{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BB34BQ5FY6IDH6SPNZY6P2FNOB","short_pith_number":"pith:BB34BQ5F","schema_version":"1.0","canonical_sha256":"0877c0c3a5c79033fa4f6e71e7e8ad7072b5d3d0cfc5bc4b140f701338737f82","source":{"kind":"arxiv","id":"1701.06227","version":1},"attestation_state":"computed","paper":{"title":"The Breakthrough Listen Search for Intelligent Life: Target Selection of Nearby Stars and Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Andrew P. V. Siemion, Danny C. Price, Dan Werthimer, David DeBoer, David MacMahon, Geoffrey W. Marcy, Greg Hellbourg, Howard Isaacson, Jack Hickish, J. Emilio Enriquez, Matt Lebofsky, Sofia Sheikh, Steve Croft","submitted_at":"2017-01-22T22:33:50Z","abstract_excerpt":"We present the target selection for the Breakthrough Listen search for extraterrestrial intelligence during the first year of observations at the Green Bank Telescope, Parkes Telescope and Automated Planet Finder. On the way to observing 1,000,000 nearby stars in search of technological signals, we present three main sets of objects we plan to observe in addition to a smaller sample of exotica. We choose the 60 nearest stars, all within 5.1 pc from the sun. Such nearby stars offer the potential to observe faint radio signals from transmitters having a power similar to those on Earth. We add a "},"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":"1701.06227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-01-22T22:33:50Z","cross_cats_sorted":[],"title_canon_sha256":"44d9a5b638d693a9840579d7f2c4084f7c05f35fc00c85353763d73893be24ed","abstract_canon_sha256":"42fd763e4df42fa154d771ae823b50520945a7c4bb8ee26ed1961da343118224"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:04.251668Z","signature_b64":"HKo1GXNsPw2OAojQdI7yCWh3XdTfCOWbunDfdFMVBjSdpUjsMWzbr5mHeU7Tcl03y8cbYOL+B3kZOsPu9m1DAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0877c0c3a5c79033fa4f6e71e7e8ad7072b5d3d0cfc5bc4b140f701338737f82","last_reissued_at":"2026-05-18T00:47:04.251241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:04.251241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Breakthrough Listen Search for Intelligent Life: Target Selection of Nearby Stars and Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Andrew P. V. Siemion, Danny C. Price, Dan Werthimer, David DeBoer, David MacMahon, Geoffrey W. Marcy, Greg Hellbourg, Howard Isaacson, Jack Hickish, J. Emilio Enriquez, Matt Lebofsky, Sofia Sheikh, Steve Croft","submitted_at":"2017-01-22T22:33:50Z","abstract_excerpt":"We present the target selection for the Breakthrough Listen search for extraterrestrial intelligence during the first year of observations at the Green Bank Telescope, Parkes Telescope and Automated Planet Finder. On the way to observing 1,000,000 nearby stars in search of technological signals, we present three main sets of objects we plan to observe in addition to a smaller sample of exotica. We choose the 60 nearest stars, all within 5.1 pc from the sun. Such nearby stars offer the potential to observe faint radio signals from transmitters having a power similar to those on Earth. We add a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06227","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":""},"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":"1701.06227","created_at":"2026-05-18T00:47:04.251301+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.06227v1","created_at":"2026-05-18T00:47:04.251301+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06227","created_at":"2026-05-18T00:47:04.251301+00:00"},{"alias_kind":"pith_short_12","alias_value":"BB34BQ5FY6ID","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BB34BQ5FY6IDH6SP","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BB34BQ5F","created_at":"2026-05-18T12:31:08.081275+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/BB34BQ5FY6IDH6SPNZY6P2FNOB","json":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB.json","graph_json":"https://pith.science/api/pith-number/BB34BQ5FY6IDH6SPNZY6P2FNOB/graph.json","events_json":"https://pith.science/api/pith-number/BB34BQ5FY6IDH6SPNZY6P2FNOB/events.json","paper":"https://pith.science/paper/BB34BQ5F"},"agent_actions":{"view_html":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB","download_json":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB.json","view_paper":"https://pith.science/paper/BB34BQ5F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.06227&json=true","fetch_graph":"https://pith.science/api/pith-number/BB34BQ5FY6IDH6SPNZY6P2FNOB/graph.json","fetch_events":"https://pith.science/api/pith-number/BB34BQ5FY6IDH6SPNZY6P2FNOB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB/action/storage_attestation","attest_author":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB/action/author_attestation","sign_citation":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB/action/citation_signature","submit_replication":"https://pith.science/pith/BB34BQ5FY6IDH6SPNZY6P2FNOB/action/replication_record"}},"created_at":"2026-05-18T00:47:04.251301+00:00","updated_at":"2026-05-18T00:47:04.251301+00:00"}