{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ARAIITMVCFIB7NXQEEJG3GC4D5","short_pith_number":"pith:ARAIITMV","canonical_record":{"source":{"id":"1111.2393","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-11-10T04:58:29Z","cross_cats_sorted":[],"title_canon_sha256":"529bacb28a1b1c9516a8993c522f8d3d759216b3a15963a3d3e18e16b0e6c587","abstract_canon_sha256":"0366bc451f8abb9727165cae05242f9a95739d30e3ee90bc4d34c141676f8ddc"},"schema_version":"1.0"},"canonical_sha256":"0440844d9511501fb6f021126d985c1f712c9b288b933297cf6f728f871d8c45","source":{"kind":"arxiv","id":"1111.2393","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2393","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2393v2","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2393","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"ARAIITMVCFIB","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ARAIITMVCFIB7NXQ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ARAIITMV","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ARAIITMVCFIB7NXQEEJG3GC4D5","target":"record","payload":{"canonical_record":{"source":{"id":"1111.2393","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-11-10T04:58:29Z","cross_cats_sorted":[],"title_canon_sha256":"529bacb28a1b1c9516a8993c522f8d3d759216b3a15963a3d3e18e16b0e6c587","abstract_canon_sha256":"0366bc451f8abb9727165cae05242f9a95739d30e3ee90bc4d34c141676f8ddc"},"schema_version":"1.0"},"canonical_sha256":"0440844d9511501fb6f021126d985c1f712c9b288b933297cf6f728f871d8c45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:42.813153Z","signature_b64":"Pfzuy/68gT3CGBjKIvz0t0XdwL35flOD4FSNAA/96IwoQjxD2dN+TVwPm1NcJmzGNAuDdt65Dhnps5ri8Hf+BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0440844d9511501fb6f021126d985c1f712c9b288b933297cf6f728f871d8c45","last_reissued_at":"2026-05-18T01:59:42.812440Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:42.812440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.2393","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"plkSR6Rks47lMtiKf+ai9IQ2oUEA9FX1rx/D1zxEzFtYL93vT9H5awcx5GzEl8B42NYrlR0Ze1uZWHCSjMaXCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:08:58.473770Z"},"content_sha256":"6ad5905619dd88a52bc4acdd8087b52656d880475d391a4ee0b0c60f7f346570","schema_version":"1.0","event_id":"sha256:6ad5905619dd88a52bc4acdd8087b52656d880475d391a4ee0b0c60f7f346570"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ARAIITMVCFIB7NXQEEJG3GC4D5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Binary Asteroid Encounters with Terrestrial Planets: Timescales and Effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jean-Luc Margot, Julia Fang","submitted_at":"2011-11-10T04:58:29Z","abstract_excerpt":"Many asteroids that make close encounters with terrestrial planets are in a binary configuration. Here we calculate the relevant encounter timescales and investigate the effects of encounters on a binary's mutual orbit. We use a combination of analytical and numerical approaches with a wide range of initial conditions. Our test cases include generic binaries with close, moderate, and wide separations, as well as seven well-characterized near-Earth binaries. We find that close approaches (<10 Earth radii) occur for almost all binaries on 1-10 million year timescales. At such distances, our resu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2393","kind":"arxiv","version":2},"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":"2026-05-18T01:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DZBGyWdgCHDsvmGJX2uTO9+jcmhEGY/JiwrPsoB+0RsUyNqB2O/poVLK7LGNlI0zYJGECZ7TUEp1ksmHujLkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:08:58.474413Z"},"content_sha256":"ddb9b82dc9c397abc58a7a61b4783a6a886e786d503d7e8473372c6fc48dabd7","schema_version":"1.0","event_id":"sha256:ddb9b82dc9c397abc58a7a61b4783a6a886e786d503d7e8473372c6fc48dabd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/bundle.json","state_url":"https://pith.science/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/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":"2026-05-31T02:08:58Z","links":{"resolver":"https://pith.science/pith/ARAIITMVCFIB7NXQEEJG3GC4D5","bundle":"https://pith.science/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/bundle.json","state":"https://pith.science/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ARAIITMVCFIB7NXQEEJG3GC4D5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ARAIITMVCFIB7NXQEEJG3GC4D5","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":"0366bc451f8abb9727165cae05242f9a95739d30e3ee90bc4d34c141676f8ddc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-11-10T04:58:29Z","title_canon_sha256":"529bacb28a1b1c9516a8993c522f8d3d759216b3a15963a3d3e18e16b0e6c587"},"schema_version":"1.0","source":{"id":"1111.2393","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2393","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2393v2","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2393","created_at":"2026-05-18T01:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"ARAIITMVCFIB","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ARAIITMVCFIB7NXQ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ARAIITMV","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:ddb9b82dc9c397abc58a7a61b4783a6a886e786d503d7e8473372c6fc48dabd7","target":"graph","created_at":"2026-05-18T01:59:42Z","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":"Many asteroids that make close encounters with terrestrial planets are in a binary configuration. Here we calculate the relevant encounter timescales and investigate the effects of encounters on a binary's mutual orbit. We use a combination of analytical and numerical approaches with a wide range of initial conditions. Our test cases include generic binaries with close, moderate, and wide separations, as well as seven well-characterized near-Earth binaries. We find that close approaches (<10 Earth radii) occur for almost all binaries on 1-10 million year timescales. At such distances, our resu","authors_text":"Jean-Luc Margot, Julia Fang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-11-10T04:58:29Z","title":"Binary Asteroid Encounters with Terrestrial Planets: Timescales and Effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2393","kind":"arxiv","version":2},"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":"sha256:6ad5905619dd88a52bc4acdd8087b52656d880475d391a4ee0b0c60f7f346570","target":"record","created_at":"2026-05-18T01:59:42Z","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":"0366bc451f8abb9727165cae05242f9a95739d30e3ee90bc4d34c141676f8ddc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-11-10T04:58:29Z","title_canon_sha256":"529bacb28a1b1c9516a8993c522f8d3d759216b3a15963a3d3e18e16b0e6c587"},"schema_version":"1.0","source":{"id":"1111.2393","kind":"arxiv","version":2}},"canonical_sha256":"0440844d9511501fb6f021126d985c1f712c9b288b933297cf6f728f871d8c45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0440844d9511501fb6f021126d985c1f712c9b288b933297cf6f728f871d8c45","first_computed_at":"2026-05-18T01:59:42.812440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:42.812440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pfzuy/68gT3CGBjKIvz0t0XdwL35flOD4FSNAA/96IwoQjxD2dN+TVwPm1NcJmzGNAuDdt65Dhnps5ri8Hf+BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:42.813153Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.2393","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ad5905619dd88a52bc4acdd8087b52656d880475d391a4ee0b0c60f7f346570","sha256:ddb9b82dc9c397abc58a7a61b4783a6a886e786d503d7e8473372c6fc48dabd7"],"state_sha256":"5061446b7d7377d81cb544682ec01431ebd5804a07e9cd167ae2cb4e232e9272"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6g3qJSV4jaUGXelbYZpNCHJYVIzk+NEt7d9abIIDHpX8D9UQRXAAl8WzRn59t3kJs0EeTezpJDE3+puUdZM7CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:08:58.477744Z","bundle_sha256":"20b5b9ef157136480dd3477644f5549eba658b2e892da4ee762033a682741c7d"}}