{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:KSNPRPPFRBN2W25IARMGX6K272","short_pith_number":"pith:KSNPRPPF","canonical_record":{"source":{"id":"2101.11015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-01-26T19:00:02Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"60b266f5a535251db1566a0afc48e341848ed732f342a35837b855980bfb7463","abstract_canon_sha256":"1bb4923e5e61d22ff67d888c805ab9504ec69b9b2dbfab33c1e7a3e34114cbcc"},"schema_version":"1.0"},"canonical_sha256":"549af8bde5885bab6ba804586bf95afeb972c04b9e27cd4342632c201bb0b465","source":{"kind":"arxiv","id":"2101.11015","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.11015","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"arxiv_version","alias_value":"2101.11015v2","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.11015","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_12","alias_value":"KSNPRPPFRBN2","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_16","alias_value":"KSNPRPPFRBN2W25I","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_8","alias_value":"KSNPRPPF","created_at":"2026-07-05T02:39:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:KSNPRPPFRBN2W25IARMGX6K272","target":"record","payload":{"canonical_record":{"source":{"id":"2101.11015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-01-26T19:00:02Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"60b266f5a535251db1566a0afc48e341848ed732f342a35837b855980bfb7463","abstract_canon_sha256":"1bb4923e5e61d22ff67d888c805ab9504ec69b9b2dbfab33c1e7a3e34114cbcc"},"schema_version":"1.0"},"canonical_sha256":"549af8bde5885bab6ba804586bf95afeb972c04b9e27cd4342632c201bb0b465","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:39:13.237138Z","signature_b64":"h/XgVF5fU1MEshhl2+vhHJTJRk4fToPdaEibkgUCYHOMsMmmcHZBdfUo/5ywege/+SiBRLUkI1c17gQm+yqZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"549af8bde5885bab6ba804586bf95afeb972c04b9e27cd4342632c201bb0b465","last_reissued_at":"2026-07-05T02:39:13.236632Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:39:13.236632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.11015","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:39:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhaCCrxzBInFLXIMfwjPTZsMN6HxGR3WC6zOwlyGPEXKvLI2c5v4OBzgD689FHQcuvfBbRwKXOSmN50R/6ZaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:52:56.651282Z"},"content_sha256":"4471d3433366659ee1f6409171d55b8eb57df4f98b742d46f74e78dcecef0347","schema_version":"1.0","event_id":"sha256:4471d3433366659ee1f6409171d55b8eb57df4f98b742d46f74e78dcecef0347"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:KSNPRPPFRBN2W25IARMGX6K272","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalies in the gravitational recoil of eccentric black-hole mergers with unequal mass ratios","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Emanuele Berti, Miren Radia, Robin Croft, Ulrich Sperhake","submitted_at":"2021-01-26T19:00:02Z","abstract_excerpt":"The radiation of linear momentum imparts a recoil (or \"kick\") to the center of mass of a merging black hole binary system. Recent numerical relativity calculations have shown that eccentricity can lead to an approximate 25% increase in recoil velocities for equal-mass, spinning binaries with spins lying in the orbital plane (\"superkick\" configurations) [U Sperhake et al. Phys. Rev. D 101 (2020) 024044 (arXiv:1910.01598)]. Here we investigate the impact of nonzero eccentricity on the kick magnitude and gravitational-wave emission of nonspinning, unequal-mass black hole binaries. We confirm that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.11015","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.11015/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:39:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GFZj/TQPNhqZz+LWAZeeLI0ysNbkj0L5gAZRJPi4fgqELPnVdq/+46Jma8n5EkVIU/eW1uKvtUy24Q4ebQOxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:52:56.652157Z"},"content_sha256":"7d07f73acca5307ca79a240800f9e9e93be916d3f49534ab1b673d519519153c","schema_version":"1.0","event_id":"sha256:7d07f73acca5307ca79a240800f9e9e93be916d3f49534ab1b673d519519153c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KSNPRPPFRBN2W25IARMGX6K272/bundle.json","state_url":"https://pith.science/pith/KSNPRPPFRBN2W25IARMGX6K272/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KSNPRPPFRBN2W25IARMGX6K272/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-05T12:52:56Z","links":{"resolver":"https://pith.science/pith/KSNPRPPFRBN2W25IARMGX6K272","bundle":"https://pith.science/pith/KSNPRPPFRBN2W25IARMGX6K272/bundle.json","state":"https://pith.science/pith/KSNPRPPFRBN2W25IARMGX6K272/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KSNPRPPFRBN2W25IARMGX6K272/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:KSNPRPPFRBN2W25IARMGX6K272","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":"1bb4923e5e61d22ff67d888c805ab9504ec69b9b2dbfab33c1e7a3e34114cbcc","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-01-26T19:00:02Z","title_canon_sha256":"60b266f5a535251db1566a0afc48e341848ed732f342a35837b855980bfb7463"},"schema_version":"1.0","source":{"id":"2101.11015","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.11015","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"arxiv_version","alias_value":"2101.11015v2","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.11015","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_12","alias_value":"KSNPRPPFRBN2","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_16","alias_value":"KSNPRPPFRBN2W25I","created_at":"2026-07-05T02:39:13Z"},{"alias_kind":"pith_short_8","alias_value":"KSNPRPPF","created_at":"2026-07-05T02:39:13Z"}],"graph_snapshots":[{"event_id":"sha256:7d07f73acca5307ca79a240800f9e9e93be916d3f49534ab1b673d519519153c","target":"graph","created_at":"2026-07-05T02:39:13Z","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/2101.11015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The radiation of linear momentum imparts a recoil (or \"kick\") to the center of mass of a merging black hole binary system. Recent numerical relativity calculations have shown that eccentricity can lead to an approximate 25% increase in recoil velocities for equal-mass, spinning binaries with spins lying in the orbital plane (\"superkick\" configurations) [U Sperhake et al. Phys. Rev. D 101 (2020) 024044 (arXiv:1910.01598)]. Here we investigate the impact of nonzero eccentricity on the kick magnitude and gravitational-wave emission of nonspinning, unequal-mass black hole binaries. We confirm that","authors_text":"Emanuele Berti, Miren Radia, Robin Croft, Ulrich Sperhake","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-01-26T19:00:02Z","title":"Anomalies in the gravitational recoil of eccentric black-hole mergers with unequal mass ratios"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.11015","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":"sha256:4471d3433366659ee1f6409171d55b8eb57df4f98b742d46f74e78dcecef0347","target":"record","created_at":"2026-07-05T02:39:13Z","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":"1bb4923e5e61d22ff67d888c805ab9504ec69b9b2dbfab33c1e7a3e34114cbcc","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-01-26T19:00:02Z","title_canon_sha256":"60b266f5a535251db1566a0afc48e341848ed732f342a35837b855980bfb7463"},"schema_version":"1.0","source":{"id":"2101.11015","kind":"arxiv","version":2}},"canonical_sha256":"549af8bde5885bab6ba804586bf95afeb972c04b9e27cd4342632c201bb0b465","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"549af8bde5885bab6ba804586bf95afeb972c04b9e27cd4342632c201bb0b465","first_computed_at":"2026-07-05T02:39:13.236632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:39:13.236632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h/XgVF5fU1MEshhl2+vhHJTJRk4fToPdaEibkgUCYHOMsMmmcHZBdfUo/5ywege/+SiBRLUkI1c17gQm+yqZBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:39:13.237138Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.11015","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4471d3433366659ee1f6409171d55b8eb57df4f98b742d46f74e78dcecef0347","sha256:7d07f73acca5307ca79a240800f9e9e93be916d3f49534ab1b673d519519153c"],"state_sha256":"2086c51c32741118e7ee9e100afb9d9744cbf059113a8d4b9153fcbf5173c3cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3CUm+K4CDCQwvMMOMJbsqCJ4fUZEPJjAEAWanoy4aCud7+721UDBXnuzwDuPo+RHmPkF5OyMbQwj4NCTmilgCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:52:56.657771Z","bundle_sha256":"be7df51f7f37907e33539843cc49f6a1bf3747882d1d868913f8aa68a4cb7958"}}