{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:YEOL7LCFBC6I76HTVUKWCZ3A7R","short_pith_number":"pith:YEOL7LCF","schema_version":"1.0","canonical_sha256":"c11cbfac4508bc8ff8f3ad15616760fc599974b785b8f8f801a9a255a53c5398","source":{"kind":"arxiv","id":"1908.05308","version":1},"attestation_state":"computed","paper":{"title":"Angular Resolution of Closely-Spaced Targets with Antenna Arrays","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"David F Crouse, Ulrich Nickel","submitted_at":"2019-08-14T18:51:01Z","abstract_excerpt":"This is an English translation of Ulrich Nickel's PhD dissertation with the original title \"Winkelaufl\\\"osung eng benachbarter Ziele mit Gruppenantennen.\" It describes maximum-likelihood angular superresolution of closely-spaced targets. It also discusses estimating the number of targets present."},"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":"1908.05308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SP","submitted_at":"2019-08-14T18:51:01Z","cross_cats_sorted":[],"title_canon_sha256":"0d7215ae6a0db820b76f3844b93f241096fc18df680c7f2a0dabb733311d397a","abstract_canon_sha256":"d7c0c1e300c0d2171859c53b01750ba56471b10c2b11a41be4f84a6f10f7effa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:56:49.909231Z","signature_b64":"Wjt5xlNL6ISG5k/39bg/hUuoVVwVEZlmLzdWTvar76pfKMC2xB858jzpHLhSRh2f+1jjfdo9Sz5f1c69ARRtBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c11cbfac4508bc8ff8f3ad15616760fc599974b785b8f8f801a9a255a53c5398","last_reissued_at":"2026-07-04T23:56:49.908744Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:56:49.908744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Angular Resolution of Closely-Spaced Targets with Antenna Arrays","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"David F Crouse, Ulrich Nickel","submitted_at":"2019-08-14T18:51:01Z","abstract_excerpt":"This is an English translation of Ulrich Nickel's PhD dissertation with the original title \"Winkelaufl\\\"osung eng benachbarter Ziele mit Gruppenantennen.\" It describes maximum-likelihood angular superresolution of closely-spaced targets. It also discusses estimating the number of targets present."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.05308","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.05308/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.05308","created_at":"2026-07-04T23:56:49.908809+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.05308v1","created_at":"2026-07-04T23:56:49.908809+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.05308","created_at":"2026-07-04T23:56:49.908809+00:00"},{"alias_kind":"pith_short_12","alias_value":"YEOL7LCFBC6I","created_at":"2026-07-04T23:56:49.908809+00:00"},{"alias_kind":"pith_short_16","alias_value":"YEOL7LCFBC6I76HT","created_at":"2026-07-04T23:56:49.908809+00:00"},{"alias_kind":"pith_short_8","alias_value":"YEOL7LCF","created_at":"2026-07-04T23:56:49.908809+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/YEOL7LCFBC6I76HTVUKWCZ3A7R","json":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R.json","graph_json":"https://pith.science/api/pith-number/YEOL7LCFBC6I76HTVUKWCZ3A7R/graph.json","events_json":"https://pith.science/api/pith-number/YEOL7LCFBC6I76HTVUKWCZ3A7R/events.json","paper":"https://pith.science/paper/YEOL7LCF"},"agent_actions":{"view_html":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R","download_json":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R.json","view_paper":"https://pith.science/paper/YEOL7LCF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.05308&json=true","fetch_graph":"https://pith.science/api/pith-number/YEOL7LCFBC6I76HTVUKWCZ3A7R/graph.json","fetch_events":"https://pith.science/api/pith-number/YEOL7LCFBC6I76HTVUKWCZ3A7R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R/action/storage_attestation","attest_author":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R/action/author_attestation","sign_citation":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R/action/citation_signature","submit_replication":"https://pith.science/pith/YEOL7LCFBC6I76HTVUKWCZ3A7R/action/replication_record"}},"created_at":"2026-07-04T23:56:49.908809+00:00","updated_at":"2026-07-04T23:56:49.908809+00:00"}