{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HK7YEJVQ5LFQVVPZFSZW4NEYYE","short_pith_number":"pith:HK7YEJVQ","canonical_record":{"source":{"id":"1211.3120","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-13T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"de4077a50ef8283406ae42cb7a31aadf4d49b1975995ed93b186014ad331d2c4","abstract_canon_sha256":"8bd92f22f10ad088b021938dd623d18596fb0f96087b1d6e35892acd1bbd7924"},"schema_version":"1.0"},"canonical_sha256":"3abf8226b0eacb0ad5f92cb36e3498c1245e0270a3a55681c9a4d39ca3c54097","source":{"kind":"arxiv","id":"1211.3120","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3120","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3120v2","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3120","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"HK7YEJVQ5LFQ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HK7YEJVQ5LFQVVPZ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HK7YEJVQ","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HK7YEJVQ5LFQVVPZFSZW4NEYYE","target":"record","payload":{"canonical_record":{"source":{"id":"1211.3120","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-13T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"de4077a50ef8283406ae42cb7a31aadf4d49b1975995ed93b186014ad331d2c4","abstract_canon_sha256":"8bd92f22f10ad088b021938dd623d18596fb0f96087b1d6e35892acd1bbd7924"},"schema_version":"1.0"},"canonical_sha256":"3abf8226b0eacb0ad5f92cb36e3498c1245e0270a3a55681c9a4d39ca3c54097","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:15.977313Z","signature_b64":"U2N4m2TQAwehjZXgnTKdsRZQXj0+F5B40++dioYMncZdtzVt8qb2RRAsmslfUYXAKcvAnDLMaBi8u1Cq+1j8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3abf8226b0eacb0ad5f92cb36e3498c1245e0270a3a55681c9a4d39ca3c54097","last_reissued_at":"2026-05-18T01:53:15.976950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:15.976950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.3120","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":"2026-05-18T01:53:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"He01/89GG4EIPRgzp5bGThWKYlgysPCo951mMC/qL9c526G20ljYUdiRw8tx5gWlF2NFT+d6Tj2aSE3GUgzbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T09:25:59.354811Z"},"content_sha256":"bb3ea415bf79fae1b4d35e21a48b511a4815464282fea7cbf97de88427bb4fe0","schema_version":"1.0","event_id":"sha256:bb3ea415bf79fae1b4d35e21a48b511a4815464282fea7cbf97de88427bb4fe0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HK7YEJVQ5LFQVVPZFSZW4NEYYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physical properties of simulated galaxy populations at z=2 - II. Effects of cosmology, reionization and ISM physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"10), (10) Antwerpen), 2, 2), (2) Leiden, 3), (3) STScI, (4) University of Chicago, 5, (5) Kavli Institute for Cosmological Physics, (6) MPE, (7) HITS, 8), (8) Heidelberg, (9) Durham, Claudio Dalla Vecchia (6), C. M. Booth (4, Enrico Fermi Institute, Joop Schaye (2), Marcel R. Haas (1, Robert P.C. Wiersma (2) ((1) Rutgers University, Tom Theuns (9, Volker Springel (7","submitted_at":"2012-11-13T21:00:02Z","abstract_excerpt":"We use hydrodynamical simulations from the OWLS project to investigate the dependence of the physical properties of galaxy populations at redshift 2 on the assumed star formation law, the equation of state imposed on the unresolved interstellar medium, the stellar initial mass function, the reionization history, and the assumed cosmology. This work complements that of Paper I, where we studied the effects of varying models for galactic winds driven by star formation and AGN. The normalisation of the matter power spectrum strongly affects the galaxy mass function, but has a relatively small eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3120","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":"2026-05-18T01:53:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iL3LB2VVPJKk2fwoZh8Z3beSjGPCV6Rcs7EHBCrC3m26SuBHDDzIW5V9kRIQkWyJhQbzeJpfKQYLW7bkUkLECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T09:25:59.355181Z"},"content_sha256":"434b4d20cd8e127d1ae432e86898357f7bfba6ee97861ddf0a549470e46f3d5d","schema_version":"1.0","event_id":"sha256:434b4d20cd8e127d1ae432e86898357f7bfba6ee97861ddf0a549470e46f3d5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/bundle.json","state_url":"https://pith.science/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/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":"2026-06-02T09:25:59Z","links":{"resolver":"https://pith.science/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE","bundle":"https://pith.science/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/bundle.json","state":"https://pith.science/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HK7YEJVQ5LFQVVPZFSZW4NEYYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HK7YEJVQ5LFQVVPZFSZW4NEYYE","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":"8bd92f22f10ad088b021938dd623d18596fb0f96087b1d6e35892acd1bbd7924","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-13T21:00:02Z","title_canon_sha256":"de4077a50ef8283406ae42cb7a31aadf4d49b1975995ed93b186014ad331d2c4"},"schema_version":"1.0","source":{"id":"1211.3120","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3120","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3120v2","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3120","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"HK7YEJVQ5LFQ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HK7YEJVQ5LFQVVPZ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HK7YEJVQ","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:434b4d20cd8e127d1ae432e86898357f7bfba6ee97861ddf0a549470e46f3d5d","target":"graph","created_at":"2026-05-18T01:53:15Z","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":"We use hydrodynamical simulations from the OWLS project to investigate the dependence of the physical properties of galaxy populations at redshift 2 on the assumed star formation law, the equation of state imposed on the unresolved interstellar medium, the stellar initial mass function, the reionization history, and the assumed cosmology. This work complements that of Paper I, where we studied the effects of varying models for galactic winds driven by star formation and AGN. The normalisation of the matter power spectrum strongly affects the galaxy mass function, but has a relatively small eff","authors_text":"10), (10) Antwerpen), 2, 2), (2) Leiden, 3), (3) STScI, (4) University of Chicago, 5, (5) Kavli Institute for Cosmological Physics, (6) MPE, (7) HITS, 8), (8) Heidelberg, (9) Durham, Claudio Dalla Vecchia (6), C. M. Booth (4, Enrico Fermi Institute, Joop Schaye (2), Marcel R. Haas (1, Robert P.C. Wiersma (2) ((1) Rutgers University, Tom Theuns (9, Volker Springel (7","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-13T21:00:02Z","title":"Physical properties of simulated galaxy populations at z=2 - II. Effects of cosmology, reionization and ISM physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3120","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:bb3ea415bf79fae1b4d35e21a48b511a4815464282fea7cbf97de88427bb4fe0","target":"record","created_at":"2026-05-18T01:53:15Z","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":"8bd92f22f10ad088b021938dd623d18596fb0f96087b1d6e35892acd1bbd7924","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-13T21:00:02Z","title_canon_sha256":"de4077a50ef8283406ae42cb7a31aadf4d49b1975995ed93b186014ad331d2c4"},"schema_version":"1.0","source":{"id":"1211.3120","kind":"arxiv","version":2}},"canonical_sha256":"3abf8226b0eacb0ad5f92cb36e3498c1245e0270a3a55681c9a4d39ca3c54097","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3abf8226b0eacb0ad5f92cb36e3498c1245e0270a3a55681c9a4d39ca3c54097","first_computed_at":"2026-05-18T01:53:15.976950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:15.976950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U2N4m2TQAwehjZXgnTKdsRZQXj0+F5B40++dioYMncZdtzVt8qb2RRAsmslfUYXAKcvAnDLMaBi8u1Cq+1j8DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:15.977313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.3120","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb3ea415bf79fae1b4d35e21a48b511a4815464282fea7cbf97de88427bb4fe0","sha256:434b4d20cd8e127d1ae432e86898357f7bfba6ee97861ddf0a549470e46f3d5d"],"state_sha256":"3a22940fd81356c5c77287e7687d7b9e709d7b9799a4801e3fee90689d66e932"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tVdEXNCqYqIotyyoktx/cEBHPzQXQxAEgkhsUmeoXkV8+bR8wc2Oxcts7ZxoXPEkyYN7oC6qgN5X3lmHmTIIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T09:25:59.357275Z","bundle_sha256":"f2afc2abc0e61dfd49f1971c8822b3e570ee5e7e31ef1510c8712b8ac58edac0"}}