{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HGI2YTWF6444SRQSQNIMJ75MUQ","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":"12440da818bacdf8712d5cba66883b1d88f01737001eaa4a629ccf57f5693098","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-14T18:00:00Z","title_canon_sha256":"588d46001b90418f46bbcc9fe490facaa7e8fd9ebce77fecf2aa068c347bdab3"},"schema_version":"1.0","source":{"id":"1806.05677","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.05677","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"arxiv_version","alias_value":"1806.05677v2","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05677","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"pith_short_12","alias_value":"HGI2YTWF6444","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HGI2YTWF6444SRQS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HGI2YTWF","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:111e590152407f10573d4b165452a88046a1a04499ee6f2fea5af1f2396a9649","target":"graph","created_at":"2026-05-17T23:56:20Z","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"},"paper":{"abstract_excerpt":"We study the effects of Kelvin-Helmholtz instability (KHI) on the cold streams that feed high-redshift galaxies through their hot haloes, generalizing our earlier analyses of a 2D slab to a 3D cylinder, but still limiting our analysis to the adiabatic case with no gravity. We combine analytic modeling and numerical simulations in the linear and non-linear regimes. For subsonic or transonic streams with respect to the halo sound speed, the instability in 3D is qualitatively similar to 2D, but progresses at a faster pace. For supersonic streams, the instability grows much faster in 3D and can be","authors_text":"Avishai Dekel, Daisuke Nagai, Dan Padnos, Han Aung, Nir Mandelker, Yuval Birnboim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-14T18:00:00Z","title":"Instability of Supersonic Cold Streams Feeding Galaxies III: Kelvin-Helmholtz Instability in Three Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05677","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":"sha256:2d5a967cf3fa2cf27d24d271f879533b64afa2a7844533259d912dca2d7b6c80","target":"record","created_at":"2026-05-17T23:56:20Z","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":"12440da818bacdf8712d5cba66883b1d88f01737001eaa4a629ccf57f5693098","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-14T18:00:00Z","title_canon_sha256":"588d46001b90418f46bbcc9fe490facaa7e8fd9ebce77fecf2aa068c347bdab3"},"schema_version":"1.0","source":{"id":"1806.05677","kind":"arxiv","version":2}},"canonical_sha256":"3991ac4ec5f739c946128350c4ffaca4136f641f4909854e6fc15499e4904f06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3991ac4ec5f739c946128350c4ffaca4136f641f4909854e6fc15499e4904f06","first_computed_at":"2026-05-17T23:56:20.618737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:20.618737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pWfnQQS3nFssHNabpwtBtsbqQZNuONV9he0IZokttqZjuJD95ZzORmFTjKvIbOxVadCAdQRQcoYTXzqxdGarCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:20.619285Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.05677","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d5a967cf3fa2cf27d24d271f879533b64afa2a7844533259d912dca2d7b6c80","sha256:111e590152407f10573d4b165452a88046a1a04499ee6f2fea5af1f2396a9649"],"state_sha256":"f4239db6a35b114d8f4df8ea4de15aef69bb3996bbef2a01fc4bd4ae41876ebf"}