{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:NXZIOZFBGC45XURHRXYJZFLYGL","short_pith_number":"pith:NXZIOZFB","canonical_record":{"source":{"id":"astro-ph/0701544","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-18T18:50:02Z","cross_cats_sorted":[],"title_canon_sha256":"13c4c84607677f00ea476709626f0a3f2f58cf81b915d27f1cb94dcbdec35838","abstract_canon_sha256":"1f0e8e04fb97dd9ef5a968866e5e29998e2d74c3f465d6e39b55c6334df20446"},"schema_version":"1.0"},"canonical_sha256":"6df28764a130b9dbd2278df09c957832c26e3b5153eb77fdb90a1927664a7ca2","source":{"kind":"arxiv","id":"astro-ph/0701544","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701544","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701544v1","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701544","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_12","alias_value":"NXZIOZFBGC45","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_16","alias_value":"NXZIOZFBGC45XURH","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_8","alias_value":"NXZIOZFB","created_at":"2026-07-04T17:07:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:NXZIOZFBGC45XURHRXYJZFLYGL","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701544","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-18T18:50:02Z","cross_cats_sorted":[],"title_canon_sha256":"13c4c84607677f00ea476709626f0a3f2f58cf81b915d27f1cb94dcbdec35838","abstract_canon_sha256":"1f0e8e04fb97dd9ef5a968866e5e29998e2d74c3f465d6e39b55c6334df20446"},"schema_version":"1.0"},"canonical_sha256":"6df28764a130b9dbd2278df09c957832c26e3b5153eb77fdb90a1927664a7ca2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:26.582549Z","signature_b64":"+M/F5I0aD1v9T3nxxfMQ7I3S5vblRvAyvox4hMa4ThyXejqhKiUpFY21DtahtgyX/UIFJcxZtPjliMvoREb9CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6df28764a130b9dbd2278df09c957832c26e3b5153eb77fdb90a1927664a7ca2","last_reissued_at":"2026-07-04T17:07:26.582171Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:26.582171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701544","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":"2026-07-04T17:07:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O/pEC9GMH+16beOHUKsKcgNVtwHahd1MYHOkBG4SYjh5AAFtdOOQAlJR2znLYvgZJqC/5ugV712BlRlvhnzIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T21:04:31.635332Z"},"content_sha256":"50e6e50b5ddc1cf9587bedccd16ebc844b47df2b05463a009e900a1147c6d1f6","schema_version":"1.0","event_id":"sha256:50e6e50b5ddc1cf9587bedccd16ebc844b47df2b05463a009e900a1147c6d1f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:NXZIOZFBGC45XURHRXYJZFLYGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Models of the Collisional Damping Scenario for Ice Giant Planets and Kuiper Belt Formatio","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alessandro Morbidelli, Harold F. Levison","submitted_at":"2007-01-18T18:50:02Z","abstract_excerpt":"Chiang et al. 2006, hereafter C06 have recently proposed that the observed structure of the Kuiper belt could be the result of a dynamical instability of a system of ~5 primordial ice giant planets in the outer Solar System. According to this scenario, before the instability occurred, these giants were growing in a highly collisionally damped environment according to the arguments in Goldreich et al. (2004a,b, hereafter G04). Here we test this hypothesis with a series of numerical simulations using a new code designed to incorporate the dynamical effects of collisions. We find that we cannot r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701544","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/astro-ph/0701544/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":"2026-07-04T17:07:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0LtGUtaN/tq/2b78xHgfAw2wULbeqf7IXrQx+yqEddoPllXzui7S7R3JFvTKLh5M9dawUeE/Q91vLtjPKSuADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T21:04:31.636125Z"},"content_sha256":"8827cb743eceb01955521fc405ca5643c073490057511e448f9c6432d00745bb","schema_version":"1.0","event_id":"sha256:8827cb743eceb01955521fc405ca5643c073490057511e448f9c6432d00745bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NXZIOZFBGC45XURHRXYJZFLYGL/bundle.json","state_url":"https://pith.science/pith/NXZIOZFBGC45XURHRXYJZFLYGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NXZIOZFBGC45XURHRXYJZFLYGL/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":"2026-08-12T21:04:31Z","links":{"resolver":"https://pith.science/pith/NXZIOZFBGC45XURHRXYJZFLYGL","bundle":"https://pith.science/pith/NXZIOZFBGC45XURHRXYJZFLYGL/bundle.json","state":"https://pith.science/pith/NXZIOZFBGC45XURHRXYJZFLYGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NXZIOZFBGC45XURHRXYJZFLYGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:NXZIOZFBGC45XURHRXYJZFLYGL","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":"1f0e8e04fb97dd9ef5a968866e5e29998e2d74c3f465d6e39b55c6334df20446","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-18T18:50:02Z","title_canon_sha256":"13c4c84607677f00ea476709626f0a3f2f58cf81b915d27f1cb94dcbdec35838"},"schema_version":"1.0","source":{"id":"astro-ph/0701544","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701544","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701544v1","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701544","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_12","alias_value":"NXZIOZFBGC45","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_16","alias_value":"NXZIOZFBGC45XURH","created_at":"2026-07-04T17:07:26Z"},{"alias_kind":"pith_short_8","alias_value":"NXZIOZFB","created_at":"2026-07-04T17:07:26Z"}],"graph_snapshots":[{"event_id":"sha256:8827cb743eceb01955521fc405ca5643c073490057511e448f9c6432d00745bb","target":"graph","created_at":"2026-07-04T17:07:26Z","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/astro-ph/0701544/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Chiang et al. 2006, hereafter C06 have recently proposed that the observed structure of the Kuiper belt could be the result of a dynamical instability of a system of ~5 primordial ice giant planets in the outer Solar System. According to this scenario, before the instability occurred, these giants were growing in a highly collisionally damped environment according to the arguments in Goldreich et al. (2004a,b, hereafter G04). Here we test this hypothesis with a series of numerical simulations using a new code designed to incorporate the dynamical effects of collisions. We find that we cannot r","authors_text":"Alessandro Morbidelli, Harold F. Levison","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-18T18:50:02Z","title":"Models of the Collisional Damping Scenario for Ice Giant Planets and Kuiper Belt Formatio"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701544","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":"sha256:50e6e50b5ddc1cf9587bedccd16ebc844b47df2b05463a009e900a1147c6d1f6","target":"record","created_at":"2026-07-04T17:07:26Z","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":"1f0e8e04fb97dd9ef5a968866e5e29998e2d74c3f465d6e39b55c6334df20446","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-18T18:50:02Z","title_canon_sha256":"13c4c84607677f00ea476709626f0a3f2f58cf81b915d27f1cb94dcbdec35838"},"schema_version":"1.0","source":{"id":"astro-ph/0701544","kind":"arxiv","version":1}},"canonical_sha256":"6df28764a130b9dbd2278df09c957832c26e3b5153eb77fdb90a1927664a7ca2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6df28764a130b9dbd2278df09c957832c26e3b5153eb77fdb90a1927664a7ca2","first_computed_at":"2026-07-04T17:07:26.582171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:07:26.582171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+M/F5I0aD1v9T3nxxfMQ7I3S5vblRvAyvox4hMa4ThyXejqhKiUpFY21DtahtgyX/UIFJcxZtPjliMvoREb9CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:07:26.582549Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701544","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50e6e50b5ddc1cf9587bedccd16ebc844b47df2b05463a009e900a1147c6d1f6","sha256:8827cb743eceb01955521fc405ca5643c073490057511e448f9c6432d00745bb"],"state_sha256":"68540658f9a48ddb06109236d5ee7c4217c541895ce8e3568b48555808b9f98d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"og8kn5hholTOHrFEfrl/+o4JdwPYsEQEH2kKpuKiSPOyQ39ywTsXuG5EbChVmowN3ttZmiuNC7D6xx8Qr+koDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T21:04:31.642118Z","bundle_sha256":"29f871e16110c83c9885d4b3566970f2ed54ead7483b0dd55ee732c6ee9b1b23"}}