{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:R357R6KB3MEPUOHJC5INKJ2YNB","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":"68457d9f2392ac7457d4b2533146a4602b5f8748336dc15a7f48fc6bd3d756ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-29T18:50:36Z","title_canon_sha256":"0a27dbde7b79b70ade74c4f47e39079bc4541287d2b327f5a90fb86aea2508e5"},"schema_version":"1.0","source":{"id":"2505.23943","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.23943","created_at":"2026-07-05T11:12:38Z"},{"alias_kind":"arxiv_version","alias_value":"2505.23943v1","created_at":"2026-07-05T11:12:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.23943","created_at":"2026-07-05T11:12:38Z"},{"alias_kind":"pith_short_12","alias_value":"R357R6KB3MEP","created_at":"2026-07-05T11:12:38Z"},{"alias_kind":"pith_short_16","alias_value":"R357R6KB3MEPUOHJ","created_at":"2026-07-05T11:12:38Z"},{"alias_kind":"pith_short_8","alias_value":"R357R6KB","created_at":"2026-07-05T11:12:38Z"}],"graph_snapshots":[{"event_id":"sha256:b61ac645643a9767898004510f7a4dda87cafe8f7f30a8763925621e7aa377eb","target":"graph","created_at":"2026-07-05T11:12:38Z","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/2505.23943/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The size distribution of planets with radii between 1 and $4 R_\\oplus$ peaks near 1.4 and $2.2R_\\oplus$, with a dip around $1.8 R_\\oplus$ -- the so-called \"radius valley.\" Recent statistical analyses suggest that planets within this valley ($1.5 < R < 2R_\\oplus$) tend to have slightly higher orbital eccentricities than those outside it. The origin of this dynamical signature remains unclear. We revisit the \"breaking the chains\" formation model and propose that late dynamical instabilities -- occurring after disk dispersal -- may account for the elevated eccentricities observed in the radius va","authors_text":"Andre Izidoro, Sho Shibata","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-29T18:50:36Z","title":"A tale of dynamical instabilities and giant impacts in the radius valley"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.23943","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:ba0f30121d0cd63052ad29260b32380b3748c30ecc6902ac9b4e8e0f9e33cda9","target":"record","created_at":"2026-07-05T11:12:38Z","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":"68457d9f2392ac7457d4b2533146a4602b5f8748336dc15a7f48fc6bd3d756ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-29T18:50:36Z","title_canon_sha256":"0a27dbde7b79b70ade74c4f47e39079bc4541287d2b327f5a90fb86aea2508e5"},"schema_version":"1.0","source":{"id":"2505.23943","kind":"arxiv","version":1}},"canonical_sha256":"8efbf8f941db08fa38e91750d5275868555ccc8b8569285324f017b15a9e5812","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8efbf8f941db08fa38e91750d5275868555ccc8b8569285324f017b15a9e5812","first_computed_at":"2026-07-05T11:12:38.786768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:12:38.786768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J6hmcxwiJmaJ8no9hbnvWrGhxc+6k6bVlkT9Q7CDtD2frTmOboUwLJUpeS78yNXJlUV0p1RXVj8TdGbfNv1LBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:12:38.787254Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.23943","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba0f30121d0cd63052ad29260b32380b3748c30ecc6902ac9b4e8e0f9e33cda9","sha256:b61ac645643a9767898004510f7a4dda87cafe8f7f30a8763925621e7aa377eb"],"state_sha256":"81f86e07c394075cc2490e89ed31120d86e356503f7fd6f7e4cd06471b1aa6ff"}