{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3WCAMGUXS3SQ572BA5WVD7ZFAJ","short_pith_number":"pith:3WCAMGUX","canonical_record":{"source":{"id":"1610.05782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-18T20:00:27Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"352825d8adf7b6f0dc6fee11494716a2ec000bb9dbb32f66dd76821c412a5e20","abstract_canon_sha256":"8cbe238641bc7e4f9b698e472e6ca7ff2b8546921e2c04a5919dc6402d6b2d75"},"schema_version":"1.0"},"canonical_sha256":"dd84061a9796e50eff41076d51ff25026b38e250b6e438d1aece6ea450d97032","source":{"kind":"arxiv","id":"1610.05782","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05782","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05782v1","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05782","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"3WCAMGUXS3SQ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"3WCAMGUXS3SQ572B","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"3WCAMGUX","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3WCAMGUXS3SQ572BA5WVD7ZFAJ","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-18T20:00:27Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"352825d8adf7b6f0dc6fee11494716a2ec000bb9dbb32f66dd76821c412a5e20","abstract_canon_sha256":"8cbe238641bc7e4f9b698e472e6ca7ff2b8546921e2c04a5919dc6402d6b2d75"},"schema_version":"1.0"},"canonical_sha256":"dd84061a9796e50eff41076d51ff25026b38e250b6e438d1aece6ea450d97032","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:18.517016Z","signature_b64":"4fM7KoN5w1Tyz/RuZtWDQ0BypVAbk6MheeqHR/M10LO4A7unNilNPZPspMqNBN+eFVy4GX9kkabgJtcZ8+5CAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd84061a9796e50eff41076d51ff25026b38e250b6e438d1aece6ea450d97032","last_reissued_at":"2026-05-18T00:50:18.516407Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:18.516407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05782","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":"2026-05-18T00:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VXA38OULQ0vKPVXze8lY8Xj+WM4d+D7WBy52rQox0QgH40s2yZmKZNmMnb5ud/Bw3WioGA6s9DaMoh5G2VpGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:05:58.148688Z"},"content_sha256":"0655131e6a17d535c6f32e68b4d84d0d526bf2195da71cca2c3c69865c9d26bb","schema_version":"1.0","event_id":"sha256:0655131e6a17d535c6f32e68b4d84d0d526bf2195da71cca2c3c69865c9d26bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3WCAMGUXS3SQ572BA5WVD7ZFAJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What is the right way to quench star formation in semi-analytic model of galaxy formation?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Xi Kang (PMO), Yu Luo (PMO)","submitted_at":"2016-10-18T20:00:27Z","abstract_excerpt":"Semi-analytic models of galaxy formation are powerful tools to study the evolution of galaxy population in a cosmological context. However, most models over-predict the number of low-mass galaxies at high redshifts and the color of model galaxies are not right in the sense that low-mass satellite galaxies are too red and centrals are too blue. The recent version of the L-Galaxies model by Henriques et al.(H15) is a step forward to solve these problems by reproducing the evolution of stellar mass function and the overall fraction of red galaxies. In this paper we compare the two model predictio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05782","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":"2026-05-18T00:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GNxij3PB5wB2IOpxwJGA7ogGd7CN6q3Qi/Ika+VzRs4jH4D4xogXW9ZYJo4dArD0lXa7toDdKIrsafY2oAByAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:05:58.149231Z"},"content_sha256":"a13584dd3d0082d8e519ef25e87fd33d27d717eea7342c9c2dd1cf490bcb369d","schema_version":"1.0","event_id":"sha256:a13584dd3d0082d8e519ef25e87fd33d27d717eea7342c9c2dd1cf490bcb369d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/bundle.json","state_url":"https://pith.science/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/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":"2026-06-02T06:05:58Z","links":{"resolver":"https://pith.science/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ","bundle":"https://pith.science/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/bundle.json","state":"https://pith.science/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WCAMGUXS3SQ572BA5WVD7ZFAJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3WCAMGUXS3SQ572BA5WVD7ZFAJ","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":"8cbe238641bc7e4f9b698e472e6ca7ff2b8546921e2c04a5919dc6402d6b2d75","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-18T20:00:27Z","title_canon_sha256":"352825d8adf7b6f0dc6fee11494716a2ec000bb9dbb32f66dd76821c412a5e20"},"schema_version":"1.0","source":{"id":"1610.05782","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05782","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05782v1","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05782","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"3WCAMGUXS3SQ","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"3WCAMGUXS3SQ572B","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"3WCAMGUX","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:a13584dd3d0082d8e519ef25e87fd33d27d717eea7342c9c2dd1cf490bcb369d","target":"graph","created_at":"2026-05-18T00:50:18Z","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"},"paper":{"abstract_excerpt":"Semi-analytic models of galaxy formation are powerful tools to study the evolution of galaxy population in a cosmological context. However, most models over-predict the number of low-mass galaxies at high redshifts and the color of model galaxies are not right in the sense that low-mass satellite galaxies are too red and centrals are too blue. The recent version of the L-Galaxies model by Henriques et al.(H15) is a step forward to solve these problems by reproducing the evolution of stellar mass function and the overall fraction of red galaxies. In this paper we compare the two model predictio","authors_text":"Xi Kang (PMO), Yu Luo (PMO)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-18T20:00:27Z","title":"What is the right way to quench star formation in semi-analytic model of galaxy formation?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05782","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":"sha256:0655131e6a17d535c6f32e68b4d84d0d526bf2195da71cca2c3c69865c9d26bb","target":"record","created_at":"2026-05-18T00:50:18Z","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":"8cbe238641bc7e4f9b698e472e6ca7ff2b8546921e2c04a5919dc6402d6b2d75","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-18T20:00:27Z","title_canon_sha256":"352825d8adf7b6f0dc6fee11494716a2ec000bb9dbb32f66dd76821c412a5e20"},"schema_version":"1.0","source":{"id":"1610.05782","kind":"arxiv","version":1}},"canonical_sha256":"dd84061a9796e50eff41076d51ff25026b38e250b6e438d1aece6ea450d97032","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd84061a9796e50eff41076d51ff25026b38e250b6e438d1aece6ea450d97032","first_computed_at":"2026-05-18T00:50:18.516407Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:18.516407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4fM7KoN5w1Tyz/RuZtWDQ0BypVAbk6MheeqHR/M10LO4A7unNilNPZPspMqNBN+eFVy4GX9kkabgJtcZ8+5CAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:18.517016Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05782","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0655131e6a17d535c6f32e68b4d84d0d526bf2195da71cca2c3c69865c9d26bb","sha256:a13584dd3d0082d8e519ef25e87fd33d27d717eea7342c9c2dd1cf490bcb369d"],"state_sha256":"55857d3f6f42054c514d6e2c4e1fe88ec7ba97a476a693143b8630cbe0249a3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QgROHu8vOJTDTKCGLugLoKyVQmto3adLuUxGPmeZ8AY21/+uccnUSBNcyLNI0bPpwBdXc9J0+EKySytwBzh7DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:05:58.151307Z","bundle_sha256":"d1d37c753bcc3ba15e6ff93e13c0deed2836d5c561202302be84567718b3a9b6"}}