{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KFDEITXRFJIG7V3B7UCLXLLAEI","short_pith_number":"pith:KFDEITXR","canonical_record":{"source":{"id":"2302.06936","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-14T09:49:45Z","cross_cats_sorted":[],"title_canon_sha256":"a93de6b5d0a3fec328b7719d98eaa240c4f70140971ffb2db2449ca6b75ba2a8","abstract_canon_sha256":"6e87e6b0312856aaa1818d3bbc083cfaf919b586de89665edddbe5efe4926c30"},"schema_version":"1.0"},"canonical_sha256":"5146444ef12a506fd761fd04bbad60221bd27f92bde1e33e5db2bc3221d53ee9","source":{"kind":"arxiv","id":"2302.06936","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.06936","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"2302.06936v2","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.06936","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"KFDEITXRFJIG","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_16","alias_value":"KFDEITXRFJIG7V3B","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_8","alias_value":"KFDEITXR","created_at":"2026-07-05T06:19:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KFDEITXRFJIG7V3B7UCLXLLAEI","target":"record","payload":{"canonical_record":{"source":{"id":"2302.06936","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-14T09:49:45Z","cross_cats_sorted":[],"title_canon_sha256":"a93de6b5d0a3fec328b7719d98eaa240c4f70140971ffb2db2449ca6b75ba2a8","abstract_canon_sha256":"6e87e6b0312856aaa1818d3bbc083cfaf919b586de89665edddbe5efe4926c30"},"schema_version":"1.0"},"canonical_sha256":"5146444ef12a506fd761fd04bbad60221bd27f92bde1e33e5db2bc3221d53ee9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:19:18.320495Z","signature_b64":"3EUH9dloSYxG6sonEGD0aQlZRIHUtGhtXe0sxeAdHfx88MmNATJJHIeSU4FDT2irSZc/yzD21N6u+3dxxOD1Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5146444ef12a506fd761fd04bbad60221bd27f92bde1e33e5db2bc3221d53ee9","last_reissued_at":"2026-07-05T06:19:18.319791Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:19:18.319791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.06936","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":"2026-07-05T06:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8lAHYg4mvfBC2aF+Mo1t56eEC9dzrQr8GPT5hq36RQGXD9YXoflX618td79aoBserm0pGuSfa4RtORUZZPq5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T15:09:53.193749Z"},"content_sha256":"bedac6662062c5dafd5180dc50297f8ba6080cc40b3379da66a05356dd21cabe","schema_version":"1.0","event_id":"sha256:bedac6662062c5dafd5180dc50297f8ba6080cc40b3379da66a05356dd21cabe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KFDEITXRFJIG7V3B7UCLXLLAEI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A framework to measure the properties of intergalactic metal systems with two-point flux statistics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. de la Macorra, A. Font-Ribera, B. A. Weaver, C. Poppett, C. Ravoux, David H. Weinberg, D. Brooks, G. Tarl\\'e, J. Aguilar, J. Guy, M. Schubnell, Naim G\\\"oksel Kara\\c{c}ayl{\\i}, Paul Martini, R. Miquel, S. Ahlen, S. Gontcho A Gontcho, T. Kisner, Vid Ir\\v{s}i\\v{c}, Z. Zhou","submitted_at":"2023-02-14T09:49:45Z","abstract_excerpt":"The abundance, temperature, and clustering of metals in the intergalactic medium are important parameters for understanding their cosmic evolution and quantifying their impact on cosmological analysis with the Ly $\\alpha$ forest. The properties of these systems are typically measured from individual quasar spectra redward of the quasar's Ly $\\alpha$ emission line, yet that approach may provide biased results due to selection effects. We present an alternative approach to measure these properties in an unbiased manner with the two-point statistics commonly employed to quantify large-scale struc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.06936","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.06936/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gBkYyKFFaszK6OCkXVhMuNODOx6yAp0txVXDgNCau26qGTbRQHIE7/5e8f+w/gbOGVvZ+Tw8QAqubwAw+zFJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T15:09:53.194105Z"},"content_sha256":"04d2d37664a4ee5a4921c1bfb7046434093be2664035820b7556df7d775f7566","schema_version":"1.0","event_id":"sha256:04d2d37664a4ee5a4921c1bfb7046434093be2664035820b7556df7d775f7566"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/bundle.json","state_url":"https://pith.science/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/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":"2026-07-13T15:09:53Z","links":{"resolver":"https://pith.science/pith/KFDEITXRFJIG7V3B7UCLXLLAEI","bundle":"https://pith.science/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/bundle.json","state":"https://pith.science/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KFDEITXRFJIG7V3B7UCLXLLAEI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KFDEITXRFJIG7V3B7UCLXLLAEI","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":"6e87e6b0312856aaa1818d3bbc083cfaf919b586de89665edddbe5efe4926c30","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-14T09:49:45Z","title_canon_sha256":"a93de6b5d0a3fec328b7719d98eaa240c4f70140971ffb2db2449ca6b75ba2a8"},"schema_version":"1.0","source":{"id":"2302.06936","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.06936","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"2302.06936v2","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.06936","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"KFDEITXRFJIG","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_16","alias_value":"KFDEITXRFJIG7V3B","created_at":"2026-07-05T06:19:18Z"},{"alias_kind":"pith_short_8","alias_value":"KFDEITXR","created_at":"2026-07-05T06:19:18Z"}],"graph_snapshots":[{"event_id":"sha256:04d2d37664a4ee5a4921c1bfb7046434093be2664035820b7556df7d775f7566","target":"graph","created_at":"2026-07-05T06:19:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.06936/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The abundance, temperature, and clustering of metals in the intergalactic medium are important parameters for understanding their cosmic evolution and quantifying their impact on cosmological analysis with the Ly $\\alpha$ forest. The properties of these systems are typically measured from individual quasar spectra redward of the quasar's Ly $\\alpha$ emission line, yet that approach may provide biased results due to selection effects. We present an alternative approach to measure these properties in an unbiased manner with the two-point statistics commonly employed to quantify large-scale struc","authors_text":"A. de la Macorra, A. Font-Ribera, B. A. Weaver, C. Poppett, C. Ravoux, David H. Weinberg, D. Brooks, G. Tarl\\'e, J. Aguilar, J. Guy, M. Schubnell, Naim G\\\"oksel Kara\\c{c}ayl{\\i}, Paul Martini, R. Miquel, S. Ahlen, S. Gontcho A Gontcho, T. Kisner, Vid Ir\\v{s}i\\v{c}, Z. Zhou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-14T09:49:45Z","title":"A framework to measure the properties of intergalactic metal systems with two-point flux statistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.06936","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:bedac6662062c5dafd5180dc50297f8ba6080cc40b3379da66a05356dd21cabe","target":"record","created_at":"2026-07-05T06:19:18Z","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":"6e87e6b0312856aaa1818d3bbc083cfaf919b586de89665edddbe5efe4926c30","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-14T09:49:45Z","title_canon_sha256":"a93de6b5d0a3fec328b7719d98eaa240c4f70140971ffb2db2449ca6b75ba2a8"},"schema_version":"1.0","source":{"id":"2302.06936","kind":"arxiv","version":2}},"canonical_sha256":"5146444ef12a506fd761fd04bbad60221bd27f92bde1e33e5db2bc3221d53ee9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5146444ef12a506fd761fd04bbad60221bd27f92bde1e33e5db2bc3221d53ee9","first_computed_at":"2026-07-05T06:19:18.319791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:19:18.319791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3EUH9dloSYxG6sonEGD0aQlZRIHUtGhtXe0sxeAdHfx88MmNATJJHIeSU4FDT2irSZc/yzD21N6u+3dxxOD1Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:19:18.320495Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.06936","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bedac6662062c5dafd5180dc50297f8ba6080cc40b3379da66a05356dd21cabe","sha256:04d2d37664a4ee5a4921c1bfb7046434093be2664035820b7556df7d775f7566"],"state_sha256":"c6a8510f41a6a135456b7e32f6be61dfad02b233803857799db5d1f70ead8630"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"78i14phpCPxxQtnbbRobD9l7bqgyETp+KyJUEmQ7D7U2AjU5vDf60AJltDYMPjQe3ngiTFnPz2lJwVwlQbMhDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T15:09:53.196169Z","bundle_sha256":"2cb8744f800e8f3dd5e10b69ae845362b13d8df72c2b2771dbe21616a8cd1d52"}}