{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:UM2EKXCLBRWGHARZMQI7MZATYX","short_pith_number":"pith:UM2EKXCL","canonical_record":{"source":{"id":"2312.09276","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-14T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"ffa508a2cbdf42a38bfc447489d788686c0d4fd8f2c10f764063fb86fc0c24e2","abstract_canon_sha256":"d09101862df2daa3bf952e4127f0e4da02147157d57333a2cb95e82ed37eb808"},"schema_version":"1.0"},"canonical_sha256":"a334455c4b0c6c6382396411f66413c5c0bd7357eb13c2e82812f641c3f4904f","source":{"kind":"arxiv","id":"2312.09276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.09276","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"2312.09276v1","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.09276","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"UM2EKXCLBRWG","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_16","alias_value":"UM2EKXCLBRWGHARZ","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_8","alias_value":"UM2EKXCL","created_at":"2026-07-05T07:24:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:UM2EKXCLBRWGHARZMQI7MZATYX","target":"record","payload":{"canonical_record":{"source":{"id":"2312.09276","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-14T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"ffa508a2cbdf42a38bfc447489d788686c0d4fd8f2c10f764063fb86fc0c24e2","abstract_canon_sha256":"d09101862df2daa3bf952e4127f0e4da02147157d57333a2cb95e82ed37eb808"},"schema_version":"1.0"},"canonical_sha256":"a334455c4b0c6c6382396411f66413c5c0bd7357eb13c2e82812f641c3f4904f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:24:22.685563Z","signature_b64":"pZlgZHtarzs6tCZNmJUcZwQQ/9HxP0iFdsm6EWI/iKv83jAuol67jrRvktUoRDCFnufj6tCtCsY4ezBdgXUdCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a334455c4b0c6c6382396411f66413c5c0bd7357eb13c2e82812f641c3f4904f","last_reissued_at":"2026-07-05T07:24:22.685010Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:24:22.685010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.09276","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GCHJNh9r5r2kTtJTMSEZ/P3At23okQkpE122V+ASxeLELvvGC8nZmGgKlzooc/wmWnwcVQIdrSKSrCH+Y1X/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:56:26.882935Z"},"content_sha256":"dd5e3b1f188abe995e1472d26063ed87449ff5fb40033bde4c1c51956ca4c5a4","schema_version":"1.0","event_id":"sha256:dd5e3b1f188abe995e1472d26063ed87449ff5fb40033bde4c1c51956ca4c5a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:UM2EKXCLBRWGHARZMQI7MZATYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proper Motions and Orbits of Distant Local Group Dwarf Galaxies from a combination of Gaia and Hubble Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andres del Pino, Antonio Aparicio, Carme Gallart, Daniel R. Weisz, Ekta Patel, Elena Sacchi, Erik Tollerud, Gurtina Besla, Laura L. Watkins, Mark A. Fardal, Matteo Monelli, Mattia Libralato, Paul Bennet, Roeland P. van der Marel, Sangmo Tony Sohn","submitted_at":"2023-12-14T19:00:01Z","abstract_excerpt":"We have determined the proper motions (PMs) of 12 dwarf galaxies in the Local Group (LG), ranging from the outer Milky Way (MW) halo to the edge of the LG. We used HST as the first and Gaia as the second epoch using the GaiaHub software. For Leo A and Sag DIG we also used multi-epoch HST measurements relative to background galaxies. Orbital histories derived using these PMs show that two-thirds of the galaxies in our sample are on first infall with $>$90\\% certainty. The observed star formation histories (SFHs) of these first-infall dwarfs are generally consistent with infalling dwarfs in simu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.09276","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.09276/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3thBefuXjxlmdDQkIOMMuhhkjadOZITfvRRcinU52Bpc3CTb3veyWOxPz0drvlHPNiXI+uwLnrWvdIkK6qeHCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:56:26.883449Z"},"content_sha256":"7219161f14b28c6682c9bde8d71105369db635984650afbc5ddab631a942c138","schema_version":"1.0","event_id":"sha256:7219161f14b28c6682c9bde8d71105369db635984650afbc5ddab631a942c138"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UM2EKXCLBRWGHARZMQI7MZATYX/bundle.json","state_url":"https://pith.science/pith/UM2EKXCLBRWGHARZMQI7MZATYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UM2EKXCLBRWGHARZMQI7MZATYX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-09T06:56:26Z","links":{"resolver":"https://pith.science/pith/UM2EKXCLBRWGHARZMQI7MZATYX","bundle":"https://pith.science/pith/UM2EKXCLBRWGHARZMQI7MZATYX/bundle.json","state":"https://pith.science/pith/UM2EKXCLBRWGHARZMQI7MZATYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UM2EKXCLBRWGHARZMQI7MZATYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:UM2EKXCLBRWGHARZMQI7MZATYX","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":"d09101862df2daa3bf952e4127f0e4da02147157d57333a2cb95e82ed37eb808","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-14T19:00:01Z","title_canon_sha256":"ffa508a2cbdf42a38bfc447489d788686c0d4fd8f2c10f764063fb86fc0c24e2"},"schema_version":"1.0","source":{"id":"2312.09276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.09276","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"2312.09276v1","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.09276","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"UM2EKXCLBRWG","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_16","alias_value":"UM2EKXCLBRWGHARZ","created_at":"2026-07-05T07:24:22Z"},{"alias_kind":"pith_short_8","alias_value":"UM2EKXCL","created_at":"2026-07-05T07:24:22Z"}],"graph_snapshots":[{"event_id":"sha256:7219161f14b28c6682c9bde8d71105369db635984650afbc5ddab631a942c138","target":"graph","created_at":"2026-07-05T07:24:22Z","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/2312.09276/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have determined the proper motions (PMs) of 12 dwarf galaxies in the Local Group (LG), ranging from the outer Milky Way (MW) halo to the edge of the LG. We used HST as the first and Gaia as the second epoch using the GaiaHub software. For Leo A and Sag DIG we also used multi-epoch HST measurements relative to background galaxies. Orbital histories derived using these PMs show that two-thirds of the galaxies in our sample are on first infall with $>$90\\% certainty. The observed star formation histories (SFHs) of these first-infall dwarfs are generally consistent with infalling dwarfs in simu","authors_text":"Andres del Pino, Antonio Aparicio, Carme Gallart, Daniel R. Weisz, Ekta Patel, Elena Sacchi, Erik Tollerud, Gurtina Besla, Laura L. Watkins, Mark A. Fardal, Matteo Monelli, Mattia Libralato, Paul Bennet, Roeland P. van der Marel, Sangmo Tony Sohn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-14T19:00:01Z","title":"Proper Motions and Orbits of Distant Local Group Dwarf Galaxies from a combination of Gaia and Hubble Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.09276","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:dd5e3b1f188abe995e1472d26063ed87449ff5fb40033bde4c1c51956ca4c5a4","target":"record","created_at":"2026-07-05T07:24:22Z","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":"d09101862df2daa3bf952e4127f0e4da02147157d57333a2cb95e82ed37eb808","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-14T19:00:01Z","title_canon_sha256":"ffa508a2cbdf42a38bfc447489d788686c0d4fd8f2c10f764063fb86fc0c24e2"},"schema_version":"1.0","source":{"id":"2312.09276","kind":"arxiv","version":1}},"canonical_sha256":"a334455c4b0c6c6382396411f66413c5c0bd7357eb13c2e82812f641c3f4904f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a334455c4b0c6c6382396411f66413c5c0bd7357eb13c2e82812f641c3f4904f","first_computed_at":"2026-07-05T07:24:22.685010Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:24:22.685010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pZlgZHtarzs6tCZNmJUcZwQQ/9HxP0iFdsm6EWI/iKv83jAuol67jrRvktUoRDCFnufj6tCtCsY4ezBdgXUdCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:24:22.685563Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.09276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd5e3b1f188abe995e1472d26063ed87449ff5fb40033bde4c1c51956ca4c5a4","sha256:7219161f14b28c6682c9bde8d71105369db635984650afbc5ddab631a942c138"],"state_sha256":"01948e797a16dc0f019bb70029535fcc70407ef5cea35aecd459bff760f683b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BnXf5q1Z0A2QxaDfW8H5ooJCWeRBfk19cQV3Xo3XqGB+S4KQHvzuvP45OIACt1dgomSDvhh2pcSeJoAXl29/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T06:56:26.889210Z","bundle_sha256":"c2caf8dc7d548890f3b423936f7cc9e564134dc7869e736cb7d6ad0fbe68988b"}}