{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PSYADP4E7NGY2C5J5AP7TTCQZV","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":"b580212d8af5a14876554292544cf9a0a5e7e5dd9cd5719373677211577be8db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-12T18:58:06Z","title_canon_sha256":"cab02554f6771d25d2c6aee715e59652b5cdfba927bc0c2725e8eb541fb0854f"},"schema_version":"1.0","source":{"id":"1804.04689","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04689","created_at":"2026-05-18T00:13:26Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04689v3","created_at":"2026-05-18T00:13:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04689","created_at":"2026-05-18T00:13:26Z"},{"alias_kind":"pith_short_12","alias_value":"PSYADP4E7NGY","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PSYADP4E7NGY2C5J","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PSYADP4E","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:37396aa63116387c732f9db7c62b4aff8025d746e6b5b5c82f718ca6f42a4d6e","target":"graph","created_at":"2026-05-18T00:13:26Z","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"},"paper":{"abstract_excerpt":"We present the first spatially resolved map of stellar proper motions within the central ($\\sim$3.1 $\\times$ 2.4 kpc) regions of the Small Magellanic Cloud (SMC). The data used for this study encompasses four tiles from the ongoing near-infrared VISTA survey of the Magellanic Clouds system and covers a total contiguous area on the sky of $\\sim$6.81 deg$^2$. Proper motions have been calculated independently in two dimensions from the spatial offsets in the $K_s$ filter over time baselines between 22 and 27 months. The reflex motions of $\\sim$33~000 background galaxies are used to calibrate the ","authors_text":"F. Niederhofer, J. Emerson, J. M. Oliveira, J. Th. van Loon, K. Bekki, M. G. Petr-Gotzens, M. Marconi, M.-R. L. Cioni, R. de Grijs, S. Rubele, S. Zaggia, T. Schmidt, V. D. Ivanov, V. Ripepi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-12T18:58:06Z","title":"The VMC survey XXX. Stellar proper motions in the central parts of the Small Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04689","kind":"arxiv","version":3},"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":"sha256:6d1711c93431f468f435008c6cfbfdfe33830769b833b5d2ea2992889dbdcec3","target":"record","created_at":"2026-05-18T00:13:26Z","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":"b580212d8af5a14876554292544cf9a0a5e7e5dd9cd5719373677211577be8db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-12T18:58:06Z","title_canon_sha256":"cab02554f6771d25d2c6aee715e59652b5cdfba927bc0c2725e8eb541fb0854f"},"schema_version":"1.0","source":{"id":"1804.04689","kind":"arxiv","version":3}},"canonical_sha256":"7cb001bf84fb4d8d0ba9e81ff9cc50cd584ff082f9ad9311bfab6c059babbf6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7cb001bf84fb4d8d0ba9e81ff9cc50cd584ff082f9ad9311bfab6c059babbf6e","first_computed_at":"2026-05-18T00:13:26.360449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:26.360449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7dd7EZss9eD7XUJFooDYL8J6uAfxw1hKVqFWry29+vKB/Hq+9ee298BEJhHvIBrDZYWke+gf6J9Qg/+FI9tQDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:26.361189Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04689","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d1711c93431f468f435008c6cfbfdfe33830769b833b5d2ea2992889dbdcec3","sha256:37396aa63116387c732f9db7c62b4aff8025d746e6b5b5c82f718ca6f42a4d6e"],"state_sha256":"1660017daf502895c2b388c363008d1409bb9e922776033480074cfc0665ce96"}