{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:NACH4HDRH2CPSJ4UAP3V4MP7DT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"369fc646edc15d6079e084415574af41a908ca96e1a22c4d5e84b70c0054d491","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-11-16T11:39:04Z","title_canon_sha256":"c49014d508ed59220bae5644e8c84d73d0e07f0d7eb53e498e0718edacfceea2"},"schema_version":"1.0","source":{"id":"2211.08839","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.08839","created_at":"2026-07-05T06:15:18Z"},{"alias_kind":"arxiv_version","alias_value":"2211.08839v1","created_at":"2026-07-05T06:15:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.08839","created_at":"2026-07-05T06:15:18Z"},{"alias_kind":"pith_short_12","alias_value":"NACH4HDRH2CP","created_at":"2026-07-05T06:15:18Z"},{"alias_kind":"pith_short_16","alias_value":"NACH4HDRH2CPSJ4U","created_at":"2026-07-05T06:15:18Z"},{"alias_kind":"pith_short_8","alias_value":"NACH4HDR","created_at":"2026-07-05T06:15:18Z"}],"graph_snapshots":[{"event_id":"sha256:bdc2a43ee96411193a462a234b6552a02e76fdbed0d1e3a042269ba90c16dea6","target":"graph","created_at":"2026-07-05T06:15:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2211.08839/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ultra-Diffuse galaxies are gravitational systems with quite varied properties. On one hand we have cases like DF2 and DF4, both observed by the Dragonfly Array Telescope, claimed to be highly-deficient in dark matter. On the other hand, we have also observed dark matter dominated UDGs, such as DF44, estimated to be at $99\\%$ dark. Such variety of behaviors might be a problem for both the standard dark matter paradigm and for alternative theories of gravity. Here we consider a modified gravity theory belonging to the family of Degenerate Higher-Order Scalar Tensor theories to study the internal","authors_text":"Enrico Laudato, Vincenzo Salzano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-11-16T11:39:04Z","title":"DHOST gravity in Ultra-diffuse galaxies -- Part II: NGC 1052-DF4 and Dragonfly 44"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.08839","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:fe23cbda5752f18f6591593f6715e303265a4ee18a93e83765000baae201aba0","target":"record","created_at":"2026-07-05T06:15:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"369fc646edc15d6079e084415574af41a908ca96e1a22c4d5e84b70c0054d491","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-11-16T11:39:04Z","title_canon_sha256":"c49014d508ed59220bae5644e8c84d73d0e07f0d7eb53e498e0718edacfceea2"},"schema_version":"1.0","source":{"id":"2211.08839","kind":"arxiv","version":1}},"canonical_sha256":"68047e1c713e84f9279403f75e31ff1cdbf2ecd9301bd2db3a9931c7ae9db308","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68047e1c713e84f9279403f75e31ff1cdbf2ecd9301bd2db3a9931c7ae9db308","first_computed_at":"2026-07-05T06:15:18.232080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:15:18.232080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AsTe7QPn8rEeQt9/GfdeuIAsFz4+mtkgcCVqBphHJXftjMeTjduqaoul9J5yY4M8LYLDP7S5SercD94BGr3vDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:15:18.232512Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.08839","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe23cbda5752f18f6591593f6715e303265a4ee18a93e83765000baae201aba0","sha256:bdc2a43ee96411193a462a234b6552a02e76fdbed0d1e3a042269ba90c16dea6"],"state_sha256":"90998d03c60df2845d785dc3c60647d8deb4ea9d447f8e47a70570ffc29832a3"}