{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HSOM24EP3IN5P3MAIUXSF3HUUE","short_pith_number":"pith:HSOM24EP","canonical_record":{"source":{"id":"1310.4796","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-17T18:50:31Z","cross_cats_sorted":[],"title_canon_sha256":"e915e0dca4c4ba3adc493ef2795303f350d7f4a7f8361ac98864298342f6eb27","abstract_canon_sha256":"d28a60c441e9194dd3db7fae8f4d290413fda855a53bcf310ca898def5432b89"},"schema_version":"1.0"},"canonical_sha256":"3c9ccd708fda1bd7ed80452f22ecf4a107122eb38c0c17ccd93ec3bbb858091d","source":{"kind":"arxiv","id":"1310.4796","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4796","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4796v1","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4796","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"HSOM24EP3IN5","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HSOM24EP3IN5P3MA","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HSOM24EP","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HSOM24EP3IN5P3MAIUXSF3HUUE","target":"record","payload":{"canonical_record":{"source":{"id":"1310.4796","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-17T18:50:31Z","cross_cats_sorted":[],"title_canon_sha256":"e915e0dca4c4ba3adc493ef2795303f350d7f4a7f8361ac98864298342f6eb27","abstract_canon_sha256":"d28a60c441e9194dd3db7fae8f4d290413fda855a53bcf310ca898def5432b89"},"schema_version":"1.0"},"canonical_sha256":"3c9ccd708fda1bd7ed80452f22ecf4a107122eb38c0c17ccd93ec3bbb858091d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:58.304849Z","signature_b64":"zTQ8PEWDxLRQOA3IryowSZH8Mb+POYPNXiOdcEafsdupNGYwSiPoo1rZ5flidypfsD1yKZRU/lyDcXKjUCTvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c9ccd708fda1bd7ed80452f22ecf4a107122eb38c0c17ccd93ec3bbb858091d","last_reissued_at":"2026-05-18T01:46:58.304274Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:58.304274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.4796","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":"2026-05-18T01:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AF+CTW41u2oQRagt/5ThpDspPmyK7WgrdtELysE3eKdPaIURD07Ku0e7t+PLOcKtDoI7QKEZ6Es+SrZOXjS3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:11:14.764116Z"},"content_sha256":"1347dc8b8bf144390be4815bff4ae9bcb45928aa447101a053c447066ce1e540","schema_version":"1.0","event_id":"sha256:1347dc8b8bf144390be4815bff4ae9bcb45928aa447101a053c447066ce1e540"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HSOM24EP3IN5P3MAIUXSF3HUUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Near-Infrared Transmission Spectrum for the Warm Saturn HAT-P-12b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ashlee Wilkins, Drake Deming, Heather Knutson, Jean-Michel Desert, Michael R. Line","submitted_at":"2013-10-17T18:50:31Z","abstract_excerpt":"We present a HST WFC3 transmission spectrum for the transiting exoplanet HAT-P-12b. This warm (1000 K) sub-Saturn-mass planet has a smaller mass and a lower temperature than the hot-Jupiters that have been studied so far. We find that the planet's measured transmission spectrum lacks the expected water absorption feature for a hydrogen-dominated atmosphere, and is instead best-described by a model with high-altitude clouds. Using a frequentist hypothesis testing procedure, we can rule out a hydrogen-dominated cloud free atmosphere to 4.9$\\sigma$. When combined with other recent WFC3 studies, o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4796","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":"2026-05-18T01:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PZaGzbQRjmSb72EzxYMPF4W1+3+xzTEZpyCVC/X6Fr4bd4gQkbcMxieUOaARBljDWJjk/VVnUZJHMcG16KcbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:11:14.764812Z"},"content_sha256":"4dcff519edc0a8f335827b251de22e4446146f7727b02e9162ebef55a8a333e5","schema_version":"1.0","event_id":"sha256:4dcff519edc0a8f335827b251de22e4446146f7727b02e9162ebef55a8a333e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/bundle.json","state_url":"https://pith.science/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/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":"2026-05-27T22:11:14Z","links":{"resolver":"https://pith.science/pith/HSOM24EP3IN5P3MAIUXSF3HUUE","bundle":"https://pith.science/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/bundle.json","state":"https://pith.science/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HSOM24EP3IN5P3MAIUXSF3HUUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HSOM24EP3IN5P3MAIUXSF3HUUE","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":"d28a60c441e9194dd3db7fae8f4d290413fda855a53bcf310ca898def5432b89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-17T18:50:31Z","title_canon_sha256":"e915e0dca4c4ba3adc493ef2795303f350d7f4a7f8361ac98864298342f6eb27"},"schema_version":"1.0","source":{"id":"1310.4796","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4796","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4796v1","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4796","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"HSOM24EP3IN5","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HSOM24EP3IN5P3MA","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HSOM24EP","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:4dcff519edc0a8f335827b251de22e4446146f7727b02e9162ebef55a8a333e5","target":"graph","created_at":"2026-05-18T01:46:58Z","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 present a HST WFC3 transmission spectrum for the transiting exoplanet HAT-P-12b. This warm (1000 K) sub-Saturn-mass planet has a smaller mass and a lower temperature than the hot-Jupiters that have been studied so far. We find that the planet's measured transmission spectrum lacks the expected water absorption feature for a hydrogen-dominated atmosphere, and is instead best-described by a model with high-altitude clouds. Using a frequentist hypothesis testing procedure, we can rule out a hydrogen-dominated cloud free atmosphere to 4.9$\\sigma$. When combined with other recent WFC3 studies, o","authors_text":"Ashlee Wilkins, Drake Deming, Heather Knutson, Jean-Michel Desert, Michael R. Line","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-17T18:50:31Z","title":"A Near-Infrared Transmission Spectrum for the Warm Saturn HAT-P-12b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4796","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":"sha256:1347dc8b8bf144390be4815bff4ae9bcb45928aa447101a053c447066ce1e540","target":"record","created_at":"2026-05-18T01:46:58Z","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":"d28a60c441e9194dd3db7fae8f4d290413fda855a53bcf310ca898def5432b89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-17T18:50:31Z","title_canon_sha256":"e915e0dca4c4ba3adc493ef2795303f350d7f4a7f8361ac98864298342f6eb27"},"schema_version":"1.0","source":{"id":"1310.4796","kind":"arxiv","version":1}},"canonical_sha256":"3c9ccd708fda1bd7ed80452f22ecf4a107122eb38c0c17ccd93ec3bbb858091d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c9ccd708fda1bd7ed80452f22ecf4a107122eb38c0c17ccd93ec3bbb858091d","first_computed_at":"2026-05-18T01:46:58.304274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:58.304274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zTQ8PEWDxLRQOA3IryowSZH8Mb+POYPNXiOdcEafsdupNGYwSiPoo1rZ5flidypfsD1yKZRU/lyDcXKjUCTvDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:58.304849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.4796","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1347dc8b8bf144390be4815bff4ae9bcb45928aa447101a053c447066ce1e540","sha256:4dcff519edc0a8f335827b251de22e4446146f7727b02e9162ebef55a8a333e5"],"state_sha256":"63f4b322696b920cc1ede2d7dcccf0cd6fb157e6a3d0c59911821fa0ec9285b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HpOaRBSxWZkkJo/vcjTAtQipBMpuReMy++DH8IP3+xMe4gAtG2hrZ7uznXSRKpI2BZKOse7y/XolZPH/iK6yDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:11:14.768290Z","bundle_sha256":"b972a4a771f7ebc1ef53a3cb4a12ef164617eb2b3821109f3a948d955d8766cc"}}