{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FPFSIRVJEJDXCZ7TI5ZGJPCYTU","short_pith_number":"pith:FPFSIRVJ","canonical_record":{"source":{"id":"2505.08926","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-13T19:50:47Z","cross_cats_sorted":[],"title_canon_sha256":"c95a3cc00c3f35c52df7ec0a3535eaff95a16389c7b5ebbe614d3d3fc4df8669","abstract_canon_sha256":"bf7c0915c091665a83d8d0f2c400fc05bc62ab7e8bd22591dfadeabb12793747"},"schema_version":"1.0"},"canonical_sha256":"2bcb2446a922477167f3477264bc589d1a2d74282e9e34751d626d306f909127","source":{"kind":"arxiv","id":"2505.08926","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08926","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08926v1","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08926","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_12","alias_value":"FPFSIRVJEJDX","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_16","alias_value":"FPFSIRVJEJDXCZ7T","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_8","alias_value":"FPFSIRVJ","created_at":"2026-07-05T11:02:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FPFSIRVJEJDXCZ7TI5ZGJPCYTU","target":"record","payload":{"canonical_record":{"source":{"id":"2505.08926","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-13T19:50:47Z","cross_cats_sorted":[],"title_canon_sha256":"c95a3cc00c3f35c52df7ec0a3535eaff95a16389c7b5ebbe614d3d3fc4df8669","abstract_canon_sha256":"bf7c0915c091665a83d8d0f2c400fc05bc62ab7e8bd22591dfadeabb12793747"},"schema_version":"1.0"},"canonical_sha256":"2bcb2446a922477167f3477264bc589d1a2d74282e9e34751d626d306f909127","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:02:47.293085Z","signature_b64":"f9CPwqJn3sAgSqLHPecXdXsiLJMvdH+CsHHVa9tthYg0OHviavEMVBopxi2gCHneH3JSpPgxtIWmO9Ikz1FeDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bcb2446a922477167f3477264bc589d1a2d74282e9e34751d626d306f909127","last_reissued_at":"2026-07-05T11:02:47.292522Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:02:47.292522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.08926","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":"2026-07-05T11:02:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZLN91UVpz2uw/7Dh31wsUexluvgoXt/tupwCLhaCL3bIMmqwahDC8SA5b3F44hE0ZRfZ3iemAWrCorkIg8UCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:23:09.341949Z"},"content_sha256":"45ac7cf8b10d00bcb3f23892aa15fc0a716ab243f7b09f732dd1bebbf478c7a0","schema_version":"1.0","event_id":"sha256:45ac7cf8b10d00bcb3f23892aa15fc0a716ab243f7b09f732dd1bebbf478c7a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FPFSIRVJEJDXCZ7TI5ZGJPCYTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exoplanet atmospheres at high spectral resolution","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ignas Snellen","submitted_at":"2025-05-13T19:50:47Z","abstract_excerpt":"High-resolution spectroscopy (HRS) has grown into one of the main techniques to characterise the atmospheres of extrasolar planets. High spectral resolving power allows for the efficient removal of telluric and host-star contamination. Combined with the large collecting area of ground-based telescopes it enables detailed studies of atmospheric species, temperature structure, atmospheric loss, and global winds and circulation patterns. In this review, the wide range of HRS observation and data-analysis techniques are described and literature results discussed. Key findings include:\n  * The high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08926","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/2505.08926/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":"2026-07-05T11:02:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D9ARPw//qVd+WOSm7wEbg4jAT7fSVT/LjptFCBb5r9wyFsfgQ2RMdH8tbSP/D1ojKusDblZ/lANhXSpH69aBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:23:09.342520Z"},"content_sha256":"413e2ce8a345428f13859c53f36f6ac64444df8be00f0af377cb87bd3e5d6775","schema_version":"1.0","event_id":"sha256:413e2ce8a345428f13859c53f36f6ac64444df8be00f0af377cb87bd3e5d6775"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/bundle.json","state_url":"https://pith.science/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/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":"2026-08-17T05:23:09Z","links":{"resolver":"https://pith.science/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU","bundle":"https://pith.science/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/bundle.json","state":"https://pith.science/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FPFSIRVJEJDXCZ7TI5ZGJPCYTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FPFSIRVJEJDXCZ7TI5ZGJPCYTU","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":"bf7c0915c091665a83d8d0f2c400fc05bc62ab7e8bd22591dfadeabb12793747","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-13T19:50:47Z","title_canon_sha256":"c95a3cc00c3f35c52df7ec0a3535eaff95a16389c7b5ebbe614d3d3fc4df8669"},"schema_version":"1.0","source":{"id":"2505.08926","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08926","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08926v1","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08926","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_12","alias_value":"FPFSIRVJEJDX","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_16","alias_value":"FPFSIRVJEJDXCZ7T","created_at":"2026-07-05T11:02:47Z"},{"alias_kind":"pith_short_8","alias_value":"FPFSIRVJ","created_at":"2026-07-05T11:02:47Z"}],"graph_snapshots":[{"event_id":"sha256:413e2ce8a345428f13859c53f36f6ac64444df8be00f0af377cb87bd3e5d6775","target":"graph","created_at":"2026-07-05T11:02:47Z","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/2505.08926/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-resolution spectroscopy (HRS) has grown into one of the main techniques to characterise the atmospheres of extrasolar planets. High spectral resolving power allows for the efficient removal of telluric and host-star contamination. Combined with the large collecting area of ground-based telescopes it enables detailed studies of atmospheric species, temperature structure, atmospheric loss, and global winds and circulation patterns. In this review, the wide range of HRS observation and data-analysis techniques are described and literature results discussed. Key findings include:\n  * The high","authors_text":"Ignas Snellen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-13T19:50:47Z","title":"Exoplanet atmospheres at high spectral resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08926","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":"sha256:45ac7cf8b10d00bcb3f23892aa15fc0a716ab243f7b09f732dd1bebbf478c7a0","target":"record","created_at":"2026-07-05T11:02:47Z","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":"bf7c0915c091665a83d8d0f2c400fc05bc62ab7e8bd22591dfadeabb12793747","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-05-13T19:50:47Z","title_canon_sha256":"c95a3cc00c3f35c52df7ec0a3535eaff95a16389c7b5ebbe614d3d3fc4df8669"},"schema_version":"1.0","source":{"id":"2505.08926","kind":"arxiv","version":1}},"canonical_sha256":"2bcb2446a922477167f3477264bc589d1a2d74282e9e34751d626d306f909127","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bcb2446a922477167f3477264bc589d1a2d74282e9e34751d626d306f909127","first_computed_at":"2026-07-05T11:02:47.292522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:02:47.292522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f9CPwqJn3sAgSqLHPecXdXsiLJMvdH+CsHHVa9tthYg0OHviavEMVBopxi2gCHneH3JSpPgxtIWmO9Ikz1FeDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:02:47.293085Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.08926","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45ac7cf8b10d00bcb3f23892aa15fc0a716ab243f7b09f732dd1bebbf478c7a0","sha256:413e2ce8a345428f13859c53f36f6ac64444df8be00f0af377cb87bd3e5d6775"],"state_sha256":"0fbea34628d0e33e6ced420df92af3f0868e9fe842598d74a89659254ed5eac5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAUnYux4V5zd55ITkfD/knjtn946EXjvFaDe3WQo9XGXBE5Psh/AECe5S1sQHnRhRjVBe+9ZHVaM0HU2+8HQCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T05:23:09.346388Z","bundle_sha256":"a28f28502b2de82adab04d73b4668ce315ee99c2e06a8e81b6e3d658edd5c5c0"}}