{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:BGP3PPUGHM4AHFHCP5ZGPPBQJS","short_pith_number":"pith:BGP3PPUG","canonical_record":{"source":{"id":"2608.00173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-31T18:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"046210fbb7982bbb451f04d691e7df036ad2e24b293ffe90ad450119968cda60","abstract_canon_sha256":"796cb86bab35217dfad14d0c61553f3b816df5e69b314f9b8ec550baed34eb7c"},"schema_version":"1.0"},"canonical_sha256":"099fb7be863b380394e27f7267bc304caaa0570ecae6290900d4e446b9dcb7f7","source":{"kind":"arxiv","id":"2608.00173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.00173","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2608.00173v1","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.00173","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"BGP3PPUGHM4A","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"BGP3PPUGHM4AHFHC","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"BGP3PPUG","created_at":"2026-08-04T00:33:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:BGP3PPUGHM4AHFHCP5ZGPPBQJS","target":"record","payload":{"canonical_record":{"source":{"id":"2608.00173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-31T18:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"046210fbb7982bbb451f04d691e7df036ad2e24b293ffe90ad450119968cda60","abstract_canon_sha256":"796cb86bab35217dfad14d0c61553f3b816df5e69b314f9b8ec550baed34eb7c"},"schema_version":"1.0"},"canonical_sha256":"099fb7be863b380394e27f7267bc304caaa0570ecae6290900d4e446b9dcb7f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T00:33:08.232293Z","signature_b64":"5BM4/L6Bx7LHRjmHi1k0X3aHxK6eAcD1itXZpEJHzIWnR+fo/DPAHK46yJl7bnxFMCnYHLi0303+8rTQmW19Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"099fb7be863b380394e27f7267bc304caaa0570ecae6290900d4e446b9dcb7f7","last_reissued_at":"2026-08-04T00:33:08.230884Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T00:33:08.230884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.00173","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":"2026-08-04T00:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EQpsfuuGB9i9jX5fgEMY9QF+/lhzUDvhbOarfKo1acFt2SXsfNs39ssMPXUszHd01LUWLMNHOpmSXLnkgA4MDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:57:49.291216Z"},"content_sha256":"8dcc1e111b06b1701ee62b53ccdf9389fb313325c17131100e2c23f5e6cbc3b2","schema_version":"1.0","event_id":"sha256:8dcc1e111b06b1701ee62b53ccdf9389fb313325c17131100e2c23f5e6cbc3b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:BGP3PPUGHM4AHFHCP5ZGPPBQJS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Dynamics of Planetary Ejection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Malena Rice, Sean N. Raymond, William DeRocco","submitted_at":"2026-07-31T18:00:09Z","abstract_excerpt":"The ubiquity of free-floating planets inferred from microlensing and direct imaging surveys suggests that planetary ejection---a process in which planets initially born encircling a stellar host become gravitationally unbound---is common. Four overarching mechanisms have been proposed to induce planetary ejection: close approaches of neighboring planets, instabilities in binary or multi-star systems, stellar and planetary flybys, and post-main-sequence stellar evolution. Here we review the mechanisms underlying planetary ejection, as well as predictions derived from each. Current and upcoming "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.00173","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.00173/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":"2026-08-04T00:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y1xrzJmw52nXe33+zmKbH3NhDGtAdhHNtLpXXBPnZAuOaB1AaeqphvjWHqnnnrKs/vHABRorxtY8o2AicoxYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:57:49.291856Z"},"content_sha256":"73cb1b596a2914e732b749d57ecfeb73409b4f00b97f4f948b50c0d5fde17157","schema_version":"1.0","event_id":"sha256:73cb1b596a2914e732b749d57ecfeb73409b4f00b97f4f948b50c0d5fde17157"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/bundle.json","state_url":"https://pith.science/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/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":"2026-08-04T22:57:49Z","links":{"resolver":"https://pith.science/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS","bundle":"https://pith.science/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/bundle.json","state":"https://pith.science/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGP3PPUGHM4AHFHCP5ZGPPBQJS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BGP3PPUGHM4AHFHCP5ZGPPBQJS","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":"796cb86bab35217dfad14d0c61553f3b816df5e69b314f9b8ec550baed34eb7c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-31T18:00:09Z","title_canon_sha256":"046210fbb7982bbb451f04d691e7df036ad2e24b293ffe90ad450119968cda60"},"schema_version":"1.0","source":{"id":"2608.00173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.00173","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2608.00173v1","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.00173","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"BGP3PPUGHM4A","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"BGP3PPUGHM4AHFHC","created_at":"2026-08-04T00:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"BGP3PPUG","created_at":"2026-08-04T00:33:08Z"}],"graph_snapshots":[{"event_id":"sha256:73cb1b596a2914e732b749d57ecfeb73409b4f00b97f4f948b50c0d5fde17157","target":"graph","created_at":"2026-08-04T00:33:08Z","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/2608.00173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ubiquity of free-floating planets inferred from microlensing and direct imaging surveys suggests that planetary ejection---a process in which planets initially born encircling a stellar host become gravitationally unbound---is common. Four overarching mechanisms have been proposed to induce planetary ejection: close approaches of neighboring planets, instabilities in binary or multi-star systems, stellar and planetary flybys, and post-main-sequence stellar evolution. Here we review the mechanisms underlying planetary ejection, as well as predictions derived from each. Current and upcoming ","authors_text":"Malena Rice, Sean N. Raymond, William DeRocco","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-31T18:00:09Z","title":"The Dynamics of Planetary Ejection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.00173","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":"sha256:8dcc1e111b06b1701ee62b53ccdf9389fb313325c17131100e2c23f5e6cbc3b2","target":"record","created_at":"2026-08-04T00:33:08Z","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":"796cb86bab35217dfad14d0c61553f3b816df5e69b314f9b8ec550baed34eb7c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-31T18:00:09Z","title_canon_sha256":"046210fbb7982bbb451f04d691e7df036ad2e24b293ffe90ad450119968cda60"},"schema_version":"1.0","source":{"id":"2608.00173","kind":"arxiv","version":1}},"canonical_sha256":"099fb7be863b380394e27f7267bc304caaa0570ecae6290900d4e446b9dcb7f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"099fb7be863b380394e27f7267bc304caaa0570ecae6290900d4e446b9dcb7f7","first_computed_at":"2026-08-04T00:33:08.230884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T00:33:08.230884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5BM4/L6Bx7LHRjmHi1k0X3aHxK6eAcD1itXZpEJHzIWnR+fo/DPAHK46yJl7bnxFMCnYHLi0303+8rTQmW19Cw==","signature_status":"signed_v1","signed_at":"2026-08-04T00:33:08.232293Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.00173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8dcc1e111b06b1701ee62b53ccdf9389fb313325c17131100e2c23f5e6cbc3b2","sha256:73cb1b596a2914e732b749d57ecfeb73409b4f00b97f4f948b50c0d5fde17157"],"state_sha256":"6eb59ac78febda205aa7d41e27cb1d7be935b22a907a702e7c80a8fdc0d5acf5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LxviJU92SImb3YApo5e3Phe2EJ0M/AQRblQn07eLB/g3kyGQEyZ4234Ru0JwncvIMY469F4efRYBZ5xRjF+gCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T22:57:49.297710Z","bundle_sha256":"719574108097c938034f6cccaf995841fe0001a67f67baccbeae358de3dd2c82"}}