{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:E2LSZB35BKEH5DBCCRHWEKKRKE","short_pith_number":"pith:E2LSZB35","canonical_record":{"source":{"id":"2108.08387","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-18T20:55:07Z","cross_cats_sorted":[],"title_canon_sha256":"d65ae46e35f27c0ad7f129c53699351aae4b89b467393a24cb4c96ec04886ee1","abstract_canon_sha256":"32a6176fa05e1fb72e782edfe43a77236fd3a7010e99d94737c269d68e7fd8ed"},"schema_version":"1.0"},"canonical_sha256":"26972c877d0a887e8c22144f62295151119dd4f5c6238faf63036e78c196d3c2","source":{"kind":"arxiv","id":"2108.08387","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.08387","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"arxiv_version","alias_value":"2108.08387v1","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.08387","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_12","alias_value":"E2LSZB35BKEH","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_16","alias_value":"E2LSZB35BKEH5DBC","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_8","alias_value":"E2LSZB35","created_at":"2026-07-05T03:07:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:E2LSZB35BKEH5DBCCRHWEKKRKE","target":"record","payload":{"canonical_record":{"source":{"id":"2108.08387","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-18T20:55:07Z","cross_cats_sorted":[],"title_canon_sha256":"d65ae46e35f27c0ad7f129c53699351aae4b89b467393a24cb4c96ec04886ee1","abstract_canon_sha256":"32a6176fa05e1fb72e782edfe43a77236fd3a7010e99d94737c269d68e7fd8ed"},"schema_version":"1.0"},"canonical_sha256":"26972c877d0a887e8c22144f62295151119dd4f5c6238faf63036e78c196d3c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:07:09.285412Z","signature_b64":"go1BKRaR2zA1bTcDDC6pAQx/lnGms8as+dW4sm6u7EGmay6vJfcs4KhEGruTJ/w9PvRxC2q4WE7sTyXCCWyQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26972c877d0a887e8c22144f62295151119dd4f5c6238faf63036e78c196d3c2","last_reissued_at":"2026-07-05T03:07:09.284959Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:07:09.284959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.08387","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":"2026-07-05T03:07:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TK626goffybDA8hvGAEyfI7mJusAZlz/fsU7K9Y8VZHaljQFWQKTJbPYjiUknrOSKH2+WWi/Ed1lBv8Od7tbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:54:29.186374Z"},"content_sha256":"8b5a601a78a4792e3c9d235ca78211a4d9cdc1853d941d6d4da9185b7238d216","schema_version":"1.0","event_id":"sha256:8b5a601a78a4792e3c9d235ca78211a4d9cdc1853d941d6d4da9185b7238d216"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:E2LSZB35BKEH5DBCCRHWEKKRKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The air over there: exploring exoplanet atmospheres","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Laura Schaefer, Vivien Parmentier","submitted_at":"2021-08-18T20:55:07Z","abstract_excerpt":"Atmospheric compositions for rocky exoplanets will depend strongly on the bulk planetary composition and the orbital position of the planet. Non-traditional gases may be present in the atmospheres of exceptionally hot planets. Atmospheres of more clement planets will depend on the abundances of volatiles acquired during planet formation and atmospheric removal processes, including escape, condensation, and reaction with the surface. While the observations of exoplanet atmospheres to date has focused on giant planets, a series of new space and ground-based observatories over the coming decade w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.08387","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/2108.08387/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":"2026-07-05T03:07:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7BGJLEQXEPREX411Y+XTNEbI8xow2hcdB4VY/gbzkbd7vY8rM4kHX38QdbDOtg6oHfCiw+JwI9N0kZUeL5McBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:54:29.187416Z"},"content_sha256":"4faebfd90d717d6d529e0be1fd3ac157ddd8756c16569473756c27a56da6202f","schema_version":"1.0","event_id":"sha256:4faebfd90d717d6d529e0be1fd3ac157ddd8756c16569473756c27a56da6202f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/bundle.json","state_url":"https://pith.science/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/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":"2026-08-05T19:54:29Z","links":{"resolver":"https://pith.science/pith/E2LSZB35BKEH5DBCCRHWEKKRKE","bundle":"https://pith.science/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/bundle.json","state":"https://pith.science/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E2LSZB35BKEH5DBCCRHWEKKRKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:E2LSZB35BKEH5DBCCRHWEKKRKE","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":"32a6176fa05e1fb72e782edfe43a77236fd3a7010e99d94737c269d68e7fd8ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-18T20:55:07Z","title_canon_sha256":"d65ae46e35f27c0ad7f129c53699351aae4b89b467393a24cb4c96ec04886ee1"},"schema_version":"1.0","source":{"id":"2108.08387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.08387","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"arxiv_version","alias_value":"2108.08387v1","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.08387","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_12","alias_value":"E2LSZB35BKEH","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_16","alias_value":"E2LSZB35BKEH5DBC","created_at":"2026-07-05T03:07:09Z"},{"alias_kind":"pith_short_8","alias_value":"E2LSZB35","created_at":"2026-07-05T03:07:09Z"}],"graph_snapshots":[{"event_id":"sha256:4faebfd90d717d6d529e0be1fd3ac157ddd8756c16569473756c27a56da6202f","target":"graph","created_at":"2026-07-05T03:07:09Z","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/2108.08387/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Atmospheric compositions for rocky exoplanets will depend strongly on the bulk planetary composition and the orbital position of the planet. Non-traditional gases may be present in the atmospheres of exceptionally hot planets. Atmospheres of more clement planets will depend on the abundances of volatiles acquired during planet formation and atmospheric removal processes, including escape, condensation, and reaction with the surface. While the observations of exoplanet atmospheres to date has focused on giant planets, a series of new space and ground-based observatories over the coming decade w","authors_text":"Laura Schaefer, Vivien Parmentier","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-18T20:55:07Z","title":"The air over there: exploring exoplanet atmospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.08387","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":"sha256:8b5a601a78a4792e3c9d235ca78211a4d9cdc1853d941d6d4da9185b7238d216","target":"record","created_at":"2026-07-05T03:07:09Z","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":"32a6176fa05e1fb72e782edfe43a77236fd3a7010e99d94737c269d68e7fd8ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-18T20:55:07Z","title_canon_sha256":"d65ae46e35f27c0ad7f129c53699351aae4b89b467393a24cb4c96ec04886ee1"},"schema_version":"1.0","source":{"id":"2108.08387","kind":"arxiv","version":1}},"canonical_sha256":"26972c877d0a887e8c22144f62295151119dd4f5c6238faf63036e78c196d3c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26972c877d0a887e8c22144f62295151119dd4f5c6238faf63036e78c196d3c2","first_computed_at":"2026-07-05T03:07:09.284959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:07:09.284959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"go1BKRaR2zA1bTcDDC6pAQx/lnGms8as+dW4sm6u7EGmay6vJfcs4KhEGruTJ/w9PvRxC2q4WE7sTyXCCWyQDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:07:09.285412Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.08387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b5a601a78a4792e3c9d235ca78211a4d9cdc1853d941d6d4da9185b7238d216","sha256:4faebfd90d717d6d529e0be1fd3ac157ddd8756c16569473756c27a56da6202f"],"state_sha256":"80f3031b38926eff53ef91bf27a013733daf16276a38ecb79830692e4b3757e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jY87hdnKoNRwjm6aXNUDOFkH5fQdzRS4x2VO8xZFAzdDo635QGQhaxWfWlEiWCHi83FpQ9Vx4u7kiiAgYFKGBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:54:29.193434Z","bundle_sha256":"9ddd536a88ee4a38a53aa32bf3fded1c4632780f742e873ddc662a49f668259c"}}