{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CKJOCXUVPAWGOOBTZRD7UT4Z3F","short_pith_number":"pith:CKJOCXUV","canonical_record":{"source":{"id":"0905.0815","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-06T12:17:47Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5373d95748e6f6ac8006dd923708e7d39ff57b22349737b7eaa4342e8a38360e","abstract_canon_sha256":"1cfc2f27c13adbf3988145f53a8c9c56352ea44cc5f1bf0d64b6e02cc4b20ed8"},"schema_version":"1.0"},"canonical_sha256":"1292e15e95782c673833cc47fa4f99d97e1f397fab49f27849276c27ca691b5f","source":{"kind":"arxiv","id":"0905.0815","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0815","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0815v2","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0815","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"pith_short_12","alias_value":"CKJOCXUVPAWG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CKJOCXUVPAWGOOBT","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CKJOCXUV","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CKJOCXUVPAWGOOBTZRD7UT4Z3F","target":"record","payload":{"canonical_record":{"source":{"id":"0905.0815","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-06T12:17:47Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5373d95748e6f6ac8006dd923708e7d39ff57b22349737b7eaa4342e8a38360e","abstract_canon_sha256":"1cfc2f27c13adbf3988145f53a8c9c56352ea44cc5f1bf0d64b6e02cc4b20ed8"},"schema_version":"1.0"},"canonical_sha256":"1292e15e95782c673833cc47fa4f99d97e1f397fab49f27849276c27ca691b5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:47.161051Z","signature_b64":"L0IRUs+7QlupHofAUC4s3ZZSLQq3jw69hD3hENuhj8fjCB5ALyKBBpmy1lRWYFMn15EZP9RRPLRUeeIB+3+DBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1292e15e95782c673833cc47fa4f99d97e1f397fab49f27849276c27ca691b5f","last_reissued_at":"2026-05-18T02:13:47.160309Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:47.160309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.0815","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":"2026-05-18T02:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HGg8tTVFTXtDp8YaLx4rlDuZSElWic0Tb9AJkbZNo7wtrEWlotZlXMhPY0X4/jqwTdrsLnaf39K/0DBKQxhMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T13:30:38.676102Z"},"content_sha256":"cd357fcdfb7ff06a3b03336522bb5fcd44eb92f2f95618df8e815e41b135b89d","schema_version":"1.0","event_id":"sha256:cd357fcdfb7ff06a3b03336522bb5fcd44eb92f2f95618df8e815e41b135b89d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CKJOCXUVPAWGOOBTZRD7UT4Z3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The role of cluster evolution in disrupting planetary systems and disks: the Kozai mechanism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"Richard J. Parker, Simon P. Goodwin (University of Sheffield)","submitted_at":"2009-05-06T12:17:47Z","abstract_excerpt":"We examine the effects of dynamical evolution in clusters on planetary systems or protoplanetary disks orbiting the components of binary stars. In particular, we look for evidence that the companions of host stars of planetary systems or disks could have their inclination angles raised from zero to between the threshold angles (39.23 degrees and 140.77 degrees) that can induce the Kozai mechanism. We find that up to 20 per cent of binary systems have their inclination angles increased to within the threshold range. Given that half of all extrasolar planets could be in binary systems, we sugges"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0815","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":""},"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":"2026-05-18T02:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"icjoZQQoBcSkwP2VQ6dEH3reDebKbnLrI5MYqUeD3rfwclz2BBbHNPgXrAKWijY3Ed5w/Iv7IV9JDJQJ43j5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T13:30:38.676753Z"},"content_sha256":"04182e96334189ebd98da5fda566fa97f4b313e423447383109a34bfeda6e169","schema_version":"1.0","event_id":"sha256:04182e96334189ebd98da5fda566fa97f4b313e423447383109a34bfeda6e169"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/bundle.json","state_url":"https://pith.science/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/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":"2026-05-23T13:30:38Z","links":{"resolver":"https://pith.science/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F","bundle":"https://pith.science/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/bundle.json","state":"https://pith.science/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKJOCXUVPAWGOOBTZRD7UT4Z3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CKJOCXUVPAWGOOBTZRD7UT4Z3F","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":"1cfc2f27c13adbf3988145f53a8c9c56352ea44cc5f1bf0d64b6e02cc4b20ed8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-06T12:17:47Z","title_canon_sha256":"5373d95748e6f6ac8006dd923708e7d39ff57b22349737b7eaa4342e8a38360e"},"schema_version":"1.0","source":{"id":"0905.0815","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0815","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0815v2","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0815","created_at":"2026-05-18T02:13:47Z"},{"alias_kind":"pith_short_12","alias_value":"CKJOCXUVPAWG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CKJOCXUVPAWGOOBT","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CKJOCXUV","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:04182e96334189ebd98da5fda566fa97f4b313e423447383109a34bfeda6e169","target":"graph","created_at":"2026-05-18T02:13:47Z","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 examine the effects of dynamical evolution in clusters on planetary systems or protoplanetary disks orbiting the components of binary stars. In particular, we look for evidence that the companions of host stars of planetary systems or disks could have their inclination angles raised from zero to between the threshold angles (39.23 degrees and 140.77 degrees) that can induce the Kozai mechanism. We find that up to 20 per cent of binary systems have their inclination angles increased to within the threshold range. Given that half of all extrasolar planets could be in binary systems, we sugges","authors_text":"Richard J. Parker, Simon P. Goodwin (University of Sheffield)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-06T12:17:47Z","title":"The role of cluster evolution in disrupting planetary systems and disks: the Kozai mechanism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0815","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:cd357fcdfb7ff06a3b03336522bb5fcd44eb92f2f95618df8e815e41b135b89d","target":"record","created_at":"2026-05-18T02:13:47Z","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":"1cfc2f27c13adbf3988145f53a8c9c56352ea44cc5f1bf0d64b6e02cc4b20ed8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-06T12:17:47Z","title_canon_sha256":"5373d95748e6f6ac8006dd923708e7d39ff57b22349737b7eaa4342e8a38360e"},"schema_version":"1.0","source":{"id":"0905.0815","kind":"arxiv","version":2}},"canonical_sha256":"1292e15e95782c673833cc47fa4f99d97e1f397fab49f27849276c27ca691b5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1292e15e95782c673833cc47fa4f99d97e1f397fab49f27849276c27ca691b5f","first_computed_at":"2026-05-18T02:13:47.160309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:47.160309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L0IRUs+7QlupHofAUC4s3ZZSLQq3jw69hD3hENuhj8fjCB5ALyKBBpmy1lRWYFMn15EZP9RRPLRUeeIB+3+DBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:47.161051Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.0815","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd357fcdfb7ff06a3b03336522bb5fcd44eb92f2f95618df8e815e41b135b89d","sha256:04182e96334189ebd98da5fda566fa97f4b313e423447383109a34bfeda6e169"],"state_sha256":"fddb681c318cd82c899c5056be8f4e617872463b31bc7d694a044d5aa5a567ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jYPL6N1XF8bDWaJhbrgASaixuKtg7DKXKjA/tdIoxc9ZBH+ok2VvBqoqGWDx+ajblg/mk/xugcvLDahEzq/LDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T13:30:38.680327Z","bundle_sha256":"bb69be07412a035253afac3268f33f188fe79a2db1c115b023a6fa1a7820efb6"}}