{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JC2VUYPL7LF5SVD7CCVPKFVTDV","short_pith_number":"pith:JC2VUYPL","canonical_record":{"source":{"id":"2508.05842","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-07T20:43:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"59312dd770caf53935898ebfb5f20ceeef9d72c7ca1ac0263e11f2a57c8285ef","abstract_canon_sha256":"91cbb38992236a59103c252b7247150f0a67f8aaee1635881d1c91f058b079fa"},"schema_version":"1.0"},"canonical_sha256":"48b55a61ebfacbd9547f10aaf516b31d6ef9733561e51bbe7fdc63a589c337fa","source":{"kind":"arxiv","id":"2508.05842","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05842","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05842v1","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05842","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_12","alias_value":"JC2VUYPL7LF5","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_16","alias_value":"JC2VUYPL7LF5SVD7","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_8","alias_value":"JC2VUYPL","created_at":"2026-07-05T11:50:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JC2VUYPL7LF5SVD7CCVPKFVTDV","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05842","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-07T20:43:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"59312dd770caf53935898ebfb5f20ceeef9d72c7ca1ac0263e11f2a57c8285ef","abstract_canon_sha256":"91cbb38992236a59103c252b7247150f0a67f8aaee1635881d1c91f058b079fa"},"schema_version":"1.0"},"canonical_sha256":"48b55a61ebfacbd9547f10aaf516b31d6ef9733561e51bbe7fdc63a589c337fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:44.238277Z","signature_b64":"bA2TYwMI48PVN7lCF9UtlyMyirH7opRsBik2gwhD2aWQXXJHQCotD57vHh4FnfWMp/+BKB+02g7avohqB0HlCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48b55a61ebfacbd9547f10aaf516b31d6ef9733561e51bbe7fdc63a589c337fa","last_reissued_at":"2026-07-05T11:50:44.237789Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:44.237789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05842","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":"2026-07-05T11:50:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xMwHSeG6sGJIVB3pA7gbKtbeR1mq+CP5TT8P0qFXDAfvo/4zgfkI6ypYmdj+x6GkqSXmhOdM7rKpZHxGDguhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:23:49.678483Z"},"content_sha256":"67e87ebda3bed1aade8e4a2cacfd2dedda30ad5b45eed3653de62a294760fb9f","schema_version":"1.0","event_id":"sha256:67e87ebda3bed1aade8e4a2cacfd2dedda30ad5b45eed3653de62a294760fb9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JC2VUYPL7LF5SVD7CCVPKFVTDV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stacked Hybrid RNN-CNN Reconstruction of X-ray Influence on 21-cm Brightness Temperature","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Bahareh Soleimanpour Salmasi, S. Mobina Hosseini","submitted_at":"2025-08-07T20:43:21Z","abstract_excerpt":"The X-ray photons substantially affect the thermal and ionization states of the intergalactic medium (IGM) during the Epoch of Reionization (EoR), thereby significantly influencing the 21-cm line observables such as its sky-averaged (global) brightness temperature. Nevertheless, the complicated dependency of astrophysical processes on a broad spectrum of parameters, including X-ray efficiency, spectral characteristics, and gas dynamics, makes precisely simulating the effect of X-ray flux challenging. Traditional approaches, including N-body and hydrodynamical simulations, are computationally i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05842","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/2508.05842/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":"2026-07-05T11:50:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4wvjUOwPucZuuDha/BIO11LsBi1X9xkDL5Kyi7TS2FhT5GP5muvSbpPMQ67SNae6ZwsJnNqTXwnqQcIDlHVNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:23:49.679036Z"},"content_sha256":"819af8c741632d9260eb538756799eca5285324f1c6084b8c23600d7ad735ee1","schema_version":"1.0","event_id":"sha256:819af8c741632d9260eb538756799eca5285324f1c6084b8c23600d7ad735ee1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/bundle.json","state_url":"https://pith.science/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/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":"2026-08-04T12:23:49Z","links":{"resolver":"https://pith.science/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV","bundle":"https://pith.science/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/bundle.json","state":"https://pith.science/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JC2VUYPL7LF5SVD7CCVPKFVTDV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JC2VUYPL7LF5SVD7CCVPKFVTDV","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":"91cbb38992236a59103c252b7247150f0a67f8aaee1635881d1c91f058b079fa","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-07T20:43:21Z","title_canon_sha256":"59312dd770caf53935898ebfb5f20ceeef9d72c7ca1ac0263e11f2a57c8285ef"},"schema_version":"1.0","source":{"id":"2508.05842","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05842","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05842v1","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05842","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_12","alias_value":"JC2VUYPL7LF5","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_16","alias_value":"JC2VUYPL7LF5SVD7","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_8","alias_value":"JC2VUYPL","created_at":"2026-07-05T11:50:44Z"}],"graph_snapshots":[{"event_id":"sha256:819af8c741632d9260eb538756799eca5285324f1c6084b8c23600d7ad735ee1","target":"graph","created_at":"2026-07-05T11:50:44Z","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/2508.05842/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The X-ray photons substantially affect the thermal and ionization states of the intergalactic medium (IGM) during the Epoch of Reionization (EoR), thereby significantly influencing the 21-cm line observables such as its sky-averaged (global) brightness temperature. Nevertheless, the complicated dependency of astrophysical processes on a broad spectrum of parameters, including X-ray efficiency, spectral characteristics, and gas dynamics, makes precisely simulating the effect of X-ray flux challenging. Traditional approaches, including N-body and hydrodynamical simulations, are computationally i","authors_text":"Bahareh Soleimanpour Salmasi, S. Mobina Hosseini","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-07T20:43:21Z","title":"Stacked Hybrid RNN-CNN Reconstruction of X-ray Influence on 21-cm Brightness Temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05842","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":"sha256:67e87ebda3bed1aade8e4a2cacfd2dedda30ad5b45eed3653de62a294760fb9f","target":"record","created_at":"2026-07-05T11:50:44Z","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":"91cbb38992236a59103c252b7247150f0a67f8aaee1635881d1c91f058b079fa","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-07T20:43:21Z","title_canon_sha256":"59312dd770caf53935898ebfb5f20ceeef9d72c7ca1ac0263e11f2a57c8285ef"},"schema_version":"1.0","source":{"id":"2508.05842","kind":"arxiv","version":1}},"canonical_sha256":"48b55a61ebfacbd9547f10aaf516b31d6ef9733561e51bbe7fdc63a589c337fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48b55a61ebfacbd9547f10aaf516b31d6ef9733561e51bbe7fdc63a589c337fa","first_computed_at":"2026-07-05T11:50:44.237789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:44.237789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bA2TYwMI48PVN7lCF9UtlyMyirH7opRsBik2gwhD2aWQXXJHQCotD57vHh4FnfWMp/+BKB+02g7avohqB0HlCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:44.238277Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05842","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67e87ebda3bed1aade8e4a2cacfd2dedda30ad5b45eed3653de62a294760fb9f","sha256:819af8c741632d9260eb538756799eca5285324f1c6084b8c23600d7ad735ee1"],"state_sha256":"8e1b2cdaf2fc68e9b16b630971ad21de9fb98237c1cf171e79d5608c9022075f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BLO8lYIOZZt97t0TQz8PSnUNq0tf6hA5YGqrGSdaB53/yQTJ6z/6+J6U/X0z6QPjoPCwYSxL/E9hXSoi9fspDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:23:49.684755Z","bundle_sha256":"3f3a4c18668dfb165614cffec041b2252ad6e3462d7b3415445bd510fb081625"}}