{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:S4YC6BKBFLCSZ34MEJN77LDCCG","short_pith_number":"pith:S4YC6BKB","schema_version":"1.0","canonical_sha256":"97302f05412ac52cef8c225bffac6211aee359e5d2660b5cade9e95b3fdcab4e","source":{"kind":"arxiv","id":"1707.05879","version":1},"attestation_state":"computed","paper":{"title":"A Compact Cryogenic Thermal Source for Detector Array Characterization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"David T. Chuss, Edward J. Wollack, Felipe Colazo, Karwan Rostem, Kyle Helson, Leah Berman, Marco Sagliocca, Martin DeGeorge","submitted_at":"2017-07-18T22:11:20Z","abstract_excerpt":"We describe the design, fabrication, and validation of a cryogenically-compatible quasioptical thermal source designed to be used for characterization of detector arrays. The source is constructed using a graphite-loaded epoxy mixture that is molded into a tiled pyramidal structure. The mold is fabricated using a hardened steel template produced via a wire EDM process. The absorptive mixture is bonded to a copper backplate enabling thermalization of the entire structure. The source reflectance is measured from 30-300 GHz and compared to models."},"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":"1707.05879","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T22:11:20Z","cross_cats_sorted":[],"title_canon_sha256":"baccde2d4d62971d7cec7537aab9e5a62ab2862c2446772a56eb0ade573c9e0e","abstract_canon_sha256":"7eee01acdbd3ddd88ccb29a63f81323ae9acfd3e401ad6ef163889b04f61b224"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:08.509280Z","signature_b64":"o0zjM77pH7RDz92e5zzKVjXXb5T4sqbbUghonapVVOLi9n1IcC7U1MxcGQsW6VV6IwXeba++kKbr3aF/ucF0CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97302f05412ac52cef8c225bffac6211aee359e5d2660b5cade9e95b3fdcab4e","last_reissued_at":"2026-05-18T00:32:08.508772Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:08.508772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Compact Cryogenic Thermal Source for Detector Array Characterization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"David T. Chuss, Edward J. Wollack, Felipe Colazo, Karwan Rostem, Kyle Helson, Leah Berman, Marco Sagliocca, Martin DeGeorge","submitted_at":"2017-07-18T22:11:20Z","abstract_excerpt":"We describe the design, fabrication, and validation of a cryogenically-compatible quasioptical thermal source designed to be used for characterization of detector arrays. The source is constructed using a graphite-loaded epoxy mixture that is molded into a tiled pyramidal structure. The mold is fabricated using a hardened steel template produced via a wire EDM process. The absorptive mixture is bonded to a copper backplate enabling thermalization of the entire structure. The source reflectance is measured from 30-300 GHz and compared to models."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05879","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":"1707.05879","created_at":"2026-05-18T00:32:08.508847+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.05879v1","created_at":"2026-05-18T00:32:08.508847+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05879","created_at":"2026-05-18T00:32:08.508847+00:00"},{"alias_kind":"pith_short_12","alias_value":"S4YC6BKBFLCS","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"S4YC6BKBFLCSZ34M","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"S4YC6BKB","created_at":"2026-05-18T12:31:43.269735+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/S4YC6BKBFLCSZ34MEJN77LDCCG","json":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG.json","graph_json":"https://pith.science/api/pith-number/S4YC6BKBFLCSZ34MEJN77LDCCG/graph.json","events_json":"https://pith.science/api/pith-number/S4YC6BKBFLCSZ34MEJN77LDCCG/events.json","paper":"https://pith.science/paper/S4YC6BKB"},"agent_actions":{"view_html":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG","download_json":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG.json","view_paper":"https://pith.science/paper/S4YC6BKB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.05879&json=true","fetch_graph":"https://pith.science/api/pith-number/S4YC6BKBFLCSZ34MEJN77LDCCG/graph.json","fetch_events":"https://pith.science/api/pith-number/S4YC6BKBFLCSZ34MEJN77LDCCG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG/action/storage_attestation","attest_author":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG/action/author_attestation","sign_citation":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG/action/citation_signature","submit_replication":"https://pith.science/pith/S4YC6BKBFLCSZ34MEJN77LDCCG/action/replication_record"}},"created_at":"2026-05-18T00:32:08.508847+00:00","updated_at":"2026-05-18T00:32:08.508847+00:00"}