{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SP7YCA23JYHP77LBZ5XXVJPBEG","short_pith_number":"pith:SP7YCA23","canonical_record":{"source":{"id":"2507.01312","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-02T02:56:24Z","cross_cats_sorted":[],"title_canon_sha256":"8159953d94a9044d3eb6935170ceb76a6078b5f4dbdc9c2059abb40f5eb8d8da","abstract_canon_sha256":"57219d8ba8778e739a0ba0e1d6ab0b1de94bca9b81b36ed9bc13507aa87907f1"},"schema_version":"1.0"},"canonical_sha256":"93ff81035b4e0efffd61cf6f7aa5e121987cb88d9587d289a30097ee2050e4a5","source":{"kind":"arxiv","id":"2507.01312","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.01312","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"arxiv_version","alias_value":"2507.01312v2","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.01312","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_12","alias_value":"SP7YCA23JYHP","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_16","alias_value":"SP7YCA23JYHP77LB","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_8","alias_value":"SP7YCA23","created_at":"2026-07-05T11:34:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SP7YCA23JYHP77LBZ5XXVJPBEG","target":"record","payload":{"canonical_record":{"source":{"id":"2507.01312","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-02T02:56:24Z","cross_cats_sorted":[],"title_canon_sha256":"8159953d94a9044d3eb6935170ceb76a6078b5f4dbdc9c2059abb40f5eb8d8da","abstract_canon_sha256":"57219d8ba8778e739a0ba0e1d6ab0b1de94bca9b81b36ed9bc13507aa87907f1"},"schema_version":"1.0"},"canonical_sha256":"93ff81035b4e0efffd61cf6f7aa5e121987cb88d9587d289a30097ee2050e4a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:34:10.575970Z","signature_b64":"xmS7o8oV9u7KOUxemWkElYL4UEK64Essr1apjENaMQOu297mop2r0KU/wmnkrY6rJLvBvQrDhBHnBlnD/wXbCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93ff81035b4e0efffd61cf6f7aa5e121987cb88d9587d289a30097ee2050e4a5","last_reissued_at":"2026-07-05T11:34:10.575389Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:34:10.575389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.01312","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":"2026-07-05T11:34:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pU7aM21ygbJ/tHkrbSpFDfI2qgL1EGYsN/PBeCD7MTB0IX1jv1uPWBkUDeo0/62WCAEzKLVyzOofEB4zIZecCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:53:24.533748Z"},"content_sha256":"0eff258f6e5df420fa390024fe500d34eaad7aaceafa61f9f3c4acfee81d9a7a","schema_version":"1.0","event_id":"sha256:0eff258f6e5df420fa390024fe500d34eaad7aaceafa61f9f3c4acfee81d9a7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SP7YCA23JYHP77LBZ5XXVJPBEG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatially Resolving the Fundamental Elements of Reionization in Galaxies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexandra Le Reste, Allison Strom, Annalisa Citro, Anne Jaskot, Gagandeep Kaur, H{\\aa}kon Dahle, Hsiao-Wen Chen, Logan Jones, Matthew J. Hayes, Stephan McCandliss, Themiya Nanayakkara, Xinfeng Xu, Yumi Choi","submitted_at":"2025-07-02T02:56:24Z","abstract_excerpt":"Cosmic reionization marks a critical epoch when the first galaxies ionized the intergalactic medium through the escape of Lyman continuum (LyC) radiation. Young, massive star clusters are believed to be the primary LyC sources, yet the physical mechanisms enabling LyC escape remain poorly understood. Most existing studies rely on spatially integrated observations, which lack the resolution to resolve internal galaxy structure and pinpoint where and how LyC photons escape. To address this, we propose a science case for the Habitable Worlds Observatory (HWO) that enables spatially resolved spect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.01312","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/2507.01312/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":"2026-07-05T11:34:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HATQoeszSgJ6o8fLIOm+b6cKc3Po4bIKxU9N/9v+PrLCnmK063/dozVAvTvYpTMEfb+ynjCuKQsg6ECpHtM7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:53:24.534729Z"},"content_sha256":"3bd53d6d4ba011d6ac9d4a0d5a0fda06c6925a4cd4d1965d56ff5d154981a8b5","schema_version":"1.0","event_id":"sha256:3bd53d6d4ba011d6ac9d4a0d5a0fda06c6925a4cd4d1965d56ff5d154981a8b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/bundle.json","state_url":"https://pith.science/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/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":"2026-08-04T08:53:24Z","links":{"resolver":"https://pith.science/pith/SP7YCA23JYHP77LBZ5XXVJPBEG","bundle":"https://pith.science/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/bundle.json","state":"https://pith.science/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SP7YCA23JYHP77LBZ5XXVJPBEG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SP7YCA23JYHP77LBZ5XXVJPBEG","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":"57219d8ba8778e739a0ba0e1d6ab0b1de94bca9b81b36ed9bc13507aa87907f1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-02T02:56:24Z","title_canon_sha256":"8159953d94a9044d3eb6935170ceb76a6078b5f4dbdc9c2059abb40f5eb8d8da"},"schema_version":"1.0","source":{"id":"2507.01312","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.01312","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"arxiv_version","alias_value":"2507.01312v2","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.01312","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_12","alias_value":"SP7YCA23JYHP","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_16","alias_value":"SP7YCA23JYHP77LB","created_at":"2026-07-05T11:34:10Z"},{"alias_kind":"pith_short_8","alias_value":"SP7YCA23","created_at":"2026-07-05T11:34:10Z"}],"graph_snapshots":[{"event_id":"sha256:3bd53d6d4ba011d6ac9d4a0d5a0fda06c6925a4cd4d1965d56ff5d154981a8b5","target":"graph","created_at":"2026-07-05T11:34:10Z","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/2507.01312/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cosmic reionization marks a critical epoch when the first galaxies ionized the intergalactic medium through the escape of Lyman continuum (LyC) radiation. Young, massive star clusters are believed to be the primary LyC sources, yet the physical mechanisms enabling LyC escape remain poorly understood. Most existing studies rely on spatially integrated observations, which lack the resolution to resolve internal galaxy structure and pinpoint where and how LyC photons escape. To address this, we propose a science case for the Habitable Worlds Observatory (HWO) that enables spatially resolved spect","authors_text":"Alexandra Le Reste, Allison Strom, Annalisa Citro, Anne Jaskot, Gagandeep Kaur, H{\\aa}kon Dahle, Hsiao-Wen Chen, Logan Jones, Matthew J. Hayes, Stephan McCandliss, Themiya Nanayakkara, Xinfeng Xu, Yumi Choi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-02T02:56:24Z","title":"Spatially Resolving the Fundamental Elements of Reionization in Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.01312","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":"sha256:0eff258f6e5df420fa390024fe500d34eaad7aaceafa61f9f3c4acfee81d9a7a","target":"record","created_at":"2026-07-05T11:34:10Z","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":"57219d8ba8778e739a0ba0e1d6ab0b1de94bca9b81b36ed9bc13507aa87907f1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-02T02:56:24Z","title_canon_sha256":"8159953d94a9044d3eb6935170ceb76a6078b5f4dbdc9c2059abb40f5eb8d8da"},"schema_version":"1.0","source":{"id":"2507.01312","kind":"arxiv","version":2}},"canonical_sha256":"93ff81035b4e0efffd61cf6f7aa5e121987cb88d9587d289a30097ee2050e4a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93ff81035b4e0efffd61cf6f7aa5e121987cb88d9587d289a30097ee2050e4a5","first_computed_at":"2026-07-05T11:34:10.575389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:34:10.575389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xmS7o8oV9u7KOUxemWkElYL4UEK64Essr1apjENaMQOu297mop2r0KU/wmnkrY6rJLvBvQrDhBHnBlnD/wXbCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:34:10.575970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.01312","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0eff258f6e5df420fa390024fe500d34eaad7aaceafa61f9f3c4acfee81d9a7a","sha256:3bd53d6d4ba011d6ac9d4a0d5a0fda06c6925a4cd4d1965d56ff5d154981a8b5"],"state_sha256":"fef5b6ddbccc706aa62960116c076fc6b6143a606617af6e6452489df58bf426"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HWtJKPCR6yQQC4KbrF13MesRDvHJd943MIQLR+gFQvPt9s3upmmI/+UFt7gT0/I/2wYfx4pbD6o5qlnKXBWHAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:53:24.540746Z","bundle_sha256":"3e6b10310b64fff175a42ceab9c4248e1e2ecbc740cd4438911d0fe30c23a6dc"}}