{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UVZ24QWKU6VOH4Y5WPLIRSOWXQ","short_pith_number":"pith:UVZ24QWK","canonical_record":{"source":{"id":"1610.02338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-07T16:15:03Z","cross_cats_sorted":[],"title_canon_sha256":"aba5b69e750022e8538644ad2fd55df55e5a3c757994f0909d115b9b55f2523c","abstract_canon_sha256":"eaee0a8ca12386de854502a3b9f7ab88867d40552dca742694e48b4120034e06"},"schema_version":"1.0"},"canonical_sha256":"a573ae42caa7aae3f31db3d688c9d6bc0dfa3f591fc15ef56580ebe581737d13","source":{"kind":"arxiv","id":"1610.02338","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.02338","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"arxiv_version","alias_value":"1610.02338v1","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.02338","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"pith_short_12","alias_value":"UVZ24QWKU6VO","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UVZ24QWKU6VOH4Y5","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UVZ24QWK","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UVZ24QWKU6VOH4Y5WPLIRSOWXQ","target":"record","payload":{"canonical_record":{"source":{"id":"1610.02338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-07T16:15:03Z","cross_cats_sorted":[],"title_canon_sha256":"aba5b69e750022e8538644ad2fd55df55e5a3c757994f0909d115b9b55f2523c","abstract_canon_sha256":"eaee0a8ca12386de854502a3b9f7ab88867d40552dca742694e48b4120034e06"},"schema_version":"1.0"},"canonical_sha256":"a573ae42caa7aae3f31db3d688c9d6bc0dfa3f591fc15ef56580ebe581737d13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:40.921452Z","signature_b64":"30kzDCkQeK65lPHPnfADyiNM8oPOC0DTDoh+/FCX99JHN3621oo70ovIFnQL4wSR0WJGrZdcDWcVsOQQ3m9WCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a573ae42caa7aae3f31db3d688c9d6bc0dfa3f591fc15ef56580ebe581737d13","last_reissued_at":"2026-05-18T00:55:40.921073Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:40.921073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.02338","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":"2026-05-18T00:55:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GmHbH+pqz0MHkHNQVu8wgS+SGAOUphVa93n0fqCMAssoexJRFiX4x2gie4vQSl0E4R6EuliOZnSPQv04nBDHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T17:31:46.333112Z"},"content_sha256":"d6b9149798298fadab79f6859f3b7bfb9c92157257a1dd341b6a93ad7efcde5c","schema_version":"1.0","event_id":"sha256:d6b9149798298fadab79f6859f3b7bfb9c92157257a1dd341b6a93ad7efcde5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UVZ24QWKU6VOH4Y5WPLIRSOWXQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dynamical environment of asteroid 21 Lutetia according to different internal models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andr\\'e Amarante, Antonio F. B. A. Prado, Jean Souchay, Safwan Aljbaae, Thierry G. G. Chanut, Valerio Carruba","submitted_at":"2016-10-07T16:15:03Z","abstract_excerpt":"One of the most accurate models currently used to represent the gravity field of irregular bodies is the polyhedral approach. In this model, the mass of the body is assumed to be homogeneous, which may not be true for a real object. The main goal of the present paper is to study the dynamical effects induced by three different internal structures (uniform, three- and four-layers) of asteroid (21) Lutetia, an object that recent results from space probe suggest being at least partially differentiated. The Mascon gravity approach used in the present work, consists of dividing each tetrahedron int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.02338","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":"2026-05-18T00:55:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rZUi+ZIp/Em/yaPmGE1mtOoys3lJx7AeZEZSB2MnbMyacHMmopdyPNF7xF/VL/BFjEOMbVW0MJH9aBIwOL/dCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T17:31:46.333461Z"},"content_sha256":"b8af2cc9e21fc3fd679c68ec5dadddf774eccdfe2dd97e07bf9cedbd4905ff39","schema_version":"1.0","event_id":"sha256:b8af2cc9e21fc3fd679c68ec5dadddf774eccdfe2dd97e07bf9cedbd4905ff39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/bundle.json","state_url":"https://pith.science/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/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":"2026-06-20T17:31:46Z","links":{"resolver":"https://pith.science/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ","bundle":"https://pith.science/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/bundle.json","state":"https://pith.science/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVZ24QWKU6VOH4Y5WPLIRSOWXQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UVZ24QWKU6VOH4Y5WPLIRSOWXQ","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":"eaee0a8ca12386de854502a3b9f7ab88867d40552dca742694e48b4120034e06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-07T16:15:03Z","title_canon_sha256":"aba5b69e750022e8538644ad2fd55df55e5a3c757994f0909d115b9b55f2523c"},"schema_version":"1.0","source":{"id":"1610.02338","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.02338","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"arxiv_version","alias_value":"1610.02338v1","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.02338","created_at":"2026-05-18T00:55:40Z"},{"alias_kind":"pith_short_12","alias_value":"UVZ24QWKU6VO","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UVZ24QWKU6VOH4Y5","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UVZ24QWK","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:b8af2cc9e21fc3fd679c68ec5dadddf774eccdfe2dd97e07bf9cedbd4905ff39","target":"graph","created_at":"2026-05-18T00:55:40Z","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":"One of the most accurate models currently used to represent the gravity field of irregular bodies is the polyhedral approach. In this model, the mass of the body is assumed to be homogeneous, which may not be true for a real object. The main goal of the present paper is to study the dynamical effects induced by three different internal structures (uniform, three- and four-layers) of asteroid (21) Lutetia, an object that recent results from space probe suggest being at least partially differentiated. The Mascon gravity approach used in the present work, consists of dividing each tetrahedron int","authors_text":"Andr\\'e Amarante, Antonio F. B. A. Prado, Jean Souchay, Safwan Aljbaae, Thierry G. G. Chanut, Valerio Carruba","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-07T16:15:03Z","title":"The dynamical environment of asteroid 21 Lutetia according to different internal models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.02338","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:d6b9149798298fadab79f6859f3b7bfb9c92157257a1dd341b6a93ad7efcde5c","target":"record","created_at":"2026-05-18T00:55:40Z","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":"eaee0a8ca12386de854502a3b9f7ab88867d40552dca742694e48b4120034e06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-07T16:15:03Z","title_canon_sha256":"aba5b69e750022e8538644ad2fd55df55e5a3c757994f0909d115b9b55f2523c"},"schema_version":"1.0","source":{"id":"1610.02338","kind":"arxiv","version":1}},"canonical_sha256":"a573ae42caa7aae3f31db3d688c9d6bc0dfa3f591fc15ef56580ebe581737d13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a573ae42caa7aae3f31db3d688c9d6bc0dfa3f591fc15ef56580ebe581737d13","first_computed_at":"2026-05-18T00:55:40.921073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:40.921073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"30kzDCkQeK65lPHPnfADyiNM8oPOC0DTDoh+/FCX99JHN3621oo70ovIFnQL4wSR0WJGrZdcDWcVsOQQ3m9WCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:40.921452Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.02338","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6b9149798298fadab79f6859f3b7bfb9c92157257a1dd341b6a93ad7efcde5c","sha256:b8af2cc9e21fc3fd679c68ec5dadddf774eccdfe2dd97e07bf9cedbd4905ff39"],"state_sha256":"d39b0f4ff3ba988fad0a78153e1855dcab4b4c35e52782f2f8b6cba97b6105f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JcowecrLmee5x2fsb9OLvA9TlFHv8jehYCBGHfNr5X0qu/2r9fV15AWjffCOmJjo9LKYqWDkddGF38PsEbGBBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T17:31:46.335270Z","bundle_sha256":"f2802da8b3d8efd77e9e4e07f853a4db7be2a5b23769ee77c454ebddbcf09f88"}}