{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:B4OFPPRPQCCHTQUXPYOIZ5GX6M","short_pith_number":"pith:B4OFPPRP","canonical_record":{"source":{"id":"1610.05244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-17T18:16:25Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a9668f9a106fcc9782746ca7bb0734fe3aeb06c51f41b966fa9da9f4a97584ce","abstract_canon_sha256":"5ba396cfe2966d353426faf99ede2767ca632c63f057db087b7080af8f905945"},"schema_version":"1.0"},"canonical_sha256":"0f1c57be2f808479c2977e1c8cf4d7f326115cd5f0134627b7dbd07e745c9de6","source":{"kind":"arxiv","id":"1610.05244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05244","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05244v1","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05244","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"B4OFPPRPQCCH","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B4OFPPRPQCCHTQUX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B4OFPPRP","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:B4OFPPRPQCCHTQUXPYOIZ5GX6M","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-17T18:16:25Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a9668f9a106fcc9782746ca7bb0734fe3aeb06c51f41b966fa9da9f4a97584ce","abstract_canon_sha256":"5ba396cfe2966d353426faf99ede2767ca632c63f057db087b7080af8f905945"},"schema_version":"1.0"},"canonical_sha256":"0f1c57be2f808479c2977e1c8cf4d7f326115cd5f0134627b7dbd07e745c9de6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:25.276553Z","signature_b64":"ppZx+vHNVKRPLB1JWlP/K4/Xxta9wBJ4nqaDhAzSXMgS2pXMTeJ1Klr1v8fUqLdZy8EvI06YwIelEzr6JwDuDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f1c57be2f808479c2977e1c8cf4d7f326115cd5f0134627b7dbd07e745c9de6","last_reissued_at":"2026-05-18T00:52:25.275866Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:25.275866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05244","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":"2026-05-18T00:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43LbZEhrqaaKuFScp2y8jx57Z1ZfYmSV8ErqNOdMqgVw37J3BknrQh5c6bHU/3sf8xa+al/CyUcWRK80ywxtBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:18:54.030897Z"},"content_sha256":"a8a16d674c1e2873ee4090d608e987a55f2d65c080bbc9b9bae3b90cdba9880e","schema_version":"1.0","event_id":"sha256:a8a16d674c1e2873ee4090d608e987a55f2d65c080bbc9b9bae3b90cdba9880e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:B4OFPPRPQCCHTQUXPYOIZ5GX6M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural, magnetic, electric, dielectric, and thermodynamic properties of multiferroic GeV4S8","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. G\\\"unther, A. Loidl, E. Ruff, H.-A. Krug von Nidda, P. Lunkenheimer, S. Widmann, V. Tsurkan","submitted_at":"2016-10-17T18:16:25Z","abstract_excerpt":"The lacunar spinel GeV4S8 undergoes orbital and ferroelectric ordering at the Jahn-Teller transition around 30 K and exhibits antiferromagnetic order below about 14 K. In addition to this orbitally driven ferroelectricity, lacunar spinels are an interesting material class, as the vanadium ions form V4 clusters representing stable molecular entities with a common electron distribution and a well-defined level scheme of molecular states resulting in a unique spin state per V4 molecule. Here we report detailed x-ray, magnetic susceptibility, electrical resistivity, heat capacity, thermal expansio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05244","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":""},"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":"2026-05-18T00:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T7eGRBkIYKzU6L2K2fD8L3q4GhPLFlUu4ijaTdIBCdIrJMcdYa0pgg1KqwwKbh9/8o49RMV8tqddvnOnm1mHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:18:54.031246Z"},"content_sha256":"4adba58826a718ff5f34832c81296c0be911091bd1bc3be5a6ed2e61bd048c96","schema_version":"1.0","event_id":"sha256:4adba58826a718ff5f34832c81296c0be911091bd1bc3be5a6ed2e61bd048c96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/bundle.json","state_url":"https://pith.science/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/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":"2026-06-03T19:18:54Z","links":{"resolver":"https://pith.science/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M","bundle":"https://pith.science/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/bundle.json","state":"https://pith.science/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B4OFPPRPQCCHTQUXPYOIZ5GX6M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:B4OFPPRPQCCHTQUXPYOIZ5GX6M","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":"5ba396cfe2966d353426faf99ede2767ca632c63f057db087b7080af8f905945","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-17T18:16:25Z","title_canon_sha256":"a9668f9a106fcc9782746ca7bb0734fe3aeb06c51f41b966fa9da9f4a97584ce"},"schema_version":"1.0","source":{"id":"1610.05244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05244","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05244v1","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05244","created_at":"2026-05-18T00:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"B4OFPPRPQCCH","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B4OFPPRPQCCHTQUX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B4OFPPRP","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:4adba58826a718ff5f34832c81296c0be911091bd1bc3be5a6ed2e61bd048c96","target":"graph","created_at":"2026-05-18T00:52:25Z","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"},"paper":{"abstract_excerpt":"The lacunar spinel GeV4S8 undergoes orbital and ferroelectric ordering at the Jahn-Teller transition around 30 K and exhibits antiferromagnetic order below about 14 K. In addition to this orbitally driven ferroelectricity, lacunar spinels are an interesting material class, as the vanadium ions form V4 clusters representing stable molecular entities with a common electron distribution and a well-defined level scheme of molecular states resulting in a unique spin state per V4 molecule. Here we report detailed x-ray, magnetic susceptibility, electrical resistivity, heat capacity, thermal expansio","authors_text":"A. G\\\"unther, A. Loidl, E. Ruff, H.-A. Krug von Nidda, P. Lunkenheimer, S. Widmann, V. Tsurkan","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-17T18:16:25Z","title":"Structural, magnetic, electric, dielectric, and thermodynamic properties of multiferroic GeV4S8"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05244","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:a8a16d674c1e2873ee4090d608e987a55f2d65c080bbc9b9bae3b90cdba9880e","target":"record","created_at":"2026-05-18T00:52:25Z","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":"5ba396cfe2966d353426faf99ede2767ca632c63f057db087b7080af8f905945","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-17T18:16:25Z","title_canon_sha256":"a9668f9a106fcc9782746ca7bb0734fe3aeb06c51f41b966fa9da9f4a97584ce"},"schema_version":"1.0","source":{"id":"1610.05244","kind":"arxiv","version":1}},"canonical_sha256":"0f1c57be2f808479c2977e1c8cf4d7f326115cd5f0134627b7dbd07e745c9de6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f1c57be2f808479c2977e1c8cf4d7f326115cd5f0134627b7dbd07e745c9de6","first_computed_at":"2026-05-18T00:52:25.275866Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:25.275866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ppZx+vHNVKRPLB1JWlP/K4/Xxta9wBJ4nqaDhAzSXMgS2pXMTeJ1Klr1v8fUqLdZy8EvI06YwIelEzr6JwDuDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:25.276553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8a16d674c1e2873ee4090d608e987a55f2d65c080bbc9b9bae3b90cdba9880e","sha256:4adba58826a718ff5f34832c81296c0be911091bd1bc3be5a6ed2e61bd048c96"],"state_sha256":"5ff0fbe7bfc1c0e53799fa8fccd7632351279bb03ed19e4a6abddaa3ed4dcdcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"koDucbprNg+IH81sQLOZN6ro3KWF+YDxRQ7S21pEaW3xalHiY8Mqws/uYfz8JfttAnVVwcI7P9AJciUu1pt1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:18:54.033165Z","bundle_sha256":"ca1998afb323d8efff11005941a74527643ca6c5027aef445509198ea1582c43"}}