{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:E42V4QB5RUAZZXZE6UFTM3K2O4","short_pith_number":"pith:E42V4QB5","canonical_record":{"source":{"id":"1607.05007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-18T10:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"a7148090109de738c59cc12d093af34dcfe2376fd69977df550a606da1ccd21a","abstract_canon_sha256":"5aa4caf30330c002afc4a948575edc866495e4b10a18c865d742887092c8d905"},"schema_version":"1.0"},"canonical_sha256":"27355e403d8d019cdf24f50b366d5a773a719f22beaba8fc5600359b3da93495","source":{"kind":"arxiv","id":"1607.05007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05007","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05007v2","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05007","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"E42V4QB5RUAZ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E42V4QB5RUAZZXZE","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E42V4QB5","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:E42V4QB5RUAZZXZE6UFTM3K2O4","target":"record","payload":{"canonical_record":{"source":{"id":"1607.05007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-18T10:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"a7148090109de738c59cc12d093af34dcfe2376fd69977df550a606da1ccd21a","abstract_canon_sha256":"5aa4caf30330c002afc4a948575edc866495e4b10a18c865d742887092c8d905"},"schema_version":"1.0"},"canonical_sha256":"27355e403d8d019cdf24f50b366d5a773a719f22beaba8fc5600359b3da93495","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:23.091796Z","signature_b64":"OAiEldK8jjT5pnEJhAgwwjphUpTBi+lOZEe5N+TUo5yw2wfkEg5lITPomJN1UMkvYhd8mYwRijDH/WWWH4AEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27355e403d8d019cdf24f50b366d5a773a719f22beaba8fc5600359b3da93495","last_reissued_at":"2026-05-18T01:01:23.091142Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:23.091142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.05007","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":"2026-05-18T01:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ibt5A/jYepshvXtgR2z2+NRrrCgycMaCRXBo6V376Qk4fpvNYtayhgQ6sbD0pRM3Qxf8NPzUULU5NXfnc6C8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:17:03.371179Z"},"content_sha256":"7065f8df37f589d9392f2ce1e9f4feb477dcd60306c599b4324bb1d77d2bdea3","schema_version":"1.0","event_id":"sha256:7065f8df37f589d9392f2ce1e9f4feb477dcd60306c599b4324bb1d77d2bdea3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:E42V4QB5RUAZZXZE6UFTM3K2O4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast generation of weak lensing maps by the inverse-Gaussianization method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Pengjie Zhang, Yipeng Jing, Yu Yu","submitted_at":"2016-07-18T10:45:58Z","abstract_excerpt":"To take full advantage of the unprecedented power of upcoming weak lensing surveys, understanding the noise, such as cosmic variance and geometry/mask effects, is as important as understanding the signal itself. Accurately quantifying the noise requires a large number of statistically independent mocks for a variety of cosmologies. This is impractical for weak lensing simulations, which are costly for simultaneous requirements of large box size (to cover a significant fraction of the past light cone) and high resolution (to robustly probe the small scale where most lensing signal resides). The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05007","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":"2026-05-18T01:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NFPKqsRunV0kfHdeORAXjjkTLqnmOAM/kQ3+loIzMyzSgqd31G8qv+b4ZpKW2RcZUHhX4eLacjFiAu1x7Is9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:17:03.371627Z"},"content_sha256":"31f757d83f4d64d07ae9e87306f1a1781a8f19b765a22287cdfe8ae02d6c8dd1","schema_version":"1.0","event_id":"sha256:31f757d83f4d64d07ae9e87306f1a1781a8f19b765a22287cdfe8ae02d6c8dd1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/bundle.json","state_url":"https://pith.science/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/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":"2026-05-30T14:17:03Z","links":{"resolver":"https://pith.science/pith/E42V4QB5RUAZZXZE6UFTM3K2O4","bundle":"https://pith.science/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/bundle.json","state":"https://pith.science/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E42V4QB5RUAZZXZE6UFTM3K2O4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:E42V4QB5RUAZZXZE6UFTM3K2O4","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":"5aa4caf30330c002afc4a948575edc866495e4b10a18c865d742887092c8d905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-18T10:45:58Z","title_canon_sha256":"a7148090109de738c59cc12d093af34dcfe2376fd69977df550a606da1ccd21a"},"schema_version":"1.0","source":{"id":"1607.05007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05007","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05007v2","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05007","created_at":"2026-05-18T01:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"E42V4QB5RUAZ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E42V4QB5RUAZZXZE","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E42V4QB5","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:31f757d83f4d64d07ae9e87306f1a1781a8f19b765a22287cdfe8ae02d6c8dd1","target":"graph","created_at":"2026-05-18T01:01:23Z","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":"To take full advantage of the unprecedented power of upcoming weak lensing surveys, understanding the noise, such as cosmic variance and geometry/mask effects, is as important as understanding the signal itself. Accurately quantifying the noise requires a large number of statistically independent mocks for a variety of cosmologies. This is impractical for weak lensing simulations, which are costly for simultaneous requirements of large box size (to cover a significant fraction of the past light cone) and high resolution (to robustly probe the small scale where most lensing signal resides). The","authors_text":"Pengjie Zhang, Yipeng Jing, Yu Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-18T10:45:58Z","title":"Fast generation of weak lensing maps by the inverse-Gaussianization method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05007","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":"sha256:7065f8df37f589d9392f2ce1e9f4feb477dcd60306c599b4324bb1d77d2bdea3","target":"record","created_at":"2026-05-18T01:01:23Z","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":"5aa4caf30330c002afc4a948575edc866495e4b10a18c865d742887092c8d905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-18T10:45:58Z","title_canon_sha256":"a7148090109de738c59cc12d093af34dcfe2376fd69977df550a606da1ccd21a"},"schema_version":"1.0","source":{"id":"1607.05007","kind":"arxiv","version":2}},"canonical_sha256":"27355e403d8d019cdf24f50b366d5a773a719f22beaba8fc5600359b3da93495","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27355e403d8d019cdf24f50b366d5a773a719f22beaba8fc5600359b3da93495","first_computed_at":"2026-05-18T01:01:23.091142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:23.091142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OAiEldK8jjT5pnEJhAgwwjphUpTBi+lOZEe5N+TUo5yw2wfkEg5lITPomJN1UMkvYhd8mYwRijDH/WWWH4AEAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:23.091796Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.05007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7065f8df37f589d9392f2ce1e9f4feb477dcd60306c599b4324bb1d77d2bdea3","sha256:31f757d83f4d64d07ae9e87306f1a1781a8f19b765a22287cdfe8ae02d6c8dd1"],"state_sha256":"e16c02fcc8a311491a668c1820179b4423ccd4fbcbad3a88797598ac85273629"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAlkQqZPJMKIQxHEmiUZy1qu1Y0eOka6paeKPIuU50Ma8pD9ovrMK7PiUoHYGXc6gUny8jIb8OnQamfBqrjRCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:17:03.373852Z","bundle_sha256":"d9c113d5f056f65dff32fdda476c4798b2d30826e791163304e6fcfac8649508"}}