{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7KJNIUCXN7H2TKA4BC5XLQX7VM","short_pith_number":"pith:7KJNIUCX","canonical_record":{"source":{"id":"2502.09702","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-02-13T19:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"366ec06f132faab7bdcd097b1f1bcb4311c08703d209f4463bded2b3ff70638f","abstract_canon_sha256":"f825c92ebc533a6207031affe1c534cb5ee68a1c792bc64b6111892397cc02ff"},"schema_version":"1.0"},"canonical_sha256":"fa92d450576fcfa9a81c08bb75c2ffab3c2ceaf57503fd9e14256e1a99152859","source":{"kind":"arxiv","id":"2502.09702","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09702","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09702v2","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09702","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"7KJNIUCXN7H2","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_16","alias_value":"7KJNIUCXN7H2TKA4","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_8","alias_value":"7KJNIUCX","created_at":"2026-07-05T10:17:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7KJNIUCXN7H2TKA4BC5XLQX7VM","target":"record","payload":{"canonical_record":{"source":{"id":"2502.09702","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-02-13T19:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"366ec06f132faab7bdcd097b1f1bcb4311c08703d209f4463bded2b3ff70638f","abstract_canon_sha256":"f825c92ebc533a6207031affe1c534cb5ee68a1c792bc64b6111892397cc02ff"},"schema_version":"1.0"},"canonical_sha256":"fa92d450576fcfa9a81c08bb75c2ffab3c2ceaf57503fd9e14256e1a99152859","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:17:17.088092Z","signature_b64":"G+cYT+Hbv6tlPxZKRwnMqVBmaLpUDUfZSCdfvTZF0RDj9OXr5I2Iv3/TBk8XpddlFU9AvPBKUynNngrWZje/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa92d450576fcfa9a81c08bb75c2ffab3c2ceaf57503fd9e14256e1a99152859","last_reissued_at":"2026-07-05T10:17:17.087602Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:17:17.087602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.09702","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":"2026-07-05T10:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpWwlzU/gk7E3dtwKnBvpXe0ByFARyrTg7tsjT183lyjR0tmAh/vwv20NRug+naAxCLvt2gg5voHRafUztuiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:00:33.816867Z"},"content_sha256":"ab89361dd0394c1bd3f6b34deaffe5468baf1c908284dfcc8bf0435bd1a7f6d0","schema_version":"1.0","event_id":"sha256:ab89361dd0394c1bd3f6b34deaffe5468baf1c908284dfcc8bf0435bd1a7f6d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7KJNIUCXN7H2TKA4BC5XLQX7VM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Habitable Zone and Atmosphere Retention Distance (HaZARD) Stellar-evolution-dependent loss models of secondary atmospheres","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Colin Johnstone, Gwena\\\"el Van Looveren, Kristina Kislyakova, Manuel G\\\"udel, Oliver Herbort, Simon Schleich, Sudeshna Boro Saikia","submitted_at":"2025-02-13T19:00:02Z","abstract_excerpt":"A major open question in exoplanet research is whether secondary atmospheres are rare around Earth-sized rocky exoplanets. In this work we determine the distance at which an Earth-sized planet orbiting a variety of stellar hosts could retain a CO2- or N2-dominated atmosphere and compare this atmospheric retention distance (ARD) with that of the liquid-water HZ. We combined planetary atmosphere models with stellar evolution models. The atmospheric models produced by the thermochemical Kompot code allowed us to calculate the Jeans escape rates for different stellar masses, rotation rates, and ag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09702","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/2502.09702/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":"2026-07-05T10:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fxDQYqjCLPtMV8BRV/AieEFYH5ZBA+g//258n5W7nJXk4BbhvcOTQls7D+55GC7b2ERP2isVGlNnwQxYZuVzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:00:33.817709Z"},"content_sha256":"e5d3c03aa8e2b1fa882a781f5f6abb8d3593f97d6a67e22903f751f434aec95b","schema_version":"1.0","event_id":"sha256:e5d3c03aa8e2b1fa882a781f5f6abb8d3593f97d6a67e22903f751f434aec95b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/bundle.json","state_url":"https://pith.science/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/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":"2026-08-03T18:00:33Z","links":{"resolver":"https://pith.science/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM","bundle":"https://pith.science/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/bundle.json","state":"https://pith.science/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KJNIUCXN7H2TKA4BC5XLQX7VM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7KJNIUCXN7H2TKA4BC5XLQX7VM","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":"f825c92ebc533a6207031affe1c534cb5ee68a1c792bc64b6111892397cc02ff","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-02-13T19:00:02Z","title_canon_sha256":"366ec06f132faab7bdcd097b1f1bcb4311c08703d209f4463bded2b3ff70638f"},"schema_version":"1.0","source":{"id":"2502.09702","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09702","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09702v2","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09702","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"7KJNIUCXN7H2","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_16","alias_value":"7KJNIUCXN7H2TKA4","created_at":"2026-07-05T10:17:17Z"},{"alias_kind":"pith_short_8","alias_value":"7KJNIUCX","created_at":"2026-07-05T10:17:17Z"}],"graph_snapshots":[{"event_id":"sha256:e5d3c03aa8e2b1fa882a781f5f6abb8d3593f97d6a67e22903f751f434aec95b","target":"graph","created_at":"2026-07-05T10:17:17Z","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/2502.09702/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A major open question in exoplanet research is whether secondary atmospheres are rare around Earth-sized rocky exoplanets. In this work we determine the distance at which an Earth-sized planet orbiting a variety of stellar hosts could retain a CO2- or N2-dominated atmosphere and compare this atmospheric retention distance (ARD) with that of the liquid-water HZ. We combined planetary atmosphere models with stellar evolution models. The atmospheric models produced by the thermochemical Kompot code allowed us to calculate the Jeans escape rates for different stellar masses, rotation rates, and ag","authors_text":"Colin Johnstone, Gwena\\\"el Van Looveren, Kristina Kislyakova, Manuel G\\\"udel, Oliver Herbort, Simon Schleich, Sudeshna Boro Saikia","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-02-13T19:00:02Z","title":"Habitable Zone and Atmosphere Retention Distance (HaZARD) Stellar-evolution-dependent loss models of secondary atmospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09702","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:ab89361dd0394c1bd3f6b34deaffe5468baf1c908284dfcc8bf0435bd1a7f6d0","target":"record","created_at":"2026-07-05T10:17:17Z","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":"f825c92ebc533a6207031affe1c534cb5ee68a1c792bc64b6111892397cc02ff","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-02-13T19:00:02Z","title_canon_sha256":"366ec06f132faab7bdcd097b1f1bcb4311c08703d209f4463bded2b3ff70638f"},"schema_version":"1.0","source":{"id":"2502.09702","kind":"arxiv","version":2}},"canonical_sha256":"fa92d450576fcfa9a81c08bb75c2ffab3c2ceaf57503fd9e14256e1a99152859","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa92d450576fcfa9a81c08bb75c2ffab3c2ceaf57503fd9e14256e1a99152859","first_computed_at":"2026-07-05T10:17:17.087602Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:17:17.087602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G+cYT+Hbv6tlPxZKRwnMqVBmaLpUDUfZSCdfvTZF0RDj9OXr5I2Iv3/TBk8XpddlFU9AvPBKUynNngrWZje/Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:17:17.088092Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.09702","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab89361dd0394c1bd3f6b34deaffe5468baf1c908284dfcc8bf0435bd1a7f6d0","sha256:e5d3c03aa8e2b1fa882a781f5f6abb8d3593f97d6a67e22903f751f434aec95b"],"state_sha256":"8152bfcb7cbf098a7f6a26076b5c9f46284ad49c2684aa6007d84efc07ef3ba6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XLFofIvPPExph0xSaSVygBB88J+MpIirkFabTeSZ0t42dcevfa8lqlHOLU1NuZpFobTOj6QXANz9pNtmrr6nDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:00:33.825200Z","bundle_sha256":"65c2bcebdacc51c53042ca4f8eefdaa276bf1becffd6dca4fbcabfbed64d477e"}}