{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:T4YVXOETNAXIONOR72DMNIBY5Y","short_pith_number":"pith:T4YVXOET","canonical_record":{"source":{"id":"1907.13425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-31T11:35:33Z","cross_cats_sorted":[],"title_canon_sha256":"f40d443707f5911c1894014ca6830b167774ed3ed54dbdac66778ccd131ef7ac","abstract_canon_sha256":"2d5f57c8f8aef037a8494511faa6673213fa386896c9266e4bab685401c79dcd"},"schema_version":"1.0"},"canonical_sha256":"9f315bb893682e8735d1fe86c6a038ee2e1e352933dde6a26a859c050ce3fffe","source":{"kind":"arxiv","id":"1907.13425","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.13425","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"arxiv_version","alias_value":"1907.13425v1","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.13425","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_12","alias_value":"T4YVXOETNAXI","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_16","alias_value":"T4YVXOETNAXIONOR","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_8","alias_value":"T4YVXOET","created_at":"2026-07-05T00:05:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:T4YVXOETNAXIONOR72DMNIBY5Y","target":"record","payload":{"canonical_record":{"source":{"id":"1907.13425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-31T11:35:33Z","cross_cats_sorted":[],"title_canon_sha256":"f40d443707f5911c1894014ca6830b167774ed3ed54dbdac66778ccd131ef7ac","abstract_canon_sha256":"2d5f57c8f8aef037a8494511faa6673213fa386896c9266e4bab685401c79dcd"},"schema_version":"1.0"},"canonical_sha256":"9f315bb893682e8735d1fe86c6a038ee2e1e352933dde6a26a859c050ce3fffe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:05:12.923555Z","signature_b64":"MkRIiJdxmRUT33vgEOSsCsnequA52+1f7gv6q4mB5ELOD4zoZNP+FMJNQk3biNB3w5INgMlc3iLLK+LNFa96CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f315bb893682e8735d1fe86c6a038ee2e1e352933dde6a26a859c050ce3fffe","last_reissued_at":"2026-07-05T00:05:12.923150Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:05:12.923150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.13425","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":"2026-07-05T00:05:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HL8UteSbSzs8I6ixJB/ZMdxCf8yQ38pMy9z1C4UgCceE9pueFaVGBSn6Yuu7/b6EKDqehU+cXXHTVvGvVBY1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T10:44:47.930401Z"},"content_sha256":"b44b8eb93f6cb40c802ad34eb36ca39b64cb51f62c738e15c0656426595ce0e1","schema_version":"1.0","event_id":"sha256:b44b8eb93f6cb40c802ad34eb36ca39b64cb51f62c738e15c0656426595ce0e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:T4YVXOETNAXIONOR72DMNIBY5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"He I $\\lambda$ 10830 \\r{A} in the transmission spectrum of HD 209458 b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Kaminski, A. P. Hatzes, A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, D. Montes, E. Nagel, E. Pall\\'e, F. F. Bauer, F. J. Alonso-Floriano, F. Labarga, G. Anglada-Escud\\'e, I. A. G. Snellen, I. Ribas, J. A. Caballero, J. Aceituno, J. H. M. M. Schmitt, J. Sanz-Forcada, L. M. Lara, L. Nortmann, M. Brinkm\\\"oller, M. K\\\"urster, M. Lamp\\'on, M. L\\'opez-Puertas, M. R. Zapatero Osorio, M. Salz, P. J. Amado, S. Czesla, Th. Henning, V. J. S. B\\'ejar","submitted_at":"2019-07-31T11:35:33Z","abstract_excerpt":"Context: Recently, the He I triplet at 10830 \\r{A} has been rediscovered as an excellent probe of the extended and possibly evaporating atmospheres of close-in transiting planets. This has already resulted in detections of this triplet in the atmospheres of a handful of planets, both from space and from the ground. However, while a strong signal is expected for the hot Jupiter HD 209458 b, only upper limits have been obtained so far. Aims: Our goal is to measure the helium excess absorption from HD 209458 b and assess the extended atmosphere of the planet and possible evaporation. Methods: We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.13425","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/1907.13425/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":"2026-07-05T00:05:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ADwqNfe/ekACOIAJO2CzbnDgCKuAsWrZaCE6xZgcsbZf1Gp7/2UgBb3guDziO6ws0H1XEO+6MeA6L75HExqtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T10:44:47.930785Z"},"content_sha256":"ff95a0247fc8b947a086d77d9f71ddd05ad58b312a5dc032f617be8edb426787","schema_version":"1.0","event_id":"sha256:ff95a0247fc8b947a086d77d9f71ddd05ad58b312a5dc032f617be8edb426787"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4YVXOETNAXIONOR72DMNIBY5Y/bundle.json","state_url":"https://pith.science/pith/T4YVXOETNAXIONOR72DMNIBY5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4YVXOETNAXIONOR72DMNIBY5Y/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":"2026-07-16T10:44:47Z","links":{"resolver":"https://pith.science/pith/T4YVXOETNAXIONOR72DMNIBY5Y","bundle":"https://pith.science/pith/T4YVXOETNAXIONOR72DMNIBY5Y/bundle.json","state":"https://pith.science/pith/T4YVXOETNAXIONOR72DMNIBY5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4YVXOETNAXIONOR72DMNIBY5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:T4YVXOETNAXIONOR72DMNIBY5Y","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":"2d5f57c8f8aef037a8494511faa6673213fa386896c9266e4bab685401c79dcd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-31T11:35:33Z","title_canon_sha256":"f40d443707f5911c1894014ca6830b167774ed3ed54dbdac66778ccd131ef7ac"},"schema_version":"1.0","source":{"id":"1907.13425","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.13425","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"arxiv_version","alias_value":"1907.13425v1","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.13425","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_12","alias_value":"T4YVXOETNAXI","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_16","alias_value":"T4YVXOETNAXIONOR","created_at":"2026-07-05T00:05:12Z"},{"alias_kind":"pith_short_8","alias_value":"T4YVXOET","created_at":"2026-07-05T00:05:12Z"}],"graph_snapshots":[{"event_id":"sha256:ff95a0247fc8b947a086d77d9f71ddd05ad58b312a5dc032f617be8edb426787","target":"graph","created_at":"2026-07-05T00:05:12Z","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/1907.13425/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context: Recently, the He I triplet at 10830 \\r{A} has been rediscovered as an excellent probe of the extended and possibly evaporating atmospheres of close-in transiting planets. This has already resulted in detections of this triplet in the atmospheres of a handful of planets, both from space and from the ground. However, while a strong signal is expected for the hot Jupiter HD 209458 b, only upper limits have been obtained so far. Aims: Our goal is to measure the helium excess absorption from HD 209458 b and assess the extended atmosphere of the planet and possible evaporation. Methods: We ","authors_text":"A. Kaminski, A. P. Hatzes, A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, D. Montes, E. Nagel, E. Pall\\'e, F. F. Bauer, F. J. Alonso-Floriano, F. Labarga, G. Anglada-Escud\\'e, I. A. G. Snellen, I. Ribas, J. A. Caballero, J. Aceituno, J. H. M. M. Schmitt, J. Sanz-Forcada, L. M. Lara, L. Nortmann, M. Brinkm\\\"oller, M. K\\\"urster, M. Lamp\\'on, M. L\\'opez-Puertas, M. R. Zapatero Osorio, M. Salz, P. J. Amado, S. Czesla, Th. Henning, V. J. S. B\\'ejar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-31T11:35:33Z","title":"He I $\\lambda$ 10830 \\r{A} in the transmission spectrum of HD 209458 b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.13425","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:b44b8eb93f6cb40c802ad34eb36ca39b64cb51f62c738e15c0656426595ce0e1","target":"record","created_at":"2026-07-05T00:05:12Z","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":"2d5f57c8f8aef037a8494511faa6673213fa386896c9266e4bab685401c79dcd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-07-31T11:35:33Z","title_canon_sha256":"f40d443707f5911c1894014ca6830b167774ed3ed54dbdac66778ccd131ef7ac"},"schema_version":"1.0","source":{"id":"1907.13425","kind":"arxiv","version":1}},"canonical_sha256":"9f315bb893682e8735d1fe86c6a038ee2e1e352933dde6a26a859c050ce3fffe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f315bb893682e8735d1fe86c6a038ee2e1e352933dde6a26a859c050ce3fffe","first_computed_at":"2026-07-05T00:05:12.923150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:05:12.923150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MkRIiJdxmRUT33vgEOSsCsnequA52+1f7gv6q4mB5ELOD4zoZNP+FMJNQk3biNB3w5INgMlc3iLLK+LNFa96CA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:05:12.923555Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.13425","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b44b8eb93f6cb40c802ad34eb36ca39b64cb51f62c738e15c0656426595ce0e1","sha256:ff95a0247fc8b947a086d77d9f71ddd05ad58b312a5dc032f617be8edb426787"],"state_sha256":"8637a613cb3a976c4213591f2b7e8115abb137ae41ad5cdf801c0c542f8284db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MOiQKSEdFCbqEKY6ge7onil1PCKIUNlZQEyO+79xVFY8AZ2d/uIOj6hAYJwjJTqhcAsGu6N/9GWyMWWn8Y5QBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T10:44:47.933327Z","bundle_sha256":"cc6acfea0ec49fc121ad21b50357396116707e9c8dfaf0d355b38a9e08735507"}}