{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:45L5K2KPLWVLU3NBPSGEWBN4JH","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":"d71db882fe4a7a061b5617a04365d02db6051a6a16d14690dd840aad6c1fa41e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-10T11:59:47Z","title_canon_sha256":"db613d147933ec33efc0b47edba1bdd995543030d4a78841c50f2e7ace20066b"},"schema_version":"1.0","source":{"id":"1804.03468","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03468","created_at":"2026-05-18T00:00:08Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03468v2","created_at":"2026-05-18T00:00:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03468","created_at":"2026-05-18T00:00:08Z"},{"alias_kind":"pith_short_12","alias_value":"45L5K2KPLWVL","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"45L5K2KPLWVLU3NB","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"45L5K2KP","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:07ba0b82cb361eb4c4d79eed9285eb243023fbff79e820b633628edc5292663e","target":"graph","created_at":"2026-05-18T00:00:08Z","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":"We investigate how a spherically symmetric fluid modifies the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the fluid and the central source of the Schwarzschild metric. This system is described by means of the gravitational decoupling realised via the minimal geometric deformation approach, which allows us to prove that the fluid must be anisotropic. Several cases are then explicitly shown","authors_text":"A Sotomayor, J Ovalle, R Casadio, R da Rocha, Z Stuchlik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-10T11:59:47Z","title":"Black holes by gravitational decoupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03468","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":"sha256:51e0ba833797206b180a13842488918e56c4b1f9d23202beea6e6fea8d026ced","target":"record","created_at":"2026-05-18T00:00:08Z","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":"d71db882fe4a7a061b5617a04365d02db6051a6a16d14690dd840aad6c1fa41e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-10T11:59:47Z","title_canon_sha256":"db613d147933ec33efc0b47edba1bdd995543030d4a78841c50f2e7ace20066b"},"schema_version":"1.0","source":{"id":"1804.03468","kind":"arxiv","version":2}},"canonical_sha256":"e757d5694f5daaba6da17c8c4b05bc49c80c52d7b06cf76de4d20392dac15132","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e757d5694f5daaba6da17c8c4b05bc49c80c52d7b06cf76de4d20392dac15132","first_computed_at":"2026-05-18T00:00:08.667506Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:08.667506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QfJF7u6YkeQi6lHSwQr6wF4sRogGgrtnJDCQ9yfAymnetPl6yiYGIVqz6cexbIpK5FCtMHlREolOw6GoUqmwBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:08.668047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.03468","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51e0ba833797206b180a13842488918e56c4b1f9d23202beea6e6fea8d026ced","sha256:07ba0b82cb361eb4c4d79eed9285eb243023fbff79e820b633628edc5292663e"],"state_sha256":"7a1ef5f230643ae35b8670f82bc2712cc7261fcbaecff549de53b444ff2174e0"}