{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:JOXT7XCIIAYGJAW6G5V6RVW3FD","short_pith_number":"pith:JOXT7XCI","schema_version":"1.0","canonical_sha256":"4baf3fdc4840306482de376be8d6db28d834466df847b69da11e399ae7434367","source":{"kind":"arxiv","id":"2608.00349","version":1},"attestation_state":"computed","paper":{"title":"Investigating the differential limb coupling effect for diffraction-limited spectrographs with PARVI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Andrea S.J. Lin, Ashley D. Baker, Dimitri Mawet, Garreth Ruane, Gautam Vasisht, Nemanja Jovanovic, Samuel Halverson","submitted_at":"2026-07-31T23:32:35Z","abstract_excerpt":"A promising new architecture for extreme-precision radial velocity (EPRV) spectrographs, hunting for small-amplitude stellar Doppler shifts induced by orbiting planets, is to build diffraction-limited instruments by using single-mode fibers fed by an adaptive optics system. However, the target stars are partially resolved when observing at the diffraction limit, and the resulting RVs are expected to be affected by differential limb coupling (DLC), an effect where the red- and blue-shifted sides of the stellar disk are coupled unequally into the spectrograph, producing an RV error term on the o"},"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":"2608.00349","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-31T23:32:35Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"d5d243d2d7ad718bffa4086852d306c90fd36a0b2a31034de38bd47d037cee1d","abstract_canon_sha256":"7bae313b5a53d9f94ff99f8f0d9f55c9172b31c3d7cead59a289107844d6ecae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T00:35:11.838123Z","signature_b64":"lYHzANItAzTQkUYcHasf0EbyhLXxOoVkhjfLOzuxl25NmF3uRR/96Xb6xoR1I37pf7Rbmcf9ct3Jo8/32dEJAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4baf3fdc4840306482de376be8d6db28d834466df847b69da11e399ae7434367","last_reissued_at":"2026-08-04T00:35:11.836646Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T00:35:11.836646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Investigating the differential limb coupling effect for diffraction-limited spectrographs with PARVI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Andrea S.J. Lin, Ashley D. Baker, Dimitri Mawet, Garreth Ruane, Gautam Vasisht, Nemanja Jovanovic, Samuel Halverson","submitted_at":"2026-07-31T23:32:35Z","abstract_excerpt":"A promising new architecture for extreme-precision radial velocity (EPRV) spectrographs, hunting for small-amplitude stellar Doppler shifts induced by orbiting planets, is to build diffraction-limited instruments by using single-mode fibers fed by an adaptive optics system. However, the target stars are partially resolved when observing at the diffraction limit, and the resulting RVs are expected to be affected by differential limb coupling (DLC), an effect where the red- and blue-shifted sides of the stellar disk are coupled unequally into the spectrograph, producing an RV error term on the o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.00349","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.00349/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":"2608.00349","created_at":"2026-08-04T00:35:11.837808+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.00349v1","created_at":"2026-08-04T00:35:11.837808+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.00349","created_at":"2026-08-04T00:35:11.837808+00:00"},{"alias_kind":"pith_short_12","alias_value":"JOXT7XCIIAYG","created_at":"2026-08-04T00:35:11.837808+00:00"},{"alias_kind":"pith_short_16","alias_value":"JOXT7XCIIAYGJAW6","created_at":"2026-08-04T00:35:11.837808+00:00"},{"alias_kind":"pith_short_8","alias_value":"JOXT7XCI","created_at":"2026-08-04T00:35:11.837808+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/JOXT7XCIIAYGJAW6G5V6RVW3FD","json":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD.json","graph_json":"https://pith.science/api/pith-number/JOXT7XCIIAYGJAW6G5V6RVW3FD/graph.json","events_json":"https://pith.science/api/pith-number/JOXT7XCIIAYGJAW6G5V6RVW3FD/events.json","paper":"https://pith.science/paper/JOXT7XCI"},"agent_actions":{"view_html":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD","download_json":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD.json","view_paper":"https://pith.science/paper/JOXT7XCI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.00349&json=true","fetch_graph":"https://pith.science/api/pith-number/JOXT7XCIIAYGJAW6G5V6RVW3FD/graph.json","fetch_events":"https://pith.science/api/pith-number/JOXT7XCIIAYGJAW6G5V6RVW3FD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD/action/storage_attestation","attest_author":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD/action/author_attestation","sign_citation":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD/action/citation_signature","submit_replication":"https://pith.science/pith/JOXT7XCIIAYGJAW6G5V6RVW3FD/action/replication_record"}},"created_at":"2026-08-04T00:35:11.837808+00:00","updated_at":"2026-08-04T00:35:11.837808+00:00"}