{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:KI6ZS5M45JGIATDA4WG44G3ADG","short_pith_number":"pith:KI6ZS5M4","schema_version":"1.0","canonical_sha256":"523d99759cea4c804c60e58dce1b6019b67729a92dbd4d8ea0ce844694a4a7ca","source":{"kind":"arxiv","id":"1108.3793","version":2},"attestation_state":"computed","paper":{"title":"Gravitational Lensing as a Mechanism For Effective Cloaking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","physics.pop-ph"],"primary_cat":"gr-qc","authors_text":"Benjamin K. Tippett","submitted_at":"2011-08-18T16:54:09Z","abstract_excerpt":"In light of the surge in popularity of electromagnetic cloaking devices, we consider whether it is possible to use gravitational lensing to cloak a volume of spacetime. A metric for such a spacetime geometry is presented, and its geometric and physical implications are explained."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1108.3793","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-08-18T16:54:09Z","cross_cats_sorted":["physics.optics","physics.pop-ph"],"title_canon_sha256":"c2d179085b56b47d46acfe309b018534ea2d33fbc3b6b6511d58c3f195189597","abstract_canon_sha256":"d03c248371ae6c340da2447cdce6f6bd2f8c315ca931b41a0ad7761328bac374"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:11.901780Z","signature_b64":"IOI6W65XqZGHNU7qchUQPLpmR1xYLWel6E84JCpyNYYlhqkD/jjH1Xc4uBaWlQMa+O1160r3hcZIrXiapBUGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"523d99759cea4c804c60e58dce1b6019b67729a92dbd4d8ea0ce844694a4a7ca","last_reissued_at":"2026-05-18T03:42:11.901094Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:11.901094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational Lensing as a Mechanism For Effective Cloaking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","physics.pop-ph"],"primary_cat":"gr-qc","authors_text":"Benjamin K. Tippett","submitted_at":"2011-08-18T16:54:09Z","abstract_excerpt":"In light of the surge in popularity of electromagnetic cloaking devices, we consider whether it is possible to use gravitational lensing to cloak a volume of spacetime. A metric for such a spacetime geometry is presented, and its geometric and physical implications are explained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3793","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1108.3793","created_at":"2026-05-18T03:42:11.901179+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.3793v2","created_at":"2026-05-18T03:42:11.901179+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3793","created_at":"2026-05-18T03:42:11.901179+00:00"},{"alias_kind":"pith_short_12","alias_value":"KI6ZS5M45JGI","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"KI6ZS5M45JGIATDA","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"KI6ZS5M4","created_at":"2026-05-18T12:26:32.869790+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG","json":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG.json","graph_json":"https://pith.science/api/pith-number/KI6ZS5M45JGIATDA4WG44G3ADG/graph.json","events_json":"https://pith.science/api/pith-number/KI6ZS5M45JGIATDA4WG44G3ADG/events.json","paper":"https://pith.science/paper/KI6ZS5M4"},"agent_actions":{"view_html":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG","download_json":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG.json","view_paper":"https://pith.science/paper/KI6ZS5M4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.3793&json=true","fetch_graph":"https://pith.science/api/pith-number/KI6ZS5M45JGIATDA4WG44G3ADG/graph.json","fetch_events":"https://pith.science/api/pith-number/KI6ZS5M45JGIATDA4WG44G3ADG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG/action/storage_attestation","attest_author":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG/action/author_attestation","sign_citation":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG/action/citation_signature","submit_replication":"https://pith.science/pith/KI6ZS5M45JGIATDA4WG44G3ADG/action/replication_record"}},"created_at":"2026-05-18T03:42:11.901179+00:00","updated_at":"2026-05-18T03:42:11.901179+00:00"}