{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DGVUKB3ZT7O7V4LRVK6E7YYQ6B","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":"23d1cf94a7155b03a6bcc347ffa7b7890ad8da7ab61f6d5c99680c759399d8b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-08-10T18:07:51Z","title_canon_sha256":"7ca594b4004c97f9a720a25ea9a46096834e7c214b91fd4a7c5b19a13db7c43f"},"schema_version":"1.0","source":{"id":"2608.10097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.10097","created_at":"2026-08-12T00:22:48Z"},{"alias_kind":"arxiv_version","alias_value":"2608.10097v1","created_at":"2026-08-12T00:22:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.10097","created_at":"2026-08-12T00:22:48Z"},{"alias_kind":"pith_short_12","alias_value":"DGVUKB3ZT7O7","created_at":"2026-08-12T00:22:48Z"},{"alias_kind":"pith_short_16","alias_value":"DGVUKB3ZT7O7V4LR","created_at":"2026-08-12T00:22:48Z"},{"alias_kind":"pith_short_8","alias_value":"DGVUKB3Z","created_at":"2026-08-12T00:22:48Z"}],"graph_snapshots":[{"event_id":"sha256:a7a6c5acf8eeaac4bc4d74e760c6ddee53d276b3013b038107d2e6706cc917a9","target":"graph","created_at":"2026-08-12T00:22:48Z","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/2608.10097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Transient spiral arms are known to drive radial redistribution of stars and thus could play a central role in shaping disk galaxies, including modifying, over time, the age, chemical, and kinematic (chrono-chemo-dynamic) distributions in the Milky Way. However, the physical factors governing the efficiency of such processes remain poorly understood. This paper investigates how the morphology of spiral arms -- the number, pitch angle, lifetime, and radial dependence of the pattern speed -- influences orbital redistribution through 'cold torquing' at the corotation resonance(s). Analytic express","authors_text":"Amy Smock, Karen L. Masters, Kathryne J. Daniel, Lipika Chatur, M. E. Wisz, Rosemary F. G. Wyse","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-08-10T18:07:51Z","title":"Spiral Morphology and Radial Migration: Kinematically heating, cooling, and cold"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.10097","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":"sha256:79a6bd75bba745f9f43042aae1621acc406690fb9512e340aa870968eadbc55f","target":"record","created_at":"2026-08-12T00:22:48Z","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":"23d1cf94a7155b03a6bcc347ffa7b7890ad8da7ab61f6d5c99680c759399d8b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-08-10T18:07:51Z","title_canon_sha256":"7ca594b4004c97f9a720a25ea9a46096834e7c214b91fd4a7c5b19a13db7c43f"},"schema_version":"1.0","source":{"id":"2608.10097","kind":"arxiv","version":1}},"canonical_sha256":"19ab4507799fddfaf171aabc4fe310f05ea1652ce032eb0c05af1e81eb45367a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19ab4507799fddfaf171aabc4fe310f05ea1652ce032eb0c05af1e81eb45367a","first_computed_at":"2026-08-12T00:22:48.610161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-12T00:22:48.610161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pgwmgk751XURQxWbkTLGRaJ+w9qr6w7NH38LE8EPGSL+c+nynb4aMyys5jBjfleFdnciFImAeLXB75E0ER+KCQ==","signature_status":"signed_v1","signed_at":"2026-08-12T00:22:48.612261Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.10097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79a6bd75bba745f9f43042aae1621acc406690fb9512e340aa870968eadbc55f","sha256:a7a6c5acf8eeaac4bc4d74e760c6ddee53d276b3013b038107d2e6706cc917a9"],"state_sha256":"8048d983ab582499684b882190ea1b05e42eb326b2f906b67dc2bdad59d7be11"}