{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3DZYHODS3744MRQEBF7PIYL2GT","short_pith_number":"pith:3DZYHODS","canonical_record":{"source":{"id":"1704.05251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-18T09:43:33Z","cross_cats_sorted":[],"title_canon_sha256":"91546bbfef18e701971939e02e65d2b936bb3d7b6075e70552133c2e385941e3","abstract_canon_sha256":"38a1b26b5837dd60e44d76cf928e3c15e778a673581050ae8d09386af443f4e1"},"schema_version":"1.0"},"canonical_sha256":"d8f383b872dff9c64604097ef4617a34d4c0ebc67e886b9844a5154c4c05cd7f","source":{"kind":"arxiv","id":"1704.05251","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05251","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05251v1","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05251","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"pith_short_12","alias_value":"3DZYHODS3744","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3DZYHODS3744MRQE","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3DZYHODS","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3DZYHODS3744MRQEBF7PIYL2GT","target":"record","payload":{"canonical_record":{"source":{"id":"1704.05251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-18T09:43:33Z","cross_cats_sorted":[],"title_canon_sha256":"91546bbfef18e701971939e02e65d2b936bb3d7b6075e70552133c2e385941e3","abstract_canon_sha256":"38a1b26b5837dd60e44d76cf928e3c15e778a673581050ae8d09386af443f4e1"},"schema_version":"1.0"},"canonical_sha256":"d8f383b872dff9c64604097ef4617a34d4c0ebc67e886b9844a5154c4c05cd7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:50.531787Z","signature_b64":"x9LuGRjhrdhXGjBAQtOVtumLYF11wuV5q8C4KeWZAfhJfyJILwTLYVRhQTcfl5QtNA+D40d+FPDLSXio2jxoDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8f383b872dff9c64604097ef4617a34d4c0ebc67e886b9844a5154c4c05cd7f","last_reissued_at":"2026-05-18T00:43:50.531155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:50.531155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.05251","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":"2026-05-18T00:43:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wIctIeQZhxedUYaGc2rmBYZfhKKWHBnvprMIpHCxDkbzxnuYMhf1llJnRjNBTBtiYyj4YLhO9FT7NhIDR/W8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:36:43.537794Z"},"content_sha256":"1241fd2a13cca983ee45d49f6ba7ed6f4e9d3fa7a6cea2104fdb2647e1f5462e","schema_version":"1.0","event_id":"sha256:1241fd2a13cca983ee45d49f6ba7ed6f4e9d3fa7a6cea2104fdb2647e1f5462e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3DZYHODS3744MRQEBF7PIYL2GT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ejection of iron-bearing giant-impact fragments and the dynamical and geochemical influence of the fragment re-accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Hidenori Genda, Masahiro Ikoma, Takanori Sasaki, Tsuyoshi Iizuka, Yuichiro Ueno","submitted_at":"2017-04-18T09:43:33Z","abstract_excerpt":"The Earth was born in violence. Many giant collisions of protoplanets are thought to have occurred during the terrestrial planet formation. Here we investigated the giant impact stage by using a hybrid code that consistently deals with the orbital evolution of protoplanets around the Sun and the details of processes during giant impacts between two protoplanets. A significant amount of materials (up to several tens of percent of the total mass of the protoplanets) is ejected by giant impacts. We call these ejected fragments the giant-impact fragments (GIFs). In some of the erosive hit-and-run "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05251","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":"2026-05-18T00:43:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+Z3q6xEINNtmPMD7xBJXPcNKGPuRNSXT4san62TRAkVrzWjfeFGuYf3rFiO6P9sWUdySSfzdyk339KsXcFxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:36:43.538146Z"},"content_sha256":"fc77242af0f6b8659d2e0277a3921e2aa7687c2bac39c068acb9bdbb44d5cc10","schema_version":"1.0","event_id":"sha256:fc77242af0f6b8659d2e0277a3921e2aa7687c2bac39c068acb9bdbb44d5cc10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DZYHODS3744MRQEBF7PIYL2GT/bundle.json","state_url":"https://pith.science/pith/3DZYHODS3744MRQEBF7PIYL2GT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DZYHODS3744MRQEBF7PIYL2GT/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":"2026-06-02T03:36:43Z","links":{"resolver":"https://pith.science/pith/3DZYHODS3744MRQEBF7PIYL2GT","bundle":"https://pith.science/pith/3DZYHODS3744MRQEBF7PIYL2GT/bundle.json","state":"https://pith.science/pith/3DZYHODS3744MRQEBF7PIYL2GT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DZYHODS3744MRQEBF7PIYL2GT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3DZYHODS3744MRQEBF7PIYL2GT","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":"38a1b26b5837dd60e44d76cf928e3c15e778a673581050ae8d09386af443f4e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-18T09:43:33Z","title_canon_sha256":"91546bbfef18e701971939e02e65d2b936bb3d7b6075e70552133c2e385941e3"},"schema_version":"1.0","source":{"id":"1704.05251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05251","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05251v1","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05251","created_at":"2026-05-18T00:43:50Z"},{"alias_kind":"pith_short_12","alias_value":"3DZYHODS3744","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3DZYHODS3744MRQE","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3DZYHODS","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:fc77242af0f6b8659d2e0277a3921e2aa7687c2bac39c068acb9bdbb44d5cc10","target":"graph","created_at":"2026-05-18T00:43:50Z","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":"The Earth was born in violence. Many giant collisions of protoplanets are thought to have occurred during the terrestrial planet formation. Here we investigated the giant impact stage by using a hybrid code that consistently deals with the orbital evolution of protoplanets around the Sun and the details of processes during giant impacts between two protoplanets. A significant amount of materials (up to several tens of percent of the total mass of the protoplanets) is ejected by giant impacts. We call these ejected fragments the giant-impact fragments (GIFs). In some of the erosive hit-and-run ","authors_text":"Hidenori Genda, Masahiro Ikoma, Takanori Sasaki, Tsuyoshi Iizuka, Yuichiro Ueno","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-18T09:43:33Z","title":"Ejection of iron-bearing giant-impact fragments and the dynamical and geochemical influence of the fragment re-accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05251","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":"sha256:1241fd2a13cca983ee45d49f6ba7ed6f4e9d3fa7a6cea2104fdb2647e1f5462e","target":"record","created_at":"2026-05-18T00:43:50Z","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":"38a1b26b5837dd60e44d76cf928e3c15e778a673581050ae8d09386af443f4e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-18T09:43:33Z","title_canon_sha256":"91546bbfef18e701971939e02e65d2b936bb3d7b6075e70552133c2e385941e3"},"schema_version":"1.0","source":{"id":"1704.05251","kind":"arxiv","version":1}},"canonical_sha256":"d8f383b872dff9c64604097ef4617a34d4c0ebc67e886b9844a5154c4c05cd7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8f383b872dff9c64604097ef4617a34d4c0ebc67e886b9844a5154c4c05cd7f","first_computed_at":"2026-05-18T00:43:50.531155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:50.531155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x9LuGRjhrdhXGjBAQtOVtumLYF11wuV5q8C4KeWZAfhJfyJILwTLYVRhQTcfl5QtNA+D40d+FPDLSXio2jxoDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:50.531787Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.05251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1241fd2a13cca983ee45d49f6ba7ed6f4e9d3fa7a6cea2104fdb2647e1f5462e","sha256:fc77242af0f6b8659d2e0277a3921e2aa7687c2bac39c068acb9bdbb44d5cc10"],"state_sha256":"8ab333c3a31b464cdf011371f17da47df91955224921e1f073b9ce30fbd913cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VR76UxXov8ohgu17bUN7zCn8lho0zGJJu4hL0277hdRhffZZSPBbT8V4HDlohRfe+QTKy6ux1eU2XewRgCBUDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:36:43.541141Z","bundle_sha256":"5228fadf41ecaa4154437c98cedf2f00f94f49a46bb2ce2dda31df72a3399ec3"}}