{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Y4CO65XLW6W5ACJ223JH4BPD5R","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":"5127b68074fdde7c4e0f05081892d66a8087efd2dcd606935574d068de1372a5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T13:16:21Z","title_canon_sha256":"c8ac8f69ba588dbb0afe92c046d1f4148bb77c6e6ce6059bf243ce0c617aa7fd"},"schema_version":"1.0","source":{"id":"2606.26999","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26999","created_at":"2026-06-26T01:16:06Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26999v1","created_at":"2026-06-26T01:16:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26999","created_at":"2026-06-26T01:16:06Z"},{"alias_kind":"pith_short_12","alias_value":"Y4CO65XLW6W5","created_at":"2026-06-26T01:16:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y4CO65XLW6W5ACJ2","created_at":"2026-06-26T01:16:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y4CO65XL","created_at":"2026-06-26T01:16:06Z"}],"graph_snapshots":[{"event_id":"sha256:c3f72e5fd62f2b98f490ce1b6fdee04462fdd9243c9baefa40bdc48197b6ffc3","target":"graph","created_at":"2026-06-26T01:16:06Z","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/2606.26999/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This chapter introduces the contributions of the HI galaxy science in this volume reviewing the latest developments and urgent questions in HI galaxy science, providing guiding principles for a layered set of future key science projects. The key science will include: a complete censuses of HI morphologies and kinematics at sub-kpc and 1 km/s resolution within and around galaxies in the nearby Universe; a measurement of the cosmic HI mass density and HI mass function evolution at least up to z~1; an improved understanding of the Universe at z>1, particularly the balance between cold molecular a","authors_text":"Barbara Catinella, D.J. Pisano, Elizabeth A. K. Adams, Jing Wang, Lister Staveley-Smith, Lourdes Verdes-Montenegro, Martin Meyer, Neeraj Gupta, Paolo Serra, Sarah Blyth, Tom Oosterloo, W.J.G. de Blok","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T13:16:21Z","title":"HI Galaxy Science with the SKA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26999","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":"sha256:28db06fe83b0e603649dbb8bece1d05629011da685d5cc175eae7af5ef4cdbfe","target":"record","created_at":"2026-06-26T01:16:06Z","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":"5127b68074fdde7c4e0f05081892d66a8087efd2dcd606935574d068de1372a5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T13:16:21Z","title_canon_sha256":"c8ac8f69ba588dbb0afe92c046d1f4148bb77c6e6ce6059bf243ce0c617aa7fd"},"schema_version":"1.0","source":{"id":"2606.26999","kind":"arxiv","version":1}},"canonical_sha256":"c704ef76ebb7add0093ad6d27e05e3ec668fd00834bbce150b492af76c321b29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c704ef76ebb7add0093ad6d27e05e3ec668fd00834bbce150b492af76c321b29","first_computed_at":"2026-06-26T01:16:06.354806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:16:06.354806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cs5kjPKUB+irE0TXDx5STnUo8DkXG8ihMsWVGoKe2hMygDrgM/7T/Pm3fppQAoi50S/FOnWcEYUh2FycpecpDw==","signature_status":"signed_v1","signed_at":"2026-06-26T01:16:06.355193Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26999","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28db06fe83b0e603649dbb8bece1d05629011da685d5cc175eae7af5ef4cdbfe","sha256:c3f72e5fd62f2b98f490ce1b6fdee04462fdd9243c9baefa40bdc48197b6ffc3"],"state_sha256":"34fca3dc1a5a47d9c2a9a90004c1efcb2b368cdd00d9d6bedd29df2118110005"}