{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:ONBZOZTQBH4IWD6VS2OSXEKCKQ","short_pith_number":"pith:ONBZOZTQ","schema_version":"1.0","canonical_sha256":"734397667009f88b0fd5969d2b91425438737bd0daa9699e00299a5e9532dcaa","source":{"kind":"arxiv","id":"2306.13043","version":2},"attestation_state":"computed","paper":{"title":"B-mode polarization forecasts for GreenPol","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Kaplan, A. Zonca, H. K. Eriksen, H. Liu, H. Thommesen, I. K. Wehus, P. M. Lubin, P. Naselsky, P. R. Christensen, P. R. Meinhold, S. von Hausegger, U. Fuskeland","submitted_at":"2023-06-22T17:11:10Z","abstract_excerpt":"We present tensor-to-scalar ratio forecasts for GreenPol, a hypothetical ground-based B-mode experiment aiming to survey the cleanest regions of the Northern Galactic Hemisphere at five frequencies between 10 and 44 GHz. Its primary science goal would be to measure large-scale CMB polarization fluctuations at multipoles $\\ell \\lesssim 500$, and thereby constrain the primordial tensor-to-scalar ratio. The observations for the suggested experiment would take place at the Summit Station (72deg N, 38deg W) on Greenland, at an altitude of 3216 m above sea level. In this paper we simulate various ex"},"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":"2306.13043","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-22T17:11:10Z","cross_cats_sorted":[],"title_canon_sha256":"f7b6ea322ef141c3e77573edc2ddf884a51da571b4b0bd4a4925af182add5bd5","abstract_canon_sha256":"7786cd1748faad44cff620d7654827d23c6acd658b61ba669a1ee11ddf2c576d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:09:24.249955Z","signature_b64":"SrTxHqz1s5wjd15BWXGDBRMTuDywUWF7ydYQYbKPTD288PKI9JS1/FBrnLKJO5EeI1uvZS7Ble7XcVMIMiWBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"734397667009f88b0fd5969d2b91425438737bd0daa9699e00299a5e9532dcaa","last_reissued_at":"2026-07-05T08:09:24.249514Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:09:24.249514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"B-mode polarization forecasts for GreenPol","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Kaplan, A. Zonca, H. K. Eriksen, H. Liu, H. Thommesen, I. K. Wehus, P. M. Lubin, P. Naselsky, P. R. Christensen, P. R. Meinhold, S. von Hausegger, U. Fuskeland","submitted_at":"2023-06-22T17:11:10Z","abstract_excerpt":"We present tensor-to-scalar ratio forecasts for GreenPol, a hypothetical ground-based B-mode experiment aiming to survey the cleanest regions of the Northern Galactic Hemisphere at five frequencies between 10 and 44 GHz. Its primary science goal would be to measure large-scale CMB polarization fluctuations at multipoles $\\ell \\lesssim 500$, and thereby constrain the primordial tensor-to-scalar ratio. The observations for the suggested experiment would take place at the Summit Station (72deg N, 38deg W) on Greenland, at an altitude of 3216 m above sea level. In this paper we simulate various ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.13043","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.13043/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":"2306.13043","created_at":"2026-07-05T08:09:24.249569+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.13043v2","created_at":"2026-07-05T08:09:24.249569+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.13043","created_at":"2026-07-05T08:09:24.249569+00:00"},{"alias_kind":"pith_short_12","alias_value":"ONBZOZTQBH4I","created_at":"2026-07-05T08:09:24.249569+00:00"},{"alias_kind":"pith_short_16","alias_value":"ONBZOZTQBH4IWD6V","created_at":"2026-07-05T08:09:24.249569+00:00"},{"alias_kind":"pith_short_8","alias_value":"ONBZOZTQ","created_at":"2026-07-05T08:09:24.249569+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/ONBZOZTQBH4IWD6VS2OSXEKCKQ","json":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ.json","graph_json":"https://pith.science/api/pith-number/ONBZOZTQBH4IWD6VS2OSXEKCKQ/graph.json","events_json":"https://pith.science/api/pith-number/ONBZOZTQBH4IWD6VS2OSXEKCKQ/events.json","paper":"https://pith.science/paper/ONBZOZTQ"},"agent_actions":{"view_html":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ","download_json":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ.json","view_paper":"https://pith.science/paper/ONBZOZTQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.13043&json=true","fetch_graph":"https://pith.science/api/pith-number/ONBZOZTQBH4IWD6VS2OSXEKCKQ/graph.json","fetch_events":"https://pith.science/api/pith-number/ONBZOZTQBH4IWD6VS2OSXEKCKQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ/action/storage_attestation","attest_author":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ/action/author_attestation","sign_citation":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ/action/citation_signature","submit_replication":"https://pith.science/pith/ONBZOZTQBH4IWD6VS2OSXEKCKQ/action/replication_record"}},"created_at":"2026-07-05T08:09:24.249569+00:00","updated_at":"2026-07-05T08:09:24.249569+00:00"}