{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5KIJ2EN2RVSRD34DOX2MEU6LEF","short_pith_number":"pith:5KIJ2EN2","canonical_record":{"source":{"id":"2302.05370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-10T16:48:50Z","cross_cats_sorted":[],"title_canon_sha256":"c17103888458c525f026e091472d229a02f39c24e14f2373cfcc66cede2a1b14","abstract_canon_sha256":"91b0454c64061aa2d946356f1916a1d26363182b2d457690932948ded993d06a"},"schema_version":"1.0"},"canonical_sha256":"ea909d11ba8d6511ef8375f4c253cb2171b3b211f04167605cce944d36595cc3","source":{"kind":"arxiv","id":"2302.05370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.05370","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"2302.05370v1","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.05370","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"5KIJ2EN2RVSR","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_16","alias_value":"5KIJ2EN2RVSRD34D","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_8","alias_value":"5KIJ2EN2","created_at":"2026-07-05T06:15:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5KIJ2EN2RVSRD34DOX2MEU6LEF","target":"record","payload":{"canonical_record":{"source":{"id":"2302.05370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-10T16:48:50Z","cross_cats_sorted":[],"title_canon_sha256":"c17103888458c525f026e091472d229a02f39c24e14f2373cfcc66cede2a1b14","abstract_canon_sha256":"91b0454c64061aa2d946356f1916a1d26363182b2d457690932948ded993d06a"},"schema_version":"1.0"},"canonical_sha256":"ea909d11ba8d6511ef8375f4c253cb2171b3b211f04167605cce944d36595cc3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:15:23.874741Z","signature_b64":"IQiLgCdx5pPqqQVVuEScGOROk+EqmKRrGwGIvhaiyVDfM9hnXNeuIccQEr0bPKYocZJA4W50v95fbcWgqvcUDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea909d11ba8d6511ef8375f4c253cb2171b3b211f04167605cce944d36595cc3","last_reissued_at":"2026-07-05T06:15:23.874193Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:15:23.874193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.05370","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":"2026-07-05T06:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJ2SJvFjykfc12Biye0nsvw/g7AQIZi8TbN9IVbqUSCwyQmC6GYmZqcgfXKGqj33b+cZ73OrUsRGq9vCNgzmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:18:32.558408Z"},"content_sha256":"1fa53b2fa5aebfa5b0530c332755a28fffb9a88d09446a0e4780ea19c47397f1","schema_version":"1.0","event_id":"sha256:1fa53b2fa5aebfa5b0530c332755a28fffb9a88d09446a0e4780ea19c47397f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5KIJ2EN2RVSRD34DOX2MEU6LEF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lyman-$\\alpha$ polarization from cosmological ionization fronts: II. Implications for intensity mapping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Christopher M. Hirata, Emily Koivu, Heyang Long, Yuanyuan Yang","submitted_at":"2023-02-10T16:48:50Z","abstract_excerpt":"This is the second paper in a series whose aim is to predict the power spectrum of intensity and polarized intensity from cosmic reionization fronts. After building the analytic models for intensity and polarized intensity calculations in paper I, here we apply these models to simulations of reionization. We construct a geometric model for identifying front boundaries, calculate the intensity and polarized intensity for each front, and compute a power spectrum of these results. This method was applied to different simulation sizes and resolutions, so we ensure that our results are convergent. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.05370","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/2302.05370/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":"2026-07-05T06:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qh7fQ0UaQxkDVfBmkpBwb4jbfWN4+RHqpmNBPfhapbPf4TxoHgiMIZc1F6S1Q1Nz2rGn5jkDZ3N21NdDFwlNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:18:32.558789Z"},"content_sha256":"79d6cf8892d407d25ddd31970cc1a1c19a3c18a4f67df688899b1f6b90e020bc","schema_version":"1.0","event_id":"sha256:79d6cf8892d407d25ddd31970cc1a1c19a3c18a4f67df688899b1f6b90e020bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/bundle.json","state_url":"https://pith.science/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/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":"2026-07-06T20:18:32Z","links":{"resolver":"https://pith.science/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF","bundle":"https://pith.science/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/bundle.json","state":"https://pith.science/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KIJ2EN2RVSRD34DOX2MEU6LEF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5KIJ2EN2RVSRD34DOX2MEU6LEF","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":"91b0454c64061aa2d946356f1916a1d26363182b2d457690932948ded993d06a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-10T16:48:50Z","title_canon_sha256":"c17103888458c525f026e091472d229a02f39c24e14f2373cfcc66cede2a1b14"},"schema_version":"1.0","source":{"id":"2302.05370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.05370","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"2302.05370v1","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.05370","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"5KIJ2EN2RVSR","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_16","alias_value":"5KIJ2EN2RVSRD34D","created_at":"2026-07-05T06:15:23Z"},{"alias_kind":"pith_short_8","alias_value":"5KIJ2EN2","created_at":"2026-07-05T06:15:23Z"}],"graph_snapshots":[{"event_id":"sha256:79d6cf8892d407d25ddd31970cc1a1c19a3c18a4f67df688899b1f6b90e020bc","target":"graph","created_at":"2026-07-05T06:15:23Z","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/2302.05370/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This is the second paper in a series whose aim is to predict the power spectrum of intensity and polarized intensity from cosmic reionization fronts. After building the analytic models for intensity and polarized intensity calculations in paper I, here we apply these models to simulations of reionization. We construct a geometric model for identifying front boundaries, calculate the intensity and polarized intensity for each front, and compute a power spectrum of these results. This method was applied to different simulation sizes and resolutions, so we ensure that our results are convergent. ","authors_text":"Christopher M. Hirata, Emily Koivu, Heyang Long, Yuanyuan Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-10T16:48:50Z","title":"Lyman-$\\alpha$ polarization from cosmological ionization fronts: II. Implications for intensity mapping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.05370","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":"sha256:1fa53b2fa5aebfa5b0530c332755a28fffb9a88d09446a0e4780ea19c47397f1","target":"record","created_at":"2026-07-05T06:15:23Z","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":"91b0454c64061aa2d946356f1916a1d26363182b2d457690932948ded993d06a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-10T16:48:50Z","title_canon_sha256":"c17103888458c525f026e091472d229a02f39c24e14f2373cfcc66cede2a1b14"},"schema_version":"1.0","source":{"id":"2302.05370","kind":"arxiv","version":1}},"canonical_sha256":"ea909d11ba8d6511ef8375f4c253cb2171b3b211f04167605cce944d36595cc3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea909d11ba8d6511ef8375f4c253cb2171b3b211f04167605cce944d36595cc3","first_computed_at":"2026-07-05T06:15:23.874193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:15:23.874193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IQiLgCdx5pPqqQVVuEScGOROk+EqmKRrGwGIvhaiyVDfM9hnXNeuIccQEr0bPKYocZJA4W50v95fbcWgqvcUDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:15:23.874741Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.05370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fa53b2fa5aebfa5b0530c332755a28fffb9a88d09446a0e4780ea19c47397f1","sha256:79d6cf8892d407d25ddd31970cc1a1c19a3c18a4f67df688899b1f6b90e020bc"],"state_sha256":"350368870405cffea3633099b1d155f64ef1406d93f7a95fbf834240c352d6ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IZ8Aayy2ML0QIKGCo6DMF52LxpFwFx0d164FGpyjcazNOxbI3H00JWcjBlkEbhSTh30rOmaxs8C5V5CgnbVADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:18:32.560668Z","bundle_sha256":"14a57de8d2f7171c0a2179a749b394295fe733b36f6fefad47200c220d34c036"}}