{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LLLGH7CC2ES7FEUP2XBLPEEMA3","short_pith_number":"pith:LLLGH7CC","canonical_record":{"source":{"id":"1907.04933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-10T21:19:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7d7ef47a67ffff05dd7c7b04e67c9bb656517ef89d93722f5b4f6b74bd48af1b","abstract_canon_sha256":"17283768c9d68a12a9a75a025ab8fb02d0dfe55525c08d060c06e4e17961c9e9"},"schema_version":"1.0"},"canonical_sha256":"5ad663fc42d125f2928fd5c2b7908c06f245b0c8823bbaaf4bedd6cca1f761ff","source":{"kind":"arxiv","id":"1907.04933","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04933","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04933v1","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04933","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"LLLGH7CC2ES7","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LLLGH7CC2ES7FEUP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LLLGH7CC","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LLLGH7CC2ES7FEUP2XBLPEEMA3","target":"record","payload":{"canonical_record":{"source":{"id":"1907.04933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-10T21:19:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7d7ef47a67ffff05dd7c7b04e67c9bb656517ef89d93722f5b4f6b74bd48af1b","abstract_canon_sha256":"17283768c9d68a12a9a75a025ab8fb02d0dfe55525c08d060c06e4e17961c9e9"},"schema_version":"1.0"},"canonical_sha256":"5ad663fc42d125f2928fd5c2b7908c06f245b0c8823bbaaf4bedd6cca1f761ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:29.619843Z","signature_b64":"ff4GfccMDTO9hvwTVwuYcPSgG+WzNewhyk1bDfjrxp7+5l9Q4QvRUvrSdycgm9Y3Kpiho0taB9dipww0neDuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ad663fc42d125f2928fd5c2b7908c06f245b0c8823bbaaf4bedd6cca1f761ff","last_reissued_at":"2026-05-17T23:40:29.619164Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:29.619164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.04933","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":"2026-05-17T23:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FZqRt1sjhk6RZHK3qfja/xwfIF2/7AQBoeJQIrZc2mW5MtQoq4uOYd407DolXpqHC4N6otbXD+HQ3CWi9Mr5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:55:52.149545Z"},"content_sha256":"9e9dc50e47cf631293e82a156f89362efa03116cef4aeef02da97dcc077151d4","schema_version":"1.0","event_id":"sha256:9e9dc50e47cf631293e82a156f89362efa03116cef4aeef02da97dcc077151d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LLLGH7CC2ES7FEUP2XBLPEEMA3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamical interaction of stellar and planetary winds: effects of charge exchange and radiation pressure on the observed Ly$\\alpha$ absorption","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Esquivel, C. Villarreal D'Angelo, L. Krapp, M. A. Sgr\\'o, M. Schneiter","submitted_at":"2019-07-10T21:19:01Z","abstract_excerpt":"Lyman $\\alpha$ observations of the transiting exoplanet HD 209458b enable the study of exoplanets exospheres exposed to stellar EUV fluxes, as well as the interacting stellar wind properties. In this study we present 3D hydrodynamical models for the stellar-planetary wind interaction including radiation pressure and charge exchange, together with photoionization, recombination and collisional ionization processes. Our models explore the contribution of the radiation pressure and charge exchange on the Ly$\\alpha$ absorption profile in a hydrodynamical framework, and for a single set of stellar "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04933","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":""},"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":"2026-05-17T23:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q9N9N1jjXLIfJg1wNUwVZZfSBA/inxbaRz2ZuA75dSQPFwaENXOvMWQ8HOlNeZqkCCT5AGNO/uc9n7TDTJNEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:55:52.150234Z"},"content_sha256":"f6d070b40cd13e0f359b4809b42d652fb99de82d0316d77c0af6df86e75654fb","schema_version":"1.0","event_id":"sha256:f6d070b40cd13e0f359b4809b42d652fb99de82d0316d77c0af6df86e75654fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/bundle.json","state_url":"https://pith.science/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/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":"2026-05-25T10:55:52Z","links":{"resolver":"https://pith.science/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3","bundle":"https://pith.science/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/bundle.json","state":"https://pith.science/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LLLGH7CC2ES7FEUP2XBLPEEMA3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LLLGH7CC2ES7FEUP2XBLPEEMA3","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":"17283768c9d68a12a9a75a025ab8fb02d0dfe55525c08d060c06e4e17961c9e9","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-10T21:19:01Z","title_canon_sha256":"7d7ef47a67ffff05dd7c7b04e67c9bb656517ef89d93722f5b4f6b74bd48af1b"},"schema_version":"1.0","source":{"id":"1907.04933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04933","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04933v1","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04933","created_at":"2026-05-17T23:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"LLLGH7CC2ES7","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LLLGH7CC2ES7FEUP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LLLGH7CC","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:f6d070b40cd13e0f359b4809b42d652fb99de82d0316d77c0af6df86e75654fb","target":"graph","created_at":"2026-05-17T23:40:29Z","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"},"paper":{"abstract_excerpt":"Lyman $\\alpha$ observations of the transiting exoplanet HD 209458b enable the study of exoplanets exospheres exposed to stellar EUV fluxes, as well as the interacting stellar wind properties. In this study we present 3D hydrodynamical models for the stellar-planetary wind interaction including radiation pressure and charge exchange, together with photoionization, recombination and collisional ionization processes. Our models explore the contribution of the radiation pressure and charge exchange on the Ly$\\alpha$ absorption profile in a hydrodynamical framework, and for a single set of stellar ","authors_text":"A. Esquivel, C. Villarreal D'Angelo, L. Krapp, M. A. Sgr\\'o, M. Schneiter","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-10T21:19:01Z","title":"Hydrodynamical interaction of stellar and planetary winds: effects of charge exchange and radiation pressure on the observed Ly$\\alpha$ absorption"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04933","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":"sha256:9e9dc50e47cf631293e82a156f89362efa03116cef4aeef02da97dcc077151d4","target":"record","created_at":"2026-05-17T23:40:29Z","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":"17283768c9d68a12a9a75a025ab8fb02d0dfe55525c08d060c06e4e17961c9e9","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-10T21:19:01Z","title_canon_sha256":"7d7ef47a67ffff05dd7c7b04e67c9bb656517ef89d93722f5b4f6b74bd48af1b"},"schema_version":"1.0","source":{"id":"1907.04933","kind":"arxiv","version":1}},"canonical_sha256":"5ad663fc42d125f2928fd5c2b7908c06f245b0c8823bbaaf4bedd6cca1f761ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ad663fc42d125f2928fd5c2b7908c06f245b0c8823bbaaf4bedd6cca1f761ff","first_computed_at":"2026-05-17T23:40:29.619164Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:29.619164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ff4GfccMDTO9hvwTVwuYcPSgG+WzNewhyk1bDfjrxp7+5l9Q4QvRUvrSdycgm9Y3Kpiho0taB9dipww0neDuBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:29.619843Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.04933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e9dc50e47cf631293e82a156f89362efa03116cef4aeef02da97dcc077151d4","sha256:f6d070b40cd13e0f359b4809b42d652fb99de82d0316d77c0af6df86e75654fb"],"state_sha256":"8b3ccdba12e9085f75bdfd0ac606f99ccd2517f52aeaf8b98a6bded2ee8bfeff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w9LtwZoTxwnSysa5OPI7e3qAjcSkrsbWrzx0ImHHDD4IO5mKYE2aP40IeNlXEPoOAk+j1x5gyT0rMeyOpRsiCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:55:52.153623Z","bundle_sha256":"4ec6fb09a441dd43e7c605828dbde5911d5ab1d957fbf7f9703783d4d38a8488"}}