{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:FZUKC5ZMYNQVTFZBLY74Y4XYR6","short_pith_number":"pith:FZUKC5ZM","canonical_record":{"source":{"id":"gr-qc/0701163","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2007-01-29T20:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"00caf9b17f93d0156c5af898e76d400715f0d4be1f00b4f167235e73529c8bf8","abstract_canon_sha256":"512d6ed18b8ec03fa48b02a0a39352f02fa402b4754ac38bc7fb766049eb7262"},"schema_version":"1.0"},"canonical_sha256":"2e68a1772cc3615997215e3fcc72f88fafb300d82fd7bb00ddb66f433fa09aae","source":{"kind":"arxiv","id":"gr-qc/0701163","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0701163","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0701163v2","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0701163","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_12","alias_value":"FZUKC5ZMYNQV","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_16","alias_value":"FZUKC5ZMYNQVTFZB","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_8","alias_value":"FZUKC5ZM","created_at":"2026-07-04T17:25:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:FZUKC5ZMYNQVTFZBLY74Y4XYR6","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0701163","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2007-01-29T20:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"00caf9b17f93d0156c5af898e76d400715f0d4be1f00b4f167235e73529c8bf8","abstract_canon_sha256":"512d6ed18b8ec03fa48b02a0a39352f02fa402b4754ac38bc7fb766049eb7262"},"schema_version":"1.0"},"canonical_sha256":"2e68a1772cc3615997215e3fcc72f88fafb300d82fd7bb00ddb66f433fa09aae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:19.681147Z","signature_b64":"urPLQRtkj+qPfYhUkbddffBzoZHbFWQYZbGD3uQcb8N3RotasFGzoy0M3QStKIasgTskwzP/A6f/yrRBTbpRAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e68a1772cc3615997215e3fcc72f88fafb300d82fd7bb00ddb66f433fa09aae","last_reissued_at":"2026-07-04T17:25:19.680641Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:19.680641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0701163","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":"2026-07-04T17:25:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9n7XBw32v+L8wmhTg76xTkQyaDVrQSms+cuewoQQjtik+kHr95AwoGOnDGklDiMAV94uyldM1/8xNzlFApiAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:06:13.927035Z"},"content_sha256":"8c920a09cdbc8fc583a5fa403810a96566648c216eeb93819d213e3a23666412","schema_version":"1.0","event_id":"sha256:8c920a09cdbc8fc583a5fa403810a96566648c216eeb93819d213e3a23666412"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:FZUKC5ZMYNQVTFZBLY74Y4XYR6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recoil Velocities from Equal-Mass Binary-Black-Hole Mergers","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Christian Reisswig, Denis Pollney, Erik Schnetter, Jonathan Thornburg, Luciano Rezzolla, Michael Koppitz, Peter Diener","submitted_at":"2007-01-29T20:19:17Z","abstract_excerpt":"The final evolution of a binary black-hole system gives rise to a recoil velocity if an asymmetry is present in the emitted gravitational radiation. Measurements of this effect for non-spinning binaries with unequal masses have pointed out that kick velocities $\\sim~175$ km/s can be reached for a mass ratio $\\simeq 0.36$. However, a larger recoil can be obtained for equal-mass binaries if the asymmetry is provided by the spins. Using two independent methods we show that the merger of such binaries yields velocities as large as $\\sim 440$ km/s for black holes having unequal spins that are antia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0701163","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/gr-qc/0701163/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":"2026-07-04T17:25:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6yrrBLaYYUnU+AaG5pWrN9j+SZRka/L/ON1Pk+FYYj+Vy27H/sqyM+tEUhxVxIA5LlBrvSCI+KX/WELDcRbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:06:13.927803Z"},"content_sha256":"1ab71e19e68dafce84490c7b0c39103deded5a164a87b023fa7b9c02224b0b74","schema_version":"1.0","event_id":"sha256:1ab71e19e68dafce84490c7b0c39103deded5a164a87b023fa7b9c02224b0b74"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/bundle.json","state_url":"https://pith.science/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/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":"2026-08-12T14:06:13Z","links":{"resolver":"https://pith.science/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6","bundle":"https://pith.science/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/bundle.json","state":"https://pith.science/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FZUKC5ZMYNQVTFZBLY74Y4XYR6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:FZUKC5ZMYNQVTFZBLY74Y4XYR6","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":"512d6ed18b8ec03fa48b02a0a39352f02fa402b4754ac38bc7fb766049eb7262","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2007-01-29T20:19:17Z","title_canon_sha256":"00caf9b17f93d0156c5af898e76d400715f0d4be1f00b4f167235e73529c8bf8"},"schema_version":"1.0","source":{"id":"gr-qc/0701163","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0701163","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0701163v2","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0701163","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_12","alias_value":"FZUKC5ZMYNQV","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_16","alias_value":"FZUKC5ZMYNQVTFZB","created_at":"2026-07-04T17:25:19Z"},{"alias_kind":"pith_short_8","alias_value":"FZUKC5ZM","created_at":"2026-07-04T17:25:19Z"}],"graph_snapshots":[{"event_id":"sha256:1ab71e19e68dafce84490c7b0c39103deded5a164a87b023fa7b9c02224b0b74","target":"graph","created_at":"2026-07-04T17:25:19Z","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/gr-qc/0701163/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The final evolution of a binary black-hole system gives rise to a recoil velocity if an asymmetry is present in the emitted gravitational radiation. Measurements of this effect for non-spinning binaries with unequal masses have pointed out that kick velocities $\\sim~175$ km/s can be reached for a mass ratio $\\simeq 0.36$. However, a larger recoil can be obtained for equal-mass binaries if the asymmetry is provided by the spins. Using two independent methods we show that the merger of such binaries yields velocities as large as $\\sim 440$ km/s for black holes having unequal spins that are antia","authors_text":"Christian Reisswig, Denis Pollney, Erik Schnetter, Jonathan Thornburg, Luciano Rezzolla, Michael Koppitz, Peter Diener","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2007-01-29T20:19:17Z","title":"Recoil Velocities from Equal-Mass Binary-Black-Hole Mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0701163","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":"sha256:8c920a09cdbc8fc583a5fa403810a96566648c216eeb93819d213e3a23666412","target":"record","created_at":"2026-07-04T17:25:19Z","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":"512d6ed18b8ec03fa48b02a0a39352f02fa402b4754ac38bc7fb766049eb7262","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2007-01-29T20:19:17Z","title_canon_sha256":"00caf9b17f93d0156c5af898e76d400715f0d4be1f00b4f167235e73529c8bf8"},"schema_version":"1.0","source":{"id":"gr-qc/0701163","kind":"arxiv","version":2}},"canonical_sha256":"2e68a1772cc3615997215e3fcc72f88fafb300d82fd7bb00ddb66f433fa09aae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e68a1772cc3615997215e3fcc72f88fafb300d82fd7bb00ddb66f433fa09aae","first_computed_at":"2026-07-04T17:25:19.680641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:25:19.680641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"urPLQRtkj+qPfYhUkbddffBzoZHbFWQYZbGD3uQcb8N3RotasFGzoy0M3QStKIasgTskwzP/A6f/yrRBTbpRAw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:25:19.681147Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0701163","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c920a09cdbc8fc583a5fa403810a96566648c216eeb93819d213e3a23666412","sha256:1ab71e19e68dafce84490c7b0c39103deded5a164a87b023fa7b9c02224b0b74"],"state_sha256":"3dce5baaf9a7f4a5df133ce0bb5dcbcd887150317ea5d4611b28ec4a66e7d138"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"69O7n0kGFtVh8kexnTxTrQN6l0vqGSYbeWiwd7I8x1/XgKhGBlm6ZkG8vSrbzAZ4oIHtT9QiiBaiYRy9UNvVCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T14:06:13.933856Z","bundle_sha256":"5772d8045e758b0483d62fde10598ed664402433baccfb783b4a5f5f1024d8a1"}}