{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DC5GMWTJKRD764M3CV5CRDX5CD","short_pith_number":"pith:DC5GMWTJ","canonical_record":{"source":{"id":"2504.15757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-22T10:10:02Z","cross_cats_sorted":[],"title_canon_sha256":"3146379abe9862d99b7f4022adfc8e523f48251a6223ef3295e63022e32f51e6","abstract_canon_sha256":"bb1686cc3c0d30a31092c218513b0549fb7fea017f5ba3b0aba00b840afac991"},"schema_version":"1.0"},"canonical_sha256":"18ba665a695447ff719b157a288efd10fe5055728e92a9c2bbf3a66941174e21","source":{"kind":"arxiv","id":"2504.15757","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.15757","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"2504.15757v1","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.15757","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"DC5GMWTJKRD7","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"DC5GMWTJKRD764M3","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"DC5GMWTJ","created_at":"2026-07-05T11:19:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DC5GMWTJKRD764M3CV5CRDX5CD","target":"record","payload":{"canonical_record":{"source":{"id":"2504.15757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-22T10:10:02Z","cross_cats_sorted":[],"title_canon_sha256":"3146379abe9862d99b7f4022adfc8e523f48251a6223ef3295e63022e32f51e6","abstract_canon_sha256":"bb1686cc3c0d30a31092c218513b0549fb7fea017f5ba3b0aba00b840afac991"},"schema_version":"1.0"},"canonical_sha256":"18ba665a695447ff719b157a288efd10fe5055728e92a9c2bbf3a66941174e21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:06.390669Z","signature_b64":"ibtZz5m2CBBZXbexjSQuAuSVsPMKjtSYDt8zVuyxkTGmvQtoGNjwaSy7j2H9SHbPZZdZSHIy2yh7RJEvdqDnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18ba665a695447ff719b157a288efd10fe5055728e92a9c2bbf3a66941174e21","last_reissued_at":"2026-07-05T11:19:06.390156Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:06.390156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.15757","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":"2026-07-05T11:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qGIvFAepCMs2DiGWJRNQUhtVRDhwsEHFnPHby2LMXysjsQLnYYvtRPO9Ic88S8eq2RZ7+2Dd+h8ZkY9/dzSpAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T21:27:40.447206Z"},"content_sha256":"1e9111b90c804bcc362cb68d74dbe7484f9529eed22dc4bf0a4498a7c59b5160","schema_version":"1.0","event_id":"sha256:1e9111b90c804bcc362cb68d74dbe7484f9529eed22dc4bf0a4498a7c59b5160"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DC5GMWTJKRD764M3CV5CRDX5CD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b. Detection of Fe and CO emission lines and evidence for inefficient heat transport","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. D. Rains, A. Hahlin, A. Hatzes, A. Lavail, A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, A. Schweitzer, C. Ak{\\i}n, D. Cont, D. Montes, D. Shulyak, E. Nagel, E. Pall\\'e, F. Lesjak, F. Yan, G. Morello, I. Ribas, J. A. Caballero, J. F. Ag\\\"u\\'i Fern\\'andez, J. Orell-Miquel, K. Heng, K. Molaverdikhani, L. Boldt-Christmas, L. Nortmann, M. Rengel, M. Stangret, N. Piskunov, O. Kochukhov, P. Chaturvedi, P. J. Amado, S. Czesla, Th. Henning, T. Marquart, U. Seemann","submitted_at":"2025-04-22T10:10:02Z","abstract_excerpt":"The ultra-hot Jupiter (UHJ) TOI-2109b marks the lower edge of the equilibrium temperature gap between 3500 K and 4500 K, an unexplored thermal regime that separates KELT-9b, the hottest planet yet discovered, from all other currently known gas giants. To study the structure of TOI-2109b's atmosphere, we obtained high-resolution emission spectra of both the planetary day- and nightsides with CARMENES and CRIRES$^+$. By applying the cross-correlation technique, we identified the emission signatures of Fe I and CO, as well as a thermal inversion layer in the dayside atmosphere; no significant H$_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.15757","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/2504.15757/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":"2026-07-05T11:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MdGY6DU+JDbhE9qy1CQeKGy7Q0qvyQJVluvb143NC9Zjhnb/TpsacsoFzIkf4Q8KpjY3zYV+uH9XAEv+9h3ZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T21:27:40.447806Z"},"content_sha256":"8d2dec4ddb18a559a8faeb400b24ab6cd0ea91249c3171eb7b3aabdc079bf215","schema_version":"1.0","event_id":"sha256:8d2dec4ddb18a559a8faeb400b24ab6cd0ea91249c3171eb7b3aabdc079bf215"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DC5GMWTJKRD764M3CV5CRDX5CD/bundle.json","state_url":"https://pith.science/pith/DC5GMWTJKRD764M3CV5CRDX5CD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DC5GMWTJKRD764M3CV5CRDX5CD/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":"2026-08-20T21:27:40Z","links":{"resolver":"https://pith.science/pith/DC5GMWTJKRD764M3CV5CRDX5CD","bundle":"https://pith.science/pith/DC5GMWTJKRD764M3CV5CRDX5CD/bundle.json","state":"https://pith.science/pith/DC5GMWTJKRD764M3CV5CRDX5CD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DC5GMWTJKRD764M3CV5CRDX5CD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DC5GMWTJKRD764M3CV5CRDX5CD","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":"bb1686cc3c0d30a31092c218513b0549fb7fea017f5ba3b0aba00b840afac991","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-22T10:10:02Z","title_canon_sha256":"3146379abe9862d99b7f4022adfc8e523f48251a6223ef3295e63022e32f51e6"},"schema_version":"1.0","source":{"id":"2504.15757","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.15757","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"2504.15757v1","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.15757","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"DC5GMWTJKRD7","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"DC5GMWTJKRD764M3","created_at":"2026-07-05T11:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"DC5GMWTJ","created_at":"2026-07-05T11:19:06Z"}],"graph_snapshots":[{"event_id":"sha256:8d2dec4ddb18a559a8faeb400b24ab6cd0ea91249c3171eb7b3aabdc079bf215","target":"graph","created_at":"2026-07-05T11:19:06Z","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/2504.15757/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ultra-hot Jupiter (UHJ) TOI-2109b marks the lower edge of the equilibrium temperature gap between 3500 K and 4500 K, an unexplored thermal regime that separates KELT-9b, the hottest planet yet discovered, from all other currently known gas giants. To study the structure of TOI-2109b's atmosphere, we obtained high-resolution emission spectra of both the planetary day- and nightsides with CARMENES and CRIRES$^+$. By applying the cross-correlation technique, we identified the emission signatures of Fe I and CO, as well as a thermal inversion layer in the dayside atmosphere; no significant H$_","authors_text":"A. D. Rains, A. Hahlin, A. Hatzes, A. Lavail, A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, A. Schweitzer, C. Ak{\\i}n, D. Cont, D. Montes, D. Shulyak, E. Nagel, E. Pall\\'e, F. Lesjak, F. Yan, G. Morello, I. Ribas, J. A. Caballero, J. F. Ag\\\"u\\'i Fern\\'andez, J. Orell-Miquel, K. Heng, K. Molaverdikhani, L. Boldt-Christmas, L. Nortmann, M. Rengel, M. Stangret, N. Piskunov, O. Kochukhov, P. Chaturvedi, P. J. Amado, S. Czesla, Th. Henning, T. Marquart, U. Seemann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-22T10:10:02Z","title":"Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b. Detection of Fe and CO emission lines and evidence for inefficient heat transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.15757","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":"sha256:1e9111b90c804bcc362cb68d74dbe7484f9529eed22dc4bf0a4498a7c59b5160","target":"record","created_at":"2026-07-05T11:19:06Z","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":"bb1686cc3c0d30a31092c218513b0549fb7fea017f5ba3b0aba00b840afac991","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-22T10:10:02Z","title_canon_sha256":"3146379abe9862d99b7f4022adfc8e523f48251a6223ef3295e63022e32f51e6"},"schema_version":"1.0","source":{"id":"2504.15757","kind":"arxiv","version":1}},"canonical_sha256":"18ba665a695447ff719b157a288efd10fe5055728e92a9c2bbf3a66941174e21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18ba665a695447ff719b157a288efd10fe5055728e92a9c2bbf3a66941174e21","first_computed_at":"2026-07-05T11:19:06.390156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:19:06.390156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ibtZz5m2CBBZXbexjSQuAuSVsPMKjtSYDt8zVuyxkTGmvQtoGNjwaSy7j2H9SHbPZZdZSHIy2yh7RJEvdqDnBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:19:06.390669Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.15757","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e9111b90c804bcc362cb68d74dbe7484f9529eed22dc4bf0a4498a7c59b5160","sha256:8d2dec4ddb18a559a8faeb400b24ab6cd0ea91249c3171eb7b3aabdc079bf215"],"state_sha256":"f16a94fc081da17601822a069838810beb60ad324db284c6ec9122c046b43400"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"34GAxQYQI77RRRZLun5dBtHnZ4p+hEZ1ce+nrHvHTZWMVpPJsly8pSwlA5hQLEuKbROTdQ0IFC8tFWKjdNuuCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T21:27:40.454515Z","bundle_sha256":"cef6c2ba25d8231ad1742a332aaec7abb1f9dd73c701231c02517f7af7c58cd7"}}