{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:I5U2VRHCKGJJGFSQDIZYKVIQLJ","short_pith_number":"pith:I5U2VRHC","canonical_record":{"source":{"id":"2401.02783","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-05T12:43:26Z","cross_cats_sorted":[],"title_canon_sha256":"8377d10e6ccd457b2a3bae44a1be4e271d47e1de0d4e5102815a82348e583670","abstract_canon_sha256":"4d6fa70b6cf910efb50c9e149532a7994bc2e549bedd058887d86148eb6449ea"},"schema_version":"1.0"},"canonical_sha256":"4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a","source":{"kind":"arxiv","id":"2401.02783","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.02783","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"arxiv_version","alias_value":"2401.02783v1","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.02783","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_12","alias_value":"I5U2VRHCKGJJ","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_16","alias_value":"I5U2VRHCKGJJGFSQ","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_8","alias_value":"I5U2VRHC","created_at":"2026-07-05T07:30:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:I5U2VRHCKGJJGFSQDIZYKVIQLJ","target":"record","payload":{"canonical_record":{"source":{"id":"2401.02783","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-05T12:43:26Z","cross_cats_sorted":[],"title_canon_sha256":"8377d10e6ccd457b2a3bae44a1be4e271d47e1de0d4e5102815a82348e583670","abstract_canon_sha256":"4d6fa70b6cf910efb50c9e149532a7994bc2e549bedd058887d86148eb6449ea"},"schema_version":"1.0"},"canonical_sha256":"4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:30:31.061016Z","signature_b64":"Wr2kamMpW/skIPMl+/IEZgwcSD4hdHRy5+xcSrpAKM8SR9z1C9oWEzjzzJw15XRViyVHmJmXh47NA6agn27XCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a","last_reissued_at":"2026-07-05T07:30:31.060668Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:30:31.060668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.02783","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":"2026-07-05T07:30:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"irmwQ9FBSx0yda7zjgewobfluNHLPplMxdnrpRowMUKGm5xXoE36ra9k2ICC2rkj+KzfG2E0lLgcN8NKUgc4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:44:19.788960Z"},"content_sha256":"d03f3a4a8d8cc4a6e6b9bd2b38e9f66995e8acdc43e62b7f66950b20ec72fd5a","schema_version":"1.0","event_id":"sha256:d03f3a4a8d8cc4a6e6b9bd2b38e9f66995e8acdc43e62b7f66950b20ec72fd5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:I5U2VRHCKGJJGFSQDIZYKVIQLJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Absence of radio-bright dominance in a near-infrared selected sample of red quasars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"G Ma, J.-K. Krogager, J. P. U. Fynbo, K. E. Heintz, L. Christensen, P. M{\\o}ller, S. J. Geier, S. Vejlgaard","submitted_at":"2024-01-05T12:43:26Z","abstract_excerpt":"(Abridged). We explore the fraction of radio loud quasars in the eHAQ+GAIA23 sample, which contains quasars from the High A(V) Quasar (HAQ) Survey, the Extended High A(V) Quasar (eHAQ) Survey, and the Gaia quasar survey. All quasars in this sample have been found using a near-infrared color selection of target candidates that have otherwise been missed by the Sloan Digital Sky Survey (SDSS). We implemented a redshift-dependent color cut in g-i to select red quasars in the sample and divided them into redshift bins, while using a nearest-neighbors algorithm to control for luminosity and redshif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.02783","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.02783/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":"2026-07-05T07:30:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4DTucVRbJpoWKViPnHteNDSMv8s2e8Rf2vXS0m4x7rjBP+kyjY77diDHBZGTi4NEC6KJdmGYW/LiVCQEWk+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:44:19.789502Z"},"content_sha256":"7968e2b7b4ae11525b8d67f7c06583249d2e224ed99d107e3f9cbe9f8e19ad1a","schema_version":"1.0","event_id":"sha256:7968e2b7b4ae11525b8d67f7c06583249d2e224ed99d107e3f9cbe9f8e19ad1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/bundle.json","state_url":"https://pith.science/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/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":"2026-08-21T07:44:19Z","links":{"resolver":"https://pith.science/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ","bundle":"https://pith.science/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/bundle.json","state":"https://pith.science/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5U2VRHCKGJJGFSQDIZYKVIQLJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:I5U2VRHCKGJJGFSQDIZYKVIQLJ","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":"4d6fa70b6cf910efb50c9e149532a7994bc2e549bedd058887d86148eb6449ea","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-05T12:43:26Z","title_canon_sha256":"8377d10e6ccd457b2a3bae44a1be4e271d47e1de0d4e5102815a82348e583670"},"schema_version":"1.0","source":{"id":"2401.02783","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.02783","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"arxiv_version","alias_value":"2401.02783v1","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.02783","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_12","alias_value":"I5U2VRHCKGJJ","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_16","alias_value":"I5U2VRHCKGJJGFSQ","created_at":"2026-07-05T07:30:31Z"},{"alias_kind":"pith_short_8","alias_value":"I5U2VRHC","created_at":"2026-07-05T07:30:31Z"}],"graph_snapshots":[{"event_id":"sha256:7968e2b7b4ae11525b8d67f7c06583249d2e224ed99d107e3f9cbe9f8e19ad1a","target":"graph","created_at":"2026-07-05T07:30:31Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2401.02783/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(Abridged). We explore the fraction of radio loud quasars in the eHAQ+GAIA23 sample, which contains quasars from the High A(V) Quasar (HAQ) Survey, the Extended High A(V) Quasar (eHAQ) Survey, and the Gaia quasar survey. All quasars in this sample have been found using a near-infrared color selection of target candidates that have otherwise been missed by the Sloan Digital Sky Survey (SDSS). We implemented a redshift-dependent color cut in g-i to select red quasars in the sample and divided them into redshift bins, while using a nearest-neighbors algorithm to control for luminosity and redshif","authors_text":"G Ma, J.-K. Krogager, J. P. U. Fynbo, K. E. Heintz, L. Christensen, P. M{\\o}ller, S. J. Geier, S. Vejlgaard","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-05T12:43:26Z","title":"Absence of radio-bright dominance in a near-infrared selected sample of red quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.02783","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:d03f3a4a8d8cc4a6e6b9bd2b38e9f66995e8acdc43e62b7f66950b20ec72fd5a","target":"record","created_at":"2026-07-05T07:30:31Z","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":"4d6fa70b6cf910efb50c9e149532a7994bc2e549bedd058887d86148eb6449ea","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-05T12:43:26Z","title_canon_sha256":"8377d10e6ccd457b2a3bae44a1be4e271d47e1de0d4e5102815a82348e583670"},"schema_version":"1.0","source":{"id":"2401.02783","kind":"arxiv","version":1}},"canonical_sha256":"4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a","first_computed_at":"2026-07-05T07:30:31.060668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:30:31.060668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wr2kamMpW/skIPMl+/IEZgwcSD4hdHRy5+xcSrpAKM8SR9z1C9oWEzjzzJw15XRViyVHmJmXh47NA6agn27XCA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:30:31.061016Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.02783","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d03f3a4a8d8cc4a6e6b9bd2b38e9f66995e8acdc43e62b7f66950b20ec72fd5a","sha256:7968e2b7b4ae11525b8d67f7c06583249d2e224ed99d107e3f9cbe9f8e19ad1a"],"state_sha256":"59ccd399bb0234203abb851f3e98a2f01b8bfee3bbb10e63eaae22a0e4953b5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rwrsw75VSmzVtxUlUcvoDDt9+ExRAGrM+7F8K0P/GtJNjXQDApmW+HFF/zlJPEhoTcFk9FNuFLGovHx2pDTVCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T07:44:19.794246Z","bundle_sha256":"4b5f18e499786941ea4250ad678b0bc971332a4f232eee86d9f97db9fd87c5bf"}}