{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LDTJI7U5JUW5FOGWULCIBHYLPF","short_pith_number":"pith:LDTJI7U5","canonical_record":{"source":{"id":"1312.4721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-12-17T11:15:45Z","cross_cats_sorted":[],"title_canon_sha256":"f215b610a8b7c4981186ebb265ba215f0736634b219008734baa4b3a9ef120ba","abstract_canon_sha256":"e5654627c821950a9c1bf8f2b1b466aefe9b2850086aa4b764464dd008ec84bb"},"schema_version":"1.0"},"canonical_sha256":"58e6947e9d4d2dd2b8d6a2c4809f0b795b10b97113d10bb88afb9035fa722570","source":{"kind":"arxiv","id":"1312.4721","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4721","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4721v2","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4721","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"pith_short_12","alias_value":"LDTJI7U5JUW5","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LDTJI7U5JUW5FOGW","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LDTJI7U5","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LDTJI7U5JUW5FOGWULCIBHYLPF","target":"record","payload":{"canonical_record":{"source":{"id":"1312.4721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-12-17T11:15:45Z","cross_cats_sorted":[],"title_canon_sha256":"f215b610a8b7c4981186ebb265ba215f0736634b219008734baa4b3a9ef120ba","abstract_canon_sha256":"e5654627c821950a9c1bf8f2b1b466aefe9b2850086aa4b764464dd008ec84bb"},"schema_version":"1.0"},"canonical_sha256":"58e6947e9d4d2dd2b8d6a2c4809f0b795b10b97113d10bb88afb9035fa722570","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:49.837886Z","signature_b64":"VgrEzC2uRyrQer/0VjBCJevED75KGVEFlJ3y9tE8y1F7qUrpg7gqSDjDV/a+jxtxPDVi4yRflzIWZNFyaSS9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58e6947e9d4d2dd2b8d6a2c4809f0b795b10b97113d10bb88afb9035fa722570","last_reissued_at":"2026-05-18T01:45:49.837369Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:49.837369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.4721","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":"2026-05-18T01:45:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omPuZ+0choJy9oCjRJzoibKlabsHHD+KgzVD8EtBo19/Z6i/gwqW9dV73h0v7kZ/MUAoG5U6f8ACeM65hYXVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:12:27.779054Z"},"content_sha256":"ac770241aec2780f930cb8667e78a84ffebcb3d5d630506f8734dadf890536c1","schema_version":"1.0","event_id":"sha256:ac770241aec2780f930cb8667e78a84ffebcb3d5d630506f8734dadf890536c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LDTJI7U5JUW5FOGWULCIBHYLPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stellar wind interaction and pick-up ion escape of the Kepler-11 \"super-Earths\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"C.P. Johnstone, H. Lammer, K.G. Kislyakova, M. G\\\"udel, M. Holmstr\\\"om, M.L. Khodachenko, N.V. Erkaev, P. Odert, T. L\\\"uftinger","submitted_at":"2013-12-17T11:15:45Z","abstract_excerpt":"We study the interactions between stellar wind and the extended hydrogen-dominated upper atmospheres of planets and the resulting escape of planetary pick-up ions from the 5 \"super-Earths\" in the compact Kepler-11 system and compare the escape rates with the efficiency of the thermal escape of neutral hydrogen atoms. Assuming the stellar wind of Kepler-11 is similar to the solar wind, we use a polytropic 1D hydrodynamic wind model to estimate the wind properties at the planetary orbits. We apply a Direct Simulation Monte Carlo Model to model the hydrogen coronae and the stellar wind plasma int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4721","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":""},"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":"2026-05-18T01:45:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VR8NIsEnJN1s+38ihhSALRWHIa7DX1E56SqzN0ya9JkoOur7WxN1sMFrzgT5B9HITrVNra92EYFit96s08eACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:12:27.779487Z"},"content_sha256":"6d323ba3283b59347308ef237e9497c70b2ca2979ebc301ff615561f04bb2ffe","schema_version":"1.0","event_id":"sha256:6d323ba3283b59347308ef237e9497c70b2ca2979ebc301ff615561f04bb2ffe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/bundle.json","state_url":"https://pith.science/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/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":"2026-05-27T01:12:27Z","links":{"resolver":"https://pith.science/pith/LDTJI7U5JUW5FOGWULCIBHYLPF","bundle":"https://pith.science/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/bundle.json","state":"https://pith.science/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDTJI7U5JUW5FOGWULCIBHYLPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LDTJI7U5JUW5FOGWULCIBHYLPF","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":"e5654627c821950a9c1bf8f2b1b466aefe9b2850086aa4b764464dd008ec84bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-12-17T11:15:45Z","title_canon_sha256":"f215b610a8b7c4981186ebb265ba215f0736634b219008734baa4b3a9ef120ba"},"schema_version":"1.0","source":{"id":"1312.4721","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4721","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4721v2","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4721","created_at":"2026-05-18T01:45:49Z"},{"alias_kind":"pith_short_12","alias_value":"LDTJI7U5JUW5","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LDTJI7U5JUW5FOGW","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LDTJI7U5","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:6d323ba3283b59347308ef237e9497c70b2ca2979ebc301ff615561f04bb2ffe","target":"graph","created_at":"2026-05-18T01:45:49Z","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":"We study the interactions between stellar wind and the extended hydrogen-dominated upper atmospheres of planets and the resulting escape of planetary pick-up ions from the 5 \"super-Earths\" in the compact Kepler-11 system and compare the escape rates with the efficiency of the thermal escape of neutral hydrogen atoms. Assuming the stellar wind of Kepler-11 is similar to the solar wind, we use a polytropic 1D hydrodynamic wind model to estimate the wind properties at the planetary orbits. We apply a Direct Simulation Monte Carlo Model to model the hydrogen coronae and the stellar wind plasma int","authors_text":"C.P. Johnstone, H. Lammer, K.G. Kislyakova, M. G\\\"udel, M. Holmstr\\\"om, M.L. Khodachenko, N.V. Erkaev, P. Odert, T. L\\\"uftinger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-12-17T11:15:45Z","title":"Stellar wind interaction and pick-up ion escape of the Kepler-11 \"super-Earths\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4721","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:ac770241aec2780f930cb8667e78a84ffebcb3d5d630506f8734dadf890536c1","target":"record","created_at":"2026-05-18T01:45:49Z","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":"e5654627c821950a9c1bf8f2b1b466aefe9b2850086aa4b764464dd008ec84bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-12-17T11:15:45Z","title_canon_sha256":"f215b610a8b7c4981186ebb265ba215f0736634b219008734baa4b3a9ef120ba"},"schema_version":"1.0","source":{"id":"1312.4721","kind":"arxiv","version":2}},"canonical_sha256":"58e6947e9d4d2dd2b8d6a2c4809f0b795b10b97113d10bb88afb9035fa722570","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58e6947e9d4d2dd2b8d6a2c4809f0b795b10b97113d10bb88afb9035fa722570","first_computed_at":"2026-05-18T01:45:49.837369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:49.837369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VgrEzC2uRyrQer/0VjBCJevED75KGVEFlJ3y9tE8y1F7qUrpg7gqSDjDV/a+jxtxPDVi4yRflzIWZNFyaSS9AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:49.837886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.4721","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac770241aec2780f930cb8667e78a84ffebcb3d5d630506f8734dadf890536c1","sha256:6d323ba3283b59347308ef237e9497c70b2ca2979ebc301ff615561f04bb2ffe"],"state_sha256":"58dabe311e8da79f7af81c7eac3155f252bbe7d582c5c73624ec27ae6b3a1569"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OfQynaKS61LzyDOOr5khXKruOlYjuauRMOqDj6ID87jWOOsmf3nQoxkhuXUNHFF0gzq1Uf9A8Cw/kaRUiuyEDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:12:27.782684Z","bundle_sha256":"8bef44943a406c493d9a8c0a710d9641f82291f681e16d659dd04a4d82f753e0"}}