{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:63KC6UYGBAXWVGJDXNHAP5Q23F","short_pith_number":"pith:63KC6UYG","canonical_record":{"source":{"id":"1404.6438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-25T14:49:00Z","cross_cats_sorted":[],"title_canon_sha256":"9d8c118d9c7973ad1edaed705e9dc3e61eebc3a66496428b5f3e27c070a2dc57","abstract_canon_sha256":"f6830eb78a1f270b9daa24d2ec6f2bdda096ebea45d2ef6e7b52653984d3300a"},"schema_version":"1.0"},"canonical_sha256":"f6d42f5306082f6a9923bb4e07f61ad94bde70980aa4b9360a493a5c204d7c72","source":{"kind":"arxiv","id":"1404.6438","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6438","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6438v2","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6438","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"63KC6UYGBAXW","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"63KC6UYGBAXWVGJD","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"63KC6UYG","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:63KC6UYGBAXWVGJDXNHAP5Q23F","target":"record","payload":{"canonical_record":{"source":{"id":"1404.6438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-25T14:49:00Z","cross_cats_sorted":[],"title_canon_sha256":"9d8c118d9c7973ad1edaed705e9dc3e61eebc3a66496428b5f3e27c070a2dc57","abstract_canon_sha256":"f6830eb78a1f270b9daa24d2ec6f2bdda096ebea45d2ef6e7b52653984d3300a"},"schema_version":"1.0"},"canonical_sha256":"f6d42f5306082f6a9923bb4e07f61ad94bde70980aa4b9360a493a5c204d7c72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:23.487427Z","signature_b64":"c2UeeOYu4sVtewDd/g8YCxYwFHg6aO3AiL8xzU7tmdKXqMbSelb7k5uauUVVGyuW7CLZpB6eBtJFVDmPJJMVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6d42f5306082f6a9923bb4e07f61ad94bde70980aa4b9360a493a5c204d7c72","last_reissued_at":"2026-05-18T02:29:23.486973Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:23.486973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.6438","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":"2026-05-18T02:29:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PG2buKBKbc0hdg4lGhtA3vHFBySt1yB/Wm6LczfHjiTt/7zHhCaPgMC27jY7Nr/fdiH2qstIeizMpzjr8j+uAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:52:01.196572Z"},"content_sha256":"38ab36fe76bf3ef0f27f4796ee1ebb41568db97d30f1ca587b3b80515412e80d","schema_version":"1.0","event_id":"sha256:38ab36fe76bf3ef0f27f4796ee1ebb41568db97d30f1ca587b3b80515412e80d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:63KC6UYGBAXWVGJDXNHAP5Q23F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Incipient Ferromagnetism in Tb2Ge2O7: Application of Chemical Pressure to the Enigmatic Spin Liquid, Tb2Ti2O7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. M. Arevalo-Lopez, A. M. Hallas, C. R. Wiebe, E. S. Choi, G. M. Luke, H. D. Zhou, H. J. Silverstein, J. G. Cheng, J. P. Attfield, P. M. Sarte, Y. Su","submitted_at":"2014-04-25T14:49:00Z","abstract_excerpt":"The origin of the spin liquid state in Tb$_2$Ti$_2$O$_7$ has challenged experimentalists and theorists alike for nearly 20 years. To improve our understanding of the exotic magnetism in Tb$_2$Ti$_2$O$_7$, we have synthesized a chemical pressure analog, Tb$_2$Ge$_2$O$_7$. Germanium substitution results in a lattice contraction and enhanced exchange interactions. We have characterized the magnetic ground state of Tb$_2$Ge$_2$O$_7$ with specific heat, ac and dc magnetic susceptibility, and polarized neutron scattering measurements. Akin to Tb$_2$Ti$_2$O$_7$, there is no long-range order in Tb$_2$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6438","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":""},"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":"2026-05-18T02:29:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RAyA0SfRerhsy9DsW9VvMJYYRr5UcN+D/6Fuu7/PgVMq3qmbyhrtJ80OP9KgC19WOYJDIw6hnXb5Zk6llwedDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:52:01.197193Z"},"content_sha256":"375d26ee5b93c49faeb020d3b4cef77dd3d65f16168924bf4418975c0798b5ec","schema_version":"1.0","event_id":"sha256:375d26ee5b93c49faeb020d3b4cef77dd3d65f16168924bf4418975c0798b5ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/bundle.json","state_url":"https://pith.science/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/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":"2026-05-27T16:52:01Z","links":{"resolver":"https://pith.science/pith/63KC6UYGBAXWVGJDXNHAP5Q23F","bundle":"https://pith.science/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/bundle.json","state":"https://pith.science/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/63KC6UYGBAXWVGJDXNHAP5Q23F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:63KC6UYGBAXWVGJDXNHAP5Q23F","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":"f6830eb78a1f270b9daa24d2ec6f2bdda096ebea45d2ef6e7b52653984d3300a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-25T14:49:00Z","title_canon_sha256":"9d8c118d9c7973ad1edaed705e9dc3e61eebc3a66496428b5f3e27c070a2dc57"},"schema_version":"1.0","source":{"id":"1404.6438","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6438","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6438v2","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6438","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"63KC6UYGBAXW","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"63KC6UYGBAXWVGJD","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"63KC6UYG","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:375d26ee5b93c49faeb020d3b4cef77dd3d65f16168924bf4418975c0798b5ec","target":"graph","created_at":"2026-05-18T02:29:23Z","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"},"paper":{"abstract_excerpt":"The origin of the spin liquid state in Tb$_2$Ti$_2$O$_7$ has challenged experimentalists and theorists alike for nearly 20 years. To improve our understanding of the exotic magnetism in Tb$_2$Ti$_2$O$_7$, we have synthesized a chemical pressure analog, Tb$_2$Ge$_2$O$_7$. Germanium substitution results in a lattice contraction and enhanced exchange interactions. We have characterized the magnetic ground state of Tb$_2$Ge$_2$O$_7$ with specific heat, ac and dc magnetic susceptibility, and polarized neutron scattering measurements. Akin to Tb$_2$Ti$_2$O$_7$, there is no long-range order in Tb$_2$","authors_text":"A. M. Arevalo-Lopez, A. M. Hallas, C. R. Wiebe, E. S. Choi, G. M. Luke, H. D. Zhou, H. J. Silverstein, J. G. Cheng, J. P. Attfield, P. M. Sarte, Y. Su","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-25T14:49:00Z","title":"Incipient Ferromagnetism in Tb2Ge2O7: Application of Chemical Pressure to the Enigmatic Spin Liquid, Tb2Ti2O7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6438","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":"sha256:38ab36fe76bf3ef0f27f4796ee1ebb41568db97d30f1ca587b3b80515412e80d","target":"record","created_at":"2026-05-18T02:29:23Z","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":"f6830eb78a1f270b9daa24d2ec6f2bdda096ebea45d2ef6e7b52653984d3300a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-25T14:49:00Z","title_canon_sha256":"9d8c118d9c7973ad1edaed705e9dc3e61eebc3a66496428b5f3e27c070a2dc57"},"schema_version":"1.0","source":{"id":"1404.6438","kind":"arxiv","version":2}},"canonical_sha256":"f6d42f5306082f6a9923bb4e07f61ad94bde70980aa4b9360a493a5c204d7c72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6d42f5306082f6a9923bb4e07f61ad94bde70980aa4b9360a493a5c204d7c72","first_computed_at":"2026-05-18T02:29:23.486973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:23.486973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c2UeeOYu4sVtewDd/g8YCxYwFHg6aO3AiL8xzU7tmdKXqMbSelb7k5uauUVVGyuW7CLZpB6eBtJFVDmPJJMVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:23.487427Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.6438","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38ab36fe76bf3ef0f27f4796ee1ebb41568db97d30f1ca587b3b80515412e80d","sha256:375d26ee5b93c49faeb020d3b4cef77dd3d65f16168924bf4418975c0798b5ec"],"state_sha256":"8a20fb9f6a790d9a90e95162827fbf6215a716c6b758fc247768fd295baaa485"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NnSHcRLDinRqWlFwZsbHg4DxzUI7MlD9lbBvyppQiSzmvaRre1QA5pbIPn8oGHlj8Z0dRX2Fs9LqIKoISN6NBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:52:01.199853Z","bundle_sha256":"3c697eb08f0ea23c9cd41834c5c610c7efceb41ef795f7fd040099880dcd3094"}}