{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:GEQC4A6YDEN57DSSTYCZUBOPGN","short_pith_number":"pith:GEQC4A6Y","schema_version":"1.0","canonical_sha256":"31202e03d8191bdf8e529e059a05cf3341f1571e1f8d555d6b07ef33444ec1f2","source":{"kind":"arxiv","id":"1110.6181","version":3},"attestation_state":"computed","paper":{"title":"Detection Technique for Artificially-Illuminated Objects in the Outer Solar System and Beyond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Abraham Loeb (Harvard), Edwin L. Turner (Princeton)","submitted_at":"2011-10-27T20:00:20Z","abstract_excerpt":"Existing and planned optical telescopes and surveys can detect artificially-illuminated objects comparable in total brightness to a major terrestrial city out to the outskirts of the Solar System. Orbital parameters of Kuiper belt objects (KBOs) are routinely measured to exquisite precisions of <10^{-3}. Here we propose to measure the variation of the observed flux F from such objects as a function of their changing orbital distances D. Sunlight-illuminated objects will show a logarithmic slope alpha=(dlogF/dlog D)=-4 whereas artificially-illuminated objects should exhibit alpha=-2. Planned su"},"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":"1110.6181","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-27T20:00:20Z","cross_cats_sorted":[],"title_canon_sha256":"f62f1747ceb45ffeb2705d708c332b7942382cf2161a50361f42facdec05115d","abstract_canon_sha256":"8802a953048646567ab1fb4b96857183229231046e120bd52601de1049168dce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:50.882222Z","signature_b64":"84okiWOQ+bEW2/9SY7rh0OCyF4cU8VkPoTayha8eaQeFtBG0pGNckJb01D4IBMNDoYgwdrm9GK98btq5r8/9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31202e03d8191bdf8e529e059a05cf3341f1571e1f8d555d6b07ef33444ec1f2","last_reissued_at":"2026-05-18T01:59:50.881773Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:50.881773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detection Technique for Artificially-Illuminated Objects in the Outer Solar System and Beyond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Abraham Loeb (Harvard), Edwin L. Turner (Princeton)","submitted_at":"2011-10-27T20:00:20Z","abstract_excerpt":"Existing and planned optical telescopes and surveys can detect artificially-illuminated objects comparable in total brightness to a major terrestrial city out to the outskirts of the Solar System. Orbital parameters of Kuiper belt objects (KBOs) are routinely measured to exquisite precisions of <10^{-3}. Here we propose to measure the variation of the observed flux F from such objects as a function of their changing orbital distances D. Sunlight-illuminated objects will show a logarithmic slope alpha=(dlogF/dlog D)=-4 whereas artificially-illuminated objects should exhibit alpha=-2. Planned su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.6181","kind":"arxiv","version":3},"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":"1110.6181","created_at":"2026-05-18T01:59:50.881845+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.6181v3","created_at":"2026-05-18T01:59:50.881845+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.6181","created_at":"2026-05-18T01:59:50.881845+00:00"},{"alias_kind":"pith_short_12","alias_value":"GEQC4A6YDEN5","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"GEQC4A6YDEN57DSS","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"GEQC4A6Y","created_at":"2026-05-18T12:26:28.662955+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/GEQC4A6YDEN57DSSTYCZUBOPGN","json":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN.json","graph_json":"https://pith.science/api/pith-number/GEQC4A6YDEN57DSSTYCZUBOPGN/graph.json","events_json":"https://pith.science/api/pith-number/GEQC4A6YDEN57DSSTYCZUBOPGN/events.json","paper":"https://pith.science/paper/GEQC4A6Y"},"agent_actions":{"view_html":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN","download_json":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN.json","view_paper":"https://pith.science/paper/GEQC4A6Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.6181&json=true","fetch_graph":"https://pith.science/api/pith-number/GEQC4A6YDEN57DSSTYCZUBOPGN/graph.json","fetch_events":"https://pith.science/api/pith-number/GEQC4A6YDEN57DSSTYCZUBOPGN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN/action/storage_attestation","attest_author":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN/action/author_attestation","sign_citation":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN/action/citation_signature","submit_replication":"https://pith.science/pith/GEQC4A6YDEN57DSSTYCZUBOPGN/action/replication_record"}},"created_at":"2026-05-18T01:59:50.881845+00:00","updated_at":"2026-05-18T01:59:50.881845+00:00"}