{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ABB4J4JTTQGR7R2UK3XTUVKFLW","short_pith_number":"pith:ABB4J4JT","canonical_record":{"source":{"id":"1111.4466","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:14:21Z","cross_cats_sorted":[],"title_canon_sha256":"d5226ba982bcba0081a25590fe75fb050b0f06ddfd139eff751ace0b5e2abee3","abstract_canon_sha256":"530f4fa40a086f38267366ed09fc19f84ccfa6df9e6d014959be53a95ab85698"},"schema_version":"1.0"},"canonical_sha256":"0043c4f1339c0d1fc75456ef3a55455db26fc48c0cb3faf1e22c65f26d65e225","source":{"kind":"arxiv","id":"1111.4466","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4466","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4466v2","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4466","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"ABB4J4JTTQGR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ABB4J4JTTQGR7R2U","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ABB4J4JT","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ABB4J4JTTQGR7R2UK3XTUVKFLW","target":"record","payload":{"canonical_record":{"source":{"id":"1111.4466","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:14:21Z","cross_cats_sorted":[],"title_canon_sha256":"d5226ba982bcba0081a25590fe75fb050b0f06ddfd139eff751ace0b5e2abee3","abstract_canon_sha256":"530f4fa40a086f38267366ed09fc19f84ccfa6df9e6d014959be53a95ab85698"},"schema_version":"1.0"},"canonical_sha256":"0043c4f1339c0d1fc75456ef3a55455db26fc48c0cb3faf1e22c65f26d65e225","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:28.684241Z","signature_b64":"OeJZL2yo4rZyWBEdZCElaYM/PxLsXXEllNz25eW7txXiOvi0VlFIwowS9qFi7/kULSNgZzMOsWr93WjXfyqZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0043c4f1339c0d1fc75456ef3a55455db26fc48c0cb3faf1e22c65f26d65e225","last_reissued_at":"2026-05-18T02:21:28.683526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:28.683526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.4466","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":"2026-05-18T02:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q3R2j2Tuerks8Ee5jqOqAcrB2DhsyRwrqweA9ov8GKejUbD8vZD+xxnMc1ckNtcAGuYxE/tlQXvKKFdXC8QSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:39:00.700845Z"},"content_sha256":"ebc4ddf2a384993fed29037277d16839f7131705cf232ffd092056ff6859682c","schema_version":"1.0","event_id":"sha256:ebc4ddf2a384993fed29037277d16839f7131705cf232ffd092056ff6859682c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ABB4J4JTTQGR7R2UK3XTUVKFLW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Straightening the Density-Displacement Relation with a Logarithmic Transform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alexander S. Szalay, Bridget L. Falck, Guilhem Lavaux, Mark C. Neyrinck, Miguel A. Aragon-Calvo","submitted_at":"2011-11-18T20:14:21Z","abstract_excerpt":"We investigate the use of a logarithmic density variable in estimating the Lagrangian displacement field, motivated by the success of a logarithmic transformation in restoring information to the matter power spectrum. The logarithmic relation is an extension of the linear relation, motivated by the continuity equation, in which the density field is assumed to be proportional to the divergence of the displacement field; we compare the linear and logarithmic relations by measuring both of these fields directly in a cosmological N-body simulation. The relative success of the logarithmic and linea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4466","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":"2026-05-18T02:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9RAEnTHaxPxNlDnpjnp+rR3LmlpPPvyyPvj+DJ6OBkJxVmaPX8IZOAUycMtSvO2aOQauNp4ferHeWtq9U81JBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:39:00.701458Z"},"content_sha256":"ed3944c1cb24708dda23018339fa18ec32d9de117a6d05f7ddf4018d4a0e962d","schema_version":"1.0","event_id":"sha256:ed3944c1cb24708dda23018339fa18ec32d9de117a6d05f7ddf4018d4a0e962d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/bundle.json","state_url":"https://pith.science/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/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":"2026-05-25T20:39:00Z","links":{"resolver":"https://pith.science/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW","bundle":"https://pith.science/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/bundle.json","state":"https://pith.science/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABB4J4JTTQGR7R2UK3XTUVKFLW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ABB4J4JTTQGR7R2UK3XTUVKFLW","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":"530f4fa40a086f38267366ed09fc19f84ccfa6df9e6d014959be53a95ab85698","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:14:21Z","title_canon_sha256":"d5226ba982bcba0081a25590fe75fb050b0f06ddfd139eff751ace0b5e2abee3"},"schema_version":"1.0","source":{"id":"1111.4466","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4466","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4466v2","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4466","created_at":"2026-05-18T02:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"ABB4J4JTTQGR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ABB4J4JTTQGR7R2U","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ABB4J4JT","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:ed3944c1cb24708dda23018339fa18ec32d9de117a6d05f7ddf4018d4a0e962d","target":"graph","created_at":"2026-05-18T02:21:28Z","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 investigate the use of a logarithmic density variable in estimating the Lagrangian displacement field, motivated by the success of a logarithmic transformation in restoring information to the matter power spectrum. The logarithmic relation is an extension of the linear relation, motivated by the continuity equation, in which the density field is assumed to be proportional to the divergence of the displacement field; we compare the linear and logarithmic relations by measuring both of these fields directly in a cosmological N-body simulation. The relative success of the logarithmic and linea","authors_text":"Alexander S. Szalay, Bridget L. Falck, Guilhem Lavaux, Mark C. Neyrinck, Miguel A. Aragon-Calvo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:14:21Z","title":"Straightening the Density-Displacement Relation with a Logarithmic Transform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4466","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:ebc4ddf2a384993fed29037277d16839f7131705cf232ffd092056ff6859682c","target":"record","created_at":"2026-05-18T02:21:28Z","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":"530f4fa40a086f38267366ed09fc19f84ccfa6df9e6d014959be53a95ab85698","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:14:21Z","title_canon_sha256":"d5226ba982bcba0081a25590fe75fb050b0f06ddfd139eff751ace0b5e2abee3"},"schema_version":"1.0","source":{"id":"1111.4466","kind":"arxiv","version":2}},"canonical_sha256":"0043c4f1339c0d1fc75456ef3a55455db26fc48c0cb3faf1e22c65f26d65e225","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0043c4f1339c0d1fc75456ef3a55455db26fc48c0cb3faf1e22c65f26d65e225","first_computed_at":"2026-05-18T02:21:28.683526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:28.683526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OeJZL2yo4rZyWBEdZCElaYM/PxLsXXEllNz25eW7txXiOvi0VlFIwowS9qFi7/kULSNgZzMOsWr93WjXfyqZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:28.684241Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.4466","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebc4ddf2a384993fed29037277d16839f7131705cf232ffd092056ff6859682c","sha256:ed3944c1cb24708dda23018339fa18ec32d9de117a6d05f7ddf4018d4a0e962d"],"state_sha256":"605b6403503b216e747add1c2c8a738868e00ff05beba2cc8495ebaf49919276"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"maiKk7s8UwemSjeaC+mj6FibKswTVa8nOgYmR97cAa2IIs7mzfUuA4Fl6hF9tgrCBNbGtVN7d2MLpL7Q3uflDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:39:00.704909Z","bundle_sha256":"1c58039940744269dcafcabcd5aa48597d6c13bfffa4a42787064e2db111cdd6"}}