{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BQVY6LONKLPVXHWAZEVWMLDWHK","short_pith_number":"pith:BQVY6LON","canonical_record":{"source":{"id":"1703.02071","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-06T19:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"94b53f5c684eccc68fbab98ade598a0caa393d766bb98b8c6b0063f4c8985627","abstract_canon_sha256":"aea02c61291a42f5be87e04110c05a77d97168e28c3889433b176424b2ce78b1"},"schema_version":"1.0"},"canonical_sha256":"0c2b8f2dcd52df5b9ec0c92b662c763abffa9d58cb309c99feebc24123826ebe","source":{"kind":"arxiv","id":"1703.02071","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02071","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02071v3","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02071","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"BQVY6LONKLPV","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BQVY6LONKLPVXHWA","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BQVY6LON","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BQVY6LONKLPVXHWAZEVWMLDWHK","target":"record","payload":{"canonical_record":{"source":{"id":"1703.02071","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-06T19:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"94b53f5c684eccc68fbab98ade598a0caa393d766bb98b8c6b0063f4c8985627","abstract_canon_sha256":"aea02c61291a42f5be87e04110c05a77d97168e28c3889433b176424b2ce78b1"},"schema_version":"1.0"},"canonical_sha256":"0c2b8f2dcd52df5b9ec0c92b662c763abffa9d58cb309c99feebc24123826ebe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:21.233681Z","signature_b64":"mBYHAdyRn7D+Ekgx83iQdBFvZNE5kzMCldY0i1+iml9xCqq88jCVnwJFveBozW5XvFdp+k8PcztEVkr5204fAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c2b8f2dcd52df5b9ec0c92b662c763abffa9d58cb309c99feebc24123826ebe","last_reissued_at":"2026-05-18T00:33:21.233122Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:21.233122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.02071","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wxu1BkbOcAsdw6ms5pkkR8sTcpwI8/Zi2B8q9bT18yg+anYkUSymlz5pK3WSZaGhVEK/qMSm82lTX8zozsFQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:16:24.484640Z"},"content_sha256":"c2d940866b43ec8fa0a89ec052fcf38b039707978004200c2fdbd73abc3b986d","schema_version":"1.0","event_id":"sha256:c2d940866b43ec8fa0a89ec052fcf38b039707978004200c2fdbd73abc3b986d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BQVY6LONKLPVXHWAZEVWMLDWHK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using angular pair upweighting to improve 3D clustering measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Davide Bianchi, Will J. Percival","submitted_at":"2017-03-06T19:16:58Z","abstract_excerpt":"Three dimensional galaxy clustering measurements provide a wealth of cosmological information. However, obtaining spectra of galaxies is expensive, and surveys often only measure redshifts for a subsample of a target galaxy population. Provided that the spectroscopic data is representative, we argue that angular pair upweighting should be used in these situations to improve the 3D clustering measurements. We present a toy model showing mathematically how such a weighting can improve measurements, and provide a practical example of its application using mocks created for the Baryon Oscillation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02071","kind":"arxiv","version":3},"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":"2026-05-18T00:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ZU7vFF8ZjC1DrlSgErCavoD8dveMk+6Ru9T0nuPOHYsazt35r0Najf4RoIodWgUPHoLLPTlcZ/eIcQh8ORMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:16:24.485165Z"},"content_sha256":"4f3a7c8db0c1c5012f7e8aed96e21fc43f1d0ff6bd298b3d88879f81fcf7430d","schema_version":"1.0","event_id":"sha256:4f3a7c8db0c1c5012f7e8aed96e21fc43f1d0ff6bd298b3d88879f81fcf7430d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/bundle.json","state_url":"https://pith.science/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/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":"2026-08-07T07:16:24Z","links":{"resolver":"https://pith.science/pith/BQVY6LONKLPVXHWAZEVWMLDWHK","bundle":"https://pith.science/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/bundle.json","state":"https://pith.science/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BQVY6LONKLPVXHWAZEVWMLDWHK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BQVY6LONKLPVXHWAZEVWMLDWHK","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":"aea02c61291a42f5be87e04110c05a77d97168e28c3889433b176424b2ce78b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-06T19:16:58Z","title_canon_sha256":"94b53f5c684eccc68fbab98ade598a0caa393d766bb98b8c6b0063f4c8985627"},"schema_version":"1.0","source":{"id":"1703.02071","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02071","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02071v3","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02071","created_at":"2026-05-18T00:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"BQVY6LONKLPV","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BQVY6LONKLPVXHWA","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BQVY6LON","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:4f3a7c8db0c1c5012f7e8aed96e21fc43f1d0ff6bd298b3d88879f81fcf7430d","target":"graph","created_at":"2026-05-18T00:33:21Z","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":"Three dimensional galaxy clustering measurements provide a wealth of cosmological information. However, obtaining spectra of galaxies is expensive, and surveys often only measure redshifts for a subsample of a target galaxy population. Provided that the spectroscopic data is representative, we argue that angular pair upweighting should be used in these situations to improve the 3D clustering measurements. We present a toy model showing mathematically how such a weighting can improve measurements, and provide a practical example of its application using mocks created for the Baryon Oscillation ","authors_text":"Davide Bianchi, Will J. Percival","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-06T19:16:58Z","title":"Using angular pair upweighting to improve 3D clustering measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02071","kind":"arxiv","version":3},"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:c2d940866b43ec8fa0a89ec052fcf38b039707978004200c2fdbd73abc3b986d","target":"record","created_at":"2026-05-18T00:33:21Z","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":"aea02c61291a42f5be87e04110c05a77d97168e28c3889433b176424b2ce78b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-03-06T19:16:58Z","title_canon_sha256":"94b53f5c684eccc68fbab98ade598a0caa393d766bb98b8c6b0063f4c8985627"},"schema_version":"1.0","source":{"id":"1703.02071","kind":"arxiv","version":3}},"canonical_sha256":"0c2b8f2dcd52df5b9ec0c92b662c763abffa9d58cb309c99feebc24123826ebe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c2b8f2dcd52df5b9ec0c92b662c763abffa9d58cb309c99feebc24123826ebe","first_computed_at":"2026-05-18T00:33:21.233122Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:21.233122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mBYHAdyRn7D+Ekgx83iQdBFvZNE5kzMCldY0i1+iml9xCqq88jCVnwJFveBozW5XvFdp+k8PcztEVkr5204fAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:21.233681Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.02071","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2d940866b43ec8fa0a89ec052fcf38b039707978004200c2fdbd73abc3b986d","sha256:4f3a7c8db0c1c5012f7e8aed96e21fc43f1d0ff6bd298b3d88879f81fcf7430d"],"state_sha256":"a2be58594d9190e02fcc357a67c6b22c7d89e575f099bbf4bd1d6dc951db9959"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KZxfAdQ8O6Or8wSq5k24hnrBsrviY5fQTsO0AujWY4L123MToThcP7+Yb8HRYBpyiR6wKBuCAuTzmIQoMFUeAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T07:16:24.489270Z","bundle_sha256":"019dad02ce99345b414f5fc48b73533b366c3515997e7bb9d99177f6d4e82344"}}