{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:52U7PVK4GCKATW63WHDDNUEIO4","short_pith_number":"pith:52U7PVK4","canonical_record":{"source":{"id":"1211.1034","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-05T21:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"b42b0bbc11c49ff51242a38d6339fd6ea9168f401af70d9707b4f426b9494546","abstract_canon_sha256":"3ff93f9917a673e10beb3ae67fb0b70f393cb0ff597ba54fee8daffecf46721a"},"schema_version":"1.0"},"canonical_sha256":"eea9f7d55c309409dbdbb1c636d088770418cdd13ae4795233bb2ed2798bd6c6","source":{"kind":"arxiv","id":"1211.1034","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.1034","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"1211.1034v2","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1034","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"52U7PVK4GCKA","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"52U7PVK4GCKATW63","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"52U7PVK4","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:52U7PVK4GCKATW63WHDDNUEIO4","target":"record","payload":{"canonical_record":{"source":{"id":"1211.1034","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-05T21:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"b42b0bbc11c49ff51242a38d6339fd6ea9168f401af70d9707b4f426b9494546","abstract_canon_sha256":"3ff93f9917a673e10beb3ae67fb0b70f393cb0ff597ba54fee8daffecf46721a"},"schema_version":"1.0"},"canonical_sha256":"eea9f7d55c309409dbdbb1c636d088770418cdd13ae4795233bb2ed2798bd6c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:25.465215Z","signature_b64":"5Hn/J9OJe0+zUF7rcskwyMkpAGaCGB/xHFNLyfEDEQObmkSMLs0WeUfNY+X83Q9nSLfKWJOrLPSaJg9qm5h7DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eea9f7d55c309409dbdbb1c636d088770418cdd13ae4795233bb2ed2798bd6c6","last_reissued_at":"2026-05-18T01:53:25.464579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:25.464579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.1034","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":"2026-05-18T01:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5RLKaHZWZFYBCgZ3cp2B919qaOVx1Xniw/CLVmCb/AYGuGevURJ5W6hUM6KB8mjT6Qd+KT7bCjySgfS6ebtFCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:52:22.653826Z"},"content_sha256":"ddf138dfa37d53148e134b9f0327c981bc2aa4628b44c3fdfaac197ebbdbc4fb","schema_version":"1.0","event_id":"sha256:ddf138dfa37d53148e134b9f0327c981bc2aa4628b44c3fdfaac197ebbdbc4fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:52U7PVK4GCKATW63WHDDNUEIO4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating the assembly of galaxies at redshifts z = 6 - 12","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Benedetta Ciardi, James S. Dunlop, Pratika Dayal, Umberto Maio","submitted_at":"2012-11-05T21:01:52Z","abstract_excerpt":"We use state-of-the-art simulations to explore the physical evolution of galaxies in the first billion years of cosmic time. First, we demonstrate that our model reproduces the basic statistical properties of the observed Lyman-break galaxy (LBG) population at z = 6 - 8, including the evolving ultra-violet (UV) luminosity function (LF), the stellar-mass density (SMD), and the average specific star-formation rates (sSFR) of LBGs with M_{UV} < -18 (AB mag). Encouraged by this success we present predictions for the behaviour of fainter LBGs extending down to M_{UV} <= -15 (as will be probed with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1034","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":"2026-05-18T01:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oOR4yXd0ITT42s2dPQwl5gAxuWY15j4E9I5Mwx0ROfG5+3E51+eqgMkuwTcXbUDj9FCA06ug1Z2lA0UYLbGSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:52:22.654197Z"},"content_sha256":"7124873f73bef65a6f645e35f7c62548c846a666287a3f785d89ce3102199484","schema_version":"1.0","event_id":"sha256:7124873f73bef65a6f645e35f7c62548c846a666287a3f785d89ce3102199484"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/52U7PVK4GCKATW63WHDDNUEIO4/bundle.json","state_url":"https://pith.science/pith/52U7PVK4GCKATW63WHDDNUEIO4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/52U7PVK4GCKATW63WHDDNUEIO4/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":"2026-06-02T19:52:22Z","links":{"resolver":"https://pith.science/pith/52U7PVK4GCKATW63WHDDNUEIO4","bundle":"https://pith.science/pith/52U7PVK4GCKATW63WHDDNUEIO4/bundle.json","state":"https://pith.science/pith/52U7PVK4GCKATW63WHDDNUEIO4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/52U7PVK4GCKATW63WHDDNUEIO4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:52U7PVK4GCKATW63WHDDNUEIO4","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":"3ff93f9917a673e10beb3ae67fb0b70f393cb0ff597ba54fee8daffecf46721a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-05T21:01:52Z","title_canon_sha256":"b42b0bbc11c49ff51242a38d6339fd6ea9168f401af70d9707b4f426b9494546"},"schema_version":"1.0","source":{"id":"1211.1034","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.1034","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"1211.1034v2","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1034","created_at":"2026-05-18T01:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"52U7PVK4GCKA","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"52U7PVK4GCKATW63","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"52U7PVK4","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:7124873f73bef65a6f645e35f7c62548c846a666287a3f785d89ce3102199484","target":"graph","created_at":"2026-05-18T01:53:25Z","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 state-of-the-art simulations to explore the physical evolution of galaxies in the first billion years of cosmic time. First, we demonstrate that our model reproduces the basic statistical properties of the observed Lyman-break galaxy (LBG) population at z = 6 - 8, including the evolving ultra-violet (UV) luminosity function (LF), the stellar-mass density (SMD), and the average specific star-formation rates (sSFR) of LBGs with M_{UV} < -18 (AB mag). Encouraged by this success we present predictions for the behaviour of fainter LBGs extending down to M_{UV} <= -15 (as will be probed with ","authors_text":"Benedetta Ciardi, James S. Dunlop, Pratika Dayal, Umberto Maio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-05T21:01:52Z","title":"Simulating the assembly of galaxies at redshifts z = 6 - 12"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1034","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:ddf138dfa37d53148e134b9f0327c981bc2aa4628b44c3fdfaac197ebbdbc4fb","target":"record","created_at":"2026-05-18T01:53:25Z","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":"3ff93f9917a673e10beb3ae67fb0b70f393cb0ff597ba54fee8daffecf46721a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-05T21:01:52Z","title_canon_sha256":"b42b0bbc11c49ff51242a38d6339fd6ea9168f401af70d9707b4f426b9494546"},"schema_version":"1.0","source":{"id":"1211.1034","kind":"arxiv","version":2}},"canonical_sha256":"eea9f7d55c309409dbdbb1c636d088770418cdd13ae4795233bb2ed2798bd6c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eea9f7d55c309409dbdbb1c636d088770418cdd13ae4795233bb2ed2798bd6c6","first_computed_at":"2026-05-18T01:53:25.464579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:25.464579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Hn/J9OJe0+zUF7rcskwyMkpAGaCGB/xHFNLyfEDEQObmkSMLs0WeUfNY+X83Q9nSLfKWJOrLPSaJg9qm5h7DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:25.465215Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.1034","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddf138dfa37d53148e134b9f0327c981bc2aa4628b44c3fdfaac197ebbdbc4fb","sha256:7124873f73bef65a6f645e35f7c62548c846a666287a3f785d89ce3102199484"],"state_sha256":"add25cf942a5e27509ea0639e8d75c3cd7493be33d1dd53c6d30807642caf69c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GyLetaDck3+pHAKI4XfYfklYw52QY3DVx1sZL8yYlBsxOdtGhg0VROMUNKulyGtyHugZ8PkAPMCGgO0DfRrjDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:52:22.656253Z","bundle_sha256":"72fa4a07f5269c856c7eccd4ac82ea73327bca69477e3fe8fc8b7b54dc5c15b0"}}