{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:LXVN3GCCBXWGJOFZ4WPNEEWMVU","short_pith_number":"pith:LXVN3GCC","canonical_record":{"source":{"id":"astro-ph/9603036","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-03-11T10:21:00Z","cross_cats_sorted":[],"title_canon_sha256":"1ee91ef9c9476a2e2c4fb691c89a769c86fd27d0a0b99ae8f3f81dd3377d7425","abstract_canon_sha256":"6d9a8293298bd472e55a88a1a400a295b7f4e847e3449dab6335f070f70684e9"},"schema_version":"1.0"},"canonical_sha256":"5deadd98420dec64b8b9e59ed212ccad1866457885a96f562c3d4dc4533d5ca2","source":{"kind":"arxiv","id":"astro-ph/9603036","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9603036","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9603036v1","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9603036","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"pith_short_12","alias_value":"LXVN3GCCBXWG","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"LXVN3GCCBXWGJOFZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"LXVN3GCC","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:LXVN3GCCBXWGJOFZ4WPNEEWMVU","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9603036","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-03-11T10:21:00Z","cross_cats_sorted":[],"title_canon_sha256":"1ee91ef9c9476a2e2c4fb691c89a769c86fd27d0a0b99ae8f3f81dd3377d7425","abstract_canon_sha256":"6d9a8293298bd472e55a88a1a400a295b7f4e847e3449dab6335f070f70684e9"},"schema_version":"1.0"},"canonical_sha256":"5deadd98420dec64b8b9e59ed212ccad1866457885a96f562c3d4dc4533d5ca2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:21.652799Z","signature_b64":"R7cIiomafkoq5xWq3+7m6362i1D5WrrbFQcTYEHIq5noUj2WGIFP8PYFL1lvtiXlZiPzBHBlW+wPIIadisodAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5deadd98420dec64b8b9e59ed212ccad1866457885a96f562c3d4dc4533d5ca2","last_reissued_at":"2026-05-18T01:40:21.652166Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:21.652166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9603036","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":"2026-05-18T01:40:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lyy5aIAeNq+oipyNtff04aPo4E7ZokC1WnU7vTeVWD6LRAPtPet3+iZ6JxG2/vXWtW1N7civUZPfVfw/rLtyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:18:08.036380Z"},"content_sha256":"31bfd03336a1c0f1123733adb71d9f34a9b31a77c88ba8cc6b59876acffc76ff","schema_version":"1.0","event_id":"sha256:31bfd03336a1c0f1123733adb71d9f34a9b31a77c88ba8cc6b59876acffc76ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:LXVN3GCCBXWGJOFZ4WPNEEWMVU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Close Approach during Hard Binary--Binary Scattering","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Cambridge), D. Bacon, M.B. Davies (IoA, S. Sigurdsson","submitted_at":"1996-03-11T10:21:00Z","abstract_excerpt":"We report on an extensive series of numerical experiments of binary--binary scattering, analysing the cross--section for close approach during interactions for a range of hard binary parameters of interest in globular cluster cores. We consider the implied rate for tidal interactions for different globular clusters and compare our results with previous, complementary estimates of stellar collision rates in globular clusters. We find that the collision rate for binary--binary encounters dominates in low density clusters if the binary fraction in the cluster is larger than $0.2$ for wide main--s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9603036","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":"2026-05-18T01:40:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7fvuE8zoqJbXM7jgZR6rlnxEGFKokL+j9N8Xw3aFWjMHx6/E4XxKSl2kpMDyhNL+QJ/G7A91y/Ebw/spmEPqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:18:08.036732Z"},"content_sha256":"a5396f753c44a1971e3617f05946960fd2a13629fed2feb5f4930a12c413f061","schema_version":"1.0","event_id":"sha256:a5396f753c44a1971e3617f05946960fd2a13629fed2feb5f4930a12c413f061"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/bundle.json","state_url":"https://pith.science/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/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":"2026-06-04T05:18:08Z","links":{"resolver":"https://pith.science/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU","bundle":"https://pith.science/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/bundle.json","state":"https://pith.science/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXVN3GCCBXWGJOFZ4WPNEEWMVU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:LXVN3GCCBXWGJOFZ4WPNEEWMVU","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":"6d9a8293298bd472e55a88a1a400a295b7f4e847e3449dab6335f070f70684e9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-03-11T10:21:00Z","title_canon_sha256":"1ee91ef9c9476a2e2c4fb691c89a769c86fd27d0a0b99ae8f3f81dd3377d7425"},"schema_version":"1.0","source":{"id":"astro-ph/9603036","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9603036","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9603036v1","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9603036","created_at":"2026-05-18T01:40:21Z"},{"alias_kind":"pith_short_12","alias_value":"LXVN3GCCBXWG","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"LXVN3GCCBXWGJOFZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"LXVN3GCC","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:a5396f753c44a1971e3617f05946960fd2a13629fed2feb5f4930a12c413f061","target":"graph","created_at":"2026-05-18T01:40:21Z","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"},"paper":{"abstract_excerpt":"We report on an extensive series of numerical experiments of binary--binary scattering, analysing the cross--section for close approach during interactions for a range of hard binary parameters of interest in globular cluster cores. We consider the implied rate for tidal interactions for different globular clusters and compare our results with previous, complementary estimates of stellar collision rates in globular clusters. We find that the collision rate for binary--binary encounters dominates in low density clusters if the binary fraction in the cluster is larger than $0.2$ for wide main--s","authors_text":"Cambridge), D. Bacon, M.B. Davies (IoA, S. Sigurdsson","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1996-03-11T10:21:00Z","title":"Close Approach during Hard Binary--Binary Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9603036","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":"sha256:31bfd03336a1c0f1123733adb71d9f34a9b31a77c88ba8cc6b59876acffc76ff","target":"record","created_at":"2026-05-18T01:40:21Z","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":"6d9a8293298bd472e55a88a1a400a295b7f4e847e3449dab6335f070f70684e9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-03-11T10:21:00Z","title_canon_sha256":"1ee91ef9c9476a2e2c4fb691c89a769c86fd27d0a0b99ae8f3f81dd3377d7425"},"schema_version":"1.0","source":{"id":"astro-ph/9603036","kind":"arxiv","version":1}},"canonical_sha256":"5deadd98420dec64b8b9e59ed212ccad1866457885a96f562c3d4dc4533d5ca2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5deadd98420dec64b8b9e59ed212ccad1866457885a96f562c3d4dc4533d5ca2","first_computed_at":"2026-05-18T01:40:21.652166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:21.652166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R7cIiomafkoq5xWq3+7m6362i1D5WrrbFQcTYEHIq5noUj2WGIFP8PYFL1lvtiXlZiPzBHBlW+wPIIadisodAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:21.652799Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9603036","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31bfd03336a1c0f1123733adb71d9f34a9b31a77c88ba8cc6b59876acffc76ff","sha256:a5396f753c44a1971e3617f05946960fd2a13629fed2feb5f4930a12c413f061"],"state_sha256":"5c75573bedfd1b782fade61b11bcb216e2b2a374f3c4f8eb9ccc3c373e413bce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9LKBtyHJTbG+961upgX/HoQxdPuP2nZzEogu8QSqFu6FGzEbTptP3yBXa6V2Bn/dClAtAnrfbISjRciWuPJZBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T05:18:08.038719Z","bundle_sha256":"7813501f2ac1c02ce119ccc5cde3e0d7f485755ffa896bc1a5806de5846a70f4"}}