{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:QQOXC3JEW7YCT62MDLPOEDPOG3","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":"7fc6200f03a7f05e598f0e90e8ee1ebe5fc834d757ba2e70ded3c889ba4c2293","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-14T11:41:51Z","title_canon_sha256":"b9c05432ef035e080c611c9cb6ac701db6f54eb2d3ed709fc4faa59e89a1ab9b"},"schema_version":"1.0","source":{"id":"1202.3007","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3007","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3007v3","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3007","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"pith_short_12","alias_value":"QQOXC3JEW7YC","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"QQOXC3JEW7YCT62M","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"QQOXC3JE","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:9b0556c977a0fe3c7eee1e924ac016aa2f48b9208451484a18f412bcce75b041","target":"graph","created_at":"2026-05-18T03:53:43Z","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"},"paper":{"abstract_excerpt":"Optical conductivity s(w) of PrRu4P12 has been studied under high pressure to 14 GPa, at low temperatures to 8 K, and at photon energies 12 meV-1.1 eV. The energy gap in s(w) at ambient pressure, caused by a metal-insulator transition due to an unconventional charge-density-wave formation at 63 K, is gradually filled in with increasing pressure to 10 GPa. At 14 GPa and below 30 K, s(w) exhibits a pronounced Drude-type component due to free carriers. This indicates that the initial insulating ground state at zero pressure has been turned into a metallic one at 14 GPa. This is consistent with a ","authors_text":"A. Takigawa, C. Sekine, G. L. Carr, H. Okamura, H. Sato, H. Sugawara, I. Matsutori, I. Shirotani, K. Miyata, K. Shoji, M. Matsunami, N. Ohta, T. Moriwaki, Y. Ikemoto, Z. Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-14T11:41:51Z","title":"Pressure suppression of unconventional charge-density-wave state in PrRu4P12 studied by optical conductivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3007","kind":"arxiv","version":3},"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":"sha256:6147b1abe14034d4b4bc27789eb2a65321f6462c6aa8bd8d1a641b5c80cb4f16","target":"record","created_at":"2026-05-18T03:53:43Z","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":"7fc6200f03a7f05e598f0e90e8ee1ebe5fc834d757ba2e70ded3c889ba4c2293","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-14T11:41:51Z","title_canon_sha256":"b9c05432ef035e080c611c9cb6ac701db6f54eb2d3ed709fc4faa59e89a1ab9b"},"schema_version":"1.0","source":{"id":"1202.3007","kind":"arxiv","version":3}},"canonical_sha256":"841d716d24b7f029fb4c1adee20dee36c2e44b498bc0e74a7d847aacb37c3b5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"841d716d24b7f029fb4c1adee20dee36c2e44b498bc0e74a7d847aacb37c3b5a","first_computed_at":"2026-05-18T03:53:43.606367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:43.606367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aSl5uJnro2boOvvWTnUeNepVz4/7L+tsrtvuXt6+ZS5TE1zeVaaxpFZFvURNx7f2uYxeQ6/fhZWNZOLk2mD6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:43.606833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.3007","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6147b1abe14034d4b4bc27789eb2a65321f6462c6aa8bd8d1a641b5c80cb4f16","sha256:9b0556c977a0fe3c7eee1e924ac016aa2f48b9208451484a18f412bcce75b041"],"state_sha256":"54b5edaddfcf8b7e15940543efdc9848342940b441ce4334094bdfd53bb1e14a"}