{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5RZT2NMSX7AXFHCK5FXIOOMZMG","short_pith_number":"pith:5RZT2NMS","canonical_record":{"source":{"id":"1211.3411","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T20:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"7538934fddb78666d8a4406c46290bc8196a1f4cfee9c43f752141eaf624f56c","abstract_canon_sha256":"cd93ffefbd195d7e4ea63a30fd9bd94effcd7a6fb8f5042318fe435796ca19db"},"schema_version":"1.0"},"canonical_sha256":"ec733d3592bfc1729c4ae96e87399961ad4b3f9d436687c3ae2b98f0176a6351","source":{"kind":"arxiv","id":"1211.3411","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3411","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3411v2","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3411","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"pith_short_12","alias_value":"5RZT2NMSX7AX","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RZT2NMSX7AXFHCK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RZT2NMS","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5RZT2NMSX7AXFHCK5FXIOOMZMG","target":"record","payload":{"canonical_record":{"source":{"id":"1211.3411","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T20:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"7538934fddb78666d8a4406c46290bc8196a1f4cfee9c43f752141eaf624f56c","abstract_canon_sha256":"cd93ffefbd195d7e4ea63a30fd9bd94effcd7a6fb8f5042318fe435796ca19db"},"schema_version":"1.0"},"canonical_sha256":"ec733d3592bfc1729c4ae96e87399961ad4b3f9d436687c3ae2b98f0176a6351","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:08.178869Z","signature_b64":"tkbmMuQRy7CwEMeJCDMicxioXV/vHk1Y3kQgiItDqJyLfnzTo2t518Eva9NuvQFQSdD9H6dAqnfSx852hgn6DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec733d3592bfc1729c4ae96e87399961ad4b3f9d436687c3ae2b98f0176a6351","last_reissued_at":"2026-05-18T01:37:08.178208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:08.178208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.3411","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":"2026-05-18T01:37:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G7hI2c9tCuhniEy8DIYxKG/41+CT0AFsIP5GmOQWCGLUC1slbHHjDhWV+PIHQQdMA39CcCND2mhUJJIvufjLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:42:51.375774Z"},"content_sha256":"35f616f31dd1813acaecd2016255baf1a01e7d097d637f6217c0264f1835f7ce","schema_version":"1.0","event_id":"sha256:35f616f31dd1813acaecd2016255baf1a01e7d097d637f6217c0264f1835f7ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5RZT2NMSX7AXFHCK5FXIOOMZMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quenching star formation in cluster galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Brad Krane, Chris Power, Dan S. Taranu, Kyle A. Oman, Michael J. Hudson, Michael L. Balogh, Russell J. Smith","submitted_at":"2012-11-14T20:55:47Z","abstract_excerpt":"In order to understand the processes that quench star formation within rich clusters, we construct a library of subhalo orbits drawn from $\\Lambda$CDM cosmological N-body simulations of four rich clusters. The orbits are combined with models of star formation followed by quenching in the cluster environment. These are compared with observed bulge and disc colours and stellar absorption linestrength indices of satellite galaxies. Models in which the bulge stellar populations depend only on the galaxy subhalo mass while the disc quenching depends on the cluster environment are acceptable fits to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3411","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":""},"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":"2026-05-18T01:37:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cRH1FREzXXmAHTknhSNA9P8g1HGH63YmeL3epHMWgwszE/FSu2Q1COI6YzKoJkr7Aw/XGqi1aRQZAEIzIXvVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:42:51.376492Z"},"content_sha256":"c9d9f3624806fc579c11ab729f985514b8af18e353acda73c01f37433905dc18","schema_version":"1.0","event_id":"sha256:c9d9f3624806fc579c11ab729f985514b8af18e353acda73c01f37433905dc18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/bundle.json","state_url":"https://pith.science/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/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":"2026-05-31T15:42:51Z","links":{"resolver":"https://pith.science/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG","bundle":"https://pith.science/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/bundle.json","state":"https://pith.science/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RZT2NMSX7AXFHCK5FXIOOMZMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5RZT2NMSX7AXFHCK5FXIOOMZMG","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":"cd93ffefbd195d7e4ea63a30fd9bd94effcd7a6fb8f5042318fe435796ca19db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T20:55:47Z","title_canon_sha256":"7538934fddb78666d8a4406c46290bc8196a1f4cfee9c43f752141eaf624f56c"},"schema_version":"1.0","source":{"id":"1211.3411","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3411","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3411v2","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3411","created_at":"2026-05-18T01:37:08Z"},{"alias_kind":"pith_short_12","alias_value":"5RZT2NMSX7AX","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RZT2NMSX7AXFHCK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RZT2NMS","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:c9d9f3624806fc579c11ab729f985514b8af18e353acda73c01f37433905dc18","target":"graph","created_at":"2026-05-18T01:37:08Z","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":"In order to understand the processes that quench star formation within rich clusters, we construct a library of subhalo orbits drawn from $\\Lambda$CDM cosmological N-body simulations of four rich clusters. The orbits are combined with models of star formation followed by quenching in the cluster environment. These are compared with observed bulge and disc colours and stellar absorption linestrength indices of satellite galaxies. Models in which the bulge stellar populations depend only on the galaxy subhalo mass while the disc quenching depends on the cluster environment are acceptable fits to","authors_text":"Brad Krane, Chris Power, Dan S. Taranu, Kyle A. Oman, Michael J. Hudson, Michael L. Balogh, Russell J. Smith","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T20:55:47Z","title":"Quenching star formation in cluster galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3411","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":"sha256:35f616f31dd1813acaecd2016255baf1a01e7d097d637f6217c0264f1835f7ce","target":"record","created_at":"2026-05-18T01:37:08Z","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":"cd93ffefbd195d7e4ea63a30fd9bd94effcd7a6fb8f5042318fe435796ca19db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T20:55:47Z","title_canon_sha256":"7538934fddb78666d8a4406c46290bc8196a1f4cfee9c43f752141eaf624f56c"},"schema_version":"1.0","source":{"id":"1211.3411","kind":"arxiv","version":2}},"canonical_sha256":"ec733d3592bfc1729c4ae96e87399961ad4b3f9d436687c3ae2b98f0176a6351","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec733d3592bfc1729c4ae96e87399961ad4b3f9d436687c3ae2b98f0176a6351","first_computed_at":"2026-05-18T01:37:08.178208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:08.178208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tkbmMuQRy7CwEMeJCDMicxioXV/vHk1Y3kQgiItDqJyLfnzTo2t518Eva9NuvQFQSdD9H6dAqnfSx852hgn6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:08.178869Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.3411","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35f616f31dd1813acaecd2016255baf1a01e7d097d637f6217c0264f1835f7ce","sha256:c9d9f3624806fc579c11ab729f985514b8af18e353acda73c01f37433905dc18"],"state_sha256":"948a2178983a6e13f70548cb7a1ad5edf71f731c68b443f93ba675a5c7d5540a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1UEJ7WD7DFxpt8eQSrXrIPH8kqtqJYKnkWPDjPXE/bpV6MPT/FRt9MRvHL3RwAUeVfND9ijINrNCR2j7OaVrDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:42:51.382153Z","bundle_sha256":"1a5074a85650d51986cb846d2db77150a203218cd0daf335a468d9274ea035b8"}}