{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MZKBORTO7FDJC67DFDQLATS7A5","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":"65720e78e00f0f6136a7508f55a5c789a27d229ea80d81096ec9c8ec1d7641d8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-19T07:11:10Z","title_canon_sha256":"c2624cc0b48a816d39df9f9f1eca706f310e1766f7a2965a612805171b021d06"},"schema_version":"1.0","source":{"id":"2605.19459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19459","created_at":"2026-05-20T01:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19459v1","created_at":"2026-05-20T01:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19459","created_at":"2026-05-20T01:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"MZKBORTO7FDJ","created_at":"2026-05-20T01:05:46Z"},{"alias_kind":"pith_short_16","alias_value":"MZKBORTO7FDJC67D","created_at":"2026-05-20T01:05:46Z"},{"alias_kind":"pith_short_8","alias_value":"MZKBORTO","created_at":"2026-05-20T01:05:46Z"}],"graph_snapshots":[{"event_id":"sha256:29d4ca2aac55a90455f47f951f8004ef723d110524d600ef0e1a3c6faf1888aa","target":"graph","created_at":"2026-05-20T01:05:46Z","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/2605.19459/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spectro Capture is a Python-based software system developed to automate small- observatory fibre-fed spectroscopy. The system integrates target selection, telescope slewing, guide star acquisition, fibre position restoration, calibration and science exposure sequencing within a single observing workflow. The paper describes the design and operational behaviour of the system at Shenton Park Observatory, where it has been used for unattended multi-target spectroscopic observing. Log analysis from January to May 2026 shows that the system completed 339 of 345 attempted science target blocks in pr","authors_text":"Paul Luckas","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-19T07:11:10Z","title":"Spectro Capture: A Software System for Automated Small-Observatory Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19459","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:b4ff041a5e6e0c34edb6cfdaee1fb3e5466e48085fb430169094452766e1be81","target":"record","created_at":"2026-05-20T01:05:46Z","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":"65720e78e00f0f6136a7508f55a5c789a27d229ea80d81096ec9c8ec1d7641d8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-19T07:11:10Z","title_canon_sha256":"c2624cc0b48a816d39df9f9f1eca706f310e1766f7a2965a612805171b021d06"},"schema_version":"1.0","source":{"id":"2605.19459","kind":"arxiv","version":1}},"canonical_sha256":"665417466ef946917be328e0b04e5f0756d6813cd89529a6dee67db27c16512c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"665417466ef946917be328e0b04e5f0756d6813cd89529a6dee67db27c16512c","first_computed_at":"2026-05-20T01:05:46.883080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:05:46.883080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dTSOk2kdNAvaVfel47LfxA/jOyu5QboMbgQVKlZRxNZUAIuZZMc78Z4DpVjTus4C1QzLnq/joei0ccF7dFvzAg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:05:46.883897Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4ff041a5e6e0c34edb6cfdaee1fb3e5466e48085fb430169094452766e1be81","sha256:29d4ca2aac55a90455f47f951f8004ef723d110524d600ef0e1a3c6faf1888aa"],"state_sha256":"541879b6255873be758621beab77878dda6fbcbbca31d6ab3c279c02f4b045b4"}