{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PSEPYOBZRXF7L7W5N3WYNI5CNK","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":"9a17eb66ef4da551513489d3f2d50649334de7e8920831f68713bc11c8abf8e2","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-08T14:54:27Z","title_canon_sha256":"b78aae192f00c26a8a04fba304bb1f8b9089326d7c5d85ce68ba569581b9e4a0"},"schema_version":"1.0","source":{"id":"2501.04549","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04549","created_at":"2026-07-05T10:25:15Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04549v2","created_at":"2026-07-05T10:25:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04549","created_at":"2026-07-05T10:25:15Z"},{"alias_kind":"pith_short_12","alias_value":"PSEPYOBZRXF7","created_at":"2026-07-05T10:25:15Z"},{"alias_kind":"pith_short_16","alias_value":"PSEPYOBZRXF7L7W5","created_at":"2026-07-05T10:25:15Z"},{"alias_kind":"pith_short_8","alias_value":"PSEPYOBZ","created_at":"2026-07-05T10:25:15Z"}],"graph_snapshots":[{"event_id":"sha256:261cf23941d5eddd74a5f428dac3e6112aec25616d8043788755e525e88c3cd2","target":"graph","created_at":"2026-07-05T10:25:15Z","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/2501.04549/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measure the projected angle on the plane of the sky between adjacent symmetry axes of tens of multipolar planetary nebulae and find that the distribution of these misalignment angles implies a random three-dimensional angle distribution limited to <60 degrees. We identify a symmetry axis as a line connecting two opposite lobes (bubbles) or clumps. We build a cumulative distribution function of the projected angles alpha and find that an entirely random distribution of the three-dimensional angles delta between adjacent symmetry axes, namely, uncorrelated directions, does not fit the observe","authors_text":"Ido Avitan, Israel), Noam Soker (Technion","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-08T14:54:27Z","title":"The distribution of misalignment angles in multipolar planetary nebulae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04549","kind":"arxiv","version":2},"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:a965e8d0ececb2b8096aab5ef50ee82eb077f20a8031eb70a04eb63fd30b9718","target":"record","created_at":"2026-07-05T10:25:15Z","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":"9a17eb66ef4da551513489d3f2d50649334de7e8920831f68713bc11c8abf8e2","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-08T14:54:27Z","title_canon_sha256":"b78aae192f00c26a8a04fba304bb1f8b9089326d7c5d85ce68ba569581b9e4a0"},"schema_version":"1.0","source":{"id":"2501.04549","kind":"arxiv","version":2}},"canonical_sha256":"7c88fc38398dcbf5fedd6eed86a3a26aa59585c92ebc85635bd67a0d396acfbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c88fc38398dcbf5fedd6eed86a3a26aa59585c92ebc85635bd67a0d396acfbf","first_computed_at":"2026-07-05T10:25:15.860720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:25:15.860720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BsNEbk4jasOeLGnH0ktV9+UE6XpB99m84Wn2z6iACBdcaeOgUiiKK5D5y4PNdnkqCz1sQ1nM+Ip6Z44OkJHUDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:25:15.861203Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.04549","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a965e8d0ececb2b8096aab5ef50ee82eb077f20a8031eb70a04eb63fd30b9718","sha256:261cf23941d5eddd74a5f428dac3e6112aec25616d8043788755e525e88c3cd2"],"state_sha256":"068ca914c01ba26443785f73f5eeb395c4f5d4c0edcf7d88c361083cd1aa2075"}