{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LC3QND62DNHFRR6CFGCR26YTMY","short_pith_number":"pith:LC3QND62","canonical_record":{"source":{"id":"1109.5639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T17:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"bb33d46567d25da41741f990fc479558c96bdd36dd3699329e9c9267301aa28a","abstract_canon_sha256":"96693a3a1bbb37ea40182539b545a2ef3d6a45895a6ac00d42da0b0ea6473fdf"},"schema_version":"1.0"},"canonical_sha256":"58b7068fda1b4e58c7c229851d7b13660812cc094304275270ac97eaa52ede8c","source":{"kind":"arxiv","id":"1109.5639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5639","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5639v1","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5639","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"LC3QND62DNHF","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LC3QND62DNHFRR6C","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LC3QND62","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LC3QND62DNHFRR6CFGCR26YTMY","target":"record","payload":{"canonical_record":{"source":{"id":"1109.5639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T17:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"bb33d46567d25da41741f990fc479558c96bdd36dd3699329e9c9267301aa28a","abstract_canon_sha256":"96693a3a1bbb37ea40182539b545a2ef3d6a45895a6ac00d42da0b0ea6473fdf"},"schema_version":"1.0"},"canonical_sha256":"58b7068fda1b4e58c7c229851d7b13660812cc094304275270ac97eaa52ede8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:23.363964Z","signature_b64":"JnQucJ0R8PI8VJaW03Cq6u12KXybs++Ml4Cvz1NT+sIHu+CfpM6znQhoWdZFRX9gFmpCDVXO7TlYkHV9kujJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58b7068fda1b4e58c7c229851d7b13660812cc094304275270ac97eaa52ede8c","last_reissued_at":"2026-05-18T02:00:23.363283Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:23.363283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.5639","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":"2026-05-18T02:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cHaYHoTFG/G1vyE5wUbX+q88pI07wp6yLUFU2p+JY9c20vNMlGwrpVHLjIRiyr+s8buy8c/9qAVfUMkQTC7UBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:34:03.922246Z"},"content_sha256":"8f5fdffcd4dfdaa814bbeda9a85cdd740f0bee36c43de5ae433e2d42fdd828af","schema_version":"1.0","event_id":"sha256:8f5fdffcd4dfdaa814bbeda9a85cdd740f0bee36c43de5ae433e2d42fdd828af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LC3QND62DNHFRR6CFGCR26YTMY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Energy from the log-transformed convergence field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Hee-Jong Seo, Masahiro Takada, Masanori Sato, Scott Dodelson","submitted_at":"2011-09-26T17:02:03Z","abstract_excerpt":"A logarithmic transform of the convergence field improves `the information content', ie., the overall precision associated with the measurement of the amplitude of the convergence power spectrum by improving the covariance matrix properties. The translation of this improvement in the information content to that in cosmological parameters, such as those associated with dark energy, requires knowing the sensitivity of the log-transformed field to those cosmological parameters. In this paper we use N-body simulations with ray tracing to generate convergence fields at multiple source redshifts as "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5639","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":"2026-05-18T02:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgg+BT8LXsDL7en5euiz2/rtXPt8Fsev2d511OtvLdXcIQtctcQNfEVyGD439p5/ma79ObXkr+pe8zWnYtrfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:34:03.923007Z"},"content_sha256":"ceaa5da075f33b66defb766dba9fb59de615358ddcf3f38c443864f85a72e856","schema_version":"1.0","event_id":"sha256:ceaa5da075f33b66defb766dba9fb59de615358ddcf3f38c443864f85a72e856"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LC3QND62DNHFRR6CFGCR26YTMY/bundle.json","state_url":"https://pith.science/pith/LC3QND62DNHFRR6CFGCR26YTMY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LC3QND62DNHFRR6CFGCR26YTMY/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":"2026-05-31T07:34:03Z","links":{"resolver":"https://pith.science/pith/LC3QND62DNHFRR6CFGCR26YTMY","bundle":"https://pith.science/pith/LC3QND62DNHFRR6CFGCR26YTMY/bundle.json","state":"https://pith.science/pith/LC3QND62DNHFRR6CFGCR26YTMY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LC3QND62DNHFRR6CFGCR26YTMY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LC3QND62DNHFRR6CFGCR26YTMY","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":"96693a3a1bbb37ea40182539b545a2ef3d6a45895a6ac00d42da0b0ea6473fdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T17:02:03Z","title_canon_sha256":"bb33d46567d25da41741f990fc479558c96bdd36dd3699329e9c9267301aa28a"},"schema_version":"1.0","source":{"id":"1109.5639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5639","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5639v1","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5639","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"LC3QND62DNHF","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LC3QND62DNHFRR6C","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LC3QND62","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:ceaa5da075f33b66defb766dba9fb59de615358ddcf3f38c443864f85a72e856","target":"graph","created_at":"2026-05-18T02:00:23Z","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":"A logarithmic transform of the convergence field improves `the information content', ie., the overall precision associated with the measurement of the amplitude of the convergence power spectrum by improving the covariance matrix properties. The translation of this improvement in the information content to that in cosmological parameters, such as those associated with dark energy, requires knowing the sensitivity of the log-transformed field to those cosmological parameters. In this paper we use N-body simulations with ray tracing to generate convergence fields at multiple source redshifts as ","authors_text":"Hee-Jong Seo, Masahiro Takada, Masanori Sato, Scott Dodelson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T17:02:03Z","title":"Dark Energy from the log-transformed convergence field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5639","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":"sha256:8f5fdffcd4dfdaa814bbeda9a85cdd740f0bee36c43de5ae433e2d42fdd828af","target":"record","created_at":"2026-05-18T02:00:23Z","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":"96693a3a1bbb37ea40182539b545a2ef3d6a45895a6ac00d42da0b0ea6473fdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T17:02:03Z","title_canon_sha256":"bb33d46567d25da41741f990fc479558c96bdd36dd3699329e9c9267301aa28a"},"schema_version":"1.0","source":{"id":"1109.5639","kind":"arxiv","version":1}},"canonical_sha256":"58b7068fda1b4e58c7c229851d7b13660812cc094304275270ac97eaa52ede8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58b7068fda1b4e58c7c229851d7b13660812cc094304275270ac97eaa52ede8c","first_computed_at":"2026-05-18T02:00:23.363283Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:23.363283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JnQucJ0R8PI8VJaW03Cq6u12KXybs++Ml4Cvz1NT+sIHu+CfpM6znQhoWdZFRX9gFmpCDVXO7TlYkHV9kujJDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:23.363964Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f5fdffcd4dfdaa814bbeda9a85cdd740f0bee36c43de5ae433e2d42fdd828af","sha256:ceaa5da075f33b66defb766dba9fb59de615358ddcf3f38c443864f85a72e856"],"state_sha256":"5866a74190410c85c71375dfc6d6a575da7375972eccafc8e0dc599fa45c5455"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7uK1BQFI0SEXcw0PSQyrcWxoeBc2mQiPMMsSZR2l/BgqmYmKr1gkGn2DU/q1qMZvGMEvcmwyldntgSjBPiqECg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T07:34:03.927232Z","bundle_sha256":"fda8db19c5ebd4b999fa3703f1379d2964a3a3663592e9b761217f11b2a12363"}}