuations in spatially anisotropic low-dimensional magnets often give rise to exotic magnetic phenomena, including field-induced phases. Here, we present crystal structure, magnetic susceptibility, specific heat, and electron spin resonance (ESR) measurements on polycrystalline Y$2$CuGe$4$O${12}$, supported by density functional theory (DFT) calculations. In this compound, the Cu$^{2+}$ ions form a distorted triangular lattice with competing intraplanar ferromagnetic ($J_1 \\approx 0.138$ K and $J_2 \\approx 0.01$ K) and antiferr","authors_text":"B. Koteswararao, Changhyun Koo, Eundeok Mun, Heung-Sik Kim, J. Khatua, Kwang-Yong Choi, P. Khuntia, Suyoung Kim, V. K. Sahu, Yugo Oshima","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-31T17:55:41Z","title":"Magnetic properties of a quasi-two-dimensional spin-1/2 antiferromagnet Y2CuGe4O12"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.29676","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:fc93709eeb5c2bd01df81930e4a4a36f2a8069e671055c4914f0b19d982b4775","target":"record","created_at":"2026-08-03T01:41:43Z","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":"3fadb1be4414e6605b360503dd935faf064b1d643bb7fee4155a2a70a5627c1a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-31T17:55:41Z","title_canon_sha256":"e1305590a1ed25c963340a1140e6222164c1c03200cb4dba966cd930842c3fea"},"schema_version":"1.0","source":{"id":"2607.29676","kind":"arxiv","version":1}},"canonical_sha256":"e38fe094e2bbaae9b83709f4a60d152d06df0f35ec3aa6152c504ecbb4144e75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e38fe094e2bbaae9b83709f4a60d152d06df0f35ec3aa6152c504ecbb4144e75","first_computed_at":"2026-08-03T01:41:43.501140Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-03T01:41:43.501140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ys74mauC/eL/x0UyMexRDKdxrK45OqHwjKRLtwzLWkTtdCclLMg5C4vz+P6ioflNXUTVSSeM9p3nqcrj814JAA==","signature_status":"signed_v1","signed_at":"2026-08-03T01:41:43.502730Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.29676","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc93709eeb5c2bd01df81930e4a4a36f2a8069e671055c4914f0b19d982b4775","sha256:231529046e75fd100dd5cbd4c03c8db958b8345e0ba56c7c89c684376621b4bb"],"state_sha256":"327bd222aadcca251454f4b164efa9f3118c68c703b9542beac34c5ccd722b6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HiVmT1yLaSBKMtQjxpoGakov4uQ7ZXV0WBPminkEWoQh5M372JA0ASC81NvAL/06fybB/oeShuEgDoqjYeRgCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:12:42.062116Z","bundle_sha256":"e0106071b4f22ecb1789da060a81f9cb28bef963fda532d3bf4c6d32d8460d6d"}}