{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:P2ZCXHBKFPZ225ZL7INGJAIL5D","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":"5d187a12273a03c183abb5ee4eeb76f33b82d729f86a7fe64f06a721d1c09236","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1995-12-14T18:30:43Z","title_canon_sha256":"d6df8283c5c66d156775da38d0461b466de079a2cec283440a6d06d9beca9291"},"schema_version":"1.0","source":{"id":"gr-qc/9512029","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9512029","created_at":"2026-07-04T15:58:52Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9512029v2","created_at":"2026-07-04T15:58:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9512029","created_at":"2026-07-04T15:58:52Z"},{"alias_kind":"pith_short_12","alias_value":"P2ZCXHBKFPZ2","created_at":"2026-07-04T15:58:52Z"},{"alias_kind":"pith_short_16","alias_value":"P2ZCXHBKFPZ225ZL","created_at":"2026-07-04T15:58:52Z"},{"alias_kind":"pith_short_8","alias_value":"P2ZCXHBK","created_at":"2026-07-04T15:58:52Z"}],"graph_snapshots":[{"event_id":"sha256:6c7e2c7c5061c013f7afd7d4b253d29c7b6507f1a69c9ef0ca7d81863eaf34df","target":"graph","created_at":"2026-07-04T15:58:52Z","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/9512029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The diagonal metric tensor whose components are functions of one spatial coordinate is considered. Einstein's field equations for a perfect-fluid source are reduced to quadratures once a generating function, equal to the product of two of the metric components, is chosen. The solutions are either static fluid cylinders or walls depending on whether or not one of the spatial coordinates is periodic. Cylinder and wall sources are generated and matched to the vacuum (Levi--Civita) space--time. A match to a cylinder source is achieved for $-\\frac{1}{2}<\\si<\\frac{1}{2}$, where $\\si$ is the mass per","authors_text":"Thomas G. Philbin","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1995-12-14T18:30:43Z","title":"Perfect-fluid cylinders and walls - sources for the Levi-Civita space-time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9512029","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":"sha256:7d7012c0342caae8796612330a0e67a48be360ba2c68fc4d4b45bcaeb7bb5e82","target":"record","created_at":"2026-07-04T15:58:52Z","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":"5d187a12273a03c183abb5ee4eeb76f33b82d729f86a7fe64f06a721d1c09236","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1995-12-14T18:30:43Z","title_canon_sha256":"d6df8283c5c66d156775da38d0461b466de079a2cec283440a6d06d9beca9291"},"schema_version":"1.0","source":{"id":"gr-qc/9512029","kind":"arxiv","version":2}},"canonical_sha256":"7eb22b9c2a2bf3ad772bfa1a64810be8c2740d2cd452194b637a432bbae0c271","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7eb22b9c2a2bf3ad772bfa1a64810be8c2740d2cd452194b637a432bbae0c271","first_computed_at":"2026-07-04T15:58:52.016031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:58:52.016031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K7TtJ6bsnpMMfmAkgg1ZSvE+SqMLTUavb+bUBEH3ZsF42CKECo2xmV/CLB6AtL5B2o979SWLGjrufl8wj6KeDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:58:52.016433Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9512029","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d7012c0342caae8796612330a0e67a48be360ba2c68fc4d4b45bcaeb7bb5e82","sha256:6c7e2c7c5061c013f7afd7d4b253d29c7b6507f1a69c9ef0ca7d81863eaf34df"],"state_sha256":"6bf84692490792b4385f02184a7994d1988378403ac61a74b25e2b523bf4303a"}