{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:7MQN5HT57RVMDDHLJKR3GTS7FS","short_pith_number":"pith:7MQN5HT5","schema_version":"1.0","canonical_sha256":"fb20de9e7dfc6ac18ceb4aa3b34e5f2cbfc0a7c7a8c05cb7d1072d692fb5f739","source":{"kind":"arxiv","id":"2107.14302","version":2},"attestation_state":"computed","paper":{"title":"The Quest for the Missing Dust: I -- Restoring Large Scale Emission in Herschel Maps of Local Group Galaxies","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Caroline Bot, Christopher J. R. Clark, Julia C. Roman-Duval, Karl D. Gordon, Matthew W. L. Smith","submitted_at":"2021-07-29T20:01:25Z","abstract_excerpt":"Because the galaxies of the Local Group have such large angular sizes, much of their diffuse, large-angular-scale emission is filtered out by the Herschel data reduction process. In this work, we restore this previously missed dust in Herschel observations of the Large Magellanic Cloud, Small Magellanic Cloud, M31, and M33. We do this by combining Herschel data (including new reductions for the Magellanic Clouds), in Fourier space, with lower-resolution data from all-sky surveys (Planck, IRAS, and COBE) that did not miss the extended emission. With these new maps, we find that a significant am"},"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":"2107.14302","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-29T20:01:25Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"c0fd1319b5c65fc972f339343720fdc8e9f689c0e66ebc462fa5623e8d35965b","abstract_canon_sha256":"b08a0cd5780fcd708275660bf2ae5bb325cf50f5509e41ad01732dc21fd47f15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:04.103400Z","signature_b64":"I1YvFtnXQjzqX+KW88G+Dk74+fMegJn8bI+9mQgNTH1mFwrfx2uNerxNwdl1ZjF7eyMxeDAnD0wb7JTwSnWHAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb20de9e7dfc6ac18ceb4aa3b34e5f2cbfc0a7c7a8c05cb7d1072d692fb5f739","last_reissued_at":"2026-07-05T03:27:04.102994Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:04.102994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Quest for the Missing Dust: I -- Restoring Large Scale Emission in Herschel Maps of Local Group Galaxies","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Caroline Bot, Christopher J. R. Clark, Julia C. Roman-Duval, Karl D. Gordon, Matthew W. L. Smith","submitted_at":"2021-07-29T20:01:25Z","abstract_excerpt":"Because the galaxies of the Local Group have such large angular sizes, much of their diffuse, large-angular-scale emission is filtered out by the Herschel data reduction process. In this work, we restore this previously missed dust in Herschel observations of the Large Magellanic Cloud, Small Magellanic Cloud, M31, and M33. We do this by combining Herschel data (including new reductions for the Magellanic Clouds), in Fourier space, with lower-resolution data from all-sky surveys (Planck, IRAS, and COBE) that did not miss the extended emission. With these new maps, we find that a significant am"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.14302","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/2107.14302/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":"2107.14302","created_at":"2026-07-05T03:27:04.103043+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.14302v2","created_at":"2026-07-05T03:27:04.103043+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.14302","created_at":"2026-07-05T03:27:04.103043+00:00"},{"alias_kind":"pith_short_12","alias_value":"7MQN5HT57RVM","created_at":"2026-07-05T03:27:04.103043+00:00"},{"alias_kind":"pith_short_16","alias_value":"7MQN5HT57RVMDDHL","created_at":"2026-07-05T03:27:04.103043+00:00"},{"alias_kind":"pith_short_8","alias_value":"7MQN5HT5","created_at":"2026-07-05T03:27:04.103043+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.05325","citing_title":"Scylla: Observational Evidence for an Order of Magnitude in Dust Mass Opacity Evolution with ISM Density in the Large Magellanic Cloud","ref_index":27,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS","json":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS.json","graph_json":"https://pith.science/api/pith-number/7MQN5HT57RVMDDHLJKR3GTS7FS/graph.json","events_json":"https://pith.science/api/pith-number/7MQN5HT57RVMDDHLJKR3GTS7FS/events.json","paper":"https://pith.science/paper/7MQN5HT5"},"agent_actions":{"view_html":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS","download_json":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS.json","view_paper":"https://pith.science/paper/7MQN5HT5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.14302&json=true","fetch_graph":"https://pith.science/api/pith-number/7MQN5HT57RVMDDHLJKR3GTS7FS/graph.json","fetch_events":"https://pith.science/api/pith-number/7MQN5HT57RVMDDHLJKR3GTS7FS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS/action/storage_attestation","attest_author":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS/action/author_attestation","sign_citation":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS/action/citation_signature","submit_replication":"https://pith.science/pith/7MQN5HT57RVMDDHLJKR3GTS7FS/action/replication_record"}},"created_at":"2026-07-05T03:27:04.103043+00:00","updated_at":"2026-07-05T03:27:04.103043+00:00"}