{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:P77M7AN4ZS4UKMWZHOLDEJGGMV","short_pith_number":"pith:P77M7AN4","canonical_record":{"source":{"id":"1508.01204","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-05T20:08:57Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"228fe6e6eb833b32c8651f29b10473ef5c0fb499901cc13ad7d1ca0db9b43bca","abstract_canon_sha256":"e49a587d28f6a8c4150d9637eb286ba48cc1a4a2f07282b491ececa0a43ba32b"},"schema_version":"1.0"},"canonical_sha256":"7ffecf81bcccb94532d93b963224c66563280256d21bef1f6755f111288e14fc","source":{"kind":"arxiv","id":"1508.01204","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01204","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01204v3","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01204","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"P77M7AN4ZS4U","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P77M7AN4ZS4UKMWZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P77M7AN4","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:P77M7AN4ZS4UKMWZHOLDEJGGMV","target":"record","payload":{"canonical_record":{"source":{"id":"1508.01204","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-05T20:08:57Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"228fe6e6eb833b32c8651f29b10473ef5c0fb499901cc13ad7d1ca0db9b43bca","abstract_canon_sha256":"e49a587d28f6a8c4150d9637eb286ba48cc1a4a2f07282b491ececa0a43ba32b"},"schema_version":"1.0"},"canonical_sha256":"7ffecf81bcccb94532d93b963224c66563280256d21bef1f6755f111288e14fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:26.236020Z","signature_b64":"JdbX75D+ivPBRUAzE0zJXH/u6dnOLlJsjTGJtuugtAu39kuoG3N2aH8AObvw1caTh2By1r4Smzdw6W3rb0GhDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ffecf81bcccb94532d93b963224c66563280256d21bef1f6755f111288e14fc","last_reissued_at":"2026-05-18T01:25:26.235554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:26.235554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.01204","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/HME6+/42V+z7dUj1ReDY1a1um2mfmoFfmTkcz+f3gWb6O9osCQCeqaXrZn1hhD2AnAfkDV6uDLgun83A8QCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:22:22.310404Z"},"content_sha256":"f2824d5b1d63ec43141c30e997ebdeb8e5c36ca8a67f6f01f280feee9a652348","schema_version":"1.0","event_id":"sha256:f2824d5b1d63ec43141c30e997ebdeb8e5c36ca8a67f6f01f280feee9a652348"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:P77M7AN4ZS4UKMWZHOLDEJGGMV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Galaxy UV Luminosity Function Before the Epoch of Reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Charlotte Mason, Michele Trenti, Tommaso Treu","submitted_at":"2015-08-05T20:08:57Z","abstract_excerpt":"We present a model for the evolution of the galaxy ultraviolet (UV) luminosity function (LF) across cosmic time where star formation is linked to the assembly of dark matter halos under the assumption of a mass dependent, but redshift independent, efficiency. We introduce a new self-consistent treatment of the halo star formation history, which allows us to make predictions at $z>10$ (lookback time $\\lesssim500$ Myr), when growth is rapid. With a calibration at a single redshift to set the stellar-to-halo mass ratio, and no further degrees of freedom, our model captures the evolution of the UV"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01204","kind":"arxiv","version":3},"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":"2026-05-18T01:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N4BpHRS5YdxPX9JO8ND/zDGofeduEOoqn+xsJytEaSrqQA/rB4wIFStszNo7Yuyg38rlziltubjbCQmkuUM4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:22:22.311079Z"},"content_sha256":"1dd43d2a0d0613617208d60b2538b1587294097bb756d13a9fda1144899d08f9","schema_version":"1.0","event_id":"sha256:1dd43d2a0d0613617208d60b2538b1587294097bb756d13a9fda1144899d08f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/bundle.json","state_url":"https://pith.science/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/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":"2026-05-27T01:22:22Z","links":{"resolver":"https://pith.science/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV","bundle":"https://pith.science/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/bundle.json","state":"https://pith.science/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P77M7AN4ZS4UKMWZHOLDEJGGMV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:P77M7AN4ZS4UKMWZHOLDEJGGMV","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":"e49a587d28f6a8c4150d9637eb286ba48cc1a4a2f07282b491ececa0a43ba32b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-05T20:08:57Z","title_canon_sha256":"228fe6e6eb833b32c8651f29b10473ef5c0fb499901cc13ad7d1ca0db9b43bca"},"schema_version":"1.0","source":{"id":"1508.01204","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01204","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01204v3","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01204","created_at":"2026-05-18T01:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"P77M7AN4ZS4U","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P77M7AN4ZS4UKMWZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P77M7AN4","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:1dd43d2a0d0613617208d60b2538b1587294097bb756d13a9fda1144899d08f9","target":"graph","created_at":"2026-05-18T01:25:26Z","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 present a model for the evolution of the galaxy ultraviolet (UV) luminosity function (LF) across cosmic time where star formation is linked to the assembly of dark matter halos under the assumption of a mass dependent, but redshift independent, efficiency. We introduce a new self-consistent treatment of the halo star formation history, which allows us to make predictions at $z>10$ (lookback time $\\lesssim500$ Myr), when growth is rapid. With a calibration at a single redshift to set the stellar-to-halo mass ratio, and no further degrees of freedom, our model captures the evolution of the UV","authors_text":"Charlotte Mason, Michele Trenti, Tommaso Treu","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-05T20:08:57Z","title":"The Galaxy UV Luminosity Function Before the Epoch of Reionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01204","kind":"arxiv","version":3},"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:f2824d5b1d63ec43141c30e997ebdeb8e5c36ca8a67f6f01f280feee9a652348","target":"record","created_at":"2026-05-18T01:25:26Z","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":"e49a587d28f6a8c4150d9637eb286ba48cc1a4a2f07282b491ececa0a43ba32b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-05T20:08:57Z","title_canon_sha256":"228fe6e6eb833b32c8651f29b10473ef5c0fb499901cc13ad7d1ca0db9b43bca"},"schema_version":"1.0","source":{"id":"1508.01204","kind":"arxiv","version":3}},"canonical_sha256":"7ffecf81bcccb94532d93b963224c66563280256d21bef1f6755f111288e14fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ffecf81bcccb94532d93b963224c66563280256d21bef1f6755f111288e14fc","first_computed_at":"2026-05-18T01:25:26.235554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:26.235554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JdbX75D+ivPBRUAzE0zJXH/u6dnOLlJsjTGJtuugtAu39kuoG3N2aH8AObvw1caTh2By1r4Smzdw6W3rb0GhDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:26.236020Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.01204","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2824d5b1d63ec43141c30e997ebdeb8e5c36ca8a67f6f01f280feee9a652348","sha256:1dd43d2a0d0613617208d60b2538b1587294097bb756d13a9fda1144899d08f9"],"state_sha256":"5c6981f3fce7bd8fe1be4bb6902211cd1912e3ea6f2a4df085bbdc4385f9ec63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ESW1rfG87r+4XiryMo04vQqwOnlTFkrWszQcvn75Lw2qBdl7yZBOufWIIQ5+f6pszfunShWmdY8PuXUpmHUvDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:22:22.314712Z","bundle_sha256":"fe4ad6f0a5f7cbfd440af38a3408e11a18b38ccf8b0952b535f2112225ef7e3d"}}