{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:5NYA3NKPLKTHPOXUS2XRJPJ633","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":"485e1fe3269ffed7b127d6cb4575e5361a766ea084984091ba0e2592e3d09bf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-02T20:00:54Z","title_canon_sha256":"93881febbfc3ae7cd2a9ed733153026fcf73659f2c81e9e5fb8a90857a50a7fd"},"schema_version":"1.0","source":{"id":"1111.0636","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0636","created_at":"2026-05-18T01:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0636v2","created_at":"2026-05-18T01:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0636","created_at":"2026-05-18T01:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"5NYA3NKPLKTH","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5NYA3NKPLKTHPOXU","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5NYA3NKP","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:6eaad7fa38a964c21b3fbe2dbd6b8f95312ada31561e1b6c70294ec385d5351d","target":"graph","created_at":"2026-05-18T01:59:48Z","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 a hierarchical universe, mergers may be an important mechanism not only in increasing the mass of galaxies but also in driving the color and morphological evolution of galaxies. We use a large sample of ~1000 simulated galaxies of stellar mass greater than 10^9.6 solar masses (for ~4800 observations at multiple redshifts) from a high-res (0.46 h^{-1} kpc) cosmological simulation to determine under what circumstances being a member of a pair influences galaxy properties at z <= 0.2. We identify gravitationally bound pairs, and find a relative fraction of blue-blue, red-red, and blue-red pair","authors_text":"Renyue Cen, Stephanie Tonnesen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-02T20:00:54Z","title":"Effects on Galaxy Evolution: Pair Interactions versus Environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0636","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:b28005f081d49a7f774489f9d125682ea422675ed15b942f8ebfb5823f6eb660","target":"record","created_at":"2026-05-18T01:59:48Z","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":"485e1fe3269ffed7b127d6cb4575e5361a766ea084984091ba0e2592e3d09bf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-02T20:00:54Z","title_canon_sha256":"93881febbfc3ae7cd2a9ed733153026fcf73659f2c81e9e5fb8a90857a50a7fd"},"schema_version":"1.0","source":{"id":"1111.0636","kind":"arxiv","version":2}},"canonical_sha256":"eb700db54f5aa677baf496af14bd3edee39ee695cda0e45262b961d0c7506cfb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb700db54f5aa677baf496af14bd3edee39ee695cda0e45262b961d0c7506cfb","first_computed_at":"2026-05-18T01:59:48.159812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:48.159812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m6AifVX8P6SKM8BvpwzZv7FFWDandsEIXgz6HnnSguqTdA1QOswKLlkeuEfWbPz9VVcK3/O7krH9QrwI+Xf0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:48.160440Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.0636","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b28005f081d49a7f774489f9d125682ea422675ed15b942f8ebfb5823f6eb660","sha256:6eaad7fa38a964c21b3fbe2dbd6b8f95312ada31561e1b6c70294ec385d5351d"],"state_sha256":"7a5e16ae99006e2415760938225a09a1c029a6bdff74a6b133d0b283a437b1ac"}