{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:EOY73ROZRMLM2AKG7ADBJT2G33","short_pith_number":"pith:EOY73ROZ","schema_version":"1.0","canonical_sha256":"23b1fdc5d98b16cd0146f80614cf46ded1225b1f0acbb867e92e408cba883d7f","source":{"kind":"arxiv","id":"1509.04920","version":2},"attestation_state":"computed","paper":{"title":"Ultra-pure digital sideband separation at sub-millimeter wavelengths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Alvear, A. Barishev, A. Khudchenko, E. Huaracan, F.P. Mena, J. Barkhof, L. Bronfman, R. Finger, R. Hesper, R. Rodriguez","submitted_at":"2015-09-16T13:57:54Z","abstract_excerpt":"Deep spectral-line surveys in the mm and sub-mm range can detect thousands of lines per band uncovering the rich chemistry of molecular clouds, star forming regions and circumstellar envelopes, among others objects. The ability to study the faintest features of spectroscopic observation is, nevertheless, limited by a number of factors. The most important are the source complexity (line density), limited spectral resolution and insufficient sideband (image) rejection (SRR). Dual Sideband (2SB) millimeter receivers separate upper and lower sideband rejecting the unwanted image by about 15 dB, bu"},"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":"1509.04920","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-16T13:57:54Z","cross_cats_sorted":[],"title_canon_sha256":"36b83649becccd360e021af7659dc1272a6a72be46fd0f53aa492ab00363c0b3","abstract_canon_sha256":"1fa7cccb562b018532b31c22e11b0d203fa7cce7a8d7995d33a665047303d6ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:41.568662Z","signature_b64":"S6kkry5ZoZjbNa7WOx7ARlm3YtD5Of5uyK1QtoykXvLjUbUgQ89XJsuYLM4Pd0nDPgJHAkZNPE4AD1tDc3QHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23b1fdc5d98b16cd0146f80614cf46ded1225b1f0acbb867e92e408cba883d7f","last_reissued_at":"2026-05-18T01:26:41.567882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:41.567882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultra-pure digital sideband separation at sub-millimeter wavelengths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Alvear, A. Barishev, A. Khudchenko, E. Huaracan, F.P. Mena, J. Barkhof, L. Bronfman, R. Finger, R. Hesper, R. Rodriguez","submitted_at":"2015-09-16T13:57:54Z","abstract_excerpt":"Deep spectral-line surveys in the mm and sub-mm range can detect thousands of lines per band uncovering the rich chemistry of molecular clouds, star forming regions and circumstellar envelopes, among others objects. The ability to study the faintest features of spectroscopic observation is, nevertheless, limited by a number of factors. The most important are the source complexity (line density), limited spectral resolution and insufficient sideband (image) rejection (SRR). Dual Sideband (2SB) millimeter receivers separate upper and lower sideband rejecting the unwanted image by about 15 dB, bu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04920","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":"1509.04920","created_at":"2026-05-18T01:26:41.568016+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.04920v2","created_at":"2026-05-18T01:26:41.568016+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04920","created_at":"2026-05-18T01:26:41.568016+00:00"},{"alias_kind":"pith_short_12","alias_value":"EOY73ROZRMLM","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"EOY73ROZRMLM2AKG","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"EOY73ROZ","created_at":"2026-05-18T12:29:19.899920+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/EOY73ROZRMLM2AKG7ADBJT2G33","json":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33.json","graph_json":"https://pith.science/api/pith-number/EOY73ROZRMLM2AKG7ADBJT2G33/graph.json","events_json":"https://pith.science/api/pith-number/EOY73ROZRMLM2AKG7ADBJT2G33/events.json","paper":"https://pith.science/paper/EOY73ROZ"},"agent_actions":{"view_html":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33","download_json":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33.json","view_paper":"https://pith.science/paper/EOY73ROZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.04920&json=true","fetch_graph":"https://pith.science/api/pith-number/EOY73ROZRMLM2AKG7ADBJT2G33/graph.json","fetch_events":"https://pith.science/api/pith-number/EOY73ROZRMLM2AKG7ADBJT2G33/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33/action/storage_attestation","attest_author":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33/action/author_attestation","sign_citation":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33/action/citation_signature","submit_replication":"https://pith.science/pith/EOY73ROZRMLM2AKG7ADBJT2G33/action/replication_record"}},"created_at":"2026-05-18T01:26:41.568016+00:00","updated_at":"2026-05-18T01:26:41.568016+00:00"}