{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:AJICSMNXHCZMDBWQH7IOGQ4AUN","short_pith_number":"pith:AJICSMNX","canonical_record":{"source":{"id":"1202.2343","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-10T20:27:45Z","cross_cats_sorted":[],"title_canon_sha256":"9dee2ca594cd69126191d38e10d2eac8ce76d4ba2b291e76881b864e8eb02ee3","abstract_canon_sha256":"4cc93fbfe67cebe13ba4ce7a800eec2bd87ce97861e67a7b2365630cea8f6755"},"schema_version":"1.0"},"canonical_sha256":"02502931b738b2c186d03fd0e34380a373141cfbdbac0db6c06bec7ef9a928bf","source":{"kind":"arxiv","id":"1202.2343","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2343","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2343v1","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2343","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"pith_short_12","alias_value":"AJICSMNXHCZM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AJICSMNXHCZMDBWQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AJICSMNX","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:AJICSMNXHCZMDBWQH7IOGQ4AUN","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2343","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-10T20:27:45Z","cross_cats_sorted":[],"title_canon_sha256":"9dee2ca594cd69126191d38e10d2eac8ce76d4ba2b291e76881b864e8eb02ee3","abstract_canon_sha256":"4cc93fbfe67cebe13ba4ce7a800eec2bd87ce97861e67a7b2365630cea8f6755"},"schema_version":"1.0"},"canonical_sha256":"02502931b738b2c186d03fd0e34380a373141cfbdbac0db6c06bec7ef9a928bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:31.191030Z","signature_b64":"wF394XdqRkpoHcj0yE+OtTAd90y/pBGwBEG/jXTk1McUGJRVZz0j118diDmEZIVsgFgfMGPJh82vW4OJGZ1HCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02502931b738b2c186d03fd0e34380a373141cfbdbac0db6c06bec7ef9a928bf","last_reissued_at":"2026-05-18T01:58:31.190629Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:31.190629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2343","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":"2026-05-18T01:58:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5qfnhwqYQoQJog3efWPa4ms+uJShmQdlIv5Jxu7KKLR6bqbUPpzQTMNZE2y2UO82bVwWNl1KWI+yhKHvvUo4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:59:04.706800Z"},"content_sha256":"fd9ca53e73ce023b1c0bb37d328cae6ccecaf8d8a9e01de4b0629e01fe0ab231","schema_version":"1.0","event_id":"sha256:fd9ca53e73ce023b1c0bb37d328cae6ccecaf8d8a9e01de4b0629e01fe0ab231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:AJICSMNXHCZMDBWQH7IOGQ4AUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Method to Constrain the Size of the Protosolar Nebula","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Morbidelli, H. F. Levison, K. A. Kretke, M. W. Buie","submitted_at":"2012-02-10T20:27:45Z","abstract_excerpt":"Observations indicate that the gaseous circumstellar disks around young stars vary significantly in size, ranging from tens to thousands of AU. Models of planet formation depend critically upon the properties of these primordial disks, yet in general it is impossible to connect an existing planetary system with an observed disk. We present a method by which we can constrain the size of our own protosolar nebula using the properties of the small body reservoirs in the solar system. In standard planet formation theory, after Jupiter and Saturn formed they scattered a significant number of remnan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2343","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":""},"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":"2026-05-18T01:58:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZMI3q+EJz0/63WX9KcaNaM9fXhItSu2twot7q1iH0lVdbqBl0iFzvD92zEaE8r/mx/RWswm1sfmLRKDfWwaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:59:04.707465Z"},"content_sha256":"8ce9b35667a868fda3dca69576b61249d1377048d3e22477cc7aafb1ba6f055d","schema_version":"1.0","event_id":"sha256:8ce9b35667a868fda3dca69576b61249d1377048d3e22477cc7aafb1ba6f055d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/bundle.json","state_url":"https://pith.science/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/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":"2026-06-05T21:59:04Z","links":{"resolver":"https://pith.science/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN","bundle":"https://pith.science/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/bundle.json","state":"https://pith.science/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AJICSMNXHCZMDBWQH7IOGQ4AUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:AJICSMNXHCZMDBWQH7IOGQ4AUN","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":"4cc93fbfe67cebe13ba4ce7a800eec2bd87ce97861e67a7b2365630cea8f6755","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-10T20:27:45Z","title_canon_sha256":"9dee2ca594cd69126191d38e10d2eac8ce76d4ba2b291e76881b864e8eb02ee3"},"schema_version":"1.0","source":{"id":"1202.2343","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2343","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2343v1","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2343","created_at":"2026-05-18T01:58:31Z"},{"alias_kind":"pith_short_12","alias_value":"AJICSMNXHCZM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AJICSMNXHCZMDBWQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AJICSMNX","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:8ce9b35667a868fda3dca69576b61249d1377048d3e22477cc7aafb1ba6f055d","target":"graph","created_at":"2026-05-18T01:58:31Z","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":"Observations indicate that the gaseous circumstellar disks around young stars vary significantly in size, ranging from tens to thousands of AU. Models of planet formation depend critically upon the properties of these primordial disks, yet in general it is impossible to connect an existing planetary system with an observed disk. We present a method by which we can constrain the size of our own protosolar nebula using the properties of the small body reservoirs in the solar system. In standard planet formation theory, after Jupiter and Saturn formed they scattered a significant number of remnan","authors_text":"A. Morbidelli, H. F. Levison, K. A. Kretke, M. W. Buie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-10T20:27:45Z","title":"A Method to Constrain the Size of the Protosolar Nebula"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2343","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:fd9ca53e73ce023b1c0bb37d328cae6ccecaf8d8a9e01de4b0629e01fe0ab231","target":"record","created_at":"2026-05-18T01:58:31Z","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":"4cc93fbfe67cebe13ba4ce7a800eec2bd87ce97861e67a7b2365630cea8f6755","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-10T20:27:45Z","title_canon_sha256":"9dee2ca594cd69126191d38e10d2eac8ce76d4ba2b291e76881b864e8eb02ee3"},"schema_version":"1.0","source":{"id":"1202.2343","kind":"arxiv","version":1}},"canonical_sha256":"02502931b738b2c186d03fd0e34380a373141cfbdbac0db6c06bec7ef9a928bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02502931b738b2c186d03fd0e34380a373141cfbdbac0db6c06bec7ef9a928bf","first_computed_at":"2026-05-18T01:58:31.190629Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:31.190629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wF394XdqRkpoHcj0yE+OtTAd90y/pBGwBEG/jXTk1McUGJRVZz0j118diDmEZIVsgFgfMGPJh82vW4OJGZ1HCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:31.191030Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2343","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd9ca53e73ce023b1c0bb37d328cae6ccecaf8d8a9e01de4b0629e01fe0ab231","sha256:8ce9b35667a868fda3dca69576b61249d1377048d3e22477cc7aafb1ba6f055d"],"state_sha256":"debc2f78c51b97334417e392f7e38afcf43a55c03b5915778396575113a2da18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f6aq4NpUdOggERWq1Rc3mKYSan+kbmpNkqe2nOU1xDiEq/LBCLo1WJ9HcD2dhw5UMkTajPxm9yjKwjGGhfqqDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:59:04.710890Z","bundle_sha256":"d416f75447f76832f656f05f97163c8e4a71ff75a3bf93a5243064aef4741dd5"}}