{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JMLGRZKAYKQLWPCRH5ECZWN22D","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":"f2e56d41a8ca97f4f6464171fdd8c0a232852ea58716e43ccdbf649688aa64af","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-16T18:00:00Z","title_canon_sha256":"02a2831feb2805408f7477e93ae66fb1f3ad296b152e44eb8de93ec95bd6acfd"},"schema_version":"1.0","source":{"id":"2606.18332","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18332","created_at":"2026-06-19T16:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18332v1","created_at":"2026-06-19T16:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18332","created_at":"2026-06-19T16:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"JMLGRZKAYKQL","created_at":"2026-06-19T16:10:58Z"},{"alias_kind":"pith_short_16","alias_value":"JMLGRZKAYKQLWPCR","created_at":"2026-06-19T16:10:58Z"},{"alias_kind":"pith_short_8","alias_value":"JMLGRZKA","created_at":"2026-06-19T16:10:58Z"}],"graph_snapshots":[{"event_id":"sha256:92ea41163fdaf3de9e3f35ce86739de5ebeb762a0ab4ef7180e65d410445dae3","target":"graph","created_at":"2026-06-19T16:10:58Z","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/2606.18332/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Via is a forthcoming all-sky spectroscopic survey that will achieve 100 m s$^{-1}$ radial velocity stability for millions of faint ($G \\lesssim 21$) stars while reaching LSST's single-visit depth ($r \\approx 24$) for transient spectroscopy, opening new regimes in near-field cosmology and time-domain astrophysics. Via will deploy identical fiber-fed, multi-object spectrographs on the 6.5m MMT and Magellan/Clay telescopes for a five-year, dual-hemisphere survey of $>2{,}000{,}000$ stars beginning in 2027 - timed to complement LSST. Each instrument has 576 robotically positioned fibers over a $1^","authors_text":"The Via Collaboration","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-16T18:00:00Z","title":"The Via Project: Overview of the Science, Instrument, and Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18332","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":"sha256:30539aa86110aaf2e36f5a6f616d76bf2d697a6b8e2bed423d12fb95c32fa673","target":"record","created_at":"2026-06-19T16:10:58Z","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":"f2e56d41a8ca97f4f6464171fdd8c0a232852ea58716e43ccdbf649688aa64af","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-16T18:00:00Z","title_canon_sha256":"02a2831feb2805408f7477e93ae66fb1f3ad296b152e44eb8de93ec95bd6acfd"},"schema_version":"1.0","source":{"id":"2606.18332","kind":"arxiv","version":1}},"canonical_sha256":"4b1668e540c2a0bb3c513f482cd9bad0c1a7fe6dd505a0f4fd4c5546126f5eb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b1668e540c2a0bb3c513f482cd9bad0c1a7fe6dd505a0f4fd4c5546126f5eb7","first_computed_at":"2026-06-19T16:10:58.074154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:58.074154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0CvwtqvcCk3Aq7MyYmpHhXdPNlDVoHokxPbiOmN7HocxGNJqtjorJHStCpEX2peK9NbSmzBpaXWofkvln8HNDQ==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:58.074509Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18332","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30539aa86110aaf2e36f5a6f616d76bf2d697a6b8e2bed423d12fb95c32fa673","sha256:92ea41163fdaf3de9e3f35ce86739de5ebeb762a0ab4ef7180e65d410445dae3"],"state_sha256":"39731f995042aadaa218b18ce506e7d8ad91e2ad1b0b770861fb07aed30ae19f"}