{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2SP3Q35TYQ3XZFPCSAMQSEJJAA","short_pith_number":"pith:2SP3Q35T","canonical_record":{"source":{"id":"2507.17817","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-23T18:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"bd9eb3b4dbcb050e9a8cddaaee470e6a0fd4dc36f7a614b97e495ef1ee9dff8b","abstract_canon_sha256":"1bf2e89d19a2650ffe9b851c0114048f1fdca1c25d413478ff6811e4eb97f82a"},"schema_version":"1.0"},"canonical_sha256":"d49fb86fb3c4377c95e290190911290014049340ba81e32750ffbce7622155df","source":{"kind":"arxiv","id":"2507.17817","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.17817","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"arxiv_version","alias_value":"2507.17817v1","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.17817","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_12","alias_value":"2SP3Q35TYQ3X","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_16","alias_value":"2SP3Q35TYQ3XZFPC","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_8","alias_value":"2SP3Q35T","created_at":"2026-07-05T11:42:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2SP3Q35TYQ3XZFPCSAMQSEJJAA","target":"record","payload":{"canonical_record":{"source":{"id":"2507.17817","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-23T18:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"bd9eb3b4dbcb050e9a8cddaaee470e6a0fd4dc36f7a614b97e495ef1ee9dff8b","abstract_canon_sha256":"1bf2e89d19a2650ffe9b851c0114048f1fdca1c25d413478ff6811e4eb97f82a"},"schema_version":"1.0"},"canonical_sha256":"d49fb86fb3c4377c95e290190911290014049340ba81e32750ffbce7622155df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:42:55.494418Z","signature_b64":"fgbzqcVQ1uCYNNbaaCOBwY4cYTiE0a8XYu1zS1cpSSI3HWrMZxA6zXu4EdRqLYBRYKcr4yNGQkGUxPUra5BjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d49fb86fb3c4377c95e290190911290014049340ba81e32750ffbce7622155df","last_reissued_at":"2026-07-05T11:42:55.493941Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:42:55.493941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.17817","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:42:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gld1acqkNYuF/KiGRWbqVlDVARGAblQJbYkJ8kW8D9RfOZBkS7+ooExw3oSKdVMcVcpsk3abTwezXay7RvFgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:28:05.728741Z"},"content_sha256":"9e2a79f7181f78b8bb4c33a5682efb0f7f81716f6344c78429cfff36fe5ed4ba","schema_version":"1.0","event_id":"sha256:9e2a79f7181f78b8bb4c33a5682efb0f7f81716f6344c78429cfff36fe5ed4ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2SP3Q35TYQ3XZFPCSAMQSEJJAA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the ionizing photon output of galaxies near cosmic dawn with the patchy kSZ effect","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Anson D'Aloisio, Christopher Cain, Garett Lopez","submitted_at":"2025-07-23T18:00:02Z","abstract_excerpt":"A key result from JWST's first cycles is that galaxy formation was well underway by $z=10$. The implications of these early galaxies for reionization are less clear, however. The CMB is one of the few windows into the ionization state of the IGM during reionization's first half, providing an important probe of the ionizing photon sources at those times. Meanwhile, measurements of the Lyman-$\\alpha$ forest in the spectra of high-$z$ quasars have improved to the level of tightly constraining the timing of reionization's end. In this paper, we use radiative transfer simulations to explore how mea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.17817","kind":"arxiv","version":1},"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/2507.17817/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":"2026-07-05T11:42:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"thMcBp/5HunkC1vyuPaIV3PA/5RfbU3Zelk2v+Pr+N+aI2fzLnYa7SjKO1JxPFQpiXNswNcJBIwXdQ+7B0ssDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:28:05.729241Z"},"content_sha256":"cbba6151ff7644ea9e95cb46040bfec8b143a3623c37bc59eaa229b5619a42fa","schema_version":"1.0","event_id":"sha256:cbba6151ff7644ea9e95cb46040bfec8b143a3623c37bc59eaa229b5619a42fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/bundle.json","state_url":"https://pith.science/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/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":"2026-08-07T03:28:05Z","links":{"resolver":"https://pith.science/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA","bundle":"https://pith.science/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/bundle.json","state":"https://pith.science/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SP3Q35TYQ3XZFPCSAMQSEJJAA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2SP3Q35TYQ3XZFPCSAMQSEJJAA","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":"1bf2e89d19a2650ffe9b851c0114048f1fdca1c25d413478ff6811e4eb97f82a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-23T18:00:02Z","title_canon_sha256":"bd9eb3b4dbcb050e9a8cddaaee470e6a0fd4dc36f7a614b97e495ef1ee9dff8b"},"schema_version":"1.0","source":{"id":"2507.17817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.17817","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"arxiv_version","alias_value":"2507.17817v1","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.17817","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_12","alias_value":"2SP3Q35TYQ3X","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_16","alias_value":"2SP3Q35TYQ3XZFPC","created_at":"2026-07-05T11:42:55Z"},{"alias_kind":"pith_short_8","alias_value":"2SP3Q35T","created_at":"2026-07-05T11:42:55Z"}],"graph_snapshots":[{"event_id":"sha256:cbba6151ff7644ea9e95cb46040bfec8b143a3623c37bc59eaa229b5619a42fa","target":"graph","created_at":"2026-07-05T11:42:55Z","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/2507.17817/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A key result from JWST's first cycles is that galaxy formation was well underway by $z=10$. The implications of these early galaxies for reionization are less clear, however. The CMB is one of the few windows into the ionization state of the IGM during reionization's first half, providing an important probe of the ionizing photon sources at those times. Meanwhile, measurements of the Lyman-$\\alpha$ forest in the spectra of high-$z$ quasars have improved to the level of tightly constraining the timing of reionization's end. In this paper, we use radiative transfer simulations to explore how mea","authors_text":"Anson D'Aloisio, Christopher Cain, Garett Lopez","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-23T18:00:02Z","title":"Probing the ionizing photon output of galaxies near cosmic dawn with the patchy kSZ effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.17817","kind":"arxiv","version":1},"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":"sha256:9e2a79f7181f78b8bb4c33a5682efb0f7f81716f6344c78429cfff36fe5ed4ba","target":"record","created_at":"2026-07-05T11:42:55Z","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":"1bf2e89d19a2650ffe9b851c0114048f1fdca1c25d413478ff6811e4eb97f82a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-23T18:00:02Z","title_canon_sha256":"bd9eb3b4dbcb050e9a8cddaaee470e6a0fd4dc36f7a614b97e495ef1ee9dff8b"},"schema_version":"1.0","source":{"id":"2507.17817","kind":"arxiv","version":1}},"canonical_sha256":"d49fb86fb3c4377c95e290190911290014049340ba81e32750ffbce7622155df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d49fb86fb3c4377c95e290190911290014049340ba81e32750ffbce7622155df","first_computed_at":"2026-07-05T11:42:55.493941Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:42:55.493941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fgbzqcVQ1uCYNNbaaCOBwY4cYTiE0a8XYu1zS1cpSSI3HWrMZxA6zXu4EdRqLYBRYKcr4yNGQkGUxPUra5BjAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:42:55.494418Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.17817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e2a79f7181f78b8bb4c33a5682efb0f7f81716f6344c78429cfff36fe5ed4ba","sha256:cbba6151ff7644ea9e95cb46040bfec8b143a3623c37bc59eaa229b5619a42fa"],"state_sha256":"ef56c4cefbbed0d0cf930ce86a2a62184870583c9da0fff63305772282d8e18b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WychVUCLcxqlABBgRl0FBLcS7T/AD/5U9MWDOjFWC+MQj4qQkvDSJtBzR+Q1HNs6glqyQ87xTPSCGJDCHr4VCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T03:28:05.734330Z","bundle_sha256":"bf6e9380b1ccc192a84e50aa321604f91e700f156c5edbcc034d26a0e08f48f1"}}