{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:HBRHRGQEJXGRDKYJIOW3CQPMGI","short_pith_number":"pith:HBRHRGQE","canonical_record":{"source":{"id":"2307.06360","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-12T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"936fe78c4ab380c3189b674f4cffd7433be2844c83a0641d64bee7932d761ac5","abstract_canon_sha256":"475f3cdfc395b131ff359627ec6947a22ca542b8f59e88646994a98ec13bb7f5"},"schema_version":"1.0"},"canonical_sha256":"3862789a044dcd11ab0943adb141ec32225c314fece27106f2e115613f15afe0","source":{"kind":"arxiv","id":"2307.06360","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06360","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06360v2","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06360","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_12","alias_value":"HBRHRGQEJXGR","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_16","alias_value":"HBRHRGQEJXGRDKYJ","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_8","alias_value":"HBRHRGQE","created_at":"2026-07-05T07:07:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:HBRHRGQEJXGRDKYJIOW3CQPMGI","target":"record","payload":{"canonical_record":{"source":{"id":"2307.06360","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-12T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"936fe78c4ab380c3189b674f4cffd7433be2844c83a0641d64bee7932d761ac5","abstract_canon_sha256":"475f3cdfc395b131ff359627ec6947a22ca542b8f59e88646994a98ec13bb7f5"},"schema_version":"1.0"},"canonical_sha256":"3862789a044dcd11ab0943adb141ec32225c314fece27106f2e115613f15afe0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:07:54.198212Z","signature_b64":"HNMv5gMixxtkyY6udFCv8k4g8CkijoL/XUTUJahv/ccdlk0LJKFcEfxeWSCYeeWJXxjbsMJovfejYg+SjmMHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3862789a044dcd11ab0943adb141ec32225c314fece27106f2e115613f15afe0","last_reissued_at":"2026-07-05T07:07:54.197646Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:07:54.197646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.06360","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":"2026-07-05T07:07:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kgXbO5QZPq58slB8RvrtP6YSCSSJIQVEuk18P3tqL6PZjOY48pYw5mJIMgb23hcsvc7lqwgIIlzVAAvC3Qh4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:45:28.384542Z"},"content_sha256":"e17680c056a27246cf5cbc27eae4eb5fa6d4cb4728ffa12094aa27c552090b0d","schema_version":"1.0","event_id":"sha256:e17680c056a27246cf5cbc27eae4eb5fa6d4cb4728ffa12094aa27c552090b0d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:HBRHRGQEJXGRDKYJIOW3CQPMGI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Exploration of AGN and Stellar Feedback Effects in the Intergalactic Medium via the Low Redshift Lyman-$\\alpha$ Forest","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Blakesley Burkhart, Daniel Angl\\'es-Alc\\'azar, Federico Marinacci, Greg L. Bryan, Lars Hernquist, Mark Vogelsberger, Megan Taylor Tillman, Rachel S. Somerville, Romeel Dav\\'e, Simeon Bird, Stephanie Tonnesen, Sultan Hassan","submitted_at":"2023-07-12T18:00:02Z","abstract_excerpt":"We explore the role of galactic feedback on the low redshift Lyman-$\\alpha$ (Ly$\\alpha$)~forest ($z \\lesssim 2$) statistics and its potential to alter the thermal state of the intergalactic medium. Using the Cosmology and Astrophysics with Machine Learning Simulations (CAMELS) suite, we explore variations of the AGN and stellar feedback models in the IllustrisTNG and Simba sub-grid models. We find that both AGN and stellar feedback in Simba play a role in setting the Ly$\\alpha$ forest column density distribution function (CDD) and the Doppler width ($b$-value) distribution. The Simba AGN jet f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06360","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/2307.06360/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":"2026-07-05T07:07:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4Xg6VLGWBaax2Asr/BdQ+ADApVJiBuTo2c+CU+OqjC8Q1p3LqyWeWBeOlwE/dA6NiPWqOmYUNCEEArTsnsECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:45:28.385317Z"},"content_sha256":"642f7969e5ee947695eb191740785c41d336f21f8bfc31765e9c9a2d9411c4ec","schema_version":"1.0","event_id":"sha256:642f7969e5ee947695eb191740785c41d336f21f8bfc31765e9c9a2d9411c4ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/bundle.json","state_url":"https://pith.science/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/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":"2026-08-17T05:45:28Z","links":{"resolver":"https://pith.science/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI","bundle":"https://pith.science/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/bundle.json","state":"https://pith.science/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HBRHRGQEJXGRDKYJIOW3CQPMGI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:HBRHRGQEJXGRDKYJIOW3CQPMGI","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":"475f3cdfc395b131ff359627ec6947a22ca542b8f59e88646994a98ec13bb7f5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-12T18:00:02Z","title_canon_sha256":"936fe78c4ab380c3189b674f4cffd7433be2844c83a0641d64bee7932d761ac5"},"schema_version":"1.0","source":{"id":"2307.06360","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06360","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06360v2","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06360","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_12","alias_value":"HBRHRGQEJXGR","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_16","alias_value":"HBRHRGQEJXGRDKYJ","created_at":"2026-07-05T07:07:54Z"},{"alias_kind":"pith_short_8","alias_value":"HBRHRGQE","created_at":"2026-07-05T07:07:54Z"}],"graph_snapshots":[{"event_id":"sha256:642f7969e5ee947695eb191740785c41d336f21f8bfc31765e9c9a2d9411c4ec","target":"graph","created_at":"2026-07-05T07:07:54Z","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/2307.06360/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore the role of galactic feedback on the low redshift Lyman-$\\alpha$ (Ly$\\alpha$)~forest ($z \\lesssim 2$) statistics and its potential to alter the thermal state of the intergalactic medium. Using the Cosmology and Astrophysics with Machine Learning Simulations (CAMELS) suite, we explore variations of the AGN and stellar feedback models in the IllustrisTNG and Simba sub-grid models. We find that both AGN and stellar feedback in Simba play a role in setting the Ly$\\alpha$ forest column density distribution function (CDD) and the Doppler width ($b$-value) distribution. The Simba AGN jet f","authors_text":"Blakesley Burkhart, Daniel Angl\\'es-Alc\\'azar, Federico Marinacci, Greg L. Bryan, Lars Hernquist, Mark Vogelsberger, Megan Taylor Tillman, Rachel S. Somerville, Romeel Dav\\'e, Simeon Bird, Stephanie Tonnesen, Sultan Hassan","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-12T18:00:02Z","title":"An Exploration of AGN and Stellar Feedback Effects in the Intergalactic Medium via the Low Redshift Lyman-$\\alpha$ Forest"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06360","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:e17680c056a27246cf5cbc27eae4eb5fa6d4cb4728ffa12094aa27c552090b0d","target":"record","created_at":"2026-07-05T07:07:54Z","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":"475f3cdfc395b131ff359627ec6947a22ca542b8f59e88646994a98ec13bb7f5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-12T18:00:02Z","title_canon_sha256":"936fe78c4ab380c3189b674f4cffd7433be2844c83a0641d64bee7932d761ac5"},"schema_version":"1.0","source":{"id":"2307.06360","kind":"arxiv","version":2}},"canonical_sha256":"3862789a044dcd11ab0943adb141ec32225c314fece27106f2e115613f15afe0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3862789a044dcd11ab0943adb141ec32225c314fece27106f2e115613f15afe0","first_computed_at":"2026-07-05T07:07:54.197646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:07:54.197646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HNMv5gMixxtkyY6udFCv8k4g8CkijoL/XUTUJahv/ccdlk0LJKFcEfxeWSCYeeWJXxjbsMJovfejYg+SjmMHCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:07:54.198212Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.06360","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e17680c056a27246cf5cbc27eae4eb5fa6d4cb4728ffa12094aa27c552090b0d","sha256:642f7969e5ee947695eb191740785c41d336f21f8bfc31765e9c9a2d9411c4ec"],"state_sha256":"3f7e4e74d7660f36b9e154e2ba8379067d90cac0fa8e41d53046c6fe24ee5f51"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JUQFH8v1JAzlb1r4hXDYWxi3L6E6cIO+QUYfe0KGi0csx61fzSI5GudKS9RpbuBQQbMnSc9Oyu7hgWpaWRyNDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T05:45:28.391304Z","bundle_sha256":"10a610f8dd5d62d9513574c5120ca7c61ea18827f58af095f11753eb1d5f597c"}}