{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:22BV4XEMTRQ3JZPTQ7NQK53ZSN","short_pith_number":"pith:22BV4XEM","schema_version":"1.0","canonical_sha256":"d6835e5c8c9c61b4e5f387db0577799353db686ed1a1dc80f8177c8532a2ad7e","source":{"kind":"arxiv","id":"1807.10652","version":2},"attestation_state":"computed","paper":{"title":"ACCESS: A featureless optical transmission spectrum for WASP-19b from Magellan/IMACS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alex Bixel, Andr\\'es Jord\\'an, Benjamin V.\\ Rackham, Chima McGruder, D\\'aniel Apai, David J. Osip, Florian Rodler, Ian Weaver, Jens Hoeijmakers, Jonathan Fraine, Jonathan J. Fortney, Mercedes L\\'opez-Morales, N\\'estor Espinoza, Nikole K. Lewis, Paul A. Wilson, Simon L. Grimm","submitted_at":"2018-07-27T14:32:10Z","abstract_excerpt":"The short period ($0.94$-day) transiting exoplanet WASP-19b is an exceptional target for transmission spectroscopy studies, due to its relatively large atmospheric scale-height ($\\sim 500$ km) and equilibrium temperature ($\\sim 2100$ K). Here we report on six precise spectroscopic Magellan/IMACS observations, five of which target the full optical window from $0.45-0.9\\mu$m and one targeting the $0.4-0.55\\mu$m blue-optical range. Five of these datasets are consistent with a transmission spectrum without any significant spectral features, while one shows a significant slope as a function of wave"},"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":"1807.10652","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-27T14:32:10Z","cross_cats_sorted":[],"title_canon_sha256":"b8bc24b14eb7f106296a9fda4cc6ae2742fd57d69a0d0eb8b40d574538ae5ad9","abstract_canon_sha256":"36e61ec926d485974963e895dc1b6ba8aa49e66144e898d6fc967270e8f4dd2e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:04.326434Z","signature_b64":"/spBgm0rHBHY1aRhXCZHgdXqpGgC7KjbJ3ryAqfjpRHJ2NYp/ogt125G/qVlLNGeOSmCqHOTIcETGU3DdO4NBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6835e5c8c9c61b4e5f387db0577799353db686ed1a1dc80f8177c8532a2ad7e","last_reissued_at":"2026-05-18T00:03:04.325870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:04.325870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ACCESS: A featureless optical transmission spectrum for WASP-19b from Magellan/IMACS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alex Bixel, Andr\\'es Jord\\'an, Benjamin V.\\ Rackham, Chima McGruder, D\\'aniel Apai, David J. Osip, Florian Rodler, Ian Weaver, Jens Hoeijmakers, Jonathan Fraine, Jonathan J. Fortney, Mercedes L\\'opez-Morales, N\\'estor Espinoza, Nikole K. Lewis, Paul A. Wilson, Simon L. Grimm","submitted_at":"2018-07-27T14:32:10Z","abstract_excerpt":"The short period ($0.94$-day) transiting exoplanet WASP-19b is an exceptional target for transmission spectroscopy studies, due to its relatively large atmospheric scale-height ($\\sim 500$ km) and equilibrium temperature ($\\sim 2100$ K). Here we report on six precise spectroscopic Magellan/IMACS observations, five of which target the full optical window from $0.45-0.9\\mu$m and one targeting the $0.4-0.55\\mu$m blue-optical range. Five of these datasets are consistent with a transmission spectrum without any significant spectral features, while one shows a significant slope as a function of wave"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10652","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":"1807.10652","created_at":"2026-05-18T00:03:04.325958+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.10652v2","created_at":"2026-05-18T00:03:04.325958+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10652","created_at":"2026-05-18T00:03:04.325958+00:00"},{"alias_kind":"pith_short_12","alias_value":"22BV4XEMTRQ3","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"22BV4XEMTRQ3JZPT","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"22BV4XEM","created_at":"2026-05-18T12:31:59.375834+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/22BV4XEMTRQ3JZPTQ7NQK53ZSN","json":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN.json","graph_json":"https://pith.science/api/pith-number/22BV4XEMTRQ3JZPTQ7NQK53ZSN/graph.json","events_json":"https://pith.science/api/pith-number/22BV4XEMTRQ3JZPTQ7NQK53ZSN/events.json","paper":"https://pith.science/paper/22BV4XEM"},"agent_actions":{"view_html":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN","download_json":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN.json","view_paper":"https://pith.science/paper/22BV4XEM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.10652&json=true","fetch_graph":"https://pith.science/api/pith-number/22BV4XEMTRQ3JZPTQ7NQK53ZSN/graph.json","fetch_events":"https://pith.science/api/pith-number/22BV4XEMTRQ3JZPTQ7NQK53ZSN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN/action/storage_attestation","attest_author":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN/action/author_attestation","sign_citation":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN/action/citation_signature","submit_replication":"https://pith.science/pith/22BV4XEMTRQ3JZPTQ7NQK53ZSN/action/replication_record"}},"created_at":"2026-05-18T00:03:04.325958+00:00","updated_at":"2026-05-18T00:03:04.325958+00:00"}