{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2UOWIC7ODW3SO5BA7OJR3U7TX5","short_pith_number":"pith:2UOWIC7O","canonical_record":{"source":{"id":"1803.05444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-14T18:00:06Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"8eab6929a171f2473ee5c5b0034be49ff63944cb148cd1cc773aecef103d00f9","abstract_canon_sha256":"d1eee7f1afdeb7ef999b87dd228be54809738a3214628e1dafacd4648a7afbd4"},"schema_version":"1.0"},"canonical_sha256":"d51d640bee1db7277420fb931dd3f3bf6ab34471850c33ff3a76887082e54563","source":{"kind":"arxiv","id":"1803.05444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05444","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05444v1","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05444","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"2UOWIC7ODW3S","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2UOWIC7ODW3SO5BA","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2UOWIC7O","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2UOWIC7ODW3SO5BA7OJR3U7TX5","target":"record","payload":{"canonical_record":{"source":{"id":"1803.05444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-14T18:00:06Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"8eab6929a171f2473ee5c5b0034be49ff63944cb148cd1cc773aecef103d00f9","abstract_canon_sha256":"d1eee7f1afdeb7ef999b87dd228be54809738a3214628e1dafacd4648a7afbd4"},"schema_version":"1.0"},"canonical_sha256":"d51d640bee1db7277420fb931dd3f3bf6ab34471850c33ff3a76887082e54563","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:20.302329Z","signature_b64":"QYL6G65PJczQ9Da+in3JyedOHNm8BD6n18dm5fEdF9kBJCAeQ83HVtKkQ+U1E41XwTxUbeYM7gE1sdTCDRx8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d51d640bee1db7277420fb931dd3f3bf6ab34471850c33ff3a76887082e54563","last_reissued_at":"2026-05-18T00:19:20.301753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:20.301753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.05444","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"usWaE7+if4CJYac8FmUx6+GGsMDexIE1cuWoc3CMe3CNtBuR24rJWtrgDgLgrKgJJKprS19IM45wfPp4V7l+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:24:27.217859Z"},"content_sha256":"4e051050b77d58e97db407db2b8290a092cca6c76148d1d9c087012ece63d772","schema_version":"1.0","event_id":"sha256:4e051050b77d58e97db407db2b8290a092cca6c76148d1d9c087012ece63d772"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2UOWIC7ODW3SO5BA7OJR3U7TX5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When do star clusters become multiple star systems? II. Toward a half-life formalism with four bodies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"astro-ph.SR","authors_text":"Nathan W. C. Leigh, Rosalba Perna, Taeho Ryu, Teresa Panurach, Timur Ibragimov","submitted_at":"2018-03-14T18:00:06Z","abstract_excerpt":"We present a half-life formalism for describing the disruption of gravitationally-bound few-body systems, with a focus on binary-binary scattering. For negative total encounter energies, the four-body problem has three possible decay products in the point particle limit. For each decay product and a given set of initial conditions, we obtain directly from numerical scattering simulations the half-life for the distribution of disruption times. As in radioactive decay, the half-lives should provide a direct prediction for the relative fractions of each decay product. We test this prediction with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05444","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/08q0W4Lo+zlEudy/ncHtA7tk9LgYthQdf92FpJ3hGOeQKk33S4hCQkL3imfIfJF4edRJCKhvaqepCT4Fb0DDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:24:27.218534Z"},"content_sha256":"6189c5ceba40307e9c01e831dbc6798a1e7b8a7eb1324adb1d33d6306996561f","schema_version":"1.0","event_id":"sha256:6189c5ceba40307e9c01e831dbc6798a1e7b8a7eb1324adb1d33d6306996561f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/bundle.json","state_url":"https://pith.science/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/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":"2026-06-04T07:24:27Z","links":{"resolver":"https://pith.science/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5","bundle":"https://pith.science/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/bundle.json","state":"https://pith.science/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2UOWIC7ODW3SO5BA7OJR3U7TX5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2UOWIC7ODW3SO5BA7OJR3U7TX5","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":"d1eee7f1afdeb7ef999b87dd228be54809738a3214628e1dafacd4648a7afbd4","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-14T18:00:06Z","title_canon_sha256":"8eab6929a171f2473ee5c5b0034be49ff63944cb148cd1cc773aecef103d00f9"},"schema_version":"1.0","source":{"id":"1803.05444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05444","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05444v1","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05444","created_at":"2026-05-18T00:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"2UOWIC7ODW3S","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2UOWIC7ODW3SO5BA","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2UOWIC7O","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:6189c5ceba40307e9c01e831dbc6798a1e7b8a7eb1324adb1d33d6306996561f","target":"graph","created_at":"2026-05-18T00:19:20Z","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 present a half-life formalism for describing the disruption of gravitationally-bound few-body systems, with a focus on binary-binary scattering. For negative total encounter energies, the four-body problem has three possible decay products in the point particle limit. For each decay product and a given set of initial conditions, we obtain directly from numerical scattering simulations the half-life for the distribution of disruption times. As in radioactive decay, the half-lives should provide a direct prediction for the relative fractions of each decay product. We test this prediction with","authors_text":"Nathan W. C. Leigh, Rosalba Perna, Taeho Ryu, Teresa Panurach, Timur Ibragimov","cross_cats":["physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-14T18:00:06Z","title":"When do star clusters become multiple star systems? II. Toward a half-life formalism with four bodies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05444","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":"sha256:4e051050b77d58e97db407db2b8290a092cca6c76148d1d9c087012ece63d772","target":"record","created_at":"2026-05-18T00:19:20Z","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":"d1eee7f1afdeb7ef999b87dd228be54809738a3214628e1dafacd4648a7afbd4","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-14T18:00:06Z","title_canon_sha256":"8eab6929a171f2473ee5c5b0034be49ff63944cb148cd1cc773aecef103d00f9"},"schema_version":"1.0","source":{"id":"1803.05444","kind":"arxiv","version":1}},"canonical_sha256":"d51d640bee1db7277420fb931dd3f3bf6ab34471850c33ff3a76887082e54563","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d51d640bee1db7277420fb931dd3f3bf6ab34471850c33ff3a76887082e54563","first_computed_at":"2026-05-18T00:19:20.301753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:20.301753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QYL6G65PJczQ9Da+in3JyedOHNm8BD6n18dm5fEdF9kBJCAeQ83HVtKkQ+U1E41XwTxUbeYM7gE1sdTCDRx8AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:20.302329Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.05444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e051050b77d58e97db407db2b8290a092cca6c76148d1d9c087012ece63d772","sha256:6189c5ceba40307e9c01e831dbc6798a1e7b8a7eb1324adb1d33d6306996561f"],"state_sha256":"18036deadb6bf988842890ab0677afb112702f357fc0cdf38adf56f7f033a26e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xeWWFI9xrl0n297LmxauOgj1CX/Jwt1LRlklyyXaRYY6ADmhf/Lk7cPPowbPH4CewhoOE4jTrT/in1hXPsduCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:24:27.222506Z","bundle_sha256":"af02089169b69cfcf71d27391ede12ce64984ff3c08bb289e68b724c0595502f"}}