{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:RN35UBC4LE46V464KSKIB4RT33","short_pith_number":"pith:RN35UBC4","canonical_record":{"source":{"id":"1409.6549","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-23T14:19:07Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"6b6f9cf4241a7f57316a394d2114117bb961e449ed54cda1a45f148cc2797296","abstract_canon_sha256":"9c83a6cda779ff09a16176749ae34d4df3462ac0175b715b0ca4038eae68c618"},"schema_version":"1.0"},"canonical_sha256":"8b77da045c5939eaf3dc549480f233dec219cceb2309e1d6d1d3865830988c3b","source":{"kind":"arxiv","id":"1409.6549","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6549","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6549v2","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6549","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"RN35UBC4LE46","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RN35UBC4LE46V464","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RN35UBC4","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:RN35UBC4LE46V464KSKIB4RT33","target":"record","payload":{"canonical_record":{"source":{"id":"1409.6549","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-23T14:19:07Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"6b6f9cf4241a7f57316a394d2114117bb961e449ed54cda1a45f148cc2797296","abstract_canon_sha256":"9c83a6cda779ff09a16176749ae34d4df3462ac0175b715b0ca4038eae68c618"},"schema_version":"1.0"},"canonical_sha256":"8b77da045c5939eaf3dc549480f233dec219cceb2309e1d6d1d3865830988c3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:45.806945Z","signature_b64":"ag1z1w/khBTjhxEBH8uGM+QJteJ7np2c2YFSHw8iBCDmfEzMrssZ0HhURThw5S3GqXAMy/KvwQcMkav6Ah+yCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b77da045c5939eaf3dc549480f233dec219cceb2309e1d6d1d3865830988c3b","last_reissued_at":"2026-05-18T02:32:45.806439Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:45.806439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.6549","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":"2026-05-18T02:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CX+LvSTWgnU5EgkBtxsJfLD3fG6D/A43iC9fu6TqE6K50P6MQzKcZ7qMNAy8uievbU4P5jQS54/XSeI2PbsqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:53:21.034846Z"},"content_sha256":"5d2198893565abafb1395aece1645e7b26c7a2a152d90f5df0fc844966882f27","schema_version":"1.0","event_id":"sha256:5d2198893565abafb1395aece1645e7b26c7a2a152d90f5df0fc844966882f27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:RN35UBC4LE46V464KSKIB4RT33","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Relativistic view on large scale N-body simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Cornelius Rampf, Gerasimos Rigopoulos, Wessel Valkenburg","submitted_at":"2014-09-23T14:19:07Z","abstract_excerpt":"We discuss the relation between the output of Newtonian N-body simulations on scales that approach or exceed the particle horizon to the description of General Relativity. At leading order, the Zeldovich approximation is correct on large scales, coinciding with the General Relativistic result. At second order in the initial metric potential, the trajectories of particles deviate from the second order Newtonian result and hence the validity of 2LPT initial conditions should be reassessed when used in very large simulations. We also advocate using the expression for the synchronous gauge density"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6549","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":"2026-05-18T02:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykO0p+p8HrolG/6xklza8Ct0ZYMf1YPS1+GntnQ8QK/fAWQG3/XvDqKAIDyMtnAkug9OUezhPXvgzoy1uyyvAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:53:21.035188Z"},"content_sha256":"a094480b4907139a47523a6e5ff187e3443c44d021246ffb13620518aa25d96d","schema_version":"1.0","event_id":"sha256:a094480b4907139a47523a6e5ff187e3443c44d021246ffb13620518aa25d96d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RN35UBC4LE46V464KSKIB4RT33/bundle.json","state_url":"https://pith.science/pith/RN35UBC4LE46V464KSKIB4RT33/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RN35UBC4LE46V464KSKIB4RT33/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":"2026-06-27T10:53:21Z","links":{"resolver":"https://pith.science/pith/RN35UBC4LE46V464KSKIB4RT33","bundle":"https://pith.science/pith/RN35UBC4LE46V464KSKIB4RT33/bundle.json","state":"https://pith.science/pith/RN35UBC4LE46V464KSKIB4RT33/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RN35UBC4LE46V464KSKIB4RT33/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:RN35UBC4LE46V464KSKIB4RT33","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":"9c83a6cda779ff09a16176749ae34d4df3462ac0175b715b0ca4038eae68c618","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-23T14:19:07Z","title_canon_sha256":"6b6f9cf4241a7f57316a394d2114117bb961e449ed54cda1a45f148cc2797296"},"schema_version":"1.0","source":{"id":"1409.6549","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6549","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6549v2","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6549","created_at":"2026-05-18T02:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"RN35UBC4LE46","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RN35UBC4LE46V464","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RN35UBC4","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:a094480b4907139a47523a6e5ff187e3443c44d021246ffb13620518aa25d96d","target":"graph","created_at":"2026-05-18T02:32:45Z","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":"We discuss the relation between the output of Newtonian N-body simulations on scales that approach or exceed the particle horizon to the description of General Relativity. At leading order, the Zeldovich approximation is correct on large scales, coinciding with the General Relativistic result. At second order in the initial metric potential, the trajectories of particles deviate from the second order Newtonian result and hence the validity of 2LPT initial conditions should be reassessed when used in very large simulations. We also advocate using the expression for the synchronous gauge density","authors_text":"Cornelius Rampf, Gerasimos Rigopoulos, Wessel Valkenburg","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-23T14:19:07Z","title":"A Relativistic view on large scale N-body simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6549","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":"sha256:5d2198893565abafb1395aece1645e7b26c7a2a152d90f5df0fc844966882f27","target":"record","created_at":"2026-05-18T02:32:45Z","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":"9c83a6cda779ff09a16176749ae34d4df3462ac0175b715b0ca4038eae68c618","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-09-23T14:19:07Z","title_canon_sha256":"6b6f9cf4241a7f57316a394d2114117bb961e449ed54cda1a45f148cc2797296"},"schema_version":"1.0","source":{"id":"1409.6549","kind":"arxiv","version":2}},"canonical_sha256":"8b77da045c5939eaf3dc549480f233dec219cceb2309e1d6d1d3865830988c3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b77da045c5939eaf3dc549480f233dec219cceb2309e1d6d1d3865830988c3b","first_computed_at":"2026-05-18T02:32:45.806439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:45.806439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ag1z1w/khBTjhxEBH8uGM+QJteJ7np2c2YFSHw8iBCDmfEzMrssZ0HhURThw5S3GqXAMy/KvwQcMkav6Ah+yCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:45.806945Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.6549","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d2198893565abafb1395aece1645e7b26c7a2a152d90f5df0fc844966882f27","sha256:a094480b4907139a47523a6e5ff187e3443c44d021246ffb13620518aa25d96d"],"state_sha256":"eb9a11c0e15b5a61305027d9b320f362446352a8ac41bd4c8aff17eb35d95d97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5JiMvJeeQr0fnOPXxySYWeM09vwvYBg0sIT6owF6S5ypJi9Jji8WqUMSEFfftQH/ZRd5rY6PEAbhYF6KE8JkDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T10:53:21.037453Z","bundle_sha256":"17aa3b57e3dbb017e52a7dfb2f34b751c254686a875c69ccbf1b4c8480bc649d"}}