{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:6GI57YBEITMPLFAMUPC2CQBZ65","short_pith_number":"pith:6GI57YBE","schema_version":"1.0","canonical_sha256":"f191dfe02444d8f5940ca3c5a14039f76b1cb6c984bbeea802739592c1117e1e","source":{"kind":"arxiv","id":"0910.1609","version":4},"attestation_state":"computed","paper":{"title":"The Science Case for Building a Band 1 Receiver Suite for ALMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"A. Hales, A. M. M. Scaife, A. Wootten, B. Mason, B. Matthews, D. Iono, D. Johnstone, D. Scott, F. Yusef-Zadeh, G. Duchene, G. Schieven, H. Shang, J. Di Francesco, J. Wagg, L. Bronfman, M. Cunningham, M. Houde, N. Bartel, P. M. Koch, R. Kothes, S. Casassus, S. Chitsazzadeh, S.-P. Lai, S. Takakuwa, S.-Y. Liu, T. Maccarone","submitted_at":"2009-10-08T20:26:22Z","abstract_excerpt":"We present a set of compelling science cases for the ALMA Band 1 receiver suite. For these cases, we assume in tandem the updated nominal Band 1 frequency range of 35-50 GHz with a likely extension up to 52 GHz; together these frequencies optimize the Band 1 science return. The scope of the science cases ranges from nearby stars to the re-ionization edge of the Universe. Two cases provide additional leverage on the present ALMA Level One Science Goals and are seen as particularly powerful motivations for building the Band 1 Receiver suite: (1) detailing the evolution of grains in protoplanetar"},"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":"0910.1609","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-10-08T20:26:22Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"acf7592f403b180d1ed1ddf5771fad080c0e433a605cfb6458c6de8aef69c257","abstract_canon_sha256":"799f140010a919172c288899ce4931667a8961ad5e9f2f0c840bb013970bf25c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:53.407914Z","signature_b64":"5D4mBs8g6HhLjtvgjlTQ46b1MRt/MtdhgOoishuWfOI1ryIcJvDrasYOVq/n+a3sYf7lT0nUZNbJBsjnGrj1CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f191dfe02444d8f5940ca3c5a14039f76b1cb6c984bbeea802739592c1117e1e","last_reissued_at":"2026-05-18T03:42:53.407295Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:53.407295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Science Case for Building a Band 1 Receiver Suite for ALMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"A. Hales, A. M. M. Scaife, A. Wootten, B. Mason, B. Matthews, D. Iono, D. Johnstone, D. Scott, F. Yusef-Zadeh, G. Duchene, G. Schieven, H. Shang, J. Di Francesco, J. Wagg, L. Bronfman, M. Cunningham, M. Houde, N. Bartel, P. M. Koch, R. Kothes, S. Casassus, S. Chitsazzadeh, S.-P. Lai, S. Takakuwa, S.-Y. Liu, T. Maccarone","submitted_at":"2009-10-08T20:26:22Z","abstract_excerpt":"We present a set of compelling science cases for the ALMA Band 1 receiver suite. For these cases, we assume in tandem the updated nominal Band 1 frequency range of 35-50 GHz with a likely extension up to 52 GHz; together these frequencies optimize the Band 1 science return. The scope of the science cases ranges from nearby stars to the re-ionization edge of the Universe. Two cases provide additional leverage on the present ALMA Level One Science Goals and are seen as particularly powerful motivations for building the Band 1 Receiver suite: (1) detailing the evolution of grains in protoplanetar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1609","kind":"arxiv","version":4},"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":"0910.1609","created_at":"2026-05-18T03:42:53.407393+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.1609v4","created_at":"2026-05-18T03:42:53.407393+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1609","created_at":"2026-05-18T03:42:53.407393+00:00"},{"alias_kind":"pith_short_12","alias_value":"6GI57YBEITMP","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"6GI57YBEITMPLFAM","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"6GI57YBE","created_at":"2026-05-18T12:25:58.837520+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/6GI57YBEITMPLFAMUPC2CQBZ65","json":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65.json","graph_json":"https://pith.science/api/pith-number/6GI57YBEITMPLFAMUPC2CQBZ65/graph.json","events_json":"https://pith.science/api/pith-number/6GI57YBEITMPLFAMUPC2CQBZ65/events.json","paper":"https://pith.science/paper/6GI57YBE"},"agent_actions":{"view_html":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65","download_json":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65.json","view_paper":"https://pith.science/paper/6GI57YBE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.1609&json=true","fetch_graph":"https://pith.science/api/pith-number/6GI57YBEITMPLFAMUPC2CQBZ65/graph.json","fetch_events":"https://pith.science/api/pith-number/6GI57YBEITMPLFAMUPC2CQBZ65/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65/action/storage_attestation","attest_author":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65/action/author_attestation","sign_citation":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65/action/citation_signature","submit_replication":"https://pith.science/pith/6GI57YBEITMPLFAMUPC2CQBZ65/action/replication_record"}},"created_at":"2026-05-18T03:42:53.407393+00:00","updated_at":"2026-05-18T03:42:53.407393+00:00"}