{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VUWNOO5LYMBL23INAAGZOJPNXE","short_pith_number":"pith:VUWNOO5L","canonical_record":{"source":{"id":"1804.08061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-22T03:15:24Z","cross_cats_sorted":[],"title_canon_sha256":"f336b0972c818dfc59b3d5b0cb0436ad56faa06356125c2aa6bf5108be43265d","abstract_canon_sha256":"20c16173d966f933c00ce957c13cec064aa95605dd427ed08ebf52a042c1fe02"},"schema_version":"1.0"},"canonical_sha256":"ad2cd73babc302bd6d0d000d9725edb92d3cf1c35a24f3bcc5d6d96062290b5d","source":{"kind":"arxiv","id":"1804.08061","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08061","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08061v2","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08061","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"VUWNOO5LYMBL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VUWNOO5LYMBL23IN","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VUWNOO5L","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VUWNOO5LYMBL23INAAGZOJPNXE","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-22T03:15:24Z","cross_cats_sorted":[],"title_canon_sha256":"f336b0972c818dfc59b3d5b0cb0436ad56faa06356125c2aa6bf5108be43265d","abstract_canon_sha256":"20c16173d966f933c00ce957c13cec064aa95605dd427ed08ebf52a042c1fe02"},"schema_version":"1.0"},"canonical_sha256":"ad2cd73babc302bd6d0d000d9725edb92d3cf1c35a24f3bcc5d6d96062290b5d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:31.829076Z","signature_b64":"lSfKhmd9mwVlioZb501ATnIdE29tOIWY/822PRb29JNmYFNqcVZklL6/L+y00rqOKQu9EQL2U3fZFG7YJQCIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad2cd73babc302bd6d0d000d9725edb92d3cf1c35a24f3bcc5d6d96062290b5d","last_reissued_at":"2026-05-17T23:54:31.828472Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:31.828472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08061","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":"2026-05-17T23:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WdG9OlK7wNCcyjXnLRhRPTRzn9os/AL+F7HkzwlihjEevQKKryv+7sW6jd8Yn7K2n1Or3NKAxXDwMJNjsFEeDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:58:59.323040Z"},"content_sha256":"2e22907999d84c192cc63aa6e48c9b9e037b896c10aef19135f233c21b8174bd","schema_version":"1.0","event_id":"sha256:2e22907999d84c192cc63aa6e48c9b9e037b896c10aef19135f233c21b8174bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VUWNOO5LYMBL23INAAGZOJPNXE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of NII and H$\\alpha$ Line Blending on the WFIRST Galaxy Redshift Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Christopher M. Hirata, Daniel Martens, Joe DeRose, M.A. Troxel, Risa H. Wechsler, Xiao Fang, Yun Wang","submitted_at":"2018-04-22T03:15:24Z","abstract_excerpt":"The Wide Field Infrared Survey Telescope (WFIRST) will conduct a galaxy redshift survey using the H$\\alpha$ emission line primarily for spectroscopic redshift determination. Due to the modest spectroscopic resolution of the grism, the H$\\alpha$ and the neighboring [NII] lines are blended, leading to a redshift bias that depends on the [NII]/H$\\alpha$ ratio, which is correlated with a galaxy's metallicity, hence mass and ultimately environment. We investigate how this bias propagates into the galaxy clustering and cosmological parameters obtained from the WFIRST. Using simulation, we explore th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08061","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":"2026-05-17T23:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VIffdp1r8YXTiE4L6oAXM2s9QE7coNKvkm/xysBgvZYqKQI1mxV4VqQaXcEQNQmyh3Q009iu7wxn+Bor38aUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:58:59.323413Z"},"content_sha256":"54c76fd00db6e45dcdbcf48098401d994135eb0fcee1f13c389c1ffa570b5ae7","schema_version":"1.0","event_id":"sha256:54c76fd00db6e45dcdbcf48098401d994135eb0fcee1f13c389c1ffa570b5ae7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUWNOO5LYMBL23INAAGZOJPNXE/bundle.json","state_url":"https://pith.science/pith/VUWNOO5LYMBL23INAAGZOJPNXE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUWNOO5LYMBL23INAAGZOJPNXE/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":"2026-05-29T17:58:59Z","links":{"resolver":"https://pith.science/pith/VUWNOO5LYMBL23INAAGZOJPNXE","bundle":"https://pith.science/pith/VUWNOO5LYMBL23INAAGZOJPNXE/bundle.json","state":"https://pith.science/pith/VUWNOO5LYMBL23INAAGZOJPNXE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUWNOO5LYMBL23INAAGZOJPNXE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VUWNOO5LYMBL23INAAGZOJPNXE","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":"20c16173d966f933c00ce957c13cec064aa95605dd427ed08ebf52a042c1fe02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-22T03:15:24Z","title_canon_sha256":"f336b0972c818dfc59b3d5b0cb0436ad56faa06356125c2aa6bf5108be43265d"},"schema_version":"1.0","source":{"id":"1804.08061","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08061","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08061v2","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08061","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"VUWNOO5LYMBL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VUWNOO5LYMBL23IN","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VUWNOO5L","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:54c76fd00db6e45dcdbcf48098401d994135eb0fcee1f13c389c1ffa570b5ae7","target":"graph","created_at":"2026-05-17T23:54:31Z","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":"The Wide Field Infrared Survey Telescope (WFIRST) will conduct a galaxy redshift survey using the H$\\alpha$ emission line primarily for spectroscopic redshift determination. Due to the modest spectroscopic resolution of the grism, the H$\\alpha$ and the neighboring [NII] lines are blended, leading to a redshift bias that depends on the [NII]/H$\\alpha$ ratio, which is correlated with a galaxy's metallicity, hence mass and ultimately environment. We investigate how this bias propagates into the galaxy clustering and cosmological parameters obtained from the WFIRST. Using simulation, we explore th","authors_text":"Christopher M. Hirata, Daniel Martens, Joe DeRose, M.A. Troxel, Risa H. Wechsler, Xiao Fang, Yun Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-22T03:15:24Z","title":"Effects of NII and H$\\alpha$ Line Blending on the WFIRST Galaxy Redshift Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08061","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":"sha256:2e22907999d84c192cc63aa6e48c9b9e037b896c10aef19135f233c21b8174bd","target":"record","created_at":"2026-05-17T23:54:31Z","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":"20c16173d966f933c00ce957c13cec064aa95605dd427ed08ebf52a042c1fe02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-22T03:15:24Z","title_canon_sha256":"f336b0972c818dfc59b3d5b0cb0436ad56faa06356125c2aa6bf5108be43265d"},"schema_version":"1.0","source":{"id":"1804.08061","kind":"arxiv","version":2}},"canonical_sha256":"ad2cd73babc302bd6d0d000d9725edb92d3cf1c35a24f3bcc5d6d96062290b5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad2cd73babc302bd6d0d000d9725edb92d3cf1c35a24f3bcc5d6d96062290b5d","first_computed_at":"2026-05-17T23:54:31.828472Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:31.828472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lSfKhmd9mwVlioZb501ATnIdE29tOIWY/822PRb29JNmYFNqcVZklL6/L+y00rqOKQu9EQL2U3fZFG7YJQCIAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:31.829076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08061","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e22907999d84c192cc63aa6e48c9b9e037b896c10aef19135f233c21b8174bd","sha256:54c76fd00db6e45dcdbcf48098401d994135eb0fcee1f13c389c1ffa570b5ae7"],"state_sha256":"cf9e0736f6266ef6dd6c7e571080969eb056162800920e37433f3f8c380e00cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7iEz7fpqsl7hPzZjZzCy4seqXvOgju8u83vVnOHPfDRuO5cXtU7EX+cKIqLGEEKg9/jQm2HfbG2+n5mnRiRDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T17:58:59.325671Z","bundle_sha256":"2ac67540808d49683f32450fc03ac655fd4972ed94f1f841ce5fc24e647c0bb8"}}