{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6WOQGR34BHGBZCKBDRB5HXD7YT","short_pith_number":"pith:6WOQGR34","canonical_record":{"source":{"id":"1912.01626","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-12-03T19:01:08Z","cross_cats_sorted":[],"title_canon_sha256":"fbe6a36bde80a1ebd02518f772d5348e8bd59f21c303918364eaa5e0e7759a12","abstract_canon_sha256":"1d446d6c54cb63370ee59e6a9602a9a99a42a65881f58e6996a40387c712b395"},"schema_version":"1.0"},"canonical_sha256":"f59d03477c09cc1c89411c43d3dc7fc4fffbd1ff3c60141a066e4f56b064c0ae","source":{"kind":"arxiv","id":"1912.01626","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01626","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01626v2","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01626","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"6WOQGR34BHGB","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_16","alias_value":"6WOQGR34BHGBZCKB","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_8","alias_value":"6WOQGR34","created_at":"2026-07-05T00:48:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6WOQGR34BHGBZCKBDRB5HXD7YT","target":"record","payload":{"canonical_record":{"source":{"id":"1912.01626","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-12-03T19:01:08Z","cross_cats_sorted":[],"title_canon_sha256":"fbe6a36bde80a1ebd02518f772d5348e8bd59f21c303918364eaa5e0e7759a12","abstract_canon_sha256":"1d446d6c54cb63370ee59e6a9602a9a99a42a65881f58e6996a40387c712b395"},"schema_version":"1.0"},"canonical_sha256":"f59d03477c09cc1c89411c43d3dc7fc4fffbd1ff3c60141a066e4f56b064c0ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:48:50.930363Z","signature_b64":"S+YZjjOWgx4ZNHBcQ7bjtjzTGRMK3IknX5lIoKP9x0prO/YG0TxEzzF3RfWUpEUrs+1jCkJkAM4lCEiEqUfoDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f59d03477c09cc1c89411c43d3dc7fc4fffbd1ff3c60141a066e4f56b064c0ae","last_reissued_at":"2026-07-05T00:48:50.929850Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:48:50.929850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.01626","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":"2026-07-05T00:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I4KZlacflJhlGjs/LrSiIWFDrcyEVZ2hAGL+bay18TpcBhvgM7igkrDM3F74M5RI4ii7+MflGWGU5gi1SRO9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:43:06.916090Z"},"content_sha256":"6984c6856c053c86401b4f2245e7b5dd09748f9494743768880d85a7f09b8d06","schema_version":"1.0","event_id":"sha256:6984c6856c053c86401b4f2245e7b5dd09748f9494743768880d85a7f09b8d06"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6WOQGR34BHGBZCKBDRB5HXD7YT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The rest-frame UV luminosity function at $z \\simeq 4$: a significant contribution of AGN to the bright-end of the galaxy population","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Bunker, A. Verma, B. H\\\"au{\\ss}ler, J. S. Dunlop, M. J. Jarvis, N. J. Adams, R. A. A. Bowler, R. J. McLure","submitted_at":"2019-12-03T19:01:08Z","abstract_excerpt":"We measure the rest-frame UV luminosity function (LF) at $z \\sim 4$ self-consistently over a wide range in absolute magnitude ($-27 \\lesssim M_{\\rm UV} \\lesssim -20$). The LF is measured with 46,904 sources selected using a photometric redshift approach over $ \\sim 6$ deg$^2$ of the combined COSMOS and XMM-LSS fields. We simultaneously fit for both AGN and galaxy LFs using a combination of Schechter or Double Power Law (DPL) functions alongside a single power law for the faint-end slope of the AGN LF. We find a lack of evolution in the shape of the bright-end of the LBG component when compared"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01626","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/1912.01626/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":"2026-07-05T00:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7v4ADXxh4QjdC2/mypLUXK6Nu3gfdqcpmUbEy7t3wiFtnM0VOo73+w0uKgbtGsjEYgD9MW5uUFrosBsXcq2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:43:06.916846Z"},"content_sha256":"b960c3842623f9942ceb37c4424322b1a05ac8aa796ec0293052e23a359d07b0","schema_version":"1.0","event_id":"sha256:b960c3842623f9942ceb37c4424322b1a05ac8aa796ec0293052e23a359d07b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/bundle.json","state_url":"https://pith.science/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/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":"2026-08-20T10:43:06Z","links":{"resolver":"https://pith.science/pith/6WOQGR34BHGBZCKBDRB5HXD7YT","bundle":"https://pith.science/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/bundle.json","state":"https://pith.science/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WOQGR34BHGBZCKBDRB5HXD7YT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6WOQGR34BHGBZCKBDRB5HXD7YT","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":"1d446d6c54cb63370ee59e6a9602a9a99a42a65881f58e6996a40387c712b395","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-12-03T19:01:08Z","title_canon_sha256":"fbe6a36bde80a1ebd02518f772d5348e8bd59f21c303918364eaa5e0e7759a12"},"schema_version":"1.0","source":{"id":"1912.01626","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01626","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01626v2","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01626","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"6WOQGR34BHGB","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_16","alias_value":"6WOQGR34BHGBZCKB","created_at":"2026-07-05T00:48:50Z"},{"alias_kind":"pith_short_8","alias_value":"6WOQGR34","created_at":"2026-07-05T00:48:50Z"}],"graph_snapshots":[{"event_id":"sha256:b960c3842623f9942ceb37c4424322b1a05ac8aa796ec0293052e23a359d07b0","target":"graph","created_at":"2026-07-05T00:48:50Z","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/1912.01626/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measure the rest-frame UV luminosity function (LF) at $z \\sim 4$ self-consistently over a wide range in absolute magnitude ($-27 \\lesssim M_{\\rm UV} \\lesssim -20$). The LF is measured with 46,904 sources selected using a photometric redshift approach over $ \\sim 6$ deg$^2$ of the combined COSMOS and XMM-LSS fields. We simultaneously fit for both AGN and galaxy LFs using a combination of Schechter or Double Power Law (DPL) functions alongside a single power law for the faint-end slope of the AGN LF. We find a lack of evolution in the shape of the bright-end of the LBG component when compared","authors_text":"A. Bunker, A. Verma, B. H\\\"au{\\ss}ler, J. S. Dunlop, M. J. Jarvis, N. J. Adams, R. A. A. Bowler, R. J. McLure","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-12-03T19:01:08Z","title":"The rest-frame UV luminosity function at $z \\simeq 4$: a significant contribution of AGN to the bright-end of the galaxy population"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01626","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":"sha256:6984c6856c053c86401b4f2245e7b5dd09748f9494743768880d85a7f09b8d06","target":"record","created_at":"2026-07-05T00:48:50Z","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":"1d446d6c54cb63370ee59e6a9602a9a99a42a65881f58e6996a40387c712b395","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-12-03T19:01:08Z","title_canon_sha256":"fbe6a36bde80a1ebd02518f772d5348e8bd59f21c303918364eaa5e0e7759a12"},"schema_version":"1.0","source":{"id":"1912.01626","kind":"arxiv","version":2}},"canonical_sha256":"f59d03477c09cc1c89411c43d3dc7fc4fffbd1ff3c60141a066e4f56b064c0ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f59d03477c09cc1c89411c43d3dc7fc4fffbd1ff3c60141a066e4f56b064c0ae","first_computed_at":"2026-07-05T00:48:50.929850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:48:50.929850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S+YZjjOWgx4ZNHBcQ7bjtjzTGRMK3IknX5lIoKP9x0prO/YG0TxEzzF3RfWUpEUrs+1jCkJkAM4lCEiEqUfoDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:48:50.930363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.01626","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6984c6856c053c86401b4f2245e7b5dd09748f9494743768880d85a7f09b8d06","sha256:b960c3842623f9942ceb37c4424322b1a05ac8aa796ec0293052e23a359d07b0"],"state_sha256":"5e9857c0b5fcc60e60189ede30de9a98560498f540c82accefe60eca9ffe397b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHoLuSQiqxKjbzKk04MHUTprvE+RsYTtSJDDKO7A/7dOj96r8gtXIASUToc5uazC+8lRaS2jkujDo8OYioomBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T10:43:06.923197Z","bundle_sha256":"c11cb0bf2c5069bd29b82d80f407501e8adc5e91bca4f31a700bc67d6d6adbfd"}}