{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HR6ZEAT7HK5PMN7X7EWT672YAR","short_pith_number":"pith:HR6ZEAT7","canonical_record":{"source":{"id":"1811.08598","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-21T05:02:28Z","cross_cats_sorted":[],"title_canon_sha256":"631d40e1a2f446bed9ccf331e0c4b4a20e77ca72a605a6fb50d8baa764394ef2","abstract_canon_sha256":"10502cd64ff6ee5cb344739b02adb78ab6e7ca7d1877e3929b7560cee132eb76"},"schema_version":"1.0"},"canonical_sha256":"3c7d92027f3abaf637f7f92d3f7f5804751e2abcf5f8ead5ad51dac6168d5080","source":{"kind":"arxiv","id":"1811.08598","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.08598","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"arxiv_version","alias_value":"1811.08598v2","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.08598","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"pith_short_12","alias_value":"HR6ZEAT7HK5P","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HR6ZEAT7HK5PMN7X","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HR6ZEAT7","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HR6ZEAT7HK5PMN7X7EWT672YAR","target":"record","payload":{"canonical_record":{"source":{"id":"1811.08598","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-21T05:02:28Z","cross_cats_sorted":[],"title_canon_sha256":"631d40e1a2f446bed9ccf331e0c4b4a20e77ca72a605a6fb50d8baa764394ef2","abstract_canon_sha256":"10502cd64ff6ee5cb344739b02adb78ab6e7ca7d1877e3929b7560cee132eb76"},"schema_version":"1.0"},"canonical_sha256":"3c7d92027f3abaf637f7f92d3f7f5804751e2abcf5f8ead5ad51dac6168d5080","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:59.049368Z","signature_b64":"K48rLES/BjPwY7XCzOULg5z3JF+gKmgntM1ATLM2+vqzVAY5Qk23ALHyiOHgYZlO8mBuSuv5YhI/3wOgFJdHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c7d92027f3abaf637f7f92d3f7f5804751e2abcf5f8ead5ad51dac6168d5080","last_reissued_at":"2026-05-17T23:47:59.048753Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:59.048753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.08598","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":"2026-05-17T23:47:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2fwwzmSHeksR6vfs+EzefNULEyBW7wPIy00awLaS1kpAu+/Zr61iVKnmUqpgeYtVpojdgUbxRPbbFqC7y34TAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:09:07.141514Z"},"content_sha256":"f7026186ebb501f6dd7d09d2a4fffe07290f7c0c2acfad57d2c2d58895efe845","schema_version":"1.0","event_id":"sha256:f7026186ebb501f6dd7d09d2a4fffe07290f7c0c2acfad57d2c2d58895efe845"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HR6ZEAT7HK5PMN7X7EWT672YAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Survival Rates of Planets in Open Clusters: the Pleiades, Hyades, and Praesepe clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"M. S. Fujii, Y. Hori","submitted_at":"2018-11-21T05:02:28Z","abstract_excerpt":"In clustered environments, stellar encounters can liberate planets from their host stars via close encounters. Although the detection probability of planets suggests that the planet population in open clusters resembles that in the field, only a few dozen planet-hosting stars have been discovered in open clusters. We explore the survival rates of planets against stellar encounters in open clusters similar to the Pleiades, Hyades, and Praesepe and embedded clusters. We performed a series of N-body simulations of high-density and low-density open clusters, open clusters that grow via mergers of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.08598","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":"2026-05-17T23:47:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XWH4HUq5mI5Rp/yjGOAOxYR5zBRfPJGJmmQ1aSy/uY3bOgjsYTmX914oLg6JCxb2ZfJBWiAGc651J/NqhIpVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:09:07.142169Z"},"content_sha256":"37127c60ac6135e0974ffdde7bad7934f24d69470b17430246422ff3e0bfcc3c","schema_version":"1.0","event_id":"sha256:37127c60ac6135e0974ffdde7bad7934f24d69470b17430246422ff3e0bfcc3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/bundle.json","state_url":"https://pith.science/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/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":"2026-06-06T19:09:07Z","links":{"resolver":"https://pith.science/pith/HR6ZEAT7HK5PMN7X7EWT672YAR","bundle":"https://pith.science/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/bundle.json","state":"https://pith.science/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HR6ZEAT7HK5PMN7X7EWT672YAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HR6ZEAT7HK5PMN7X7EWT672YAR","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":"10502cd64ff6ee5cb344739b02adb78ab6e7ca7d1877e3929b7560cee132eb76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-21T05:02:28Z","title_canon_sha256":"631d40e1a2f446bed9ccf331e0c4b4a20e77ca72a605a6fb50d8baa764394ef2"},"schema_version":"1.0","source":{"id":"1811.08598","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.08598","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"arxiv_version","alias_value":"1811.08598v2","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.08598","created_at":"2026-05-17T23:47:59Z"},{"alias_kind":"pith_short_12","alias_value":"HR6ZEAT7HK5P","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HR6ZEAT7HK5PMN7X","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HR6ZEAT7","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:37127c60ac6135e0974ffdde7bad7934f24d69470b17430246422ff3e0bfcc3c","target":"graph","created_at":"2026-05-17T23:47:59Z","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":"In clustered environments, stellar encounters can liberate planets from their host stars via close encounters. Although the detection probability of planets suggests that the planet population in open clusters resembles that in the field, only a few dozen planet-hosting stars have been discovered in open clusters. We explore the survival rates of planets against stellar encounters in open clusters similar to the Pleiades, Hyades, and Praesepe and embedded clusters. We performed a series of N-body simulations of high-density and low-density open clusters, open clusters that grow via mergers of ","authors_text":"M. S. Fujii, Y. Hori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-21T05:02:28Z","title":"Survival Rates of Planets in Open Clusters: the Pleiades, Hyades, and Praesepe clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.08598","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:f7026186ebb501f6dd7d09d2a4fffe07290f7c0c2acfad57d2c2d58895efe845","target":"record","created_at":"2026-05-17T23:47:59Z","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":"10502cd64ff6ee5cb344739b02adb78ab6e7ca7d1877e3929b7560cee132eb76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-21T05:02:28Z","title_canon_sha256":"631d40e1a2f446bed9ccf331e0c4b4a20e77ca72a605a6fb50d8baa764394ef2"},"schema_version":"1.0","source":{"id":"1811.08598","kind":"arxiv","version":2}},"canonical_sha256":"3c7d92027f3abaf637f7f92d3f7f5804751e2abcf5f8ead5ad51dac6168d5080","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c7d92027f3abaf637f7f92d3f7f5804751e2abcf5f8ead5ad51dac6168d5080","first_computed_at":"2026-05-17T23:47:59.048753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:59.048753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K48rLES/BjPwY7XCzOULg5z3JF+gKmgntM1ATLM2+vqzVAY5Qk23ALHyiOHgYZlO8mBuSuv5YhI/3wOgFJdHBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:59.049368Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.08598","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7026186ebb501f6dd7d09d2a4fffe07290f7c0c2acfad57d2c2d58895efe845","sha256:37127c60ac6135e0974ffdde7bad7934f24d69470b17430246422ff3e0bfcc3c"],"state_sha256":"8b43c70454e1bd0595dea7b862ff8777facd8a85585b2d01bca70d973946b59b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8bPpbXFt2PTRXoVlt8hLBGVN9OOryJrFBYnG56+SKuPq6zRuqA/g98+sPzzHFaSOvPSheIVGTBytsAzgT+iAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:09:07.145470Z","bundle_sha256":"42de04086461d6f5342017c7001ca578343c9a5fe8d802e1128d8632c05373fc"}}