{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3LY4UVUBEKZ56YHUTBWBWXANJT","short_pith_number":"pith:3LY4UVUB","canonical_record":{"source":{"id":"2410.00450","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-10-01T07:07:45Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"b97e7c45c86d6369b62123ba170c781a0261d363ecad478ebf0e163c1376616e","abstract_canon_sha256":"2ebd00b32e46185abdf8234a86887cfebdf80b470ee908701c18b6f0f2d9aa2b"},"schema_version":"1.0"},"canonical_sha256":"daf1ca568122b3df60f4986c1b5c0d4ceca71a6a2be058bded08772c4f714ad4","source":{"kind":"arxiv","id":"2410.00450","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.00450","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"2410.00450v3","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.00450","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"3LY4UVUBEKZ5","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"3LY4UVUBEKZ56YHU","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"3LY4UVUB","created_at":"2026-07-05T11:12:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3LY4UVUBEKZ56YHUTBWBWXANJT","target":"record","payload":{"canonical_record":{"source":{"id":"2410.00450","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-10-01T07:07:45Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"b97e7c45c86d6369b62123ba170c781a0261d363ecad478ebf0e163c1376616e","abstract_canon_sha256":"2ebd00b32e46185abdf8234a86887cfebdf80b470ee908701c18b6f0f2d9aa2b"},"schema_version":"1.0"},"canonical_sha256":"daf1ca568122b3df60f4986c1b5c0d4ceca71a6a2be058bded08772c4f714ad4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:12:20.839224Z","signature_b64":"Wehs8/k4Tp+S7YS99olS/lgSV4gX0LI3PTlBzU/oqKMlBjGUFRv7PUV/PjfxmpUk2RsuA8G6qEdKswV+hdurBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"daf1ca568122b3df60f4986c1b5c0d4ceca71a6a2be058bded08772c4f714ad4","last_reissued_at":"2026-07-05T11:12:20.838695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:12:20.838695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.00450","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":"2026-07-05T11:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1gVBpXWssSw+KSGqJcrbL+B9BWSvXjG1OOav5ZGdNnzyC2rJj6yUvHa+kJ1BEmaV2FuuH+uq8LWexamZBw1kBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T14:28:21.073189Z"},"content_sha256":"c9dac17067e34077c6cb8ede11ad7434f590ff6eb7ab24281cadac52e0f02b88","schema_version":"1.0","event_id":"sha256:c9dac17067e34077c6cb8ede11ad7434f590ff6eb7ab24281cadac52e0f02b88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3LY4UVUBEKZ56YHUTBWBWXANJT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic Ly$\\alpha$ Emission from Diffuse Gas","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Aaron Smith, Ke-Jung Chen, Sung-Han Tsai, Yi-Kuan Chiang","submitted_at":"2024-10-01T07:07:45Z","abstract_excerpt":"The Ly$\\alpha$ emission has emerged as a powerful tool for probing diffuse gas within the large-scale structure of the universe. In this paper, we investigate cosmic Ly$\\alpha$ emission by post-processing cosmological simulations from \\texttt{IllustrisTNG} and \\texttt{THESAN} project. Specifically, we calculate the Ly$\\alpha$ emission from galaxies, circum-galactic medium (CGM) and inter-galactic medium (IGM) across various redshifts. Our results show that IGM alone is significantly under the current observational upper limits. Meanwhile, CGM overshoots the observed galaxy contribution at $z \\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.00450","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.00450/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":"2026-07-05T11:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgf+ILAUTucrRh/luHAI0t7NdkuugGYiJPBudQEzD/GJ9IdSEq72rBTWitP+1K5RwWe+Y0tcIn4E9WiOo4K6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T14:28:21.073985Z"},"content_sha256":"b91cf9e59120c976af363253a0d433cb8d82db2fa5cd66776743553d170badf0","schema_version":"1.0","event_id":"sha256:b91cf9e59120c976af363253a0d433cb8d82db2fa5cd66776743553d170badf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/bundle.json","state_url":"https://pith.science/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/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":"2026-08-20T14:28:21Z","links":{"resolver":"https://pith.science/pith/3LY4UVUBEKZ56YHUTBWBWXANJT","bundle":"https://pith.science/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/bundle.json","state":"https://pith.science/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3LY4UVUBEKZ56YHUTBWBWXANJT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3LY4UVUBEKZ56YHUTBWBWXANJT","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":"2ebd00b32e46185abdf8234a86887cfebdf80b470ee908701c18b6f0f2d9aa2b","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-10-01T07:07:45Z","title_canon_sha256":"b97e7c45c86d6369b62123ba170c781a0261d363ecad478ebf0e163c1376616e"},"schema_version":"1.0","source":{"id":"2410.00450","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.00450","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"2410.00450v3","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.00450","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"3LY4UVUBEKZ5","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"3LY4UVUBEKZ56YHU","created_at":"2026-07-05T11:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"3LY4UVUB","created_at":"2026-07-05T11:12:20Z"}],"graph_snapshots":[{"event_id":"sha256:b91cf9e59120c976af363253a0d433cb8d82db2fa5cd66776743553d170badf0","target":"graph","created_at":"2026-07-05T11:12:20Z","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/2410.00450/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Ly$\\alpha$ emission has emerged as a powerful tool for probing diffuse gas within the large-scale structure of the universe. In this paper, we investigate cosmic Ly$\\alpha$ emission by post-processing cosmological simulations from \\texttt{IllustrisTNG} and \\texttt{THESAN} project. Specifically, we calculate the Ly$\\alpha$ emission from galaxies, circum-galactic medium (CGM) and inter-galactic medium (IGM) across various redshifts. Our results show that IGM alone is significantly under the current observational upper limits. Meanwhile, CGM overshoots the observed galaxy contribution at $z \\","authors_text":"Aaron Smith, Ke-Jung Chen, Sung-Han Tsai, Yi-Kuan Chiang","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-10-01T07:07:45Z","title":"Cosmic Ly$\\alpha$ Emission from Diffuse Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.00450","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:c9dac17067e34077c6cb8ede11ad7434f590ff6eb7ab24281cadac52e0f02b88","target":"record","created_at":"2026-07-05T11:12:20Z","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":"2ebd00b32e46185abdf8234a86887cfebdf80b470ee908701c18b6f0f2d9aa2b","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-10-01T07:07:45Z","title_canon_sha256":"b97e7c45c86d6369b62123ba170c781a0261d363ecad478ebf0e163c1376616e"},"schema_version":"1.0","source":{"id":"2410.00450","kind":"arxiv","version":3}},"canonical_sha256":"daf1ca568122b3df60f4986c1b5c0d4ceca71a6a2be058bded08772c4f714ad4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"daf1ca568122b3df60f4986c1b5c0d4ceca71a6a2be058bded08772c4f714ad4","first_computed_at":"2026-07-05T11:12:20.838695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:12:20.838695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wehs8/k4Tp+S7YS99olS/lgSV4gX0LI3PTlBzU/oqKMlBjGUFRv7PUV/PjfxmpUk2RsuA8G6qEdKswV+hdurBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:12:20.839224Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.00450","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9dac17067e34077c6cb8ede11ad7434f590ff6eb7ab24281cadac52e0f02b88","sha256:b91cf9e59120c976af363253a0d433cb8d82db2fa5cd66776743553d170badf0"],"state_sha256":"b847ca140acba7b141c41b84c4e0e4ddc4549f37ca570c93ac681fdaf62978e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jl2FNy5/sbYmaExmxU3dudW4GApQ6LqStO3TivcByyPCxE7Mbkqdbz5gAfKbEdThFtv86qA+PNhjNJP+PVfqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T14:28:21.079788Z","bundle_sha256":"0bdf5d770d712d3396090b0ccd05f36ccf0f61cfbe5d96332da019915fae5631"}}