{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ROLLRBTAE2OVGQGFY5UYOY3FAO","short_pith_number":"pith:ROLLRBTA","canonical_record":{"source":{"id":"1903.04509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-11T18:00:22Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"252861294d761568a55cd97fa3412d4370bfe44216d0b7445a638e698ad3655e","abstract_canon_sha256":"b5e77d47b185517de43efa06e960acae824b57099ffa80252e53c42e3737bf37"},"schema_version":"1.0"},"canonical_sha256":"8b96b88660269d5340c5c769876365039f89859be2918961633b3f0591352596","source":{"kind":"arxiv","id":"1903.04509","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04509","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04509v1","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04509","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"pith_short_12","alias_value":"ROLLRBTAE2OV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"ROLLRBTAE2OVGQGF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"ROLLRBTA","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ROLLRBTAE2OVGQGFY5UYOY3FAO","target":"record","payload":{"canonical_record":{"source":{"id":"1903.04509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-11T18:00:22Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"252861294d761568a55cd97fa3412d4370bfe44216d0b7445a638e698ad3655e","abstract_canon_sha256":"b5e77d47b185517de43efa06e960acae824b57099ffa80252e53c42e3737bf37"},"schema_version":"1.0"},"canonical_sha256":"8b96b88660269d5340c5c769876365039f89859be2918961633b3f0591352596","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:29.433011Z","signature_b64":"oaipGcqWa4spY653e1bRi064r7VUL1C7MrKVPOXx6E6mq3ffVxqELpi274Q590S6yoiS39Y+Y32fsxIu4NlsAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b96b88660269d5340c5c769876365039f89859be2918961633b3f0591352596","last_reissued_at":"2026-05-17T23:51:29.432640Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:29.432640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.04509","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":"2026-05-17T23:51:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MV/viiWGnU4U5WvQlD3qxwi+pDG38MKV4hr9nV214HH+E0vwJWo2XSdUkHM1YJaiiJMiJV9LhiDrh0WY0jSiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:19:22.847939Z"},"content_sha256":"3b9da2edaaa26fa4148e90c12b8e3d78dc159b46cffefc946cf882e717098730","schema_version":"1.0","event_id":"sha256:3b9da2edaaa26fa4148e90c12b8e3d78dc159b46cffefc946cf882e717098730"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ROLLRBTAE2OVGQGFY5UYOY3FAO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Astro2020: Empirically Constraining Galaxy Evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Aldo Rodr\\'iguez-Puebla (UNAM), Alexie Leauthaud (UCSC), Andrew Hearin (Argonne), Andrew R. Zentner (University of Pittsburgh), Ann Zabludoff (University of Arizona), Benjamin P. Moster (LMU), Casey Papovich (Texas A&M University), Charity Woodrum (University of Arizona), Charlie Conroy (Harvard University), Christine O'Donnell (University of Arizona), Christopher M. Hirata (OSU), Chun Ly (University of Arizona), Dennis Zaritsky (University of Arizona), Erik Tollerud (STScI), Flatiron Institute), Frank C. van den Bosch (Yale), Huanian Zhang (University of Arizona), Jarle Brinchmann (Leiden), Jeremy Tinker (NYU), Mark Dickinson (NOAO), Matthew R. Becker (Argonne), Peter Behroozi (University of Arizona), Rachel Somerville (CCA, Risa H. Wechsler (KIPAC, SLAC), Stanford, Yao-Yuan Mao (University of Pittsburgh), Yun Wang (Caltech/IPAC)","submitted_at":"2019-03-11T18:00:22Z","abstract_excerpt":"Over the past decade, empirical constraints on the galaxy-dark matter halo connection have significantly advanced our understanding of galaxy evolution. Past techniques have focused on connections between halo properties and galaxy stellar mass and/or star formation rates. Empirical techniques in the next decade will link halo assembly histories with galaxies' circumgalactic media, supermassive black holes, morphologies, kinematics, sizes, colors, metallicities, and transient rates. Uncovering these links will resolve many critical uncertainties in galaxy formation and will enable much higher-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04509","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":""},"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":"2026-05-17T23:51:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KYYlrw6mQpR6KNsjrbo1GkYMu8JP+UnW8a3e9zuxuUrmTMhexIyXL8MQoPGUSmVn2Nz3ffB1O5+/A2Zqc2eYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:19:22.848301Z"},"content_sha256":"0af9e7c9b8de5b7c3325b77ec709c3a24bbe454da803e7ab893fe6204b7278e8","schema_version":"1.0","event_id":"sha256:0af9e7c9b8de5b7c3325b77ec709c3a24bbe454da803e7ab893fe6204b7278e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/bundle.json","state_url":"https://pith.science/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/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":"2026-05-26T21:19:22Z","links":{"resolver":"https://pith.science/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO","bundle":"https://pith.science/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/bundle.json","state":"https://pith.science/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ROLLRBTAE2OVGQGFY5UYOY3FAO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ROLLRBTAE2OVGQGFY5UYOY3FAO","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":"b5e77d47b185517de43efa06e960acae824b57099ffa80252e53c42e3737bf37","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-11T18:00:22Z","title_canon_sha256":"252861294d761568a55cd97fa3412d4370bfe44216d0b7445a638e698ad3655e"},"schema_version":"1.0","source":{"id":"1903.04509","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04509","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04509v1","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04509","created_at":"2026-05-17T23:51:29Z"},{"alias_kind":"pith_short_12","alias_value":"ROLLRBTAE2OV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"ROLLRBTAE2OVGQGF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"ROLLRBTA","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:0af9e7c9b8de5b7c3325b77ec709c3a24bbe454da803e7ab893fe6204b7278e8","target":"graph","created_at":"2026-05-17T23:51:29Z","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":"Over the past decade, empirical constraints on the galaxy-dark matter halo connection have significantly advanced our understanding of galaxy evolution. Past techniques have focused on connections between halo properties and galaxy stellar mass and/or star formation rates. Empirical techniques in the next decade will link halo assembly histories with galaxies' circumgalactic media, supermassive black holes, morphologies, kinematics, sizes, colors, metallicities, and transient rates. Uncovering these links will resolve many critical uncertainties in galaxy formation and will enable much higher-","authors_text":"Aldo Rodr\\'iguez-Puebla (UNAM), Alexie Leauthaud (UCSC), Andrew Hearin (Argonne), Andrew R. Zentner (University of Pittsburgh), Ann Zabludoff (University of Arizona), Benjamin P. Moster (LMU), Casey Papovich (Texas A&M University), Charity Woodrum (University of Arizona), Charlie Conroy (Harvard University), Christine O'Donnell (University of Arizona), Christopher M. Hirata (OSU), Chun Ly (University of Arizona), Dennis Zaritsky (University of Arizona), Erik Tollerud (STScI), Flatiron Institute), Frank C. van den Bosch (Yale), Huanian Zhang (University of Arizona), Jarle Brinchmann (Leiden), Jeremy Tinker (NYU), Mark Dickinson (NOAO), Matthew R. Becker (Argonne), Peter Behroozi (University of Arizona), Rachel Somerville (CCA, Risa H. Wechsler (KIPAC, SLAC), Stanford, Yao-Yuan Mao (University of Pittsburgh), Yun Wang (Caltech/IPAC)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-11T18:00:22Z","title":"Astro2020: Empirically Constraining Galaxy Evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04509","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":"sha256:3b9da2edaaa26fa4148e90c12b8e3d78dc159b46cffefc946cf882e717098730","target":"record","created_at":"2026-05-17T23:51:29Z","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":"b5e77d47b185517de43efa06e960acae824b57099ffa80252e53c42e3737bf37","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-11T18:00:22Z","title_canon_sha256":"252861294d761568a55cd97fa3412d4370bfe44216d0b7445a638e698ad3655e"},"schema_version":"1.0","source":{"id":"1903.04509","kind":"arxiv","version":1}},"canonical_sha256":"8b96b88660269d5340c5c769876365039f89859be2918961633b3f0591352596","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b96b88660269d5340c5c769876365039f89859be2918961633b3f0591352596","first_computed_at":"2026-05-17T23:51:29.432640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:29.432640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oaipGcqWa4spY653e1bRi064r7VUL1C7MrKVPOXx6E6mq3ffVxqELpi274Q590S6yoiS39Y+Y32fsxIu4NlsAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:29.433011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.04509","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b9da2edaaa26fa4148e90c12b8e3d78dc159b46cffefc946cf882e717098730","sha256:0af9e7c9b8de5b7c3325b77ec709c3a24bbe454da803e7ab893fe6204b7278e8"],"state_sha256":"96c4e298043d56bd908613e7544afd8da1a76379a26f8f401e91c7a3f3c8c1cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gCYR0Elar3KXFFsum9RWUQN8U+F5P+jDqfLeMTsSqJKNCnG7QJfqWfg9x7MzQ1sno0yMQZE+sSKylWC1G0JyAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:19:22.850537Z","bundle_sha256":"873fe275b2b3ad4fa759f25db80857339f0c5a6639f28c854f3ddb0281840669"}}