{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:FY2QKC32ZI6BBCCPG55BDDTRVY","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":"f1cd360e623e02811df4c4fd32fdb64f22bde74cf577ebc67ff5886eb3d369e1","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2000-11-23T12:37:59Z","title_canon_sha256":"184ab161aabafc3ca477e8940dcc8cedcafe3e4becda6ab23c854cf3e0ddbf78"},"schema_version":"1.0","source":{"id":"gr-qc/0011083","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0011083","created_at":"2026-07-04T16:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0011083v2","created_at":"2026-07-04T16:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0011083","created_at":"2026-07-04T16:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"FY2QKC32ZI6B","created_at":"2026-07-04T16:19:43Z"},{"alias_kind":"pith_short_16","alias_value":"FY2QKC32ZI6BBCCP","created_at":"2026-07-04T16:19:43Z"},{"alias_kind":"pith_short_8","alias_value":"FY2QKC32","created_at":"2026-07-04T16:19:43Z"}],"graph_snapshots":[{"event_id":"sha256:f36f1eece480a13e25d084314958a5c819d5b97631eb48dbceaa51e6dcec1af4","target":"graph","created_at":"2026-07-04T16:19:43Z","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/gr-qc/0011083/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a possible measurement of the time variability of the vacuum energy using strong gravitational lensing events. As an example we take an Einstein cross lens HST 14176+5226 and demonstrate that the measurement of the velocity dispersion with the accuracy of $\\pm$ 5 km/sec will have a chance to determine the time dependence of the vacuum energy as well as the density parameter with the accuracy of order 0.1 if one fixes the lens model.","authors_text":"Shijun Yoshida, Toshifumi Futamase","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2000-11-23T12:37:59Z","title":"Possible measurement of Quintessence and density parameter using strong gravitational lensing events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0011083","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":"sha256:696d5bbe5b606bd0d7e382d90dff48781d27d7d95da77f3732fe8ef03cddf65d","target":"record","created_at":"2026-07-04T16:19:43Z","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":"f1cd360e623e02811df4c4fd32fdb64f22bde74cf577ebc67ff5886eb3d369e1","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2000-11-23T12:37:59Z","title_canon_sha256":"184ab161aabafc3ca477e8940dcc8cedcafe3e4becda6ab23c854cf3e0ddbf78"},"schema_version":"1.0","source":{"id":"gr-qc/0011083","kind":"arxiv","version":2}},"canonical_sha256":"2e35050b7aca3c10884f377a118e71ae2a159e0f3bb8065132d2277e4647c5b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e35050b7aca3c10884f377a118e71ae2a159e0f3bb8065132d2277e4647c5b5","first_computed_at":"2026-07-04T16:19:43.740028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:19:43.740028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i3e6ZYXJdhAwzUFFCcr+KNyuI3HN9g8erEblvLOF7to9pRMT3QQ15UDTSAGi+F/u4asTBe0oSbfbM9XQdkwJAA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:19:43.740423Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0011083","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:696d5bbe5b606bd0d7e382d90dff48781d27d7d95da77f3732fe8ef03cddf65d","sha256:f36f1eece480a13e25d084314958a5c819d5b97631eb48dbceaa51e6dcec1af4"],"state_sha256":"5322cbcf392b5d9a12eb75720ad0b0df4930a72f939755a315b6beaaadc5b988"}