{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:RYOEMNLUHB333TV7HZHVMNLE5O","short_pith_number":"pith:RYOEMNLU","canonical_record":{"source":{"id":"1401.0537","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-02T21:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"d733f143736ecbd2eb69112c2202ead5edf05d37a5bd624954982f2ef2809eb6","abstract_canon_sha256":"abb2fea0183d1c15a5b2b2e5ea2031c1c76310e2ef795cc265a7c2bcc8fed376"},"schema_version":"1.0"},"canonical_sha256":"8e1c4635743877bdcebf3e4f563564eb8f940784d402d40cd595fe7c16ef08d6","source":{"kind":"arxiv","id":"1401.0537","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0537","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0537v1","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0537","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"pith_short_12","alias_value":"RYOEMNLUHB33","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RYOEMNLUHB333TV7","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RYOEMNLU","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:RYOEMNLUHB333TV7HZHVMNLE5O","target":"record","payload":{"canonical_record":{"source":{"id":"1401.0537","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-02T21:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"d733f143736ecbd2eb69112c2202ead5edf05d37a5bd624954982f2ef2809eb6","abstract_canon_sha256":"abb2fea0183d1c15a5b2b2e5ea2031c1c76310e2ef795cc265a7c2bcc8fed376"},"schema_version":"1.0"},"canonical_sha256":"8e1c4635743877bdcebf3e4f563564eb8f940784d402d40cd595fe7c16ef08d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:34.373260Z","signature_b64":"l9qhsydOLdxOzPvkRr0F43CsbAnZ42S1UvsUoGhRqXkuDIB2yMF3MIpmbWMcf1UAZILlpOYDixGNx9Qs1g8mBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e1c4635743877bdcebf3e4f563564eb8f940784d402d40cd595fe7c16ef08d6","last_reissued_at":"2026-05-18T01:45:34.372766Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:34.372766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.0537","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":"2026-05-18T01:45:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DHhFaiQC4/M25PKo80nff1iOXSLAiL9M3zZVZ6kBOyTjpqogohR8+ecOAaRr18PZHDaj3oLuMBmKdZoSpferDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:46:11.093216Z"},"content_sha256":"8d2244399f31519038babd7a97cce34374f31236677b80d6d9b3b45d684b4ba1","schema_version":"1.0","event_id":"sha256:8d2244399f31519038babd7a97cce34374f31236677b80d6d9b3b45d684b4ba1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:RYOEMNLUHB333TV7HZHVMNLE5O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing Dark Energy with Lensing Magnification in Photometric Surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Michael D. Schneider","submitted_at":"2014-01-02T21:00:07Z","abstract_excerpt":"I present an estimator for the angular cross-correlation of two tracers of the cosmological large-scale structure that utilizes redshift information to isolate separate physical contributions. The estimator is derived by solving the Limber equation for a re-weighting of the foreground tracer that nulls either clustering or lensing contributions to the cross-correlation function. Applied to future photometric surveys, the estimator can enhance the measurement of gravitational lensing magnification effects to provide a competitive independent constraint on the dark energy equation of state."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0537","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":"2026-05-18T01:45:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oQHmqktnrU5Qa41BghA55RUNefrZkEtx8jltGOBKNTW6gAzaA+aT+z1Keqmtx+lxi4xixhYSyNGG4XH/nErOCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:46:11.093853Z"},"content_sha256":"4c5d5ad7417c3dcd402fa2873b87aad11f9e169ebe37154f359006cff65a392a","schema_version":"1.0","event_id":"sha256:4c5d5ad7417c3dcd402fa2873b87aad11f9e169ebe37154f359006cff65a392a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RYOEMNLUHB333TV7HZHVMNLE5O/bundle.json","state_url":"https://pith.science/pith/RYOEMNLUHB333TV7HZHVMNLE5O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RYOEMNLUHB333TV7HZHVMNLE5O/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":"2026-05-29T21:46:11Z","links":{"resolver":"https://pith.science/pith/RYOEMNLUHB333TV7HZHVMNLE5O","bundle":"https://pith.science/pith/RYOEMNLUHB333TV7HZHVMNLE5O/bundle.json","state":"https://pith.science/pith/RYOEMNLUHB333TV7HZHVMNLE5O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RYOEMNLUHB333TV7HZHVMNLE5O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:RYOEMNLUHB333TV7HZHVMNLE5O","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":"abb2fea0183d1c15a5b2b2e5ea2031c1c76310e2ef795cc265a7c2bcc8fed376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-02T21:00:07Z","title_canon_sha256":"d733f143736ecbd2eb69112c2202ead5edf05d37a5bd624954982f2ef2809eb6"},"schema_version":"1.0","source":{"id":"1401.0537","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0537","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0537v1","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0537","created_at":"2026-05-18T01:45:34Z"},{"alias_kind":"pith_short_12","alias_value":"RYOEMNLUHB33","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RYOEMNLUHB333TV7","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RYOEMNLU","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:4c5d5ad7417c3dcd402fa2873b87aad11f9e169ebe37154f359006cff65a392a","target":"graph","created_at":"2026-05-18T01:45:34Z","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":"I present an estimator for the angular cross-correlation of two tracers of the cosmological large-scale structure that utilizes redshift information to isolate separate physical contributions. The estimator is derived by solving the Limber equation for a re-weighting of the foreground tracer that nulls either clustering or lensing contributions to the cross-correlation function. Applied to future photometric surveys, the estimator can enhance the measurement of gravitational lensing magnification effects to provide a competitive independent constraint on the dark energy equation of state.","authors_text":"Michael D. Schneider","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-02T21:00:07Z","title":"Probing Dark Energy with Lensing Magnification in Photometric Surveys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0537","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":"sha256:8d2244399f31519038babd7a97cce34374f31236677b80d6d9b3b45d684b4ba1","target":"record","created_at":"2026-05-18T01:45:34Z","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":"abb2fea0183d1c15a5b2b2e5ea2031c1c76310e2ef795cc265a7c2bcc8fed376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-02T21:00:07Z","title_canon_sha256":"d733f143736ecbd2eb69112c2202ead5edf05d37a5bd624954982f2ef2809eb6"},"schema_version":"1.0","source":{"id":"1401.0537","kind":"arxiv","version":1}},"canonical_sha256":"8e1c4635743877bdcebf3e4f563564eb8f940784d402d40cd595fe7c16ef08d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e1c4635743877bdcebf3e4f563564eb8f940784d402d40cd595fe7c16ef08d6","first_computed_at":"2026-05-18T01:45:34.372766Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:34.372766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l9qhsydOLdxOzPvkRr0F43CsbAnZ42S1UvsUoGhRqXkuDIB2yMF3MIpmbWMcf1UAZILlpOYDixGNx9Qs1g8mBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:34.373260Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0537","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d2244399f31519038babd7a97cce34374f31236677b80d6d9b3b45d684b4ba1","sha256:4c5d5ad7417c3dcd402fa2873b87aad11f9e169ebe37154f359006cff65a392a"],"state_sha256":"71b0a13e5cea9b6cb918d559a93ad2cebaede6dd03fbcd05a9c6c2a33f7168cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qG5WApqBTf5/6g7YOigCtsVUwOQ9hi55zE5xkmTdxO3cx9MzEdFePmVAO/KKNyjHpRkp0q53/UXQj3rtLQ55CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:46:11.097041Z","bundle_sha256":"4e04dfd2e399ddd4158068677beaf3a076f8dbfde2b6dc81fd5ce91af664a4ee"}}