{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DXQPKHO5YJO6LVGXVZAVANUSAR","short_pith_number":"pith:DXQPKHO5","canonical_record":{"source":{"id":"2502.02647","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-02-04T19:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"ab6d3f8747450a324c1e55763182e081080725e70e6cfcefe12f6d1c8e8a8bc8","abstract_canon_sha256":"93593134b46bd1eec0c4ab62eceae54de5478e1582a52ad1056e9314fbd3cd4b"},"schema_version":"1.0"},"canonical_sha256":"1de0f51dddc25de5d4d7ae41503692046dfe6db85e9cd5cf54a52b8f7af192bb","source":{"kind":"arxiv","id":"2502.02647","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.02647","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"arxiv_version","alias_value":"2502.02647v2","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.02647","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_12","alias_value":"DXQPKHO5YJO6","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_16","alias_value":"DXQPKHO5YJO6LVGX","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_8","alias_value":"DXQPKHO5","created_at":"2026-07-05T10:52:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DXQPKHO5YJO6LVGXVZAVANUSAR","target":"record","payload":{"canonical_record":{"source":{"id":"2502.02647","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-02-04T19:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"ab6d3f8747450a324c1e55763182e081080725e70e6cfcefe12f6d1c8e8a8bc8","abstract_canon_sha256":"93593134b46bd1eec0c4ab62eceae54de5478e1582a52ad1056e9314fbd3cd4b"},"schema_version":"1.0"},"canonical_sha256":"1de0f51dddc25de5d4d7ae41503692046dfe6db85e9cd5cf54a52b8f7af192bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:52:19.121521Z","signature_b64":"jkYCCeMd6/p6yPoqAak95y5l6XQWeoB8tUvqC5SQqamFDrWiYlqnoOv6o+t/Q03jjCWOeIBUGeAIVOlXJObpCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1de0f51dddc25de5d4d7ae41503692046dfe6db85e9cd5cf54a52b8f7af192bb","last_reissued_at":"2026-07-05T10:52:19.121027Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:52:19.121027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.02647","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":"2026-07-05T10:52:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tgcYmP2lPvdoYX0AYKTa9DlfARSE9IeB9U8s3r50/8kzlFv3HzmvaKmFD7PVrQJnnItfI+O02WhvCAAW8oULCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:29:04.823355Z"},"content_sha256":"38d048e714506f1b7827db557c3005dcdae8f1ffeae1e35ba3fc3b440d313a50","schema_version":"1.0","event_id":"sha256:38d048e714506f1b7827db557c3005dcdae8f1ffeae1e35ba3fc3b440d313a50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DXQPKHO5YJO6LVGXVZAVANUSAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synergising semi-analytical models and hydrodynamical simulations to interpret JWST data from the first billion years","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Joakim Rosdahl, Martin G. Haehnelt, Pratika Dayal, Romain Teyssier, Taysun Kimm, Valentin Mauerhofer","submitted_at":"2025-02-04T19:00:04Z","abstract_excerpt":"The field of high redshift galaxy formation has been revolutionised by JWST, which is yielding unprecedented insights on galaxy assembly at early times. Our key aim is to study the physical mechanisms that can explain the unexpected abundance of bright galaxies at $z \\geq 11$, as well as their metal enrichment and spectral properties. We also use recent data to determine the key sources of reionisation. To do so, we implement cold gas fractions and star formation efficiencies derived from the SPHINX20 high-resolution radiation-hydrodynamics simulation into DELPHI, a semi-analytic model that tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.02647","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.02647/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:52:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQprIIHSDIP2ueXUuQz8muOBEO8/GpgoAUhsMMgTMpu8Q/euU7SU+lxb75t5+AIKwRWaNOZuJRIxPpq8fFLZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:29:04.823883Z"},"content_sha256":"096b0ccf97591fca6c53898949a69e39d9f7c333f1047345b946121054d1741d","schema_version":"1.0","event_id":"sha256:096b0ccf97591fca6c53898949a69e39d9f7c333f1047345b946121054d1741d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/bundle.json","state_url":"https://pith.science/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/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":"2026-08-01T01:29:04Z","links":{"resolver":"https://pith.science/pith/DXQPKHO5YJO6LVGXVZAVANUSAR","bundle":"https://pith.science/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/bundle.json","state":"https://pith.science/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DXQPKHO5YJO6LVGXVZAVANUSAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DXQPKHO5YJO6LVGXVZAVANUSAR","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":"93593134b46bd1eec0c4ab62eceae54de5478e1582a52ad1056e9314fbd3cd4b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-02-04T19:00:04Z","title_canon_sha256":"ab6d3f8747450a324c1e55763182e081080725e70e6cfcefe12f6d1c8e8a8bc8"},"schema_version":"1.0","source":{"id":"2502.02647","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.02647","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"arxiv_version","alias_value":"2502.02647v2","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.02647","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_12","alias_value":"DXQPKHO5YJO6","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_16","alias_value":"DXQPKHO5YJO6LVGX","created_at":"2026-07-05T10:52:19Z"},{"alias_kind":"pith_short_8","alias_value":"DXQPKHO5","created_at":"2026-07-05T10:52:19Z"}],"graph_snapshots":[{"event_id":"sha256:096b0ccf97591fca6c53898949a69e39d9f7c333f1047345b946121054d1741d","target":"graph","created_at":"2026-07-05T10:52:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.02647/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The field of high redshift galaxy formation has been revolutionised by JWST, which is yielding unprecedented insights on galaxy assembly at early times. Our key aim is to study the physical mechanisms that can explain the unexpected abundance of bright galaxies at $z \\geq 11$, as well as their metal enrichment and spectral properties. We also use recent data to determine the key sources of reionisation. To do so, we implement cold gas fractions and star formation efficiencies derived from the SPHINX20 high-resolution radiation-hydrodynamics simulation into DELPHI, a semi-analytic model that tr","authors_text":"Joakim Rosdahl, Martin G. Haehnelt, Pratika Dayal, Romain Teyssier, Taysun Kimm, Valentin Mauerhofer","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-02-04T19:00:04Z","title":"Synergising semi-analytical models and hydrodynamical simulations to interpret JWST data from the first billion years"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.02647","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":"sha256:38d048e714506f1b7827db557c3005dcdae8f1ffeae1e35ba3fc3b440d313a50","target":"record","created_at":"2026-07-05T10:52:19Z","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":"93593134b46bd1eec0c4ab62eceae54de5478e1582a52ad1056e9314fbd3cd4b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-02-04T19:00:04Z","title_canon_sha256":"ab6d3f8747450a324c1e55763182e081080725e70e6cfcefe12f6d1c8e8a8bc8"},"schema_version":"1.0","source":{"id":"2502.02647","kind":"arxiv","version":2}},"canonical_sha256":"1de0f51dddc25de5d4d7ae41503692046dfe6db85e9cd5cf54a52b8f7af192bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1de0f51dddc25de5d4d7ae41503692046dfe6db85e9cd5cf54a52b8f7af192bb","first_computed_at":"2026-07-05T10:52:19.121027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:52:19.121027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jkYCCeMd6/p6yPoqAak95y5l6XQWeoB8tUvqC5SQqamFDrWiYlqnoOv6o+t/Q03jjCWOeIBUGeAIVOlXJObpCA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:52:19.121521Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.02647","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38d048e714506f1b7827db557c3005dcdae8f1ffeae1e35ba3fc3b440d313a50","sha256:096b0ccf97591fca6c53898949a69e39d9f7c333f1047345b946121054d1741d"],"state_sha256":"b111aa9b500d3f3bf697c21e406f91fe35de16de402661a0a23eab2730002eda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZptVMq4jaoiNMeQkbmHyleXFdXDw9zpO4MKzX3LM/avjAvaXcDazkSMiFbR4r+/REpzksHczRKP47WggZNGDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T01:29:04.827564Z","bundle_sha256":"637f4710dffb706e3025ddd5063d88e4d445869fc49cad8c94d0825e731bd72a"}}