{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ZGRM55QHGWST4TUXAGZQ72QLT5","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":"6ecdf4581534e9b398846c4a121ea4bf369db6d8bf955809eb07eb05eafdfd06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-10T13:20:51Z","title_canon_sha256":"7c4e843ea3013fddd99323546249e2609970a4362b76d598e237e7f26a1bd7d3"},"schema_version":"1.0","source":{"id":"2112.05510","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.05510","created_at":"2026-07-05T04:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"2112.05510v1","created_at":"2026-07-05T04:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.05510","created_at":"2026-07-05T04:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"ZGRM55QHGWST","created_at":"2026-07-05T04:04:27Z"},{"alias_kind":"pith_short_16","alias_value":"ZGRM55QHGWST4TUX","created_at":"2026-07-05T04:04:27Z"},{"alias_kind":"pith_short_8","alias_value":"ZGRM55QH","created_at":"2026-07-05T04:04:27Z"}],"graph_snapshots":[{"event_id":"sha256:1558564c64cc13a963189417206ccfd73b7c806202fc33de9fb0486dee2b1b2b","target":"graph","created_at":"2026-07-05T04:04:27Z","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/2112.05510/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The TRAPPIST-1 planetary system is favourable for transmission spectroscopy and offers the unique opportunity to study rocky planets with possibly non-primary envelopes. We present here the transmission spectrum of the seventh planet of the TRAPPIST-1 system, TRAPPIST-1 h (R$_{\\rm P}$=0.752 R$_{\\oplus}$, T$_{\\rm eq}$=173K) using Hubble Space Telescope (HST), Wide Field Camera 3 Grism 141 (WFC3/G141) data. First we extracted and corrected the raw data to obtain a transmission spectrum in the near-infrared (NIR) band (1.1-1.7$\\mu$m). We corrected for stellar modulations using three different ste","authors_text":"A. Gressier, B. Charnay, B. Edwards, E. Marcq, J.P. Beaulieu, M. Mori, Q. Changeat","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-10T13:20:51Z","title":"Near-infrared transmission spectrum of TRAPPIST-1 h using Hubble WFC3 G141 observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.05510","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":"sha256:2657b8c8570df34490ca14d383a3ea4f16fdf1143f8046617c7da1095fd106ae","target":"record","created_at":"2026-07-05T04:04:27Z","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":"6ecdf4581534e9b398846c4a121ea4bf369db6d8bf955809eb07eb05eafdfd06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-12-10T13:20:51Z","title_canon_sha256":"7c4e843ea3013fddd99323546249e2609970a4362b76d598e237e7f26a1bd7d3"},"schema_version":"1.0","source":{"id":"2112.05510","kind":"arxiv","version":1}},"canonical_sha256":"c9a2cef60735a53e4e9701b30fea0b9f457f59d71081afbf70f22f1e19bd62e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9a2cef60735a53e4e9701b30fea0b9f457f59d71081afbf70f22f1e19bd62e8","first_computed_at":"2026-07-05T04:04:27.778457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:04:27.778457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u7yEuYI0ABupnmLa4v/GDT7AKEYR4OUkuwcVwUwz3ATAzdFWJpcWvc471Guf4F4GX3ApYAbGaQ1eZuR+vecYBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:04:27.778873Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.05510","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2657b8c8570df34490ca14d383a3ea4f16fdf1143f8046617c7da1095fd106ae","sha256:1558564c64cc13a963189417206ccfd73b7c806202fc33de9fb0486dee2b1b2b"],"state_sha256":"35ba8fbf96140329ffdf04abb279089b9fe40dcff6e12459e116c429f56a58b9"}