{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:FNYEHD6PHINU4VFGRTWL7DISQB","short_pith_number":"pith:FNYEHD6P","canonical_record":{"source":{"id":"2401.07396","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-15T00:07:15Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fe3f053e67dd30737c38192a4f7eaec7c27b03d0477a883cc277d624d9479f41","abstract_canon_sha256":"4e75505330ffdc0c04f3fd583b7b6c04933af725eab110e55ba36712b7a089ba"},"schema_version":"1.0"},"canonical_sha256":"2b70438fcf3a1b4e54a68cecbf8d128057cd5ef7fefd309d33a1a05753b3cefa","source":{"kind":"arxiv","id":"2401.07396","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07396","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07396v2","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07396","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_12","alias_value":"FNYEHD6PHINU","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_16","alias_value":"FNYEHD6PHINU4VFG","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_8","alias_value":"FNYEHD6P","created_at":"2026-07-05T07:47:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:FNYEHD6PHINU4VFGRTWL7DISQB","target":"record","payload":{"canonical_record":{"source":{"id":"2401.07396","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-15T00:07:15Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fe3f053e67dd30737c38192a4f7eaec7c27b03d0477a883cc277d624d9479f41","abstract_canon_sha256":"4e75505330ffdc0c04f3fd583b7b6c04933af725eab110e55ba36712b7a089ba"},"schema_version":"1.0"},"canonical_sha256":"2b70438fcf3a1b4e54a68cecbf8d128057cd5ef7fefd309d33a1a05753b3cefa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:47:28.160937Z","signature_b64":"EkL6HjcVVFJrE6csX/hKexnCJLIL0p6ay2lYBcQIVLH10LO85oLn0kx4Gt00wzORO+eNL1PPsLWp2rVHzlFYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b70438fcf3a1b4e54a68cecbf8d128057cd5ef7fefd309d33a1a05753b3cefa","last_reissued_at":"2026-07-05T07:47:28.160408Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:47:28.160408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.07396","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":"2026-07-05T07:47:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QCGlcnqi0FV6ZyyjSiXDqHDojsesc84bZVn462yzCNLQTTz0g0zEaJdXh3798bkKbbSWld+yiMHk1/19sVVjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:59:39.875640Z"},"content_sha256":"80e169601239134f03e8c8b4c26f883ba9bc693b60f6fcce65de9bee4736a843","schema_version":"1.0","event_id":"sha256:80e169601239134f03e8c8b4c26f883ba9bc693b60f6fcce65de9bee4736a843"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:FNYEHD6PHINU4VFGRTWL7DISQB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semi-analytic modelling of Pop. III star formation and metallicity evolution -- I. Impact on the UV luminosity functions at z = 9-16","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Emanuele M. Ventura, J. Stuart B. Wyithe, Sreedhar Balu, YuXiang Qin","submitted_at":"2024-01-15T00:07:15Z","abstract_excerpt":"We implemented Population III (Pop. III) star formation in mini-halos within the MERAXES semi-analytic galaxy formation and reionisation model, run on top of a N-body simulation with $L = 10 h^{-1}$ cMpc with 2048$^3$ particles resolving all dark matter halos down to the mini-halos ($\\sim 10^5 M_\\odot$). Our modelling includes the chemical evolution of the IGM, with metals released through supernova-driven bubbles that expand according to the Sedov-Taylor model. We found that SN-driven metal bubbles are generally small, with radii typically of 150 ckpc at z = 6. Hence, the majority of the firs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07396","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/2401.07396/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":"2026-07-05T07:47:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wz85Zw6KkBaFWFMwyD5GKn/0G/j7TkJvvfBD3VCs1LIF2gA2iTB5pHrnvM14jp+DGFvOJ9Js2s3WYTipASL+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:59:39.876143Z"},"content_sha256":"7bfa12c58cc4cfc7095f6763c7a1bd977e646b579caf54d5ab1625b503d22f20","schema_version":"1.0","event_id":"sha256:7bfa12c58cc4cfc7095f6763c7a1bd977e646b579caf54d5ab1625b503d22f20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FNYEHD6PHINU4VFGRTWL7DISQB/bundle.json","state_url":"https://pith.science/pith/FNYEHD6PHINU4VFGRTWL7DISQB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FNYEHD6PHINU4VFGRTWL7DISQB/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":"2026-08-04T11:59:39Z","links":{"resolver":"https://pith.science/pith/FNYEHD6PHINU4VFGRTWL7DISQB","bundle":"https://pith.science/pith/FNYEHD6PHINU4VFGRTWL7DISQB/bundle.json","state":"https://pith.science/pith/FNYEHD6PHINU4VFGRTWL7DISQB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FNYEHD6PHINU4VFGRTWL7DISQB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FNYEHD6PHINU4VFGRTWL7DISQB","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":"4e75505330ffdc0c04f3fd583b7b6c04933af725eab110e55ba36712b7a089ba","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-15T00:07:15Z","title_canon_sha256":"fe3f053e67dd30737c38192a4f7eaec7c27b03d0477a883cc277d624d9479f41"},"schema_version":"1.0","source":{"id":"2401.07396","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07396","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07396v2","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07396","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_12","alias_value":"FNYEHD6PHINU","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_16","alias_value":"FNYEHD6PHINU4VFG","created_at":"2026-07-05T07:47:28Z"},{"alias_kind":"pith_short_8","alias_value":"FNYEHD6P","created_at":"2026-07-05T07:47:28Z"}],"graph_snapshots":[{"event_id":"sha256:7bfa12c58cc4cfc7095f6763c7a1bd977e646b579caf54d5ab1625b503d22f20","target":"graph","created_at":"2026-07-05T07:47:28Z","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/2401.07396/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We implemented Population III (Pop. III) star formation in mini-halos within the MERAXES semi-analytic galaxy formation and reionisation model, run on top of a N-body simulation with $L = 10 h^{-1}$ cMpc with 2048$^3$ particles resolving all dark matter halos down to the mini-halos ($\\sim 10^5 M_\\odot$). Our modelling includes the chemical evolution of the IGM, with metals released through supernova-driven bubbles that expand according to the Sedov-Taylor model. We found that SN-driven metal bubbles are generally small, with radii typically of 150 ckpc at z = 6. Hence, the majority of the firs","authors_text":"Emanuele M. Ventura, J. Stuart B. Wyithe, Sreedhar Balu, YuXiang Qin","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-15T00:07:15Z","title":"Semi-analytic modelling of Pop. III star formation and metallicity evolution -- I. Impact on the UV luminosity functions at z = 9-16"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07396","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":"sha256:80e169601239134f03e8c8b4c26f883ba9bc693b60f6fcce65de9bee4736a843","target":"record","created_at":"2026-07-05T07:47:28Z","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":"4e75505330ffdc0c04f3fd583b7b6c04933af725eab110e55ba36712b7a089ba","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-15T00:07:15Z","title_canon_sha256":"fe3f053e67dd30737c38192a4f7eaec7c27b03d0477a883cc277d624d9479f41"},"schema_version":"1.0","source":{"id":"2401.07396","kind":"arxiv","version":2}},"canonical_sha256":"2b70438fcf3a1b4e54a68cecbf8d128057cd5ef7fefd309d33a1a05753b3cefa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b70438fcf3a1b4e54a68cecbf8d128057cd5ef7fefd309d33a1a05753b3cefa","first_computed_at":"2026-07-05T07:47:28.160408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:28.160408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EkL6HjcVVFJrE6csX/hKexnCJLIL0p6ay2lYBcQIVLH10LO85oLn0kx4Gt00wzORO+eNL1PPsLWp2rVHzlFYAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:28.160937Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.07396","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80e169601239134f03e8c8b4c26f883ba9bc693b60f6fcce65de9bee4736a843","sha256:7bfa12c58cc4cfc7095f6763c7a1bd977e646b579caf54d5ab1625b503d22f20"],"state_sha256":"44ecace996a6685c9c59383db18aace95036779f239384a6bec1e7137e9ce3eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xUCMetjGRewfFeq1wsnrUPt/qLe3ZYUjx2bs6OnuOzccUw8ACZ13zJP6He4Bh29esC2dfYz9UalDiRU3pPdmDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T11:59:39.880321Z","bundle_sha256":"29f1b31cc4aea518ce0acc19064e1fe3efa83af4b7b4b06537604182e22027bb"}}