{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FRXSWCN4ZI2O2MDJ5W3PKWINPH","short_pith_number":"pith:FRXSWCN4","canonical_record":{"source":{"id":"1903.01478","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-04T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"3fbcf192db5ee8e86c1dc3118775ac2add4edda554d672732466f38fefd98abe","abstract_canon_sha256":"794accc129deed1e47ee2c4bfeee1064a0bada750ffec9ab2350405f566f45a0"},"schema_version":"1.0"},"canonical_sha256":"2c6f2b09bcca34ed3069edb6f5590d79cd559f896e91c6bd5bc2725e3b70567a","source":{"kind":"arxiv","id":"1903.01478","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.01478","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"arxiv_version","alias_value":"1903.01478v2","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.01478","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"pith_short_12","alias_value":"FRXSWCN4ZI2O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRXSWCN4ZI2O2MDJ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRXSWCN4","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FRXSWCN4ZI2O2MDJ5W3PKWINPH","target":"record","payload":{"canonical_record":{"source":{"id":"1903.01478","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-04T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"3fbcf192db5ee8e86c1dc3118775ac2add4edda554d672732466f38fefd98abe","abstract_canon_sha256":"794accc129deed1e47ee2c4bfeee1064a0bada750ffec9ab2350405f566f45a0"},"schema_version":"1.0"},"canonical_sha256":"2c6f2b09bcca34ed3069edb6f5590d79cd559f896e91c6bd5bc2725e3b70567a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:55.324028Z","signature_b64":"+JXTueYR73Hr7dzhEkyk3y8QuyknmrZ3p6fWmvMbuajlD6Nw7f8RkW0Y7KqNbo2N5o+bKcf3UDp4C2kyj5NWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c6f2b09bcca34ed3069edb6f5590d79cd559f896e91c6bd5bc2725e3b70567a","last_reissued_at":"2026-05-17T23:50:55.323362Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:55.323362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.01478","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AcW35jhkWCRF2DuJVtXV2GXgONjvvvqorH7+dcDJN7lg6aXnzVSn2C5CcRcdOFAd/pKKoG0WbVVGKTlG9t1CDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:27:46.428764Z"},"content_sha256":"de8f782a1376c3e1826e3b8612c04d3a8c977f5be505f9243dbf89fbff01a201","schema_version":"1.0","event_id":"sha256:de8f782a1376c3e1826e3b8612c04d3a8c977f5be505f9243dbf89fbff01a201"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FRXSWCN4ZI2O2MDJ5W3PKWINPH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spitzer Detection of the Transiting Jupiter-analog Exoplanet Kepler-167e","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Patrick Tamburo, Paul A. Dalba","submitted_at":"2019-03-04T19:00:03Z","abstract_excerpt":"We acquired observations of a partial transit of Kepler-167e, a Jupiter-analog exoplanet on a 1,071-day orbit, well beyond its water ice line, with the Spitzer Space Telescope. The timing of the Spitzer transit is consistent with the ephemeris measured from the two transits observed previously by the Kepler Space Telescope. The Spitzer observation rules out the existence of transit timing variations (TTVs) of order hours to days that are known to exist for other long-period exoplanets. Such TTVs render transit follow-up efforts intractable due to the substantial observing time required and the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.01478","kind":"arxiv","version":2},"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":"2026-05-17T23:50:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JcdEJXYkqh7yVWpvj4kHvFtK0OodvHD7khRgMFd4R4fBerXM9lzhXTHtJ9ZyOvQZ1KLG7jrsT+0+2x7I2XteBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:27:46.429134Z"},"content_sha256":"f33262464a8cb68b15aaa0aac70a501f9d3217e6f74f0e68d7f18c8d2b1a2df1","schema_version":"1.0","event_id":"sha256:f33262464a8cb68b15aaa0aac70a501f9d3217e6f74f0e68d7f18c8d2b1a2df1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/bundle.json","state_url":"https://pith.science/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/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":"2026-05-25T07:27:46Z","links":{"resolver":"https://pith.science/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH","bundle":"https://pith.science/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/bundle.json","state":"https://pith.science/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FRXSWCN4ZI2O2MDJ5W3PKWINPH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FRXSWCN4ZI2O2MDJ5W3PKWINPH","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":"794accc129deed1e47ee2c4bfeee1064a0bada750ffec9ab2350405f566f45a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-04T19:00:03Z","title_canon_sha256":"3fbcf192db5ee8e86c1dc3118775ac2add4edda554d672732466f38fefd98abe"},"schema_version":"1.0","source":{"id":"1903.01478","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.01478","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"arxiv_version","alias_value":"1903.01478v2","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.01478","created_at":"2026-05-17T23:50:55Z"},{"alias_kind":"pith_short_12","alias_value":"FRXSWCN4ZI2O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRXSWCN4ZI2O2MDJ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRXSWCN4","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:f33262464a8cb68b15aaa0aac70a501f9d3217e6f74f0e68d7f18c8d2b1a2df1","target":"graph","created_at":"2026-05-17T23:50:55Z","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 acquired observations of a partial transit of Kepler-167e, a Jupiter-analog exoplanet on a 1,071-day orbit, well beyond its water ice line, with the Spitzer Space Telescope. The timing of the Spitzer transit is consistent with the ephemeris measured from the two transits observed previously by the Kepler Space Telescope. The Spitzer observation rules out the existence of transit timing variations (TTVs) of order hours to days that are known to exist for other long-period exoplanets. Such TTVs render transit follow-up efforts intractable due to the substantial observing time required and the","authors_text":"Patrick Tamburo, Paul A. Dalba","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-04T19:00:03Z","title":"Spitzer Detection of the Transiting Jupiter-analog Exoplanet Kepler-167e"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.01478","kind":"arxiv","version":2},"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:de8f782a1376c3e1826e3b8612c04d3a8c977f5be505f9243dbf89fbff01a201","target":"record","created_at":"2026-05-17T23:50:55Z","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":"794accc129deed1e47ee2c4bfeee1064a0bada750ffec9ab2350405f566f45a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-04T19:00:03Z","title_canon_sha256":"3fbcf192db5ee8e86c1dc3118775ac2add4edda554d672732466f38fefd98abe"},"schema_version":"1.0","source":{"id":"1903.01478","kind":"arxiv","version":2}},"canonical_sha256":"2c6f2b09bcca34ed3069edb6f5590d79cd559f896e91c6bd5bc2725e3b70567a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c6f2b09bcca34ed3069edb6f5590d79cd559f896e91c6bd5bc2725e3b70567a","first_computed_at":"2026-05-17T23:50:55.323362Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:55.323362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+JXTueYR73Hr7dzhEkyk3y8QuyknmrZ3p6fWmvMbuajlD6Nw7f8RkW0Y7KqNbo2N5o+bKcf3UDp4C2kyj5NWAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:55.324028Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.01478","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de8f782a1376c3e1826e3b8612c04d3a8c977f5be505f9243dbf89fbff01a201","sha256:f33262464a8cb68b15aaa0aac70a501f9d3217e6f74f0e68d7f18c8d2b1a2df1"],"state_sha256":"57e602a96582d0891c31aec041d9d82b0b21e3ecf80830f0775de29658e66114"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ezgKj9EPmr7c/18259xoWcbfWMgdBWGtGgPL9cUzLdkIQi7y4gbwLFRe8CPKg9k/Atn88ce3PLu9Q3WYOiIwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T07:27:46.431806Z","bundle_sha256":"b2783583ceb0806c4a4d1a1979617b4bf76d69702485f037e9f193b492c9ed24"}}