{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ZF6JEH4R6WIKHTNCWTLMKOR272","short_pith_number":"pith:ZF6JEH4R","schema_version":"1.0","canonical_sha256":"c97c921f91f590a3cda2b4d6c53a3afebeb8f88e2a92ac409c80eba7253be072","source":{"kind":"arxiv","id":"1901.06027","version":1},"attestation_state":"computed","paper":{"title":"METAL: The Metal Evolution, Transport, and Abundance in the Large Magellanic Cloud Hubble program. I. Overview and Initial Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Benjamin Williams, Edward B. Jenkins, Jessica Werk, Joshua Peek, Julia Roman-Duval, Karin Sandstrom, Karl Gordon, Kirill Tchernyshyov, Lea Hagen, Margaret Meixner, Petia Yanchulova Merica-Jones","submitted_at":"2019-01-17T22:58:29Z","abstract_excerpt":"Metal Evolution, Transport, and Abundance in the LMC (METAL) is a large Cycle 24 program on the Hubble Space Telescope aimed at measuring dust extinction properties and interstellar depletions in the Large Magellanic Cloud (LMC) at half-solar metallicity. The 101-orbit program is comprised of COS and STIS spectroscopy toward 33 LMC massive stars between 1150 A and 3180 A, and parallel WFC3 imaging in 7 NUV-NIR filters. The fraction of silicon in the gas-phase (depletion) obtained from the spectroscopy decreases with increasing hydrogen column density. Depletion patterns for silicon differ betw"},"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":"1901.06027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T22:58:29Z","cross_cats_sorted":[],"title_canon_sha256":"a59f324d83493bea727d0ff2397932328044401ac6a507217fbb1f9a3e799178","abstract_canon_sha256":"49054e0a408db689aa5fab270ae1ddf4f3219b188ae3a97e3694076f6b4e5365"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:38.423539Z","signature_b64":"XzOziI3Rgd1AafajkFy3y1l8LD7JilYlCbKeIWzCQ9tYteiDupj2CfJwHrF+2rElJV8NSp5Zp4umUhv/yN1ZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c97c921f91f590a3cda2b4d6c53a3afebeb8f88e2a92ac409c80eba7253be072","last_reissued_at":"2026-05-17T23:52:38.422781Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:38.422781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"METAL: The Metal Evolution, Transport, and Abundance in the Large Magellanic Cloud Hubble program. I. Overview and Initial Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Benjamin Williams, Edward B. Jenkins, Jessica Werk, Joshua Peek, Julia Roman-Duval, Karin Sandstrom, Karl Gordon, Kirill Tchernyshyov, Lea Hagen, Margaret Meixner, Petia Yanchulova Merica-Jones","submitted_at":"2019-01-17T22:58:29Z","abstract_excerpt":"Metal Evolution, Transport, and Abundance in the LMC (METAL) is a large Cycle 24 program on the Hubble Space Telescope aimed at measuring dust extinction properties and interstellar depletions in the Large Magellanic Cloud (LMC) at half-solar metallicity. The 101-orbit program is comprised of COS and STIS spectroscopy toward 33 LMC massive stars between 1150 A and 3180 A, and parallel WFC3 imaging in 7 NUV-NIR filters. The fraction of silicon in the gas-phase (depletion) obtained from the spectroscopy decreases with increasing hydrogen column density. Depletion patterns for silicon differ betw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06027","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":"1901.06027","created_at":"2026-05-17T23:52:38.422908+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.06027v1","created_at":"2026-05-17T23:52:38.422908+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06027","created_at":"2026-05-17T23:52:38.422908+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZF6JEH4R6WIK","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZF6JEH4R6WIKHTNC","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZF6JEH4R","created_at":"2026-05-18T12:33:33.725879+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/ZF6JEH4R6WIKHTNCWTLMKOR272","json":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272.json","graph_json":"https://pith.science/api/pith-number/ZF6JEH4R6WIKHTNCWTLMKOR272/graph.json","events_json":"https://pith.science/api/pith-number/ZF6JEH4R6WIKHTNCWTLMKOR272/events.json","paper":"https://pith.science/paper/ZF6JEH4R"},"agent_actions":{"view_html":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272","download_json":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272.json","view_paper":"https://pith.science/paper/ZF6JEH4R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.06027&json=true","fetch_graph":"https://pith.science/api/pith-number/ZF6JEH4R6WIKHTNCWTLMKOR272/graph.json","fetch_events":"https://pith.science/api/pith-number/ZF6JEH4R6WIKHTNCWTLMKOR272/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272/action/storage_attestation","attest_author":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272/action/author_attestation","sign_citation":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272/action/citation_signature","submit_replication":"https://pith.science/pith/ZF6JEH4R6WIKHTNCWTLMKOR272/action/replication_record"}},"created_at":"2026-05-17T23:52:38.422908+00:00","updated_at":"2026-05-17T23:52:38.422908+00:00"}