{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:AYXF63IGQJO7YVPL5HQQM3QT2S","short_pith_number":"pith:AYXF63IG","canonical_record":{"source":{"id":"cond-mat/9707309","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1997-07-30T07:51:00Z","cross_cats_sorted":[],"title_canon_sha256":"9c8e55a3874c8ec7fffdcd3cbb34e0b278050f9a3dd75fc84047f2a8ff4ccd7d","abstract_canon_sha256":"9372fef0a3926988e61eb19b39e8a64d0562cb37c91e17b2626621a9b9f375e2"},"schema_version":"1.0"},"canonical_sha256":"062e5f6d06825dfc55ebe9e1066e13d4b315868fde33c036cfa58ce23d41a838","source":{"kind":"arxiv","id":"cond-mat/9707309","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9707309","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9707309v1","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9707309","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"AYXF63IGQJO7","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"AYXF63IGQJO7YVPL","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"AYXF63IG","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:AYXF63IGQJO7YVPL5HQQM3QT2S","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9707309","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1997-07-30T07:51:00Z","cross_cats_sorted":[],"title_canon_sha256":"9c8e55a3874c8ec7fffdcd3cbb34e0b278050f9a3dd75fc84047f2a8ff4ccd7d","abstract_canon_sha256":"9372fef0a3926988e61eb19b39e8a64d0562cb37c91e17b2626621a9b9f375e2"},"schema_version":"1.0"},"canonical_sha256":"062e5f6d06825dfc55ebe9e1066e13d4b315868fde33c036cfa58ce23d41a838","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:20.186008Z","signature_b64":"Vnly5OujqaxZ3BqeCfrojM9LWxnrjEN1/50b8GrD7VLZc+XZu1HAyouk1l5gPtlGjfOAz7pBLqbeWOEKClPcAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"062e5f6d06825dfc55ebe9e1066e13d4b315868fde33c036cfa58ce23d41a838","last_reissued_at":"2026-05-18T01:09:20.185453Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:20.185453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9707309","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xf/m0B/E5dHOjRl782aG/6vOlZbGtyvZ3o0yIsZmBOIBhLMX7lsyyPoYUf+x3z05JHywDWZwY+8wkQhdrPkMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:15:30.920342Z"},"content_sha256":"4df00814dde51dc41d3a7d812b3da1dcfee5c84d7f3446cbb839deb19cf8d999","schema_version":"1.0","event_id":"sha256:4df00814dde51dc41d3a7d812b3da1dcfee5c84d7f3446cbb839deb19cf8d999"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:AYXF63IGQJO7YVPL5HQQM3QT2S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pressure dependence of the low-frequency dielectric constant of KNbO_3","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Errandonea, E. Moya (Dpto de F\\'isica Aplicada, Spain), Univ. de Valencia","submitted_at":"1997-07-30T07:51:00Z","abstract_excerpt":"The effect of pressure on the low-frequency dielectric constant, $\\epsilon_0$, of single crystals of KNbO_3 is investigated by means of capacitance measurements. The dielectric constant increases with pressure up to 22.5 kbar, where it exhibits a large value ($\\epsilon_0$ = 5000), and then decreases. This change in its behaviour is related to a phase transition induced by pressure. On decompression, the samples do not revert back to the ambient pressure phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9707309","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"azGcXXJ0u3lLgw+iXKrDFETL62Fxcuvf+mPzHUwV9gt9ApD6nYuvLw/8WHRLc/+qSdDmxSmqNC4/VtLp+0fvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:15:30.920983Z"},"content_sha256":"bbebddc3a278acdf7c6443a2473b79077864abffab97db0233ecbe012548e6ea","schema_version":"1.0","event_id":"sha256:bbebddc3a278acdf7c6443a2473b79077864abffab97db0233ecbe012548e6ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/bundle.json","state_url":"https://pith.science/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/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":"2026-06-12T08:15:30Z","links":{"resolver":"https://pith.science/pith/AYXF63IGQJO7YVPL5HQQM3QT2S","bundle":"https://pith.science/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/bundle.json","state":"https://pith.science/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AYXF63IGQJO7YVPL5HQQM3QT2S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:AYXF63IGQJO7YVPL5HQQM3QT2S","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":"9372fef0a3926988e61eb19b39e8a64d0562cb37c91e17b2626621a9b9f375e2","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1997-07-30T07:51:00Z","title_canon_sha256":"9c8e55a3874c8ec7fffdcd3cbb34e0b278050f9a3dd75fc84047f2a8ff4ccd7d"},"schema_version":"1.0","source":{"id":"cond-mat/9707309","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9707309","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9707309v1","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9707309","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"AYXF63IGQJO7","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"AYXF63IGQJO7YVPL","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"AYXF63IG","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:bbebddc3a278acdf7c6443a2473b79077864abffab97db0233ecbe012548e6ea","target":"graph","created_at":"2026-05-18T01:09:20Z","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 effect of pressure on the low-frequency dielectric constant, $\\epsilon_0$, of single crystals of KNbO_3 is investigated by means of capacitance measurements. The dielectric constant increases with pressure up to 22.5 kbar, where it exhibits a large value ($\\epsilon_0$ = 5000), and then decreases. This change in its behaviour is related to a phase transition induced by pressure. On decompression, the samples do not revert back to the ambient pressure phase.","authors_text":"D. Errandonea, E. Moya (Dpto de F\\'isica Aplicada, Spain), Univ. de Valencia","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1997-07-30T07:51:00Z","title":"Pressure dependence of the low-frequency dielectric constant of KNbO_3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9707309","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":"sha256:4df00814dde51dc41d3a7d812b3da1dcfee5c84d7f3446cbb839deb19cf8d999","target":"record","created_at":"2026-05-18T01:09:20Z","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":"9372fef0a3926988e61eb19b39e8a64d0562cb37c91e17b2626621a9b9f375e2","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1997-07-30T07:51:00Z","title_canon_sha256":"9c8e55a3874c8ec7fffdcd3cbb34e0b278050f9a3dd75fc84047f2a8ff4ccd7d"},"schema_version":"1.0","source":{"id":"cond-mat/9707309","kind":"arxiv","version":1}},"canonical_sha256":"062e5f6d06825dfc55ebe9e1066e13d4b315868fde33c036cfa58ce23d41a838","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"062e5f6d06825dfc55ebe9e1066e13d4b315868fde33c036cfa58ce23d41a838","first_computed_at":"2026-05-18T01:09:20.185453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:20.185453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vnly5OujqaxZ3BqeCfrojM9LWxnrjEN1/50b8GrD7VLZc+XZu1HAyouk1l5gPtlGjfOAz7pBLqbeWOEKClPcAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:20.186008Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9707309","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4df00814dde51dc41d3a7d812b3da1dcfee5c84d7f3446cbb839deb19cf8d999","sha256:bbebddc3a278acdf7c6443a2473b79077864abffab97db0233ecbe012548e6ea"],"state_sha256":"f1b394473641d81b6a04978fa4305c9e7ef007d2cad7ab000e5ae5a3ea4f2163"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n6POA94U9ZL95Cs1IQgpJAkojJ3n9ab94KTaT1psIccnF8KhqAhhVJqn4i21iFdwBM/i1ejPx5i7WqYfl1dsCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:15:30.924019Z","bundle_sha256":"116dbb43b9d596b63c0222eee3742bb6058203e15ac9d4d6726cae2c886d2da8"}}