{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:CKOJYLASOHTJHA3HJZNSMXHWZ6","short_pith_number":"pith:CKOJYLAS","canonical_record":{"source":{"id":"1310.7463","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T15:41:14Z","cross_cats_sorted":[],"title_canon_sha256":"0b27c190dedad9c77e5d9d7ce0f96b82d86c5c4bc2fd0eb43cd9aaaf32bfb26e","abstract_canon_sha256":"55ea4ea8b66b00de15419adae0df55b819e6ef37b91a212b1dda956e2af0c66b"},"schema_version":"1.0"},"canonical_sha256":"129c9c2c1271e69383674e5b265cf6cf954ed3618dcde9698f18bd919b23b9ea","source":{"kind":"arxiv","id":"1310.7463","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7463","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7463v1","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7463","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"pith_short_12","alias_value":"CKOJYLASOHTJ","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CKOJYLASOHTJHA3H","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CKOJYLAS","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:CKOJYLASOHTJHA3HJZNSMXHWZ6","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7463","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T15:41:14Z","cross_cats_sorted":[],"title_canon_sha256":"0b27c190dedad9c77e5d9d7ce0f96b82d86c5c4bc2fd0eb43cd9aaaf32bfb26e","abstract_canon_sha256":"55ea4ea8b66b00de15419adae0df55b819e6ef37b91a212b1dda956e2af0c66b"},"schema_version":"1.0"},"canonical_sha256":"129c9c2c1271e69383674e5b265cf6cf954ed3618dcde9698f18bd919b23b9ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:08.275198Z","signature_b64":"lZ2WGMT8cApKogfJv7bwRVHM28Bu4qlUDkImyrRm06/11d37KVgNC9/4yKSFiMDuPA1mBaOiGINmUxjUYIubAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"129c9c2c1271e69383674e5b265cf6cf954ed3618dcde9698f18bd919b23b9ea","last_reissued_at":"2026-05-18T02:57:08.274704Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:08.274704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7463","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":"2026-05-18T02:57:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"niLTJ7sBc7qRzQY20BkZFtucJfMpCAz1ufeFJLRsseUGCKPALiQJjDepykQtNku/I1uCHln8PL/pMk1YnbckCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T15:04:40.747200Z"},"content_sha256":"388b97c266667efe351d7900c589596405520ab62fa60da2ae95f37ceb2ec3cd","schema_version":"1.0","event_id":"sha256:388b97c266667efe351d7900c589596405520ab62fa60da2ae95f37ceb2ec3cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:CKOJYLASOHTJHA3HJZNSMXHWZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating cosmic reionization: How large a volume is large enough?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Austin), Garrelt Mellema (Stockholm U), Ilian T. Iliev (Sussex U), Kyungjin Ahn (Chosun U), Paul R. Shapiro (U Texas, Ue-Li Pen (CITA), Yi Mao (IAP)","submitted_at":"2013-10-28T15:41:14Z","abstract_excerpt":"We present the largest-volume (425 Mpc/h=607 Mpc on a side) full radiative transfer simulation of cosmic reionization to date. We show that there is significant additional power in density fluctuations at very large scales. We systematically investigate the effects this additional power has on the progress, duration and features of reionization, as well as on selected reionization observables. We find that comoving simulation volume of ~100 Mpc/h per side is sufficient for deriving a convergent mean reionization history, but that the reionization patchiness is significantly underestimated. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7463","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":"2026-05-18T02:57:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NV3Qg5ObeYCxfJneaovR5Y8HJ9Mc1gu7BFRF9BWArD8TtfJhxWifb4RGutDcV29jsIYbFcHbtymW+/3dVkgWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T15:04:40.747574Z"},"content_sha256":"027602a7a46d2b5c1663755da77948000363266dd54b8b398e325d0c1ca03bbd","schema_version":"1.0","event_id":"sha256:027602a7a46d2b5c1663755da77948000363266dd54b8b398e325d0c1ca03bbd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/bundle.json","state_url":"https://pith.science/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/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":"2026-05-21T15:04:40Z","links":{"resolver":"https://pith.science/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6","bundle":"https://pith.science/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/bundle.json","state":"https://pith.science/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKOJYLASOHTJHA3HJZNSMXHWZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CKOJYLASOHTJHA3HJZNSMXHWZ6","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":"55ea4ea8b66b00de15419adae0df55b819e6ef37b91a212b1dda956e2af0c66b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T15:41:14Z","title_canon_sha256":"0b27c190dedad9c77e5d9d7ce0f96b82d86c5c4bc2fd0eb43cd9aaaf32bfb26e"},"schema_version":"1.0","source":{"id":"1310.7463","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7463","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7463v1","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7463","created_at":"2026-05-18T02:57:08Z"},{"alias_kind":"pith_short_12","alias_value":"CKOJYLASOHTJ","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CKOJYLASOHTJHA3H","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CKOJYLAS","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:027602a7a46d2b5c1663755da77948000363266dd54b8b398e325d0c1ca03bbd","target":"graph","created_at":"2026-05-18T02:57:08Z","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 present the largest-volume (425 Mpc/h=607 Mpc on a side) full radiative transfer simulation of cosmic reionization to date. We show that there is significant additional power in density fluctuations at very large scales. We systematically investigate the effects this additional power has on the progress, duration and features of reionization, as well as on selected reionization observables. We find that comoving simulation volume of ~100 Mpc/h per side is sufficient for deriving a convergent mean reionization history, but that the reionization patchiness is significantly underestimated. We ","authors_text":"Austin), Garrelt Mellema (Stockholm U), Ilian T. Iliev (Sussex U), Kyungjin Ahn (Chosun U), Paul R. Shapiro (U Texas, Ue-Li Pen (CITA), Yi Mao (IAP)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T15:41:14Z","title":"Simulating cosmic reionization: How large a volume is large enough?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7463","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":"sha256:388b97c266667efe351d7900c589596405520ab62fa60da2ae95f37ceb2ec3cd","target":"record","created_at":"2026-05-18T02:57:08Z","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":"55ea4ea8b66b00de15419adae0df55b819e6ef37b91a212b1dda956e2af0c66b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T15:41:14Z","title_canon_sha256":"0b27c190dedad9c77e5d9d7ce0f96b82d86c5c4bc2fd0eb43cd9aaaf32bfb26e"},"schema_version":"1.0","source":{"id":"1310.7463","kind":"arxiv","version":1}},"canonical_sha256":"129c9c2c1271e69383674e5b265cf6cf954ed3618dcde9698f18bd919b23b9ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"129c9c2c1271e69383674e5b265cf6cf954ed3618dcde9698f18bd919b23b9ea","first_computed_at":"2026-05-18T02:57:08.274704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:08.274704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lZ2WGMT8cApKogfJv7bwRVHM28Bu4qlUDkImyrRm06/11d37KVgNC9/4yKSFiMDuPA1mBaOiGINmUxjUYIubAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:08.275198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7463","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:388b97c266667efe351d7900c589596405520ab62fa60da2ae95f37ceb2ec3cd","sha256:027602a7a46d2b5c1663755da77948000363266dd54b8b398e325d0c1ca03bbd"],"state_sha256":"f371004748c4b16f666671644a9223a36e47b7c97c19a5bd340acdeb0b6fa218"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wKcEbsFxOSw8wDzqGMQa7LDrvFwTFEjq7GXR2+R54Fub42DB1+BUeGc0zq9JijEJAF1nG+v2JsssvoCp7glQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T15:04:40.749720Z","bundle_sha256":"4776b4e86c4e256b6a01a96296eea3daa9f4918a000b2006a1abae8d35599d53"}}