{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:ZCH3FBDA3WNDO6ASRYIDCKL5JX","short_pith_number":"pith:ZCH3FBDA","schema_version":"1.0","canonical_sha256":"c88fb28460dd9a3778128e1031297d4dfb6cc36406f9df8c12f38a9ee33491c5","source":{"kind":"arxiv","id":"2101.10659","version":2},"attestation_state":"computed","paper":{"title":"Dwarf galaxies in the MATLAS survey: Hubble Space Telescope observations of the globular cluster system in the ultra-diffuse galaxy MATLAS-2019","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Agnello, Eric Emsellem, Francine R. Marleau, J\\'er\\'emy Fensch, Lorenzo Posti, M\\'elina Poulain, Oliver M\\\"uller, Patrick R. Durrell, Pierre-Alain Duc, Rebecca Habas, Remco F. J. van der Burg, R\\'uben S\\'anchez-Janssen, Sanjaya Paudel, Sungsoon Lim","submitted_at":"2021-01-26T09:34:27Z","abstract_excerpt":"Ultra-diffuse galaxies (UDGs) are very low-surface brightness galaxies with large effective radii. Spectroscopic measurements of a few UDGs have revealed a low dark matter content, based on the internal motion of stars or globular clusters (GCs). This is in contrast to the large number of GCs found for these systems, from which it would be expected to correspond to a large dark matter halo mass. Here we present HST+ACS observations for the UDG MATLAS-2019 in the NGC5846 group. Using the F606W and F814W filters, we trace the GC population two magnitudes below the peak of the GC luminosity funct"},"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":"2101.10659","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-26T09:34:27Z","cross_cats_sorted":[],"title_canon_sha256":"1860d56040a8730873c7f43872bdc614a4fb2e3fde55a4b7897b18a446c0840f","abstract_canon_sha256":"4885c0e5996dbe31807f79803128a0b8e5d0efe6c8bdfe19444b9409f915957f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:40:29.914669Z","signature_b64":"2M3w3jrYy46KhSf6NrC2Lb2tO2S/Rbb3AYmh136Mbbi0gwD87Kiy0nXEPNe4HN5mfmA+JIePbtCHwtVdm6KGBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c88fb28460dd9a3778128e1031297d4dfb6cc36406f9df8c12f38a9ee33491c5","last_reissued_at":"2026-07-05T03:40:29.914159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:40:29.914159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dwarf galaxies in the MATLAS survey: Hubble Space Telescope observations of the globular cluster system in the ultra-diffuse galaxy MATLAS-2019","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Agnello, Eric Emsellem, Francine R. Marleau, J\\'er\\'emy Fensch, Lorenzo Posti, M\\'elina Poulain, Oliver M\\\"uller, Patrick R. Durrell, Pierre-Alain Duc, Rebecca Habas, Remco F. J. van der Burg, R\\'uben S\\'anchez-Janssen, Sanjaya Paudel, Sungsoon Lim","submitted_at":"2021-01-26T09:34:27Z","abstract_excerpt":"Ultra-diffuse galaxies (UDGs) are very low-surface brightness galaxies with large effective radii. Spectroscopic measurements of a few UDGs have revealed a low dark matter content, based on the internal motion of stars or globular clusters (GCs). This is in contrast to the large number of GCs found for these systems, from which it would be expected to correspond to a large dark matter halo mass. Here we present HST+ACS observations for the UDG MATLAS-2019 in the NGC5846 group. Using the F606W and F814W filters, we trace the GC population two magnitudes below the peak of the GC luminosity funct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.10659","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/2101.10659/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":"2101.10659","created_at":"2026-07-05T03:40:29.914226+00:00"},{"alias_kind":"arxiv_version","alias_value":"2101.10659v2","created_at":"2026-07-05T03:40:29.914226+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.10659","created_at":"2026-07-05T03:40:29.914226+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZCH3FBDA3WND","created_at":"2026-07-05T03:40:29.914226+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZCH3FBDA3WNDO6AS","created_at":"2026-07-05T03:40:29.914226+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZCH3FBDA","created_at":"2026-07-05T03:40:29.914226+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/ZCH3FBDA3WNDO6ASRYIDCKL5JX","json":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX.json","graph_json":"https://pith.science/api/pith-number/ZCH3FBDA3WNDO6ASRYIDCKL5JX/graph.json","events_json":"https://pith.science/api/pith-number/ZCH3FBDA3WNDO6ASRYIDCKL5JX/events.json","paper":"https://pith.science/paper/ZCH3FBDA"},"agent_actions":{"view_html":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX","download_json":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX.json","view_paper":"https://pith.science/paper/ZCH3FBDA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2101.10659&json=true","fetch_graph":"https://pith.science/api/pith-number/ZCH3FBDA3WNDO6ASRYIDCKL5JX/graph.json","fetch_events":"https://pith.science/api/pith-number/ZCH3FBDA3WNDO6ASRYIDCKL5JX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX/action/storage_attestation","attest_author":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX/action/author_attestation","sign_citation":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX/action/citation_signature","submit_replication":"https://pith.science/pith/ZCH3FBDA3WNDO6ASRYIDCKL5JX/action/replication_record"}},"created_at":"2026-07-05T03:40:29.914226+00:00","updated_at":"2026-07-05T03:40:29.914226+00:00"}