{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:RL6RZRCWO2E2TZCYMCPRKZADAI","short_pith_number":"pith:RL6RZRCW","canonical_record":{"source":{"id":"2507.08968","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-11T18:54:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"723220d91d2ec7b438291bfb6ada28bc9150151832f3b498169f59f73836498d","abstract_canon_sha256":"5278c2b2dd1568dba558d2157bcf5de880fcd288536bd91d65211f286df4df4a"},"schema_version":"1.0"},"canonical_sha256":"8afd1cc4567689a9e458609f156403021033c2e91db383b52d9752376762bab3","source":{"kind":"arxiv","id":"2507.08968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.08968","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2507.08968v1","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.08968","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"RL6RZRCWO2E2","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"RL6RZRCWO2E2TZCY","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"RL6RZRCW","created_at":"2026-07-05T11:36:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:RL6RZRCWO2E2TZCYMCPRKZADAI","target":"record","payload":{"canonical_record":{"source":{"id":"2507.08968","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-11T18:54:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"723220d91d2ec7b438291bfb6ada28bc9150151832f3b498169f59f73836498d","abstract_canon_sha256":"5278c2b2dd1568dba558d2157bcf5de880fcd288536bd91d65211f286df4df4a"},"schema_version":"1.0"},"canonical_sha256":"8afd1cc4567689a9e458609f156403021033c2e91db383b52d9752376762bab3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:36:01.385594Z","signature_b64":"N+2I7MlUJnXbqhSqHNGYb4Go+NRLDSG+DlNVQ2O9R7uEduZb6bi+yJxIhpmxaVwhN+7+RxglbE+/klY0WbykDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8afd1cc4567689a9e458609f156403021033c2e91db383b52d9752376762bab3","last_reissued_at":"2026-07-05T11:36:01.385117Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:36:01.385117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.08968","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":"2026-07-05T11:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0u+WvNiDGg26ehm7Q/f9JEgfscVUSakGsFHUt0EB9F3Sp1qVacfkDdHx072BGyRUDHgAm8dOgUfJny1axjwWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:58:14.128621Z"},"content_sha256":"1b526b50a8d4c3a06618acee29b50116b9fba95efee29237fcfbae2dd4b4408e","schema_version":"1.0","event_id":"sha256:1b526b50a8d4c3a06618acee29b50116b9fba95efee29237fcfbae2dd4b4408e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:RL6RZRCWO2E2TZCYMCPRKZADAI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free Floating or Merely Detached?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"Sam Hadden, Yanqin Wu","submitted_at":"2025-07-11T18:54:17Z","abstract_excerpt":"Microlensing surveys suggest the presence of a surprisingly large population of free-floating planets, with a rate of about two Neptunes per star. The origin of such objects is not known, neither do we know if they are truly unbound or are merely orbiting at large separations from their host stars. Here, we investigate planet-planet scattering as a possible origin through numerical simulations of unstable multi-planet systems. We find that planet ejection by scattering can be slow, often taking more than billions of years for Neptune-mass scatterers orbiting at a few AU and beyond. Moreover, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.08968","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/2507.08968/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":"2026-07-05T11:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11I6ruOyN7g370gF7lAmEzmn8M8dH5JGbPW7oVUKq/Piti+POBbo5G0ecXlekn626TVN9F5eYZzWyIYhddyDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:58:14.129133Z"},"content_sha256":"cc29e0ef9291cf2ed0354826967ca84260252a191127242b8bbd4b358ced943f","schema_version":"1.0","event_id":"sha256:cc29e0ef9291cf2ed0354826967ca84260252a191127242b8bbd4b358ced943f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/bundle.json","state_url":"https://pith.science/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/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":"2026-08-07T18:58:14Z","links":{"resolver":"https://pith.science/pith/RL6RZRCWO2E2TZCYMCPRKZADAI","bundle":"https://pith.science/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/bundle.json","state":"https://pith.science/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RL6RZRCWO2E2TZCYMCPRKZADAI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:RL6RZRCWO2E2TZCYMCPRKZADAI","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":"5278c2b2dd1568dba558d2157bcf5de880fcd288536bd91d65211f286df4df4a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-11T18:54:17Z","title_canon_sha256":"723220d91d2ec7b438291bfb6ada28bc9150151832f3b498169f59f73836498d"},"schema_version":"1.0","source":{"id":"2507.08968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.08968","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2507.08968v1","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.08968","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"RL6RZRCWO2E2","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"RL6RZRCWO2E2TZCY","created_at":"2026-07-05T11:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"RL6RZRCW","created_at":"2026-07-05T11:36:01Z"}],"graph_snapshots":[{"event_id":"sha256:cc29e0ef9291cf2ed0354826967ca84260252a191127242b8bbd4b358ced943f","target":"graph","created_at":"2026-07-05T11:36:01Z","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/2507.08968/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Microlensing surveys suggest the presence of a surprisingly large population of free-floating planets, with a rate of about two Neptunes per star. The origin of such objects is not known, neither do we know if they are truly unbound or are merely orbiting at large separations from their host stars. Here, we investigate planet-planet scattering as a possible origin through numerical simulations of unstable multi-planet systems. We find that planet ejection by scattering can be slow, often taking more than billions of years for Neptune-mass scatterers orbiting at a few AU and beyond. Moreover, t","authors_text":"Sam Hadden, Yanqin Wu","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-11T18:54:17Z","title":"Free Floating or Merely Detached?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.08968","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":"sha256:1b526b50a8d4c3a06618acee29b50116b9fba95efee29237fcfbae2dd4b4408e","target":"record","created_at":"2026-07-05T11:36:01Z","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":"5278c2b2dd1568dba558d2157bcf5de880fcd288536bd91d65211f286df4df4a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-11T18:54:17Z","title_canon_sha256":"723220d91d2ec7b438291bfb6ada28bc9150151832f3b498169f59f73836498d"},"schema_version":"1.0","source":{"id":"2507.08968","kind":"arxiv","version":1}},"canonical_sha256":"8afd1cc4567689a9e458609f156403021033c2e91db383b52d9752376762bab3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8afd1cc4567689a9e458609f156403021033c2e91db383b52d9752376762bab3","first_computed_at":"2026-07-05T11:36:01.385117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:36:01.385117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N+2I7MlUJnXbqhSqHNGYb4Go+NRLDSG+DlNVQ2O9R7uEduZb6bi+yJxIhpmxaVwhN+7+RxglbE+/klY0WbykDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:36:01.385594Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.08968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b526b50a8d4c3a06618acee29b50116b9fba95efee29237fcfbae2dd4b4408e","sha256:cc29e0ef9291cf2ed0354826967ca84260252a191127242b8bbd4b358ced943f"],"state_sha256":"162ca463c3c9ec196b1610a1f8599bc2045fd062995f181d3f40e19293974f37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lI23i3QjsQa1LwyezMTpncrVkk+vdoNL+D8lvC3lQ9Q46eqSN1tajaKWPEH+NV6w8qKaEOzTbisUq5x643sNCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T18:58:14.133649Z","bundle_sha256":"ba925daf697d7350c843efdd237f58e7b236d475854ddd339225bc68e208b95e"}}