{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MZCG4ZZFF6O4MUWGHTJ6GWMCFQ","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":"a3b28b4fe29d9b599a8dcc91caf38e6cc746dc3c7d140b200a3e1199585601ae","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-20T13:56:49Z","title_canon_sha256":"65bc421f75b2110a89869e77a6bdf71099a84a6dc6cff74506dbbba8c30b209f"},"schema_version":"1.0","source":{"id":"2507.14968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.14968","created_at":"2026-07-05T11:40:15Z"},{"alias_kind":"arxiv_version","alias_value":"2507.14968v1","created_at":"2026-07-05T11:40:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.14968","created_at":"2026-07-05T11:40:15Z"},{"alias_kind":"pith_short_12","alias_value":"MZCG4ZZFF6O4","created_at":"2026-07-05T11:40:15Z"},{"alias_kind":"pith_short_16","alias_value":"MZCG4ZZFF6O4MUWG","created_at":"2026-07-05T11:40:15Z"},{"alias_kind":"pith_short_8","alias_value":"MZCG4ZZF","created_at":"2026-07-05T11:40:15Z"}],"graph_snapshots":[{"event_id":"sha256:ba858efa0923fe206470a58d59dda353262e23c5866f6db2333bc059c6900e61","target":"graph","created_at":"2026-07-05T11:40:15Z","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/2507.14968/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Aims. Particles ejected from the lunar surface via hypervelocity impacts form a torus between the Earth and the Moon. According to our previous study (Yang et al., A\\&A, 659, A120), among them about $2.3\\times10^{-4}\\,\\mathrm{kg/s}$ particles impact the Earth after long-term orbital evolution. We mainly focus on these Earth impactors, analyze their orbital element distribution, and estimate their influence on Earth-based observations.\n  Methods. In previous work we simulated the long-term orbital evolution of particles ejected from the lunar surface, and obtained their steady-state spatial dis","authors_text":"Kun Yang, XiaoDong Liu, Youpeng Liang, Yu Jiang","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-20T13:56:49Z","title":"Investigation of lunar ejecta dynamics: Particles reaching the near-Earth space and their effect on Earth-based observation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.14968","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:d8b9f4de902b144570b32b6837e1fc6c4e276d7587bb30b478e31c1d2d1c911a","target":"record","created_at":"2026-07-05T11:40:15Z","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":"a3b28b4fe29d9b599a8dcc91caf38e6cc746dc3c7d140b200a3e1199585601ae","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-20T13:56:49Z","title_canon_sha256":"65bc421f75b2110a89869e77a6bdf71099a84a6dc6cff74506dbbba8c30b209f"},"schema_version":"1.0","source":{"id":"2507.14968","kind":"arxiv","version":1}},"canonical_sha256":"66446e67252f9dc652c63cd3e359822c2c170dbf3f7c120e3137bc0da6ed4a14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66446e67252f9dc652c63cd3e359822c2c170dbf3f7c120e3137bc0da6ed4a14","first_computed_at":"2026-07-05T11:40:15.993817Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:40:15.993817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WTKFLcxh3Iow4P/oeuzUTsL2GkbOyLYbWOMx21FDowd1eiJ/SFNGdYpPi5iErjswVBD6u7JWgn95NpKMBfOfDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:40:15.994330Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.14968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8b9f4de902b144570b32b6837e1fc6c4e276d7587bb30b478e31c1d2d1c911a","sha256:ba858efa0923fe206470a58d59dda353262e23c5866f6db2333bc059c6900e61"],"state_sha256":"5c66dccfb2d199f48aebf51e98f3b311bcb8023eb4cca57c5776318a04ecbb61"}