{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6JPWZOJNJ36IIDZRCOZJQJBJ6L","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":"c99d76d82443d7831e5181e9dd6eee894560478c5636aafb034723f7a88c31d9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-26T18:00:01Z","title_canon_sha256":"e05978fe7fb769ecce48c0423abb55e3420d6ce66cb4d4252bb3f61486705964"},"schema_version":"1.0","source":{"id":"2605.27502","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27502","created_at":"2026-05-28T00:05:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27502v1","created_at":"2026-05-28T00:05:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27502","created_at":"2026-05-28T00:05:21Z"},{"alias_kind":"pith_short_12","alias_value":"6JPWZOJNJ36I","created_at":"2026-05-28T00:05:21Z"},{"alias_kind":"pith_short_16","alias_value":"6JPWZOJNJ36IIDZR","created_at":"2026-05-28T00:05:21Z"},{"alias_kind":"pith_short_8","alias_value":"6JPWZOJN","created_at":"2026-05-28T00:05:21Z"}],"graph_snapshots":[{"event_id":"sha256:b762999f1b1a95a0188508587e86f507e3d157dd4b01926cf8b8ad99bafcf612","target":"graph","created_at":"2026-05-28T00:05:21Z","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/2605.27502/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Supermassive black hole (SMBH) spin is a key but poorly constrained ingredient of the feeding-feedback loop. Chaotic cold accretion (CCA) of cold gas clouds delivers rapidly varying three-dimensional torques that drive spin evolution and jet-axis reorientation, and in turn spin regulates jet power. We introduce a time-dependent SMBH spin model linking resolved multiphase feeding at meso scales to unresolved relativistic angular-momentum transfer at the innermost stable circular orbit (ISCO). We perform GPU-accelerated hydrodynamical simulations of a group atmosphere with jet feedback and SMBH ","authors_text":"Ashkbiz Danehkar, Davide M. Brustio, Filippo Barbani, Filippo M. Maccagni, Francesco Salvestrini, Francesco Tombesi, Giovanni Stel, Martin Fournier, Massimo Gaspari, Olmo Piana, Pasquale Temi, Valeria Olivares, Vieri Cammelli","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-26T18:00:01Z","title":"BlackHoleWeather -- Spin-coupled chaotic cold accretion across the meso-scale: Morphology and thermodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27502","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":"sha256:93a03e8638d194caf2eb88e1d540adc4ec1782ca7a32eab4527fe8f063f67a61","target":"record","created_at":"2026-05-28T00:05:21Z","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":"c99d76d82443d7831e5181e9dd6eee894560478c5636aafb034723f7a88c31d9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-26T18:00:01Z","title_canon_sha256":"e05978fe7fb769ecce48c0423abb55e3420d6ce66cb4d4252bb3f61486705964"},"schema_version":"1.0","source":{"id":"2605.27502","kind":"arxiv","version":1}},"canonical_sha256":"f25f6cb92d4efc840f3113b2982429f2e5096eb673a11361c99d3a274ec61d2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f25f6cb92d4efc840f3113b2982429f2e5096eb673a11361c99d3a274ec61d2d","first_computed_at":"2026-05-28T00:05:21.563708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T00:05:21.563708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w1KDeQaxxjBvk3JyHVokQlI9a8XY5iS0kN/pPBJz529zNH8opFsOgJYFjMFg0DXQomyR96FA9Ktn8fSw9o/7DQ==","signature_status":"signed_v1","signed_at":"2026-05-28T00:05:21.564292Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.27502","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93a03e8638d194caf2eb88e1d540adc4ec1782ca7a32eab4527fe8f063f67a61","sha256:b762999f1b1a95a0188508587e86f507e3d157dd4b01926cf8b8ad99bafcf612"],"state_sha256":"56a3cee34caf2493bdb609afad488d78e0a086781480a625c185c24d22311eec"}