{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RNK6UT2EEBAVMZG6W3YMYX4NUP","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":"a38a9cedef2a5484a0f4fa80e611beae0c77168a202e28cf651a8c5fafb3768d","cross_cats_sorted":["astro-ph.HE","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-07-14T17:57:21Z","title_canon_sha256":"c17eead58e3f3386d835da3430fbb939da5ebcb6346a592e0be02d3025bc71ed"},"schema_version":"1.0","source":{"id":"2607.13018","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13018","created_at":"2026-07-15T01:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13018v1","created_at":"2026-07-15T01:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13018","created_at":"2026-07-15T01:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"RNK6UT2EEBAV","created_at":"2026-07-15T01:22:31Z"},{"alias_kind":"pith_short_16","alias_value":"RNK6UT2EEBAVMZG6","created_at":"2026-07-15T01:22:31Z"},{"alias_kind":"pith_short_8","alias_value":"RNK6UT2E","created_at":"2026-07-15T01:22:31Z"}],"graph_snapshots":[{"event_id":"sha256:464f79b766204544d3d8a0f5d7a2be29e5beb2f14375a9734fa7707d9b2cba21","target":"graph","created_at":"2026-07-15T01:22:31Z","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/2607.13018/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The collision of black holes at relativistic speeds probes gravity in its most extreme dynamical regime. While the maximum gravitational recoil from \\emph{grazing} high-energy collisions ($\\approx28\\,562$~km/s, i.e., $\\sim0.1c$) and the maximum radiated energy $E_{\\rm rad}$ and remnant spin $\\alpha_f^{\\max}$ from such encounters ($E_{\\rm rad}/M_{\\rm ADM}\\approx32\\%$ where $M_{\\rm ADM}$ is the ADM mass, and $\\alpha_f^{\\max}\\approx0.987$) have been established previously~\\cite{Healy:2022jbh,Healy:2024lhl}, here we focus on the \\emph{head-on} high-energy collision of equal-mass spinning black hol","authors_text":"Alessandro Ciarfella (RIT), Carlos O. Lousto, Hiroyuki Nakano (Ryukoku University), James Healy","cross_cats":["astro-ph.HE","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-07-14T17:57:21Z","title":"Antikick Relation in High-Energy Head-On Collisions of Spinning Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13018","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:f32010c8c8a9a04840da3d6b575c83eab8d603cb4e93e938aa105976de7f5130","target":"record","created_at":"2026-07-15T01:22:31Z","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":"a38a9cedef2a5484a0f4fa80e611beae0c77168a202e28cf651a8c5fafb3768d","cross_cats_sorted":["astro-ph.HE","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-07-14T17:57:21Z","title_canon_sha256":"c17eead58e3f3386d835da3430fbb939da5ebcb6346a592e0be02d3025bc71ed"},"schema_version":"1.0","source":{"id":"2607.13018","kind":"arxiv","version":1}},"canonical_sha256":"8b55ea4f4420415664deb6f0cc5f8da3f59b21b9e4d86dc143e1cf1ed2c74e66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b55ea4f4420415664deb6f0cc5f8da3f59b21b9e4d86dc143e1cf1ed2c74e66","first_computed_at":"2026-07-15T01:22:31.613925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T01:22:31.613925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zMGv50yTSYDE4ZOi/vlMYbG6VYduc0zaCTo8nDTf7i2hDcaAt3s0EOWZ8+n/t5vhhMVutaU1Rou2HdxIRDGODw==","signature_status":"signed_v1","signed_at":"2026-07-15T01:22:31.614734Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.13018","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f32010c8c8a9a04840da3d6b575c83eab8d603cb4e93e938aa105976de7f5130","sha256:464f79b766204544d3d8a0f5d7a2be29e5beb2f14375a9734fa7707d9b2cba21"],"state_sha256":"e19fc830a9acb08ead18003c8c97d514a8e08ba4f6a913f3b555851119ebd332"}