{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:354UTHATYUGP4N2QO5CON7HM7K","short_pith_number":"pith:354UTHAT","canonical_record":{"source":{"id":"2509.07063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-09-08T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"2c88b571c71e63facdcf527698c7b4f742cc4d76f18484d5b4abd56d8563a627","abstract_canon_sha256":"cb3f248a4fe251596369f0fefd1b88e7d1528096f44e7b6e2ca5db62d5b35f88"},"schema_version":"1.0"},"canonical_sha256":"df79499c13c50cfe37507744e6fcecfa9c41ff7b34077e9f69b0898bcd9302c6","source":{"kind":"arxiv","id":"2509.07063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.07063","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"2509.07063v1","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.07063","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"354UTHATYUGP","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_16","alias_value":"354UTHATYUGP4N2Q","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_8","alias_value":"354UTHAT","created_at":"2026-07-05T12:07:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:354UTHATYUGP4N2QO5CON7HM7K","target":"record","payload":{"canonical_record":{"source":{"id":"2509.07063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-09-08T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"2c88b571c71e63facdcf527698c7b4f742cc4d76f18484d5b4abd56d8563a627","abstract_canon_sha256":"cb3f248a4fe251596369f0fefd1b88e7d1528096f44e7b6e2ca5db62d5b35f88"},"schema_version":"1.0"},"canonical_sha256":"df79499c13c50cfe37507744e6fcecfa9c41ff7b34077e9f69b0898bcd9302c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:07:15.012844Z","signature_b64":"lXeUF6jcl9TfcN1fmGVvTCVYiC9W1JJahGorsGDrcsspyzrU7d1IcgRkxAB3dMCB0GykeGdQ170aaMU0wakiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df79499c13c50cfe37507744e6fcecfa9c41ff7b34077e9f69b0898bcd9302c6","last_reissued_at":"2026-07-05T12:07:15.012409Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:07:15.012409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.07063","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":"2026-07-05T12:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MSfBUrovPMIvkvDfQF6jmfkj686DnMhyKCv/GErt2WA8TUQMCqyCGJZNDggype19lTkcIeMEMf48U+vmly86Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:04:59.688857Z"},"content_sha256":"1b38c28d5c58652bc702b17a7771229141a51805f59242c0eb19c5272f2a4297","schema_version":"1.0","event_id":"sha256:1b38c28d5c58652bc702b17a7771229141a51805f59242c0eb19c5272f2a4297"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:354UTHATYUGP4N2QO5CON7HM7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulations of Flare Chemistry in Brown Dwarf Companions to Active M Dwarfs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Aidan Gibbs, Michael P. Fitzgerald","submitted_at":"2025-09-08T18:00:00Z","abstract_excerpt":"Brown dwarfs that are short period ($<10\\,$day) companions to actively flaring M dwarfs may provide a context to directly observe flare-driven photochemistry and structural changes in an extrasolar planet-like atmosphere. To assess the viability of directly observing flare impacts in the atmosphere of a brown dwarf, we perform self-consistent temperature-chemistry modeling of the atmospheric response to individual energetic superflares. We modified the existing open-source \\texttt{VULCAN} chemical-kinetics and \\texttt{HELIOS} radiative-transfer codes for this purpose. Similar to previous studi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.07063","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/2509.07063/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":"2026-07-05T12:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MOOuFHYZevt2ipfbX3ion6WXzUfRw/zpQBjsg277Z/KcT6WL091MJYjBTXar3X7S00iNIbhlP8CyJEfbuVPICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:04:59.689828Z"},"content_sha256":"d1aaba26197a9ed5bdc4e47f5fd74f468abc3f9636d0651e481259b320cae948","schema_version":"1.0","event_id":"sha256:d1aaba26197a9ed5bdc4e47f5fd74f468abc3f9636d0651e481259b320cae948"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/354UTHATYUGP4N2QO5CON7HM7K/bundle.json","state_url":"https://pith.science/pith/354UTHATYUGP4N2QO5CON7HM7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/354UTHATYUGP4N2QO5CON7HM7K/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":"2026-08-06T18:04:59Z","links":{"resolver":"https://pith.science/pith/354UTHATYUGP4N2QO5CON7HM7K","bundle":"https://pith.science/pith/354UTHATYUGP4N2QO5CON7HM7K/bundle.json","state":"https://pith.science/pith/354UTHATYUGP4N2QO5CON7HM7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/354UTHATYUGP4N2QO5CON7HM7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:354UTHATYUGP4N2QO5CON7HM7K","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":"cb3f248a4fe251596369f0fefd1b88e7d1528096f44e7b6e2ca5db62d5b35f88","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-09-08T18:00:00Z","title_canon_sha256":"2c88b571c71e63facdcf527698c7b4f742cc4d76f18484d5b4abd56d8563a627"},"schema_version":"1.0","source":{"id":"2509.07063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.07063","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"2509.07063v1","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.07063","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"354UTHATYUGP","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_16","alias_value":"354UTHATYUGP4N2Q","created_at":"2026-07-05T12:07:15Z"},{"alias_kind":"pith_short_8","alias_value":"354UTHAT","created_at":"2026-07-05T12:07:15Z"}],"graph_snapshots":[{"event_id":"sha256:d1aaba26197a9ed5bdc4e47f5fd74f468abc3f9636d0651e481259b320cae948","target":"graph","created_at":"2026-07-05T12:07:15Z","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/2509.07063/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Brown dwarfs that are short period ($<10\\,$day) companions to actively flaring M dwarfs may provide a context to directly observe flare-driven photochemistry and structural changes in an extrasolar planet-like atmosphere. To assess the viability of directly observing flare impacts in the atmosphere of a brown dwarf, we perform self-consistent temperature-chemistry modeling of the atmospheric response to individual energetic superflares. We modified the existing open-source \\texttt{VULCAN} chemical-kinetics and \\texttt{HELIOS} radiative-transfer codes for this purpose. Similar to previous studi","authors_text":"Aidan Gibbs, Michael P. Fitzgerald","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-09-08T18:00:00Z","title":"Simulations of Flare Chemistry in Brown Dwarf Companions to Active M Dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.07063","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":"sha256:1b38c28d5c58652bc702b17a7771229141a51805f59242c0eb19c5272f2a4297","target":"record","created_at":"2026-07-05T12:07:15Z","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":"cb3f248a4fe251596369f0fefd1b88e7d1528096f44e7b6e2ca5db62d5b35f88","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-09-08T18:00:00Z","title_canon_sha256":"2c88b571c71e63facdcf527698c7b4f742cc4d76f18484d5b4abd56d8563a627"},"schema_version":"1.0","source":{"id":"2509.07063","kind":"arxiv","version":1}},"canonical_sha256":"df79499c13c50cfe37507744e6fcecfa9c41ff7b34077e9f69b0898bcd9302c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df79499c13c50cfe37507744e6fcecfa9c41ff7b34077e9f69b0898bcd9302c6","first_computed_at":"2026-07-05T12:07:15.012409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:07:15.012409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lXeUF6jcl9TfcN1fmGVvTCVYiC9W1JJahGorsGDrcsspyzrU7d1IcgRkxAB3dMCB0GykeGdQ170aaMU0wakiBw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:07:15.012844Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.07063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b38c28d5c58652bc702b17a7771229141a51805f59242c0eb19c5272f2a4297","sha256:d1aaba26197a9ed5bdc4e47f5fd74f468abc3f9636d0651e481259b320cae948"],"state_sha256":"eba1c5d1356b358d4f94d26a29f29c9ec06ea4a043a17fa6fadb85c110d22fc7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RjdbX8LH9HW8wQVz9EqTGegO6CShGBDo0CPxgn1/HFRtqTcEEdba8fuBZcaCmHHf3CbGCrk7ByQLj/8N9Z5GDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:04:59.695707Z","bundle_sha256":"8163dcec7a8ce08dbfce6cf398b0769f53dc02227e9a34da833695084798a77c"}}